- Catalogs
- Chiaravalli Group SpA
- Standard open transmissions components
Standard open transmissions components
1 / 476 PagesView full catalog
Standard open transmissions components
Product catalog summary
Overview: The document is a technical catalogue from CHIARAVALLI GROUP SpA, detailing their capabilities in producing mechanical components such as sprockets, wheels, and chains. The company emphasizes its ability to manufacture custom pieces based on customer drawings, using modern machine tools to ensure quality and precision.
Quality Assurance: CHIARAVALLI GROUP SpA adheres to the UNI EN ISO 9001 - 2008 standards, ensuring a robust quality management system that guarantees the quality of their manufactured products.
Product Range: The catalogue includes a wide range of products such as sprockets, idler sprockets, platewheels, timing pulleys, flexible couplings, torque limiters, collars, washers, pillow blocks, motor mountings, timing bars, flanges, clamping elements, chains, and gears. Each product is designed to meet international standards like UNI, ISO, DIN, and ANSI.
Sprockets: The document provides detailed specifications for various types of sprockets, including ISO chain sprockets, ASA chain sprockets, stainless steel chain sprockets, and more. The sprockets are designed for flexible mechanical transmissions and are manufactured with precision using CNC machines to ensure minimal machining errors and high surface finish quality.
Technical Specifications: The catalogue includes detailed technical specifications for sprockets, such as tooth radius, sprocket tooth width, chain pitch, inner width, and roller diameter. It also provides part numbers, dimensions, and weights for different sprocket models.
Customization and Innovation: CHIARAVALLI GROUP SpA offers customization options for sprockets and wheels, allowing for specific executions based on customer requirements. The company has developed optimized profiles for sprockets that enhance chain wrap-around and motion continuity, even in challenging transmission scenarios.
Additional Features: The catalogue highlights the availability of CAD drawings on the company's website, facilitating easier integration and design processes for customers. It also mentions the use of the "Taperlock" system for easy assembly and precise centering in certain applications.
Overview: This document provides technical specifications for platewheels and roller chains, compliant with DIN 8187 and ISO/R 606 standards. It includes detailed measurements and material information for simplex, duplex, and triplex configurations.
Specifications:
- Platewheel Dimensions: Tooth radius, radius width, and various plate tooth widths are specified for different configurations.
- Chain Dimensions: Includes pitch, inner width, and roller diameter.
- Material: FE / C45 is used, with options for specific needs.
Data Tables: The document contains extensive tables listing dimensions and weights for various platewheel sizes, identified by product numbers. Key data includes:
- Tooth count (Z)
- Diameter measurements (D1, de, dp)
- Weight in kilograms
Additional Information:
- CAD drawings are available on the Chiaravalli website.
- Availability and pricing details can be accessed through the B2B Chiaravalli platform.
Material Specifications
- Material: PE-UHMW High molecular weight polyethylene (p.m. over 1,000,000)
- Color: Green
- Specific Gravity: 0.945 g/cm3
- Dynamic Friction Coefficient: 0.2 (P = 0.05 N/mm2 - V = 0.6 m/s - T = 40°C)
- Temperature Range: -70°C to 65°C
- Linear Thermal Expansion: 2 mm every 10°C from 20°C
- Standard Lengths: 2 meters (longer lengths available on request)
- Made in Italy
- Material: PE-UHMW High molecular weight polyethylene (p.m. over 1,000,000)
- Color: Green
- Specific Gravity: 0.945 g/cm3
- Dynamic Friction Coefficient: 0.2 (P = 0.05 N/mm2 - V = 0.6 m/s - T = 40°C)
- Temperature Range: -70°C to 65°C
- Linear Thermal Expansion: 2 mm every 10°C from 20°C
- Standard Lengths: 2 meters (longer lengths available on request)
- Made in Italy
Product Descriptions
- The document provides detailed specifications for various polyethylene guides used for chains, flat belts, toothed belts, and trapezoidal belts.
- Each product is listed with dimensions, weight, and compatibility with specific chain or belt types according to ISO and DIN standards.
- Metallic profiles are not included with the polyethylene guides.
- The document provides detailed specifications for various polyethylene guides used for chains, flat belts, toothed belts, and trapezoidal belts.
- Each product is listed with dimensions, weight, and compatibility with specific chain or belt types according to ISO and DIN standards.
- Metallic profiles are not included with the polyethylene guides.
Measurement Conditions
- All values are measured under standard weather conditions: 23°C/73°F with 50% relative humidity (DIN 50005/ISO 554).
- All values are measured under standard weather conditions: 23°C/73°F with 50% relative humidity (DIN 50005/ISO 554).
Spur Gears and Racks
- The document describes the use of straight spur gears and racks for mechanical transmission.
- These components are made from standardised C40 steel and comply with DIN 3972 II standards.
- The gears feature a full head radius for increased bending resistance and a marked "K" profile for reduced noise.
- Manufacturing involves CNC gear hobbing machines for precision and surface finish, adhering to DIN 3962 standards.
- Tolerances for tooth thickness and center distance are specified according to DIN 3967 and DIN 3964 standards, respectively.
