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Motors & Gearboxes
Motors & Gearboxes
The document provides comprehensive technical specifications and guidelines for gearboxes and motors by Chiaravalli Group, covering helical, worm, bevel helical gear units, electric motors, and speed variators.
It includes key symbols and information on power, torque, speed, and transmission ratio, emphasizing optimal output speed and recommended lubrication oils.
Radial loads are calculated based on torque and transmission element diameter. Lubrication guidelines specify synthetic or mineral oils depending on gearbox type and highlight correct mounting positions.
The service factor is influenced by load type, runtime, and start-up frequency. Specific mounting positions require technical consultation for continuous work or high input speeds.
Features include modularity, high efficiency, and low noise, with details on assembly, power, torque, radial loads, lubrication, and mounting instructions.
Details include oil quantities, mounting positions, performance parameters, double worm gears, and radial load calculations.
Includes specifications, lubrication, maintenance, gear unit selection tables, exploded drawings, and spare parts lists.
Covers introduction, service factors, radial loads, lubrication, mounting positions, dimension sheets, and parts lists.
Details performance with 4-pole motors, lubrication recommendations, dimensions, use, and maintenance instructions.
Guidelines for selecting right-angle bevel gear drives, input power, and external load considerations.
Concludes with general sales conditions and specifications for electric motors.
Provides tables for selecting gear units based on power, rotational speed, torque, and gear ratio, organized by gear unit types.
Outlines maximum torque, input speed, gear ratio, and power for different gear units, emphasizing parameter matching for optimal performance.
Provides dimensional information for gear units, highlighting 2D and 3D drawings for installation and integration.
Includes an exploded view of gear units and a comprehensive list of spare parts essential for maintenance and repair.
Details installation, operation, and maintenance of gear units, including oil levels, alignment, and environmental protection.
Introduces the CHM series, discussing construction materials, lubrication requirements, and pre-stage gears for enhanced performance.
Details lubricant types and recommended oil quantities for various assembly positions, emphasizing correct breather plug use.
Guidelines for selecting and assembling motor mounting flanges to ensure compatibility and avoid vibration and bearing stress.
Guide on the designation system for ordering gear units, including type, size, version, flange position, and mounting position.
Outlines specifications for ordering motors and gears, including size, power, poles, voltage, frequency, and flange type.
Provides performance data for various CHM models with 4-pole motors at 1400 RPM input, including gear ratios, output speed, power, torque, and motor connections.
Details mounting positions and terminal box configurations with diagrams and tables.
Provides dimensions for each CHM model with references to 2D and 3D drawings.
Emphasizes lubrication requirements, particularly for non-standard positions, recommending Tecnolubeseal POLYMER 400/2 grease.
Instructions for ordering include specifying motor size, power, poles, voltage, frequency, and flange type, with emphasis on verifying maximum torque.
Introduces new CH worm gearboxes designed for market demands, featuring technical modifications for easier application and flexibility.
Gearboxes are painted for protection, achieve gear ratios up to 1:300, and are maintenance-free with synthetic lubricant.
Provides a table of suitable lubricants for various ambient temperatures.
Gears with mounting flanges must pair with motors meeting specific tolerances to avoid vibration and stress.
Details performance metrics for various CH models with 4-pole motors, including gear ratios, output speeds, power, torque, and motor connections.
Provides order codes for different configurations, specifying type, size, version, flange position, and mounting position.
Describes the CHPC/CH worm gear with a pre-stage module, offering performance data and order examples.
Details configurations, order examples, and execution types, highlighting adaptability for various mounting positions.
Provides specifications, performance data, and maintenance instructions for CH Double Worm Gears and CHO Helical-Hypoid Gear Units.
Outlines execution and mounting positions, gear ratios, input speeds, and power requirements for various gear types.
Provides performance tables for CH gears with 4-pole motors, listing ratios, output speeds, power, and torque.
Provides dimensions for combined gears with references to 2D and 3D drawings.
Specifies radial and axial load capacities for output shafts, providing formulas for load calculations.
Emphasizes alignment, vibration resistance, and protective measures, with maintenance guidelines for synthetic oil use.
Designed for high efficiency and low temperature operation, suitable for various motors and noted for energy-saving capabilities.
Specifies lubrication types and fill quantities for different mounting positions, with maintenance instructions for oil changes and seal checks.
Provides general information on power, rotation speed, and transmission ratios, with recommendations for optimizing gear performance.
