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Technical manual V-Belts

Technical manual V-Belts
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Technical manual V-Belts

Product catalog summary
Introduction
This technical manual provides detailed information on the design and calculation of drives using OPTIBELT V-belts and V-grooved pulleys for industrial applications. It includes support services for application and problem-solving, particularly for large volumes, using the CAP drive calculation software.
Product Description
  • optibelt RED POWER 3 High Performance Wedge Belts: Maintenance-free, powerful, cost-effective, and environmentally friendly, suitable for drives with idler pulleys, standardized according to DIN 7753 Part 1, ISO 4184, and RMA/MPTA.
  • optibelt BLUE POWER High Performance Wedge Belts: Feature aramid tension cords for high power transmission in limited design dimensions and high temperatures, standardized similarly.
  • optibelt SK High Performance Wedge Belts: Use polyester tension cords for high performance with reduced axial distance requirements, resistant to oil, temperature variations, and dust.
Standard Range
The manual details profiles and dimensions for each belt type, including specific applications and standardization criteria.
Design Support
Guidelines for belt tensioning, calculating axial and shaft loads, and installation, maintenance, and storage procedures are included, along with problem-solving tips and conversion factors.
Power Ratings and Special Drives
Power ratings for different belt types are provided, along with information on special drives like V-Flat Drives and Twist Drives.
Drive Calculation
Manual and software-based calculation methods are outlined, with examples and formulas for accurate drive design.
Product Overview
Optibelt SK wedge belts are designed for industrial applications ranging from light to heavy-duty drives, offering superior performance compared to traditional V-belts.
Applications
Suitable for a wide range of industrial applications, including pumps, mills, and stone crushers, available in profiles SPz, SPA, SPB, and SPC, complying with DIN 7753 and ISO 4184 standards.
Standardization and Dimensions
Adhere to DIN 7753 and ISO 4184 standards, with specific datum widths and lengths, and are electrically conductive as per ISO 1813.
USA Standard RMA/MPTA
Conform to USA standards with profiles 3V/9n, 5V/15n, and 8V/25n, suitable for export to the USA and Canada.
Optibelt VB Classic V-Belts
Used as replacement parts for industrial drives, standardized according to DIN 2215 and ISO 4184, suitable for special applications like V-flat drives.
Optibelt KB Kraftbands
Characterized by high power transmission and flexibility, used in mechanical engineering and agricultural machines.
Optibelt Super X-Power M=S
Designed for high power transmission with small pulley diameters and high speeds, offering low stretch, improved maintenance intervals, and excellent heat and oil resistance.
Specifications
Discusses the specifications of Optibelt's SuPEr X-POWEr m=S and SuPEr E-POWEr m=S V-belts, designed to handle high power transmission with minimal stretch.
Procedures
Drive design should follow examples provided, with power ratings based on a theoretical laboratory running time of 25,000 hours.
Norms and Standards
Conform to various international standards, ensuring compatibility and interchangeability, electrically conductive according to ISO 1813 and compatible with ATEX.
Recommendations
Optibelt recommends using SuPEr E-POWEr m=S belts for high power transmission applications, especially in extreme temperatures.
Advantages
Provide up to 20% better performance, high capacity, low stretch, and excellent temperature resistance from -50°C to +120°C.
Structure and Properties
Consist of a low-stretch polyester tension cord, a high-performance EPDM compound, and a cover fabric that supports the tension cord.
Applications
Used in various machines such as compressors, fans, pumps, woodworking machines, and high-performance saws.
Test Results
Show improved tension retention compared to common raw edge, moulded cogged constructions.
Product Descriptions
Provides detailed descriptions of various Optibelt products, including SuPEr TX m=S V-belts and Vario Power variable speed belts.
Specifications
Manufactured using carefully selected materials and updated technical procedures to ensure high quality, designed to be oil-resistant, heat-resistant, and dust-resistant.
Procedures
The Application Engineering Department assists in designing drives using Optibelt DK double-sided V-belts.
Standards and Recommendations
Comply with various national and international standards, including DIN 22100-7 for mining applications.
Product Features
Include oil resistance, heat resistance, dust protection, matched sets (M=S), and SetConstant (S=C plus).
Special Constructions
Extra heat-resistant V-belts are recommended for temperatures between +70°C and 90°C.
Applications
Suitable for various industries, including mining, mechanical engineering, and agriculture.
Overview
Provides detailed specifications and guidelines for various belt profiles and their applications, focusing on the Optibelt product range.
Specifications
Lists multiple belt profiles such as SPB, SPC, 3V/9J, 5V/15J, and 8V/25J, among others.
Production and Ordering
Specifies maximum production lengths and non-standard length ranges available upon request.
Weight and Material
Provides weight per rib for each profile, indicating the material's density and potential application weight.
Standards and Compliance
Comply with various international standards such as DIN/ISO and RMA/MPTA.
Recommendations
Suggests contacting the manufacturer for non-standard sizes and special requirements.
Specifications
Outlines various belt configurations with specific rib counts and weights.
Standard Range
Lists a standard range of Optibelt KB Kraftbands with classic V-belts, adhering to DIN/ISO and ASAE standards.
Profiles and Dimensions
Provides detailed dimensions for different profiles, including belt top width, height, and angles.
Additional Information
Includes a comprehensive list of belt lengths and corresponding ISO designations.
Conclusion