- The document describes the use of straight spur gears and racks for mechanical transmission.
- These components are made from standardised C40 steel and comply with DIN 3972 II standards.
- The gears feature a full head radius for increased bending resistance and a marked "K" profile for reduced noise.
- Manufacturing involves CNC gear hobbing machines for precision and surface finish, adhering to DIN 3962 standards.
- Tolerances for tooth thickness and center distance are specified according to DIN 3967 and DIN 3964 standards, respectively.
Overview: The document provides detailed specifications and options for manufacturing straight spur gears and racks. It highlights the company's capability to customize gear dimensions and tolerances to meet specific customer needs, using modern machinery for competitive pricing.
Specifications: The gears are made from material C 45 UNI 7845 with a pressure angle of 20°. The document lists various modules (1, 1.5, 2, 2.5, 3, 4, 5, 6, 8) with corresponding dimensions and weights for each gear type. The gears can be manufactured with or without a lateral hub.
Customization and Technical Support: The company offers customization of gear coupling gaps and lengthwise crowning of teeth for better alignment. The technical department is available for consultation on assembly tolerances and preliminary examination of processing issues.
Availability and Pricing: CAD drawings are available on the company's website, and quantity, availability, and prices can be accessed through their B2B platform.
Key Data from Tables: The tables provide detailed measurements for each gear module, including part number, external diameter (de), pitch diameter (dp), module diameter (dm), hub diameter (ØD1), and weight (Kg). These specifications are crucial for selecting the appropriate gear for specific applications.
Overview of Synchronous Drives:
Synchronous drives offer several advantages, including the transmission of absolute asynchronous motion without slipping, regular and constant motion due to the absence of polygonal winding, and a non-extendable belt that minimizes stretching and lost motion. They require moderate assembly pre-tension and exert minimal radial load on shafts and bearings. These drives are capable of transmitting high power and torque at low speeds, operate silently, and require limited maintenance.
Quality and Standards:
The quality of synchronous transmission is equally dependent on the characteristics of both the belt and the pulley. Both components must adhere to stringent design and construction criteria. Chiaravalli Group SpA collaborates with leading belt manufacturers and produces toothed pulleys that comply with current standards, incorporating adjustments to enhance compatibility with belts.
Product Specifications:
The document provides detailed specifications for various types of timing pulleys with pilot bores, including types MXL 025, XL 037, L 050, L 075, L 100, and H 075. Each type is specified with parameters such as pitch, material (aluminum, steel, cast-iron), number of teeth, dimensions (Dp, De, Df, Dm, F, L, d), execution type, and weight. CAD drawings are available on the company's website.
Material and Execution:
The pulleys are made from materials like aluminum, steel (C 45), and cast-iron, with different execution types (e.g., 0F, 1F, 2, 3, 4) to accommodate various applications. The document notes that different pitches of teeth are available upon request.
Additional Information:
Images in the document do not identify the products. Quantity, availability, and pricing information can be accessed through Chiaravalli's B2B platform.
Synchronous drives offer several advantages, including the transmission of absolute asynchronous motion without slipping, regular and constant motion due to the absence of polygonal winding, and a non-extendable belt that minimizes stretching and lost motion. They require moderate assembly pre-tension and exert minimal radial load on shafts and bearings. These drives are capable of transmitting high power and torque at low speeds, operate silently, and require limited maintenance.
Quality and Standards:
The quality of synchronous transmission is equally dependent on the characteristics of both the belt and the pulley. Both components must adhere to stringent design and construction criteria. Chiaravalli Group SpA collaborates with leading belt manufacturers and produces toothed pulleys that comply with current standards, incorporating adjustments to enhance compatibility with belts.
Product Specifications:
The document provides detailed specifications for various types of timing pulleys with pilot bores, including types MXL 025, XL 037, L 050, L 075, L 100, and H 075. Each type is specified with parameters such as pitch, material (aluminum, steel, cast-iron), number of teeth, dimensions (Dp, De, Df, Dm, F, L, d), execution type, and weight. CAD drawings are available on the company's website.
Material and Execution:
The pulleys are made from materials like aluminum, steel (C 45), and cast-iron, with different execution types (e.g., 0F, 1F, 2, 3, 4) to accommodate various applications. The document notes that different pitches of teeth are available upon request.
Additional Information:
Images in the document do not identify the products. Quantity, availability, and pricing information can be accessed through Chiaravalli's B2B platform.
Overview: This document provides detailed specifications and information on various types of timing pulleys, specifically focusing on those with pilot bores and Taper Lock® executions. The document includes technical data, material specifications, and availability details for different pulley types.
Material Specifications: The timing pulleys are primarily made from Steel C 45 (UNI 7845) and Cast-Iron G 20 (UNI 5007). These materials are chosen for their durability and suitability for use with positive belts.
Types of Timing Pulleys:
- XXH Series: Available in types XXH 200, XXH 300, XXH 400, and XXH 500, with a pitch of 1” 1/4 (31.75 mm). These are designed for positive belts and come with different numbers of teeth and dimensions.