CHA shaft mounted gear units are designed for belt conveyors, featuring a backstop system for irreversibility.
Includes high efficiency, low noise, easy mounting, and backstop mounting possibility, available in 8 sizes.
Key parameters include input/output power, transmission efficiency, input/output speed, and transmission ratio.
Depends on load type, run time, and start-up frequency.
Proportional to torque and inversely proportional to transmission member diameter.
Gearboxes are supplied without oil; suitable oil should be chosen based on viscosity and ambient temperature.
Various mounting positions with specific vent, filler, level, and drain plug positions.
Ensure gearbox matches specifications, fill with oil before use, and protect against atmospheric agents.
Protect shafts and surfaces with antioxidants for long-term storage, handle with care.
Packaging should be recycled by specialized companies.
Features mechanical speed variators with oil bath lubrication, offering a speed range of 1:5.
Speed variators are supplied with lubrication oil for specific assembly positions.
Speed variators require oil checks and changes, motors should be of at least 'normal' class quality.
Includes components such as output shaft, planet support, and more.
Designed for transferring rotary power between shafts at right angles, available in various sizes.
Define Service Factor, calculate Rated Power, ensure radial and axial loads do not exceed specified values.
CHT series motors designed for gearboxes, compliant with various standards, available in different voltages.
Detailed tables provide information on shaft ratios, input/output types, codes, and weights.
CHT line motors designed for European net system with various voltage options.
Provides specifications for electric motors with 2, 4, and 6 poles, including power, voltage, current, torque, efficiency, and weight.
Regulation mandates minimum efficiency of IE3 for motors sold in the European Economic Market.
Includes detailed dimensions and mounting specifications for various motor types.
Highlights availability of IE3 efficiency motors, compliant with latest standards.
Mentions availability of SIEMENS motors and MGM brake motors upon request.
Catalog excerpts
GEAR BOXES AND MOTORS
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CHIARAVALLI GROUP world: much more than a collection of perfects mechanical components
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BEVEL GEARS ELECTRIC MOTORS
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INDEX page 2 page 2 page 3 page 4 page 4 page 5 page 6 page 7 page 8 page 9 page 10 page 11 page 12 page 18 page 19 page 20 page 21 page 22 page 23 page 24 CHM-CHMR-CHME-CHMRE WORM GEARED MOTORS AND WORM GEAR UNITS CHM worm geared motors and worm gear units Premessa - Introduction Quantity of oil in litres - Motor mounting flanges CHM/CHMR/CHME/CHMRE Designation - Example order Mounting position Performance and dimensions CHM 025/CHM 150 with 4-pole motors CHMR Dimensions CHPC/CHM worm gear with pre-stage module Performance CHTPC/CHM with 4-pole motors CHPC/CHM Dimensions Double worm gears CHM/CHM-CHME...
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INDEX page page page page page page page page page page page page page page CHO BEVEL HELICAL GEAR UNITS Introduction General information Radial loads FR Lubrication Maintanance and designation Ratios and IEC motors adapters Gear unit selection tables Dimension sheet Accessories and mounting positions Exploded drawing and spare part list CHO use and maintenance instructions page 88 page 89 page 90 page 91 page 92 page 93 page 94 page 96 page 108 page 116 page 119 page 120 CHA SHAFT MOUNTED SPEED REDUCERS Introduction General information Service factor Fs Radial loads FR / Backstop device Lubrication...
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SYMBOLS P = Power (Kw) i = Ratio T = Torque (Nm) n = Speed (RPM) Fr = Radial Load (N) Fa = Axial Load (N) f.s. = Service Factor D = Diameter (mm) 1 Kw = 1,36 HP 9,81 N = 1 Kp 1 2 Input Output GENERAL INFORMATION POWER P P1 * = P2 P1 = Input power P2 = Output power = Transmission efficiency 2 VELOCITA’ DI ROTAZIONE n n1 = Input speed n2 = Output speed An output speed ≤ 1400 rpm is suggested so as to optimize the working condition and extend the service life. SYMBOLS - GENERAL INFORMATION T2 = Output torque T2n = Rated output torque P1 = Input power = Transmission efficiency fS = Service factor...
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RADIAL LOADS FR The radial loads is proportional to the requested torque and inversely proportional to the transmission member diameter following this formula. FR = FR = Radial load T = Nm (Torque) T.e.f. = Transmission element factor T.e.f. = 1,15 gear = 1,4 chain spocket = 1,75 v-pulley = 2,5 flat-pulley D = Transmission element diameter When the radial loads is not applied on the centre line of the shaft it is necessary to use the following formula. FR = Radial load on the centre line a,b,x = see tables page 9-46-47-77-78 All, gearboxes and variators are supplied, CHA type excluded, complete...