Emphasizes customization and adherence to international standards.
Specifications
Provides detailed specifications for Optibelt's variable speed belts and V-grooved pulleys.
Procedures
Outlines procedures for selecting and balancing V-grooved pulleys.
Standards
References several standards, including DIN/ISO and ASAE for double-sided V-belts.
Recommendations
Includes using standard pulley diameters and ensuring timely replacement of damaged pulleys.
Key Data from Tables
Provides conversion factors for belt numbers to reference lengths.
Critical Information
Highlights the importance of balancing pulleys according to specific quality levels.
Specifications
Outlines the specifications for Optibelt KS V-grooved pulleys designed for cylindrical bores.
Procedures
Provides detailed tables listing the datum diameter, number of grooves, design weight, finished bore diameter, and hub length for various pulley profiles.
Standards
Conform to DIN 2211 and DIN 6885 Part 1 standards.
Recommendations
Explains symbols and provides formulas for calculating drive center distance, belt deflection, and nominal power ratings.
Key Data from Tables
Provides critical data such as face width, number of grooves, and design weight for different pulley profiles.
Critical Information
Advises consulting the Applications Engineering Department for special cases involving increased starting torque or exceptional shock loads.
Drive Calculation and Belt Selection Guidelines
1. Torque and Load Factors:
Outlines different types of drives based on their torque requirements and daily operating hours.
2. Belt Length Factor (c3):
Provides tables showing the relationship between belt length and the c3 factor for various belt profiles.
3. Guidelines for Selecting Belt Profiles:
Provides guidelines for selecting suitable belt profiles for V-belts and Kraftbands.
4. Minimum Allowance for Adjusting Centre Distance:
Tables indicate the minimum allowances required for tensioning and fitting belts of different profiles and lengths.
5. Diagrams and Performance Recommendations:
Includes diagrams to assist in selecting the appropriate belt profile based on design power and pulley speed.
Specifications
Provides detailed specifications for V-flat drives, including the components such as grooved and flat pulleys.
Procedures
Outlines the calculation methods for determining the datum length of V-belts and kraftbands.
Standards and Recommendations
Includes using V-grooved pulleys for small pulleys and avoiding wedge belts due to their tendency to twist.
Key Data from Tables
Provides power ratings, speed ratios, and additional power per belt for different speed ratios.
Best Practices
Includes ensuring the flat pulley is shaped cylindrically and checking the crown height when reusing existing flat pulleys.
Introduction
Provides technical specifications and guidelines for the use of Optibelt KB kraftbands and V-belts, focusing on idler configurations and special drive systems.
Specifications
Outlines various belt types and their compatibility with different pulley systems.
Idler Design and Configuration
Key considerations for idler design include positioning idlers on the slack side of the drive to reduce tension idler force.
Drive Calculations
Provides formulas for calculating belt length and the number of belts required.
Special Drives
Discusses special drive configurations, such as twist drives and drives with aramid structures.
Applications
Recommended for applications requiring high power transmission, limited installation space, and high-temperature resistance.
Conclusion
Recommends consulting Optibelt's Application Engineering Department for specific requirements.
Specifications
Outlines the specifications for OPTIBELT V-belts and kraftbands, highlighting the availability of raw edge and wrapped belts with aramid cords.
Procedures
Provides detailed procedures for belt tensioning, emphasizing the importance of correct tension.
Standards and Recommendations
Recommends ordering aramid belts and V-belts/kraftbands in sets.
Technical Tools
Describes the use of frequency tension testers for checking belt tension via frequency measurement.
Key Data and Diagrams
Illustrates belt tension characteristics for different belt profiles.
Critical Information
Highlights the criticality of correct belt tension to prevent premature failure.
Overview
Provides detailed information on the use and specifications of various belt tensioning tools and methods.
Specifications
  • TT OPTical: Measures tension values of V-belts, ribbed belts, and timing belts.
  • OPTIKRIK Tension Gauges: Available in different models with varying measurement ranges.
Procedures
  • Using TT OPTical: The device is ready for use immediately after switching on.
  • Using OPTIKRIK: The gauge is placed on the belt, and tension is adjusted based on the measurement.
Installation and Maintenance
  • V-Grooved Pulleys: Ensure all components are clean and properly aligned.
  • Belt Tension: Follow OPTIBELT recommendations for tensioning.
Storage Recommendations
  • Store V-belts in a dry, dust-free environment away from chemicals and extreme temperatures.
  • Maintain a relative humidity below 65% and avoid stress on stored belts.
Key Data from Tables
  • Static belt tension values are provided for various belt profiles and pulley diameters.
  • Tightening torque values for taper bushes are specified for different dimensions.
Specifications
Provides detailed specifications for various types of belts, including endless wedge belts, classic V-belts, and double-sided V-belts.
Procedures
Instructions on how to measure and calculate the lengths and tolerances of belts are provided.
Standards and Norms
References several standards, including DIN 7753, DIN 2215, and ISO 4184.
Recommendations
Recommendations are given for the minimum pulley diameters and the use of V-grooved pulleys.
Key Data from Tables
Provides detailed measurements and tolerances for different belt profiles.
Applications
Recommended for a wide range of applications, including woodworking, automotive, packaging, and agriculture.
Design Guidelines
Advises on the design of drive and guide pulleys, emphasizing the use of V-grooved pulleys.
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Catalog excerpts

