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BR Series H

BR Series H
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BR Series H

Product catalog summary
Overview: The document provides a comprehensive overview of the Series H Industrial Gearbox, detailing its specifications, design features, and applications across various industries such as food, energy, mining, automotive, aerospace, and marine propulsion. It emphasizes the company's capability to create custom-engineered transmission solutions and offers a wide range of repair services.
Product Range: The document lists various gearbox series, including Series X, J, C, BD, G, M, H, BS, A, K, and F, each with specific features like torque limiters, helical speed reducers, worm gear units, and more. It highlights the compliance with the ATEX Directive for safe use in explosive atmospheres.
Specifications: Series H gear units are available in in-line and right-angle versions with single to quadruple reduction gear stages, supporting power capacities exceeding 8300 kW. The modular design allows for high interchangeability of parts, offering economic production while maintaining component integrity. The units are fully metric, with shaft extensions and output shaft bores adhering to specific British and ISO standards.
Design Features: Key features include profile ground helical gears for quiet operation, options for horizontal or vertical mounting, and special designs for cooling tower or heavy-duty applications. Units can be equipped with hollow bores for output shaft mounting, and improvements in design are ongoing.
Ordering Information: When ordering, customers need to provide details about the prime mover, driven machine, gear unit type, shaft connections, and any additional information. The document includes a section for customers to fill out their order details.
Design Features and Components: The document describes shaft-mounted and motorized gear units, baseplates, holdbacks, preservation/protection measures, and lubrication systems. It details the use of high-quality materials for gears and bearings, rigid cast iron gearcases, and various cooling methods.
Shaft Sealing Arrangements: Different sealing arrangements are outlined for horizontal mounted gear units, including labyrinth and oil seals, oil lip seals, and combinations thereof, depending on the unit size and application requirements.
Ratings and Selection: The document explains the basic ratings and associated factors for selecting gear units based on service conditions. It provides guidelines for calculating gear unit ratios and required power, considering factors like load classification and service duration.
Applications: The document lists various applications and industries where these gearboxes are used, such as printing presses, pumps, rubber and plastics industries, and more, with specific load classifications and service factors.
Load Classification by Applications: This section categorizes various industrial machines based on the type of load they handle: Uniform (U), Moderate shock (M), and Heavy shock (H). Examples include textile machinery, sugar industry equipment, and compressors, among others.
Selection of Gear Unit Size: The selection process involves determining the type of unit and required power to choose the appropriate gear unit size from the rating tables. Adjustments for mechanical ratings are made based on service conditions, including the number of starts and whether the unit is reversing.
Thermal Check: After selecting a mechanically suitable gear unit, its thermal capacity must be verified. The basic thermal rating capacity is provided, with adjustments for additional cooling methods like fans or cooling water coils. The thermal capacity is adjusted for ambient temperature, duty cycle, air velocity, and altitude.
Examples of Gear Unit Selection:
  • Example 1: A parallel shaft speed reducer for a centrifugal pump requires a cooling coil due to ambient conditions and altitude.
  • Example 2: A shaft-mounted gear unit for a belt conveyor operates adequately without additional cooling.
  • Example 3: A gearbox for a cooling tower fan requires no additional cooling, with adjustments for ambient air velocity.
  • Example 4: Details not fully provided, but involves a gearbox with right-angle shafts for a stirrer shaft.
Adjustment Factors: Tables provide factors for ambient temperature, intermittent duty, air velocity, and altitude, which are used to adjust the thermal capacity of gear units to ensure they meet operational requirements.
Technical Specifications and Performance Data: The document provides detailed technical specifications and performance data for mechanical and thermal systems, focusing on input power, output torque, and efficiency metrics. It includes data tables and notes on forced lubrication and cooling requirements.
Key Sections:
  • Specifications: Lists input power (kW), output torque (Nm), and efficiency percentages across various systems. Efficiency is consistently high, often reaching 98-99%.
  • Performance Data: Detailed tables provide input power and output torque values at different operational conditions, highlighting the mechanical and thermal capabilities of the units.
  • Cooling Requirements: Notes indicate that cooling coils cannot be fitted to vertical units, and forced lubrication is required for certain configurations.
  • Nominal Ratios and Capacities: Discusses nominal output speeds and unit sizes, with specific ratings at 1750 revolutions per minute (RPM) input.
  • Thermal Ratings: Provides thermal ratings with different cooling methods, including fan, coil, and combined systems.
Critical Information:
  • Efficiency remains high across most configurations, ensuring optimal performance.
  • Forced lubrication is necessary for specific units, indicating a need for additional maintenance considerations.
  • Cooling systems are essential for maintaining thermal performance, with specific limitations on vertical units.
Technical Specifications and Dimensions for Stirrer Drives: The document provides technical specifications and dimensions for various types of stirrer drives, specifically focusing on VB2 and VB3 series, which include motorized units, vertical drives, and right-angle shafts. It also includes shipping specifications such as weight and volume for different unit sizes.
Specifications: The document lists different types of drives such as VB2M, VB2 SAM, VB2 STM, VB3M, VB3 SAM, and VB3 STM. It provides detailed dimensions for motor frame sizes and unit sizes, indicating maximum recommended motor lengths and specific dimensions like C, P, F, F2, and QLB.
Dimensions: Dimensions are provided for various motor frame sizes (e.g., D132, D160, D180, etc.) and unit sizes (e.g., 200, 225, 250, etc.). The document specifies the maximum recommended motor lengths and highlights that dimensions for VB2 and VB3 CTM cooling tower units are tailored to customer fan hub requirements.
Shipping Specifications: The document includes detailed shipping specifications, listing weights and volumes for different unit types and sizes. Weights are provided in kilograms and exclude lubricant, while volumes are given in cubic meters.
Contact Information: The document provides contact details for Radicon and Benzlers across various regions including Australia, Europe, Denmark, Finland, India, Sweden, Norway, Thailand, the United Kingdom, and the USA. It includes phone and fax numbers for each location.
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Catalog excerpts

