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Rotary Power
SMA Catalogue

SMA Catalogue

Product catalog summary

About Us
Rotary Power is a company with over 50 years of experience in designing, developing, and manufacturing hydraulic motors and pumps. They operate from facilities in the UK and India, focusing on lean manufacturing and continuous improvement, supported by a global network for sales, service, and production.

Our Business
Rotary Power emphasizes customer partnerships, offering flexible design, delivery, and service, and values supply chain partnerships to exceed customer expectations.

Our People
As part of the British Engines Group, Rotary Power invests in recruitment and career development, offering apprenticeship and graduate schemes to nurture engineering talent.

Our Future
Innovation is encouraged in product design and internal processes, ensuring Rotary Power remains at the forefront of customer and sector-led innovation.

SMA Range
The SMA heavy-duty motor features a radial piston, eccentric shaft configuration, offering displacements from 200 to 16,400 cc/rev. It withstands high mechanical and hydraulic shock loads, providing excellent life and continuous high power use. Key features include high pressure, high power, high speed, fixed displacements, robustness, free wheel capability, and fluid versatility.

Rotating Case Option
For types E1, E1 high power, and B1, the motor can be built in rotating case form, eliminating the need for a distributor.

Multiple Displacement Option
Type C2 motors achieve multiple displacements via an integrated pilot-operated selector valve, allowing speed and torque changes while under load.

Free-Wheel Ability
The motor allows free piston retraction when isolated from the system, enabling the cylinder block to orbit with minimal resistance.

Fluid Specifications
Fluid type HL; HLP to DIN 51524, with viscosity and temperature ranges specified for optimal operation.

Configurations
Various motor types are available, each capable of operating up to 490 bar and designed for specific applications, including mobile, marine, and industrial drives.

Options
Special features include various output shafts, case mounting options, performance enhancements, seal materials, and port blocks for E1 motors.

Service
Service activities should be conducted by Rotary Power or approved sources, with a full factory service available for overhauls.

Motor Order Code
Motor specifications, including shaft type, seals, and valves, are determined at the time of ordering.

Power Envelopes
Power capabilities are detailed for different motor types, with charts illustrating torque and speed relationships.

Technical Data Notes
Notes provide guidance on intermittent values, pressure maintenance, case pressure, fluid compatibility, and temperature considerations.

Calculations
Formulas for torque, flow, and power conversions are provided, with typical efficiency values for performance estimates.

Technical Document Summary

1. Specifications
The document provides detailed specifications for various motor types, including SMA Rotating Shaft Motor Type C1 High Power, SMA Rotating Case Motor Type E1 Standard, and SMA Dual Displacement Rotating Shaft Motor Type C2. Key specifications include nominal displacement, geometric displacement, maximum speed, torque, power, differential pressure, and flow rates.

2. Performance Data
Performance data is provided for different motor types, detailing maximum continuous and intermittent speeds, torque, power, and pressure. The data includes both metric and imperial units, offering a comprehensive view of motor capabilities under various conditions.

3. Dimensional Data
Dimensions for each motor type are specified in millimeters and inches, covering aspects such as diameter and length of various components. This section ensures compatibility and fitment in different applications.

4. Pressure and Torque
The document outlines maximum differential pressures, return pressures, and case pressures, along with starting torque values at maximum continuous and intermittent pressures. These parameters are crucial for understanding the operational limits and efficiency of the motors.

5. Weight Information
Approximate weights for each motor type are provided in kilograms and pounds, which are essential for handling, installation, and transportation considerations.

6. Recommendations
For specific motor types, the document suggests contacting Rotary Power for additional speed data, indicating the importance of tailored solutions for unique operational requirements.

Conclusion
This technical document serves as a comprehensive guide for understanding the specifications, performance, and operational limits of various motor types, providing essential data for engineers and technicians in the field.

Overview: This document provides technical specifications, installation procedures, and operational guidelines for Rotary Power SMA motors. It includes detailed information on motor capacities, dimensions, shaft details, and installation requirements.

Specifications: The document lists motor capacities ranging from 200 cc/rev to 16,000 cc/rev, with corresponding weights and dimensions. It provides detailed measurements for various components, emphasizing the importance of precise alignment and fitting.

Installation Procedures: Key steps include examining the motor for transit damage, ensuring cleanliness around protective plugs, and following specific mounting instructions. The document stresses the importance of using all fixing holes and matching clearance holes in the mounting bracket.

Shaft Details: Two standard shaft types are offered: cylindrical with a parallel key and splined. Recommendations are provided for minimizing axial and radial loads to extend bearing life. Specific assembly instructions are given for different motor models.

Case Drains and Radial Loads: Instructions for installing drain ports and managing case pressure are provided. The document highlights the motor's capability to handle high radial and external loads.

Fluids and Sealing: The motor is compatible with various hydraulic fluids, with derating factors specified for different fluid types. Standard motors are fitted with nitrile sealing systems, with Viton seals available for high-speed applications.

Operational Guidelines: Detailed steps for system assembly, start-up, and maintenance are outlined. The document emphasizes the importance of maintaining correct fluid levels, checking for leaks, and ensuring secure connections.

