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Series M Helical In-Line

Series M Helical In-Line

Product catalog summary

General Description: The Series M inline helical geared motors and reducers provide a compact and efficient drive solution for applications up to 90kW and 11,000Nm. The range includes twelve sizes with ratio coverage from 1.4/1 to 70/1 in double reduction, up to 250/1 in triple reduction, and 16,200/1 in combined units. These units are designed for high load capacity, efficiency, quiet operation, and reliability.

Unit Designations: Units are available in various configurations including base mounted, B5 (D) flange mounted, and B14 (C) flange mounting. They can be motorized with IEC or NEMA standard motors, high-efficiency motors, or configured to allow fitting of customer-supplied motors. Reducer units are available with options like fan kits and backstop modules.

Explanation and Use of Ratings and Service Factors: Gear unit selection involves comparing actual loads with catalog ratings, which are based on standard loading conditions. Service factors adjust for actual load conditions. Mechanical ratings assume 10-hour daily operation under uniform load, allowing for 100% overload during starting or braking. Service factors account for operating time and load type, with adjustments for frequent stops or harsh environments.

Load Classification by Applications: Applications are classified by load type (uniform, moderate, heavy) and include industries such as food, mining, and textiles. Specific machinery like crushers, conveyors, and pumps are categorized to determine appropriate service factors.

Selection Procedure: The selection process involves determining the appropriate unit size and configuration based on application requirements, load conditions, and service factors. Detailed tables and dimension sheets assist in selecting the correct geared motor or reducer.

Additional Features: Units can be equipped with features like double oil seals, motorized backstops, and are dimensionally interchangeable with other manufacturers. Brake geared motors are standard for certain sizes, and lubrication requirements vary by unit size.

Selection Procedure for Motorised Units:

1. Determine Mechanical Service Factor (Fm):
- Refer to Load Classification by Application (Table 3).
- For a uniformly loaded belt conveyor operating 24 hours per day, the mechanical service factor (Fm) is 1.25.
- If frequent start/stops occur, multiply Fm by factor Fs.

2. Determine Required Output Torque at Gearbox Output Shaft:
- Use the formula: Absorbed power x 9550 / Gearbox output speed.
- Example calculation: 0.7 kW x 9550 / 63 rev/min = 106 Nm.

3. Select Geared Motor:
- Refer to the selection table for a motor size larger than absorbed power.
- For 0.7 kW, refer to the 0.75 kW selection table.
- Always select from the 4 POLE selection table for economical solutions.

4. Check Output Torque:
- Ensure the selected unit's output torque (M2) is equal to or greater than the required output torque.
- Example: Required torque is 106 Nm, selected unit's torque is 107 Nm.

5. Check Service Factor:
- Ensure the selected unit's service factor (Fm) is equal to or greater than the required service factor.
- Example: Required service factor is 1.25, selected unit's factor is 1.48.

6. Check Overhung Loads:
- If a sprocket or gear is mounted on the output shaft, refer to the Overhung Loads Procedure.
- Allowable overhung load (N) must be equal to or greater than the calculated load (P).

Unit Versions and Output Shaft Options:
- Various mounting options are available, including base and flange mounts.
- Output shaft options include standard and inch sizes with specific dimensions.

Motor Adapters:
- IEC and NEMA flange options are available for different unit types.
- Double and triple reduction units have specific motor frame and flange configurations.

Overview: This document provides selection tables for Series M geared motors, detailing various specifications and configurations available for different motor sizes and power ratings. It includes information on output speeds, torque, service factors, and other critical parameters.

Specifications: The tables list specifications for geared motors with different power ratings (e.g., 5.5 kW, 7.5 kW, 11.0 kW) and pole configurations (e.g., 4 pole, 6 pole). Key parameters include output speed (R/MIN), gear ratio (i), output torque (Nm), service factor (Fm), overhung load (N), and unit designation.

Procedures: The document suggests consulting application engineering for additional output speeds using 2 and 8 pole motors, indicating a need for customization based on specific application requirements.

Data Interpretation: The tables provide a comprehensive breakdown of motor performance metrics, allowing users to select the appropriate motor configuration based on desired output speed, torque, and load capacity. The service factor indicates the motor's ability to handle overload conditions, while the overhung load capacity ensures the motor can support the mechanical load applied.

Recommendations: Users are advised to fill in specific order details in the provided spaces when placing an order, ensuring accurate configuration and delivery of the geared motors.

Notes: The document emphasizes the availability of other output speeds with different pole motors, highlighting the flexibility and adaptability of the Series M geared motors for various industrial applications.

Specifications:
The document provides detailed specifications for Series M reducers, focusing on overhung and axial loads on shafts. It includes formulas for calculating equivalent overhung loads based on power, speed, pitch radius, and a factor specific to the type of overhung member (e.g., chain sprocket, spur or helical pinion, vee belt sheave, flat belt pulley). The permissible overhung loads vary with the direction of rotation and the position of the load along the shaft extension.

Procedures:
To determine the overhung load on a shaft, a calculation must be performed using the provided formula. If the calculated load exceeds the permissible limit, solutions include increasing the diameter of the sprocket or gear, mounting the component on a separate shaft, or using a larger gear.