- Taper Lock® Timing Pulleys: These are phosphated and available in types L 050, L 075, L 100, H 100, and H 150, with pitches ranging from 3/8” (9.52 mm) to 1/2” (12.7 mm). They are designed for positive belts and come in various executions and sizes.
Technical Data: Each pulley type is accompanied by a table detailing the part number, execution, bush size, bore diameter, and other critical dimensions such as Dp (pitch diameter), De (external diameter), Df (flange diameter), Dm (hub diameter), and weight. The tables also specify the maximum bore size and other relevant parameters.
Customization: The document notes that different pitches of teeth are available upon request, allowing for customization based on specific requirements.
Additional Resources: CAD drawings for the timing pulleys are available on the Chiaravalli website, and further details on quantity, availability, and pricing can be accessed through their B2B platform.
Overview: The document provides detailed specifications for various types of timing pulleys available from Chiaravalli. It includes information on the dimensions, materials, and weights of different pulley models, as well as their availability and pricing on the B2B Chiaravalli platform.
Specifications: The document lists multiple timing pulley models, each identified by a type and part number. Key specifications include the number of teeth, execution type, bush size, bore diameter, and various other dimensions such as Dp, De, Df, Dm, and Di. The weight of each pulley is also provided.
Materials: The pulleys are made from either steel or cast iron, with some models specifically noted as being phosphated for additional protection.
Execution Types: The document categorizes pulleys by execution types, such as 3F, 10F, 11, 12, and 13, which likely refer to specific design or functional characteristics.
Availability and Pricing: The document mentions that quantity, availability, and prices are accessible on the B2B Chiaravalli platform, indicating that these details are subject to change and should be verified online.
Additional Resources: CAD drawings for the pulleys are available on the Chiaravalli website, providing further technical details for design and engineering purposes.
Overview: This document provides detailed specifications for V-belt pulleys designed for taper bushes. The pulleys are categorized by type and model, with each entry detailing specific dimensions, weight, and material composition. The document also notes the availability of CAD drawings and emphasizes the company's right to modify specifications without notice.
Material: All pulleys are made from cast iron, ensuring durability and strength for industrial applications.
Specifications: Each pulley is listed with a product code, model, number of grooves, type of bush, maximum bore size, and various dimensional parameters (E, F, J, K, L, M, N). The weight of each pulley is also provided, indicating the robustness of the product.
Types and Models: The document categorizes pulleys into different types (e.g., SPB/01, SPB/02, etc.), each with specific design features and dimensions. The types are further divided into models, each tailored for specific applications and bush types.
Key Features: - The pulleys are designed for use with taper bushes, which allow for easy installation and removal. - The document highlights the availability of CAD drawings for precise planning and integration into systems. - The company reserves the right to alter designs, ensuring continuous improvement and adaptation to market needs.
Usage Recommendations: The document suggests consulting the company's B2B platform for quantity, availability, and pricing information, indicating a focus on business-to-business transactions.
Overview: The document provides detailed specifications for various types of V-belt pulleys designed for taper bushes, manufactured by Chiaravalli. These components are primarily made from cast iron and are available in different models and configurations to suit various industrial applications.
Specifications: The document lists multiple product codes, each associated with a specific model of V-belt pulley. Key specifications include the number of grooves, maximum bore size, dimensions (E, F, J, K, L, M, N), and weight in kilograms. The pulleys are categorized by type, such as SPC/02, SPC/03, etc., indicating different configurations and sizes.
Materials and Availability: All pulleys are made from cast iron, ensuring durability and strength. CAD drawings for these products are available on the Chiaravalli website, facilitating integration into design and engineering processes. The document notes that quantities, availability, and pricing can be accessed through the B2B Chiaravalli platform.
Product Variants: The document details various types of pulleys, including those with different numbers of grooves (ranging from 1 to 10) and varying dimensions to accommodate different taper bushes. Each type is designed to meet specific industrial needs, with variations in weight and size to suit different applications.
Design and Modifications: While the document provides precise dimensions and specifications, it also states that the company reserves the right to make changes and modifications without prior notice. This flexibility allows for adjustments based on evolving industry standards or customer requirements.
Conclusion: Chiaravalli offers a comprehensive range of V-belt pulleys for taper bushes, with detailed specifications provided for each model. The use of cast iron and the availability of CAD drawings support their application in various industrial settings. Customers are encouraged to check the B2B platform for the latest information on product availability and pricing.
Overview: This document provides technical specifications and guidelines for PPV-J and PPV-L type grooved pulleys, including dimensions, materials, balancing, and designations. It also covers V-belt pulleys and timing bars.
Specifications:
- Profile Dimensions: The transverse profile dimensions for PPV-J and PPV-L types are detailed, with specific measurements for groove pitch, tolerances, and race angles.
- Materials: Pulleys are manufactured from C45 steel, compliant with UNI 7845 standards.
- Balancing: Pulleys are statically balanced to grade G.6.3 according to UNI 4218 and ISO 1940 standards. Dynamic balancing is available for speeds over 30 m/s.