Technical manual V-Belts-1

Technical Manual V-BelT DriVes

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Technical manual V-Belts-3

Technical Manual V-Belt Drives This technical manual contains all i ­mportant technical information and m ­ ethods for the design and calculation of drives with OPTIBELT V-belts and V ­ -grooved pulleys for industrial ­applications. Our Application Technology experts offer you free support service regarding the application of our products and also help solve your drive problems. Especially regarding large volumne you should make use of this service. We offer you the optimum solution using state-of-the-art programmes, the CAP drive calculation software. © Arntz OPTIBELT Group, Germany 

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Technical manual V-Belts-4

OPTiBelT WOrlDWiDe © ArnTz OPTIBELT GrOuP, GErmAny

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Technical manual V-Belts-5

opTIBeLT GmbH www.optibelt.de india Thailand opTIBeLT SKANDINAVISKA AB www.optibelt.se opTIBeLT CorporATIoN www.optibelt.us opTIBeLT (CANADA) INC. www.optibelt.ca SALeS NorwAY www.optibelt.no opTIBeLT HuNGArY KFT. www.optibelt.hu SALeS DeNMArK www.optibelt.dk Vietnam singapore ooo “opTIBeLT power TrANSMISSIoN” www.optibelt.ru opTIBeLT FINLAND oY www.optibelt.fi opTIBeLT poLSKA Sp. Z o.o. www.optibelt.pl opTIBeLT NeDerLAND B.V. www.optibelt.nl opTIBeLT ÖSTerreICH GmbH www.optibelt.at opTIBeLT Do BrASIL LTDA. www.optibelt-br.com opTIBeLT FrANCe SAS www.optibelt.fr opTIBeLT ASIA pACIFIC pTe. LTD....

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Technical manual V-Belts-6

Product Description Drive Belts Standard Range Drive Belts Product Description Metal Standard Range Metal © Arntz OPTIBELT Group, Germany

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Technical manual V-Belts-7

DRIVE CALCULATION POWER RATINGS SPECIAL DRIVES DESIGN SUPPORT CONVEYOR BELTS © Arntz OPTIBELT Group, Germany 

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Technical manual V-Belts-8

PrODucT DescriPTiOn optibelt reD POWer 3 high PerFOrMance WeDge BelTs structure optibelt rED POWEr 3 wedge belts: Transverse fibre compound made of polychloroprene Polyester tension cord/ maintenance-free Core with transversely aligned fibre layer application areas optibelt rED POWEr 3 wedge belts were especially developed for mechanical engineering. The application areas include compressors, pumps, presses, fans and other heavy duty drives. standardisation/Dimensions optibelt rED POWEr 3 wedge belts in the profiles SPz, SPA, SPB, SPC, 3V/9n, 5V/15n and 8V/25n are standardised according to DIn...