Norms and Recommendations:
All units can handle 100% momentary overload on stated capacities. It is recommended to position the sprocket or gear as close as possible to the gear unit case to reduce bearing loads and shaft stresses, thereby prolonging the life of the unit.

Data Tables:
The document includes tables listing dimensions (A and B) for various unit sizes and stages, permissible axial thrust capacities, and detailed ratings for double reduction units. These tables provide critical data such as input speed, output speed, exact ratio, output torque, input power, and overhung load for different unit sizes and configurations.

Key Parameters:
- Overhung load calculation: P = (kW x 9,500,000 x K) / (N x R)
- Factors for overhung members: Chain sprocket (1.00), Spur or helical pinion (1.25), Vee belt sheave (1.50), Flat belt pulley (2.00)
- Axial thrust capacities vary by unit size and stage, with specific values provided in the tables.

Limitations:
Axial loads up to 50% of the permissible overhung load do not require checks or calculations. For loads exceeding this or combinations of axial and overhung loads, consultation with application engineers is advised.

Best Practices:
Ensure that the load is applied as close to the gear unit case as possible and consider the direction of rotation and power transmitted when assessing permissible loads.

Overview: This document provides detailed technical specifications and dimensions for various mechanical components, specifically focusing on gear reduction units. It includes information on different series and mounting options, as well as thermal power ratings.

Specifications: The document outlines specifications for high-speed and low-speed shafts across different series (M0132, M0232, etc.). Key parameters include shaft diameters, lengths, thread specifications, and depth measurements. The document also specifies the use of parallel keys according to DIN 6885 standards.

Dimensions: Detailed dimensions are provided for quadruple, quintuple, and double reduction base mounts, as well as flange mounts. Each section lists size-specific measurements such as diameter, length, and depth for both high-speed and low-speed shafts.

Mounting Options: The document describes various mounting configurations, including C-Flange (B14) mounting, which is available for sizes M01 to M08. It also mentions special orders for base and C-Flange mounting.

Thermal Power Ratings: Thermal ratings are discussed as a measure of the unit's ability to dissipate heat. The document warns that exceeding these ratings can lead to lubricant breakdown and gear failure. Adjustments to thermal ratings are necessary for ambient temperatures different from the standard 20°C.

Key Data from Tables: The tables provide specific measurements for each component size, including shaft diameters, lengths, and thread specifications. These are critical for ensuring compatibility and performance in mechanical systems.

Recommendations: Ensure all components are selected based on the specified dimensions and thermal ratings to prevent mechanical failures. Consider ambient temperature adjustments for thermal ratings to maintain optimal performance.

Thermal Power Specifications:
- The document provides thermal power specifications for two-stage units with different input revolutions per minute (rev/min) and unit sizes. It emphasizes using the actual load required for transmission rather than the prime mover's rating.
- Units are categorized based on cooling type: no additional cooling and fan cooling, with specific thermal power values listed for each category and input speed.

Fan Cooled Units Dimensions:
- Dimensions for fan-cooled units are provided, including specific measurements for double reduction units. The document specifies entries for reducer fan kit modules and backstop module kits.

Reducer Backstop Module:
- Details on the reducer backstop module include the need to specify the rotation of the output shaft when ordering. The module features high-quality centrifugal lift-off sprags that are wear-free above the lift-off speed.
- Suitable for ambient temperatures ranging from -40°C to +50°C.

Shipping Specifications:
- Shipping weights for base mount units are listed, excluding lubricant. Weights are provided for units with and without motors across various unit sizes and reduction numbers.

Contact Information:
- Contact details for Benzlers and Radicon across various countries, including Denmark, Finland, Germany, Italy, Sweden, the Netherlands, Thailand, the United Kingdom, and the USA, are provided.

Catalog excerpts

Series M Helical In-Line Technical Up to - 90 Kw / 11,000 Nm Geared Motors CM-2.00GB1211

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Serving an entire spectrum of mechanical drive applications from food, energy, mining and metal; to automotive, aerospace and marine propulsion, we are here to make a positive difference to the supply of drive solutions. Series A Worm Gear units and geared motors in single & double reduction types Series BD Screwjack worm gear unit Series BS Worm gear unit Series C Right angle drive helical worm geared motors & reducers Series F Parallel shaft helical geared motors & reducers Series G Helical parallel shaft & bevel helical right angle drive gear units Series H Large helical parallel shaft & bevel...

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SERIES M CONTENTS General Description ___________________________________________________________________ 1 Unit Designations ____________________________________________________________________ 2 Explanation and use of Ratings and Service Factors _________________________________________ 3 Load Classification by Applications _______________________________________________________ 4 Selection Procedure __________________________________________________________________ Unit Versions - Column 9 Entry __________________________________________________________ 7 Output Shaft Options - Column 11 Entry...

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SERIES M GENERAL DESCRIPTION Series M inline geared motors and reducers provide a very efficient and compact drive solution to meet most requirements up to 90kW with maximum output torque capacity of 11000Nm. The range takes advantage of many years of accumulated design expertise, together with the use of high quality materials and components. The end result is a series of speed reducing and geared motors offering high load carrying capacity, high efficiency, quiet running and reliability. Two stage base mounted motorised The Range Includes Twelve sizes of unit with a ratio coverage of 1.4/1...