Procedures:
- Design Power Calculation: The document outlines how to calculate the design power output using the nominal power and service factor based on motor type and operating hours.
- Designation: The designation of a pulley includes the type, standard reference, number of grooves, and actual diameter in millimeters.
Standards and Norms:
- Surface Roughness: The grooves' surface roughness must comply with ISO 254, with a roughness of Ra 3.2.
Recommendations:
- Dynamic Balancing: Recommended for speeds exceeding 30 m/s to ensure optimal performance.
Data Summary:
- Tables: Detailed tables provide dimensions, tolerances, and weights for various pulley sizes and types, including PPV-J and PPV-L.
- Timing Bars: Information on timing bars for different belt types, including material specifications and dimensions.
Overview: The document provides detailed specifications and descriptions of various taper bushes and clamping elements offered by the Chiaravalli Group under the RCB® brand. It includes technical data, material specifications, and application guidelines for these mechanical components.
Specifications: The document lists multiple series of taper bushes, each with specific dimensions, part numbers, and material details. The bushes are made from grey cast iron, conforming to the UNI EN 1561 standard. Keyway dimensions comply with DIN 6885-JS9, and the bushes are available in various executions with or without prebore keyways.
Procedures: The document outlines the availability of CAD drawings on the Chiaravalli website and provides information on purchasing through their B2B platform. It also details the tightening torque specifications for grub screws used with the bushes.
Standards and Norms: The bushes adhere to ISO G7 for reamings and DIN 6885-JS9 for keyways. The material used is grey cast iron, following the UNI EN 1561 norm.
Recommendations: The document suggests checking the minimum hub diameter (Dm) to ensure it can withstand the pressures exerted by the clamping elements. It provides formulas for calculating Dm based on specific pressure and yield point values.
Clamping Elements: Various RCK series clamping elements are described, each suitable for different applications based on torque requirements and assembly conditions. The document highlights the self-centering and non-self-centering types, detailing their specific uses and advantages.
Key Data from Tables: The tables provide part numbers, dimensions, and weights for each bush and clamping element. They also specify the tightening torque for grub screws and the execution type (A or B) for each bush.
Critical Information: The document emphasizes the importance of selecting the correct bush and clamping element based on the application's torque and dimensional requirements. It also highlights the availability of technical support and resources through the Chiaravalli website.
Introduction
The document provides technical specifications and part numbers for the Chiaravalli Group's GIFLEX® Series GE-T couplings. These couplings are designed for various industrial applications, offering flexibility and precision in mechanical connections.
Specifications
The GE-T couplings are available in different configurations, including hub I and hub E, with options for internal and external assembled bushes. The couplings are made from cast-iron GG25 and are available in various sizes and bore dimensions. The document lists part numbers for complete couplings and individual components, highlighting the availability of CAD drawings on the Chiaravalli website.
Materials and Colors
The couplings are available in different materials and colors, including black, red, and yellow elastomers, with operating temperature ranges specified for each type. The elastomeric elements are designed to provide backlash-free execution, ensuring efficient torque transmission.
Technical Data
The document includes detailed technical data for each coupling type, such as maximum torque, stiffness, weight, and inertia. It also provides information on the operating temperatures and the need for dynamic balancing at high radial speeds.
Applications
Examples of applications are provided, demonstrating the use of GE-T couplings with standard motors at various power outputs and speeds. The document emphasizes the importance of selecting the appropriate coupling type based on the specific requirements of the application.
Hub Executions
The document describes different hub executions (A, B, C, D) with variations in dimensions and cuts, tailored for specific applications. Each execution type is associated with specific part numbers and material options.
Ordering Information
The couplings can be ordered as complete units or as individual components (hub 1, elastomer spider, hub 2). The document provides part numbers for each configuration, facilitating easy ordering through the Chiaravalli B2B platform.
Conclusion
The Chiaravalli Group's GIFLEX® Series GE-T couplings offer a versatile and reliable solution for industrial applications, with a range of configurations and materials to suit different operational needs.
The document provides technical specifications and part numbers for the Chiaravalli Group's GIFLEX® Series GE-T couplings. These couplings are designed for various industrial applications, offering flexibility and precision in mechanical connections.
Specifications
The GE-T couplings are available in different configurations, including hub I and hub E, with options for internal and external assembled bushes. The couplings are made from cast-iron GG25 and are available in various sizes and bore dimensions. The document lists part numbers for complete couplings and individual components, highlighting the availability of CAD drawings on the Chiaravalli website.
Materials and Colors
The couplings are available in different materials and colors, including black, red, and yellow elastomers, with operating temperature ranges specified for each type. The elastomeric elements are designed to provide backlash-free execution, ensuring efficient torque transmission.
Technical Data
The document includes detailed technical data for each coupling type, such as maximum torque, stiffness, weight, and inertia. It also provides information on the operating temperatures and the need for dynamic balancing at high radial speeds.
Applications
Examples of applications are provided, demonstrating the use of GE-T couplings with standard motors at various power outputs and speeds. The document emphasizes the importance of selecting the appropriate coupling type based on the specific requirements of the application.