BR Series H-1

with you at every turn with you at every turn Series H Industrial Gearbox

 Open the catalog to page 1
BR Series H-2

PRODUCTS IN THE RANGE 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 angle helical bevel helical geared motors & reducers Series G Helical parallel shaft & bevel helical right angle drive gear units Series...

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BR Series H-3

ATEX Compliance Assured Total compliance with the ATEX Directive safeguarding the use of industrial equipment in potentially explosive atmospheres is assured for users of our geared products. equipment group/category. suppliers of electrical and non-electrical equipment for use in 2 or 3 for surface industries in designated hazardous location 22 for dusts.

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BR Series H-4

Explanation and use of Ratings and Service Factors- 6 - 9 Overhung & Axial Loads on Shafts__23 - 26 Ratings - Input Power / Output Torque--29 - 88 Dimension Sheets - Speed Reducers _ 89 - 106 Customer Outputshaft and Shrink Disk Details - 107 -108 Dimension Sheets - Geared Motors--113 -115

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BR Series H-5

GENERAL DESCRIPTION 9606 Radicon Series H Series H gear units are available in in-line and right angle versions in single, double, triple and quadruple reduction gear stages having a maximum power capacity exceeding 8300 kW. The modular design and construction of the Series H offers many engineering and performance benefits including a high degree of interchangeability of parts and sub assemblies. This in turn provides considerable economies of production whilst maintaining the highest standard of component integrity Single reduction Foot mounted parallel shafts Double reduction Shaft mounted...

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BR Series H-6

UNITDESIGNATIONS & ORDERING * TYPE OF GEARS H - HELICAL GEARS ONLY B - HELICAL & BEVEL HELICAL GEARS TYPE OF UNIT - REDUCER UNIT M - MOTORISED - FOOT MOUNTED S - SHAFT MOUNTED S F - FOOT/SHAFT MOUNTED INFORMATION REQUIRED WHEN ORDERING UNITS PRIME MOVER - Type - electric motor or engine, for example 4 cylinder internal combustion engine - Power rating in kW - Output speed. if variable, indicate speed range and frequency of variation - Dimensions of prime mover - Are bedplate and/or couplings required DRIVEN MACHINE - Type, for example, stirrer, cooling tower, fan, etc - Power rating in kW - Speed...