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SERVICE FACTOR FS The service factor mainly depends on three parameters: - type to load: U - M - H - run time: h/day - start-up frequency: na/h U = uniform M = moderate H = heavy na/h = starts/hour LOAD TYPE - APPLICATION Conveyor belts for light weights - centrifugal pumps - lifts - bottling machines M SERVICE FACTOR FS - V6/B8 MOUNTING POSITION Conveyor belts for heavy weights - packing machines - wood working machines - gear pumps Mixers - bucket elevators - tooling machines - machinery for bricks - vibrators V6/B8 MOUNTING POSITION When the worm gearboxes mounting position is V6 or B8, with...
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CHC SERIES HELICAL GEAR UNITS
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INTRODUCTION CHC series helical gear units is a new generation product, which designed basing on the modular system. It can be connected respectively with motors such as standard motor, brake motor, explosion-proof motor, IECmotor B5 - B14. This kind of product is widely used in drive fields such as textile, foodstuff, beverage, chemical industry, packaging and so on. PRODUCT FEATURES · Modularity · High efficiency · Low noise · Universal mounting · Aluminum housing, light in weight · Gears in carbonize hard, grinded · Lubricant maintenance free CHC Series helical gear units are manufactured...
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ASSEMBLING POSSIBILITY Input flange Output flange ORDER EXAMPLE CHC 25PB 28,9 80B5 B3 Type CHC Size 16*-20-25-30-35-40 The number indicates the output shaft diameter *CHC 16 on request P foot F flange no foot no flange Flange type 1 2 3 Foot type Ratio see catalogue IEC Motor flange size Version B5-B14 Mounting position B3-B8-B6-B7 V5-V6-B5-V1-V3 If the motor is also required please specify Size Power Poles Voltage Frequency Flange
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GENERAL INFORMATION POWER P P1 * = P2 P1 = Input power P2 = Output power = Transmission efficiency ROTATION SPEED n n1 = Input speed n2 = Output speed An output speed ≤ 1400 rpm is suggested so as to optimize the working condition and extend the service life. Input speed higher are allowed following the table below. M2 = Output torque M2n = Rated output torque P1 = Input power = Transmission efficiency fS = Service factor 2D and 3D drawings available on the web site www.chiaravalli.com Quantity, availability and prices with Chiaravalli B2
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RADIAL LOADS FR The radial loads is proportional to the requested torque and inversely proportional to the transmission member diameter following this formula. FR = FR = Radial load T = Nm (Torque) T.e.f. = Transmission element factor T.e.f. = 1,15 gear = 1,4 chain spocket = 1,75 v-pulley = 2,5 flat-pulley D = Transmission element diameter When the radial loads is not applied on the centre line of the shaft it is necessary to use the following formula. FR = Radial load on the centre line a,b,x = see table Output shaft radial loads & axial loads FR, FA
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LUBRICATION TYPES OF LUBRICATION Lubrication type MOUNTING POSITION AND TERMINAL BOX ORIENTATION B3 CHC - LUBRICATION - MOUNT. POSIT. AND TERMIN. BOX ORIENTAT. Normal position Fill quantity in litres Fill quantity in litres The CHC gearboxes are supplied with Shell Tivela S 320 oil for STANDARD position, when mounted in V6/V3 it is necessary to add the correct quantity of oil.
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RATIO AND IEC MOTOR ADAPTERS CHC 20 CHC - RATIO AND IEC MOTOR ADAPTERS * CHC 16 Only on request Ratios are rounded B= Metal reduction bushing
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GEAR UNIT SELECTION TABLES CHC - GEAR UNIT SELECTION TABLES 2D and 3D drawings available on the web site www.chiaravalli.com Quantity, availability and prices with Chiaravalli B2B
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- Planetary gearbox
- Coaxial gearhead
- Power transmission belt
- Clamping device
- Precision gearhead
- Right angle gearhead
- Industrial strip
- Rubber strip
- Industrial belt
- Polymer belt
- Transmission coupling
- Timing belt
- Bearing unit
- Sturdy belt
- Screw jack
- Clamping element
- Polyurethane power transmission belt
- Synchronous power transmission belt
- Overload clutch
- Trapezoidal belt