Hub Executions
The document describes different hub executions (A, B, C, D) with variations in dimensions and cuts, tailored for specific applications. Each execution type is associated with specific part numbers and material options.
Ordering Information
The couplings can be ordered as complete units or as individual components (hub 1, elastomer spider, hub 2). The document provides part numbers for each configuration, facilitating easy ordering through the Chiaravalli B2B platform.
Conclusion
The Chiaravalli Group's GIFLEX® Series GE-T couplings offer a versatile and reliable solution for industrial applications, with a range of configurations and materials to suit different operational needs.
Introduction
The document provides technical specifications and guidelines for the GIFLEX® range of flexible toothed couplings, designed for industrial applications. These couplings are used for power transmissions, allowing for the flexible connection of rotating parts while compensating for radial and angular misalignments.
Specifications
The GIFLEX® couplings consist of two symmetrical steel hubs and a synthetic resin sleeve. The hubs are made from low carbon steel with anti-corrosion treatment, featuring a toothed ring. The sleeve is made from a high molecular weight polymer, self-lubricating, and resistant to temperatures between -20° and +120° C. The couplings are designed to handle dynamic misalignments under load conditions.
Performance Characteristics
The couplings offer reduced dimensions, weight, and inertia moment, constant velocity behavior, silent operation, and the ability to absorb impacts and vibrations. They are resistant to common chemicals and moderate heat, self-lubricating, maintenance-free, and cost-effective.
Construction and Design
The couplings feature a dual curvature tooth design for optimal performance, reducing surface pressure and increasing load transmission capacity. The polymer sleeve is insensitive to humidity and can withstand aggressive environments.
Assembly Guidelines
Instructions are provided for positioning and clamping the semi-couplings on shafts, ensuring the sleeve is free to move axially before rotation.
Technical Data
Detailed tables provide data on power, torque, and misalignment capabilities for various coupling types, including GF and GFA series. The document specifies the maximum torque, rotating speed, and permissible misalignments.
Selection and Sizing Criteria
The document emphasizes the importance of correct coupling selection based on operating conditions. It provides guidelines for torque, speed, and misalignment limits, ensuring a service factor of 1 for safety.
Conclusion
The GIFLEX® couplings are designed for reliability and performance in demanding industrial environments. The document provides comprehensive technical data and guidelines to assist in the selection and maintenance of these couplings.
The document provides technical specifications and guidelines for the GIFLEX® range of flexible toothed couplings, designed for industrial applications. These couplings are used for power transmissions, allowing for the flexible connection of rotating parts while compensating for radial and angular misalignments.
Specifications
The GIFLEX® couplings consist of two symmetrical steel hubs and a synthetic resin sleeve. The hubs are made from low carbon steel with anti-corrosion treatment, featuring a toothed ring. The sleeve is made from a high molecular weight polymer, self-lubricating, and resistant to temperatures between -20° and +120° C. The couplings are designed to handle dynamic misalignments under load conditions.
Performance Characteristics
The couplings offer reduced dimensions, weight, and inertia moment, constant velocity behavior, silent operation, and the ability to absorb impacts and vibrations. They are resistant to common chemicals and moderate heat, self-lubricating, maintenance-free, and cost-effective.
Construction and Design
The couplings feature a dual curvature tooth design for optimal performance, reducing surface pressure and increasing load transmission capacity. The polymer sleeve is insensitive to humidity and can withstand aggressive environments.
Assembly Guidelines
Instructions are provided for positioning and clamping the semi-couplings on shafts, ensuring the sleeve is free to move axially before rotation.
Technical Data
Detailed tables provide data on power, torque, and misalignment capabilities for various coupling types, including GF and GFA series. The document specifies the maximum torque, rotating speed, and permissible misalignments.
Selection and Sizing Criteria
The document emphasizes the importance of correct coupling selection based on operating conditions. It provides guidelines for torque, speed, and misalignment limits, ensuring a service factor of 1 for safety.
Conclusion
The GIFLEX® couplings are designed for reliability and performance in demanding industrial environments. The document provides comprehensive technical data and guidelines to assist in the selection and maintenance of these couplings.
Specifications:
The document provides detailed specifications for the GIFLEX® GFA series of flexible couplings, including various sizes (GFA 25 to GFA 155) with corresponding torque, speed, and working life data. These specifications are based on a Service Factor (SF) of 1, which must be adjusted according to load conditions.
Load Conditions and Service Factors:
Service factors vary depending on the type of load (uniform, light, medium, heavy) and the type of drive (electric motor or diesel engine). The document provides a table for determining the appropriate service factor.
Operating Conditions:
Instructions are given for calculating operating torque (Me) and nominal torque (Mn) using formulas provided. The selection of couplings should be based on these calculations, ensuring the nominal torque is greater than the calculated value.
Assembly Instructions:
Detailed steps for assembling the GFA couplings are provided, including the insertion of stop and seal rings, alignment of shafts, and lubrication with grease. Maintenance involves regular greasing every 1,000 working hours.