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BR Series H-7

Shaft Mounted Units Shaft mounted units are of two designs, the first of which is mounted on the driven machine shaft extension and connected to the foundation by torque arm, supplied as an optional extra. Additionally, the foot/shaft design is available for mounting on a baseplate with motor and coupling, the complete assembly being mounted on the driven machine shaft extension and connected to the foundation by a torque arm. All gear units are fitted with a 'shrink disc' device to provide positive clamping on the driven machine shaft extension. It is positioned on the input side of the gear...

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BR Series H-8

Gears High quality alloy case hardening materials provide long life wear resistance and fatigue strength. Profile ground single helical gears and spiral bevel gears lapped in pairs ensure high standards of accuracy, surface finish and quiet running characteristics. Helical gears are fitted in parallel shaft units with shafts at right angles incorporate spiral bevel and helical gears. Bearings Roller bearings are used throughout. Gearcases Gearcases are of rigid cast iron construction with modern styling. Casings are split in the horizontal plane. Inspection covers are provided for viewing gear...

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BR Series H-9

SHAFT SEALING ARRANGEMENTS 9706 SHAFT SEALING ARRANGEMENTS OF HORIZONTAL MOUNTED GEAR UNITS Labyrinth, Flinger and Oil seal <- - - - - - - - - - - - - - - - - - - - - - - Labyrinth, Flinger and Oil seal - - - - - - - - - - - - - - - - - - - - - - -> An additional oil seal, felt seal or grease lubricated seal, may be necessary for certain applications, Please refer to adicon. 5

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BR Series H-10

EXPLANATION AND USE OF RATINGSAND ASSOCIATED RATING FACTORS 9709 Basic Ratings The catalogue mechanical and thermal rating capacity of the Series H gear units are based on a standard set of service operating conditions. The conditions are: i) The unit operates at a uniform absorbed power for 10 hours per day and with no more than one unidirectional start per hour at twice the absorbed power at input shaft to the gear unit. ii) It operates in a large indoor space at an ambient temperature of 20oC with ambient air velocity of 1.4m/sec. iii) The sump bulk oil temperature is 110oC when transmitting...

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BR Series H-11

RAT INGS AND ASSOC IATED RATING FACTORS M = Moderate shock load H = Heavy shock load Driven Machine brew kettles-continuous mash tubs-continuous scale hopper-frequent clay working machinery M Driven Machine bridge travel cutter head drives H auxiliary hoist boom, luffing rotating, swing or slew t tracking, drive wheels t cooling towers induced draft light, small diameter U Food industry Genera tors-not Laundry washers driving processing other line shafts U Driven Machine planer feed chains M planer floor chains M planer tilting hoist M re-saw merry-go-round small waste small waste tipple noist...

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BR Series H-12

EXPLANATION AND USE OF RATINGSAND ASSOCIATED RATING FACTORS 9709 2.4 Selection of Gear Unit Size Knowledge of the type of unit (Section 2.1) and the required power (section 2.3) allows selection of the size of gear unit required from the appropriate gear unit rating table pages 29 to 88. Adjustment of Mechanical Rating for the Service Operating Conditions Adjustment for duration of running has been done via the mechanical service factor Fm. The other adjustment required is for the number of starts or if unit is reversing, this factor Fs is obtained from table 3. Table3. Number of Starts Factor...

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BR Series H-13

EXPLANATION AND USE OF RATINGSAND ASSOCIATED RATING FACTORS Ambient Temperature oC Nominal Ratios Covered Cooling To Type From Including 1.22 2.25 No additional cooling 2.49 3.05 No additional cooling 1.22 1.66 Fan(s) or cooling coil 5.60 8.40 No additional cooling 5.60 9.30 No additional cooling 3.38 5.06 No additional cooling 1.84 2.49 Fan(s) or cooling coil 9.30 25.6 No additional cooling 5.60 9.30 Fan(s) or cooling coil 25.6 38.4 No additional cooling 25.6 28.4 Fan(s) or cooling coil 10.3 18.9 No additional cooling 5.06 10.3 Fan(s) or cooling coil 14 31.4 No additional cooling 14 23.2 Fan(s)...

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All BENZLERS catalogs and technical brochures

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  6. BR Series BS

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  7. BR Series G

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  8. BR Series M

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  9. BR Series C

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  10. BR Series K

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  11. BR Series F

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  12. Series X

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  13. Series G

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*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.