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Technical manual V-Belts-9

PrODucT DescriPTiOn optibelt Blue POWer high PerFOrMance WeDge BelTs structure/Properties optibelt BLuE POWEr wedge belts: Transverse fibre mixture made of polychloroprene standardisation/Dimensions optibelt BLuE POWEr wedge belts in the profiles SPz, SPA, SPB, SPC, 3V/9n, 5V/15n and 8V/25n are standardised according to DIn 7753 Part 1, ISO 4184 and rmA/mPTA. Aramid tension cord/ maintenance-free Core with transversely aligned fibre layer Abrasion-resistant cover fabric The aramid tension cord has extremely low-stretch compared to common materials such as polyester. The breaking strength is almost...

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Technical manual V-Belts-10

PrODucT DescriPTiOn optibelt sK high PerFOrMance WeDge BelTs Din 7753 ParT 1 / isO 4184 applications optibelt SK wedge belts in the profiles SPz, SPA, SPB and SPC were specially developed for all industrial applications from lightly loaded drives, such as those for pumps, up to heavily loaded mills and even stone crusher drives. structure optibelt SK wedge belts consist of: Filler rubber Tension cord rubber core Cover fabric The polyester tension cord is standard for all profiles and cross sections, with cord constructions matching the requirements of each profile. The cord is specially impregnated...

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Technical manual V-Belts-11

PrODucT DescriPTiOn optibelt sK WeDge BelTs usa sTanDarD rMa/MPTa structure/Properties optibelt SK wedge belts according to uSA standard rmA/mPTA have the same structure and properties as wedge belts according to DIn 7753 Part 1. Filler rubber Polyester tension cord Belt height recommended minimum pulley outside diameter rubber core Flex rate (s-1) Cover fabric *> 55 m/s. Please contact our Application Engineering Department. standardisation/Dimensions The three wedge belt profiles standardised in the uSA are 3V/9n, 5V/15n and 8V/25n. The cross section dimensions of these belts and the according...

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Technical manual V-Belts-12

PrODucT DescriPTiOn optibelt VB classic V-BelTs Din 2215 / isO 4184 structure/Properties optibelt VB classic V-belts are manufactured using the same production processes as those for optibelt SK high performance wedge belts. Filler rubber Polyester tension cord rubber core For these applications special belt constructions and calculation methods are required which are not included in this manual. In these cases we ask you to give us the according drive data. standardisation/Dimensions optibelt VB classic V-belts in the profiles y/6, z/10, A/13, B/17, C/22, D/32 and E/40 are standardised according...

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Technical manual V-Belts-13

PrODucT DescriPTiOn optibelt KB KraFTBanDs Product characteristics optibelt KB kraftbands are characterised by the following properties: • High level of uniform power transmission • Favourable running behaviour especially regarding vibration • Excellent flexibility • High centre distances with small pulley datum diameters • V-flat drives • Vertical drives • Clutched drives and conveyance drives standardisation/Dimensions KB wedge belts optibelt KB kraftbands with high power wedge belts are manufactured in SPz, SPA, SPB, SPC profiles as well as in 3V/9J, 5V/15J, 8V/25J in compliance with international...

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Technical manual V-Belts-14

PrODucT DescriPTiOn optibelt KB KraFTBanDs Product design The optibelt KB kraftbands are used in the most varied constructions according to the technical requirements and applications. Wrapped kraftbands Profiles 3V/9J; 5V/15J; 8V/25J; SPz; SPA; SPB; SPC; A/HA; B/HB; C/HC; D/HD Dimensions 1200 mm to 12,000 mm standard range application areas: OPTIBELT wrapped KB kraftbands are primarily used in mechanical engineering and agricultural machines. 1 Top surface 2 rubber coating 3 Polyester tension cord 4 Base compound 5 Cover fabric reD POWer 3 high performance kraftbands – wrapped 1 Top surface...

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Technical manual V-Belts-15

PrODucT DescriPTiOn optibelt KB KraFTBanDs high performance kraftbands – raw edge suPer KBX-POWer 1 Top surface 2 upper belt structure Profiles 3VX/9JX; 5VX/15JX; XPB XPz; XPA on request Dimensions 1270 mm to 3556 mm standard range application areas The use of SuPEr KBX-POWEr kraftbands is recommended when dealing with compact drive solutions with high power requirements, small pulley datum diameters and for many more special applications in mechanical engineering and vehicle construction. 3 Polyester tension cord, low maintenance 4 Embedding compound 5 Belt base 6 moulded cogs Kraftbands with...

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