Component Parts:
The document lists the components of the GIFLEX® GFA couplings, including sleeves, hubs, seal rings, and flexible rings, with specifications for each part.
Selection and Sizing Criteria:
Guidelines for selecting the appropriate coupling size based on power, shaft diameter, rotating speed, and required working life are provided. The document emphasizes the importance of considering angular misalignments and operating conditions.
Structural Characteristics:
The GFAS range features a compact design with toothed hubs and a single-piece sleeve, suitable for aggressive environments. The couplings are made from hardened and tempered carbon steel, ensuring high resistance to wear and corrosion.
Recommendations:
For extreme operating conditions, contact the CHIARAVALLI GROUP Technical Department. The document also notes that technical characteristics and dimensions are subject to change without notice.
The document provides detailed specifications for the GIFLEX® GFA series of flexible couplings, including various sizes (GFA 25 to GFA 155) with corresponding torque, speed, and working life data. These specifications are based on a Service Factor (SF) of 1, which must be adjusted according to load conditions.
Load Conditions and Service Factors:
Service factors vary depending on the type of load (uniform, light, medium, heavy) and the type of drive (electric motor or diesel engine). The document provides a table for determining the appropriate service factor.
Operating Conditions:
Instructions are given for calculating operating torque (Me) and nominal torque (Mn) using formulas provided. The selection of couplings should be based on these calculations, ensuring the nominal torque is greater than the calculated value.
Assembly Instructions:
Detailed steps for assembling the GFA couplings are provided, including the insertion of stop and seal rings, alignment of shafts, and lubrication with grease. Maintenance involves regular greasing every 1,000 working hours.
Component Parts:
The document lists the components of the GIFLEX® GFA couplings, including sleeves, hubs, seal rings, and flexible rings, with specifications for each part.
Selection and Sizing Criteria:
Guidelines for selecting the appropriate coupling size based on power, shaft diameter, rotating speed, and required working life are provided. The document emphasizes the importance of considering angular misalignments and operating conditions.
Structural Characteristics:
The GFAS range features a compact design with toothed hubs and a single-piece sleeve, suitable for aggressive environments. The couplings are made from hardened and tempered carbon steel, ensuring high resistance to wear and corrosion.
Recommendations:
For extreme operating conditions, contact the CHIARAVALLI GROUP Technical Department. The document also notes that technical characteristics and dimensions are subject to change without notice.
Specifications:
The document outlines the specifications for GFAS and FBX series couplings by CHIARAVALLI GROUP SpA. It includes details on torque, power transmission, and maximum operating speeds. The GFAS series is designed for specific misalignment tolerances and requires dynamic balancing for speeds exceeding 3,600 r.p.m. The FBX series features flexible toothed couplings with nylon sleeves, suitable for various torque and speed requirements.
Procedures:
Assembly instructions for GFAS couplings involve fitting seal and stop rings, aligning shafts, and using appropriate lubricants. Disassembly requires separating the shafts and extracting the hub. For FBX couplings, the document provides part numbers and assembly instructions, emphasizing the use of nylon sleeves and proper alignment.
Standards and Recommendations:
The document recommends using specific lubricants, such as Lithium soap grease for moderate loads and Barium complex soap grease for heavy-duty conditions. It advises consulting the CHIARAVALLI GROUP Technical Department for extreme operating conditions and emphasizes the importance of adhering to recommended maintenance intervals.
Technical Data:
The document provides detailed tables with technical data for both GFAS and FBX series, including power factors, torque values, and maximum radial misalignment. It also includes part numbers for ordering complete couplings or individual components.
Interpretation Codes:
Examples of interpretation codes for both GFAS and FBX series are provided, explaining the configuration of hubs and sleeves based on part numbers.
Torque Limiters:
The document describes friction torque limiters, their components, and selection criteria based on torque requirements. It includes part numbers and specifications for various torque limiter models, emphasizing the importance of avoiding contamination of friction materials.
The document outlines the specifications for GFAS and FBX series couplings by CHIARAVALLI GROUP SpA. It includes details on torque, power transmission, and maximum operating speeds. The GFAS series is designed for specific misalignment tolerances and requires dynamic balancing for speeds exceeding 3,600 r.p.m. The FBX series features flexible toothed couplings with nylon sleeves, suitable for various torque and speed requirements.
Procedures:
Assembly instructions for GFAS couplings involve fitting seal and stop rings, aligning shafts, and using appropriate lubricants. Disassembly requires separating the shafts and extracting the hub. For FBX couplings, the document provides part numbers and assembly instructions, emphasizing the use of nylon sleeves and proper alignment.
Standards and Recommendations:
The document recommends using specific lubricants, such as Lithium soap grease for moderate loads and Barium complex soap grease for heavy-duty conditions. It advises consulting the CHIARAVALLI GROUP Technical Department for extreme operating conditions and emphasizes the importance of adhering to recommended maintenance intervals.
Technical Data:
The document provides detailed tables with technical data for both GFAS and FBX series, including power factors, torque values, and maximum radial misalignment. It also includes part numbers for ordering complete couplings or individual components.