Notes: The document concludes with contact information for Rotary Power in Germany, providing a point of contact for further inquiries.

Catalog excerpts

RADIAL PISTON MOTORS

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ABOUT US Rotary Power specialises in the design, development and manufacture of hydraulic motors and pumps. With a history dating back over 50 years, we understand the exacting and demanding requirements of today's hydraulic applications. Operating from 18,000 sq. m. of purpose built manufacturing facilities in the UK and India, we continue to invest in the latest CNC machinery, automation and testing facilities. We have a clear focus on continuous improvement in lean cellular manufacturing. These facilities, alongside our European and US operations, offer sales, service and production support...

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CONFIGURATIONS HEAVY DUTY MOBILE, MARINE AND INDUSTRIAL DRIVES ROTATING SHAFT C1 MOTOR Can operate up to pressures of 490 bar and may experience external loading. ROTATING SHAFT C1 HIGH POWER MOTOR Can operate up to pressures of 490 bar and may experience external loading and higher than standard running speeds. ROTATING SHAFT C2 (DUAL DISPLACEMENT) MOTOR Can operate up to pressures of 490 bar and may experience external loading. Used in applications which require a wide speed range from limited pump flows. The SMA heavy duty motor is of radial piston, eccentric shaft configuration. The motor’s...

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MOTOR ORDER CODE PRODUCT DISPLACEMENT TYPE Sequential reference number determined by Rotary Power according to motor build specification* 'Individual motor specification including shaft type, seals, valves and other options will be established at the time of ordering when the build reference number is issued. A number of special features can be applied to the SMA motor. Please contact us for individual application requirements. OUTPUTSHAFTS • Male keyed and splined shafts to special, metric, imperial and SAE standards • Female plain, keyed and splined shafts to metric, imperial and SAE standards...

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POWER ENVELOPES The below power capabilities should be read in conjunction with the technical data charts for each motor type. These charts are based on maximum continuous values for C1 standard and high power motors. Other types may vary.

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TECHNICAL DATA NOTES The notes below correspond with the numbered data in the following datasheets. 1. Intermittent values up to the maximum shown may occur for up to 10% of every minute as part of a known duty cycle, subject to approval. 2. Whether or not the motor shaft is rotating, positive gauge pressure must be maintained at both main ports at all times whilst the motor is under load. Boost pressure should not be less than 7 bar above case pressure with a fluid viscosity of 30 cSt. When utilising higher viscosities, higher boost pressures will be required. For over-running conditions, please...

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Nominal displacement (cc/rev ) [in3]

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Nominal displacement (cc/rev) [in3]

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Nominal displacement (cc/rev) [in3]

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Nominal displacement (cc/rev) [in3]

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PERFORMANCE DATA SMA ROTATING CASE MOTOR TYPE B1 STANDARD PERFORMANCE DATA SMA DUAL DISPLACEMENT ROTATING SHAFT MOTOR TYPE C2 Nominal displacement (cc/rev) [in3] Nominal displacement (cc/rev) [in3] Please contact Rotary Power for second speed data.

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ROTATING SHAFT C1 & C1 HIGH POWER MOTORS TE TATISG CASE Cl METETS The dimensions shown above are approximate and subject to change without notice. Before finalising your installation, please ask for a copy of the latest issue drawing. Rotary Power SMA 122175 21 22 Rotary Power SMA 122175

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GENERAL The following information is for general guidance only. Contact Rotary Power to discuss individual applications. • Always examine the motor externally to check that damage has not occurred during transit • Ensure the areas around the protective plugs are clean and remove all protective coatings • Do not remove protective plugs from the main ports or drain connections until the system flushing is complete. Once plugs are removed, immediate connection to the circuit should be made CASE MOUNTING Provision is made for locating the motor by means of a spigot diameter on the motor crankcase....

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MOTOR INSTALLATION During system assembly thoroughly descale, clean and flush the pipework, fittings and the reservoir. Fill the systems with new filtered fluid ensuring that it meets the required viscosity specifications at envisaged operating temperature, type and cleanliness for all components. The motor case must be filled through the motor case drain port on a rotating shaft motor, or through one of the case vent ports located in the crankcase on a rotating case motor. Ensure that the case drain line is filled and all connections are tightened. 2. Check the rotation flow information provided...

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UK Rotary Power Waldridge Way Simonside East Industrial Park South Shields Tyne and Wear NE34 9PZ T: +44 (0) 191 276 4444 F: +44 (0) 191 276 4462 E: [email protected] Germany Rotary Power Lukasstrahe 25a 52070 Aachen Germany T: +49 (0) 241 955 190 E: [email protected] USA Rotary Power Inc. 3952 West Tickman Street Unit 4 Sioux Falls SD 57107 T: +1 (605) 361 5155 F: +1 (605) 362 1949 E: [email protected] India Rotary Power 6A, Attibele Industrial Area Anekal Taluk Bangalore 562 107 T: +91 (80) 782 0011 F: +91 (80) 782 0013 E: [email protected] © Rotary Power Ltd 2020....

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