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SERIES M UNIT DESIGNATIONS Additional Gearbox Features Additional Motor Features Geared Motor Power Mounting Position Motor Adaptor Output Shaft Motor Codes Unit Version Nominal Overall Ratio Revision Version Gearbox Codes M M 0 3 2 2 8 . 0 B M C - 1 A . 7 5 A - 20 - Additional Gearbox Features Double Oil Seal, Motorised Backstop Etc 1 - Series M Range M 2, 3 - Size of Unit 0 1 Through For Types Without Motor Enter 19 - Additional Motor Features 6, 7, 8 - Nominal Overall Ratio - Base Mounted Letter Entry Depends B 5 (D) Flange Mounted on Flange Diameter - Base and B14 (C) Flange Mounting Dual...

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EXPLANATION & USE OF RATINGS & SERVICE FACTORS Gear unit selection is made by comparing actual loads with catalogue ratings. Catalogue ratings are based on a standard set of loading conditions, whereas actual load conditions vary according to type of application. Service Factors are therefore used to calculate an equivalent load to compare with catalogue ratings. i.e. Equivalent Load = Actual Load x Service Factor Mechanical ratings and service factors Fm and Fs Mechanical ratings measure capacity in terms of life and/or strength, assuming 10 hr/day continuous running under uniform load conditions....

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LOAD CLASSIFICATION BY APPLICATIONS Driven Machine Table 3 U = Uniform load M = Moderate shock load H = Heavy shock load = Refer to Application Engineering log haul-incline log haul-well type log turning device main log conveyor off bearing rolls planer feed chains planer floor chains planer tilting hoist re-saw merry-go-round conveyor roll cases slab conveyor small waste conveyor-belt small waste conveyor-chain sorting table tipple hoist conveyor tipple hoist drive transfer conveyors transfer rolls tray drive trimmer feed waste conveyor Cranes main hoists bridge travel trolley travel Crusher...

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SELECTION PROCEDURE FOR MOTORISED UNITS EXAMPLE 1 DETERMINE MECHANICAL SERVICE FACTOR (Fm) APPLICATION DETAILS Absorbed power of driven machine = 0.7 kW Output speed of gearbox or Input speed of machine = Application = Uniformly loaded belt conveyor Duration of service (hours per day) = 24hrs Mounting position = 1 Ambient temperature = 20oC Running time (%) = 100% Refer to Load Classification by Application, table 3, page 4 63 rev/min Uniformly loaded belt conveyor apron U assembly U belt U bucket U chain U Uniform load Refer to mechanical service factor (Fm), table 1, page 3 Duration of service...

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SELECTION PROCEDURE FOR MOTORISED UNITS 5 CHECK SERVICE FACTOR Service factor (Fm) of selected unit must be equal or more than required service factor. Column Entry Spaces to be filled when entering order Motor Frame Size UNIT DESIGNATION Weight of Base Mount Unit Overhung Load N2 R/MIN Output Speed Service Factor Required service factor of gearbox = 1.25 Selected unit’s service factor (Fm) = 1.48, therefore unit is acceptable. Column Entry Spaces to be filled when entering order Motor Frame Size UNIT DESIGNATION Weight of Base Mount Unit Overhung Load N2 R/MIN Output Speed Service Factor Alternatively...

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SERIES M UNIT VERSIONS UNIT VERSIONS, COLUMN 9 ENTRY - Base Mounted - Flange mount with B14 (C) Flange Mounting (For sizes M01 to M08 only) Flange Mounted Letter Entry Depends on Flange Diameter See tables below Flange Diameter Flange Diameter Unit Size Triple Quadruple

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SERIES M OUTPUT SHAFT OPTIONS OUTPUTSHAFT OPTIONS L11* * Inch shaft has an open ended keyway, therefore no ‘L11’ dimension is required. OUTPUTSHAFT OPTIONS - double, triple, quadruple and quintuple reduction SIZE OF UNIT 01 TYPE OF COLUMN OUTPUT 11 ENTRY SHAFT DIMENSIONS IN MM (Inch Shaft in Inches)

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SERIES M MOTOR ADAPTERS DOUBLE REDUCTION UNITS RATIO COVERAGE UNIT SIZE, NUMBER OF REDUCTIONS, REVISION NUMBER M0122 M0222 M0322 M0422 M0522 M0622 M0722 MOTOR FRAME FLANGE IEC Flanges B14 - Column 12 Entry For Unit Types Column 10 Entries G, H and M Only Limited Availability / Non Preferred RATIO COVERAGE MOTOR FRAME FLANGE IEC Flanges B5 - Column 12 Entry For Unit Types Column 10 Entries G, H and M Only RATIO COVERAGE MOTOR FRAME FLANGE NEMA Flanges C Face - Column 12 Entry For Unit Types Column 10 Entries A, E and N Only

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Series M Helical In-Line

Series M Helical In-Line

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