Interpretation Codes:
Examples of interpretation codes for both GFAS and FBX series are provided, explaining the configuration of hubs and sleeves based on part numbers.
Torque Limiters:
The document describes friction torque limiters, their components, and selection criteria based on torque requirements. It includes part numbers and specifications for various torque limiter models, emphasizing the importance of avoiding contamination of friction materials.
Overview: This document provides technical specifications, product details, and general sales conditions for various components and products offered by Chiaravalli Group SpA, including bearings, cooling fans, motor mountings, and electrical motors.
1. Product Specifications:
- Bearings: Detailed specifications for locked bearings, including type, part number, dimensions, and weight. For example, the 6306 bearing has a part number 95000302, with dimensions and weight provided.
- Cooling Fans: Information on RCM-AL models for cooling fans, including part numbers and dimensions.
- Motor Mountings: Adjustable motor mounting specifications for electrical motors, including dimensions and material (zinc-coated sheet FE 430).
- Electrical Motors: Specifications for various motor types, including power, voltage, current, torque, efficiency, and weight. Motors conform to EU MEPS standards for energy efficiency.
2. General Sales Conditions:
- Orders: Orders must refer to offers made by Chiaravalli Group SpA and are binding for the client. Cancellations or reductions are not accepted once work has commenced.
- Prices: Prices are those in force at the date of order and may be adjusted due to production and material cost changes.
- Delivery Terms: Delivery terms are indicative and may be extended in cases of force majeure.
- Returns and Warranty: Returns require prior authorization, and a debit note will be issued for returned goods. The company promises to repair or replace defective parts under warranty conditions.
- Payments: Payments must be made as agreed, with interest on delayed payments. Goods remain property of Chiaravalli Group SpA until fully paid.
- Legal Jurisdiction: Any disputes will be handled under the jurisdiction of the Court of Busto Arsizio.
3. Additional Information:
- CAD drawings are available on the Chiaravalli website.
- Information on quantity, availability, and prices can be accessed through B2B Chiaravalli.
See more
Catalog excerpts
IMPORTANT: Our Company is able to produce pieces, on request, based on Customer’s drawings in the required quantity and quality. Our Company uses modern machine tools that also allows to produce pitches and profiles not shown in this catalogue. CHIARAVALLI GROUP SpA, do not accepts responsibility for any errors in the production of this catalogue and reserves the right to add to the drawings designs of the listed products any modification request by manufacturing requirements or due to evolution of the products. CHIARAVALLI GROUP SpA assures that the Comapny’s quality system complies with the...
Open the catalog to page 2
Sprockets and Idler Sprockets Platewheels, Wheels for table top chains, Hubs and adaptors Chains and Polyethylene Chain guide rail Straight spur gears and racks Bevel gears Timing pulleys V-belt pulleys Timing bars, Flanges for pulleys, Clamping belts plates Taper bushes BrandRCB® Clamping elements RCK® Brand Flexible couplings GIFLEX® Brand, Torque limiters Collars and washers Pillow blocks FSB® Brand, Monoblock pillow blocks RCM® Brand Adjustable motor mounti
Open the catalog to page 3
CHIARAVALLI GROUP world: much more than a collection of perfects mechanical components
Open the catalog to page 4
SPROCKETS ISO CHAIN SPROCKETS ASA CHAIN SPROCKETS STAINLESS STEEL CHAIN SPROCKETS SIMPLEX CHAIN SPROCKETS HARDENED SIMPLEX CHAIN SPROCKETS TAPER LOCK® CHAIN SPROCKETS CHAIN SPROCKETS IN CAST IRON CHAIN SPROCKETS FOR CONVEYORS AND ELEVATORS IDLER SPROCKETS WITH HARDENED TEETH WITH HOLE + KEYWAY + SCREW HOLES
Open the catalog to page 5
CHAIN SPROCKETS FOR ROLLER CHAINS
Open the catalog to page 6
CHAIN SPROCKETS FOR ROLLER CHAINS The range of sprockets designed for chains manufactured by our Company provides an all-round solution to the needs of industry in the sector of flexible mechanical transmissions and is the result of a manufacturing process that is designed to achieve the top in terms of technical and quality performance. Our production programme includes sprockets and wheels designed for chains, produced in compliance with the principles and with the most recent Standards and International Unified Standards: UNI, ISO, DIN, ANSI, etc. However, the standards define a profile with...
Open the catalog to page 7
CHAIN SPROCKETS Tooth radius r3 Radius width C Sprockets tooth width B1 CHAIN Pitch Inner width Roller Ø CHAIN SPROCKETS 5 x 2.5 mm for roller chains in compliance with DIN 8187 - ISO/R 606 CAD drawings available on our site www.chiaravalli.com Quantity, availability and prices on B2B Chiaravalli
Open the catalog to page 8
CHAIN Pitch Inner width Roller Ø MATERIAL C 45 UNI 7845 From Z 57 to Z 76 the width disk wheel is increased to h = 4mm CAD drawings available on our site www.chiaravalli.com CHAIN SPROCKETS Tooth radius r3 Radius width C Sprockets tooth width B1 Quantity, availability and prices on B2B Chiaravalli CHAIN SPROCKETS 6 x 2.8 mm for roller chains in compliance with DIN 8187 - ISO/R 606
Open the catalog to page 9
CHAIN Pitch Inner width Roller Ø CHAIN SPROCKETS Tooth radius r3 6,4 mm Radius width C 0,7 mm Sprockets tooth width B1a 2,9 mm CHAIN SPROCKETS 1/4” x 1/8” for roller chains in compliance with DIN 8188 - ASA 25 - ISO/R 606 - ANSI B 29 1 CAD drawings available on our site www.chiaravalli.com Quantity, availability and prices on B2B Chiar
Open the catalog to page 10
CHAIN Pitch Inner width Roller Ø PART NUMBER dm D1 A kg. PART NUMBER dm D1 A kg. MATERIAL C 45 UNI 7845 From Z 57 to Z 76 the width of the wheel disk increased to h = 4mm CAD drawings available on our site www.chiaravalli.com CHAIN SPROCKETS Tooth radius r3 Radius width C Sprockets tooth width B1 Sprockets tooth width b1 Sprockets tooth width B2 Quantity, availability and prices on B2B Chiaravalli CHAIN SPROCKETS 8 x 3 mm for roller chains in compliance with DIN 8187 - ISO/R 606
Open the catalog to page 11
CHAIN Pitch Inner width Roller Ø CHAIN SPROCKETS Tooth radius r3 Radius width C Sprockets tooth width B1 Sprockets tooth width b1 Sprockets tooth width B2 Sprockets tooth width B3 CHAIN SPROCKETS 3/8” x 7/32” for roller chains in compliance with DIN 8187 - ISO/R 606 PART NUMBER dm D1 A kg. NUMBER dm D1 A kg. PART PART NUMBER dm D1 A kg. MATERIAL C 45 UNI 7845 FOR MONOLITHIC CHAIN SPROCKETS MATERIAL FE FOR CHAIN SPROCKETS WITH WELDED HUB CAD drawings available on our site www.chiaravalli.com Quantity, availability and prices on B2B Chiar
Open the catalog to page 12
CHAIN SPROCKETS Tooth radius r3 13 mm Radius width C 1 mm Sprockets tooth width B1 3 mm CHAIN Pitch Inner width Roller Ø MATERIAL C 45 UNI 7845 From Z 31 the width of the disk wheel is increased to h = 5mm CAD drawings available on our site www.chiaravalli.com Quantity, availability and prices on B2B Chiaravalli CHAIN SPROCKETS 1/2” x 1/8” for roller chains in compliance with DIN 8187 - ISO/R 606
Open the catalog to page 13
CHAIN SPROCKETS Tooth radius r3 Radius width C Sprockets tooth width B1 CHAIN Pitch Inner width Roller Ø CHAIN SPROCKETS 1/2” x 3/16” for roller chains in compliance with DIN 8187 - ISO/R 606 CAD drawings available on our site www.chiaravalli.com Quantity, availability and prices on B2B Chiar
Open the catalog to page 14
CHAIN SPROCKETS ISO 1/2” x 1/4” rullo 7.75 CHAIN Pitch Inner width Roller Ø CHAIN SPROCKETS Tooth radius r3 Radius width C Sprockets tooth width B1 CAD drawings available on our site www.chiaravalli.com Quantity, availability and prices on B2B Chiaravalli CHAIN SPROCKETS 1/2” x 1/4” rullo 7.75 for roller chains in compliance with DIN 8187 - ISO/R 606
Open the catalog to page 15
CHAIN SPROCKETS ISO 1/2” x 1/4” rullo 8.51 CHAIN SPROCKETS Tooth radius r3 Radius width C Sprockets tooth width B1 CHAIN Pitch Inner width Roller Ø CHAIN SPROCKETS 1/2” x 1/4” rullo 8.51 for roller chains in compliance with DIN 8187 - ISO/R 606 CAD drawings available on our site www.chiaravalli.com Quantity, availability and prices on B2B Chiar
Open the catalog to page 16
kg. PART NUMBER dm D1 A kg. PART NUMBER dm D1 A kg. MATERIAL C 45 UNI 7845 FOR MONOLITHIC CHAIN SPROCKETS MATERIAL FE FOR CHAIN SPROCKETS WITH WELDED HUB CAD drawings available on our site www.chiaravalli.com CHAIN Pitch Inner width Roller Ø CHAIN SPROCKETS Tooth radius r3 Radius width C Sprockets tooth width B1 Sprockets tooth width b1 Sprockets tooth width B2 Sprockets tooth width B3 CHAIN SPROCKETS 1/2” x 5/16” for roller chains in compliance with DIN 8187 - ISO/R 606 Quantity, availability and prices on B2B Chiarava
Open the catalog to page 17All Chiaravalli Group SpA catalogs and technical brochures
Planetary Gearboxes248 Pages
Cast Iron Gearboxes CH-G202 Pages
Motors & Gearboxes177 Pages
*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.