TECHNOLOGY IN ACTION ADVERTORIAL


New from Ruland! Expanded range of bellows couplings: Highly accurate, zero backlash and maintenance free R


uland Manufacturing has expanded its line of bellows couplings to include an outer diameter of 57 mm,


allowing for larger bore sizes and increased torque and torsional stiffness capabilities. Designers prefer to specify bellows couplings in servo driven systems due to their high accuracy and repeatability. This size expansion now allows for bore sizes up to 32 mm in a clamp style design with or without keyways. Ruland bellows couplings are an assembly of two


hubs and a thin-walled metallic bellows. Hubs are manufactured from aluminium for light weight and low inertia. They are joined together by a thin walled stainless steel bellows, allowing the coupling to remain flexible under high torsional loads. Bellows couplings can accommodate all forms of misalignment and size for size have the greatest torque and torsional stiffness capability in Ruland’s servo coupling product line. The increased range gives bellows couplings consistent


outer diameters and bore sizes with other Ruland servo couplings including disc, jaw, and oldham couplings. They


are the most accurate of the Ruland manufactured servo couplings and are ideal for linear applications commonly found in printing, semiconductor, solar and robotics. They are zero-backlash and have no moving parts for a long maintenance-free life. Ruland manufactures bellows couplings with a


balanced design for reduced vibration at speeds up to 10,000 rpm. They are available in inch, metric, and inch to metric bore sizes, with or without keyways from 1/8 inch to 1-1/4 inch and from 3 mm to 32 mm. Non- standard designs such as special bore sizes, custom bore tolerances, and stainless steel hubs are available upon request. Bellows couplings are part of Ruland’s motion control


coupling product line which also includes beam, controlflex, disc, oldham, slit and zero-backlash jaw couplings. They are carefully manufactured in Ruland’s Marlborough, Massachusetts factory under strict controls using proprietary processes. 3D CAD files, full product specifications and installation videos are available on www.ruland.com.


CONNECTINGINDUSTRY.COM/DESIGNSOLUTIONS


Summary: • Expanded outer diameter allows for greater amounts of torque and torsional stiffness


• Bore sizes to 1-1/4 inch and 32 mm • Zero-backlash with no moving parts for a long maintenance-free life


• Made from aluminium hubs and stainless steel bellows for reduced weight, increased strength and suitability for high rpm applications up to 10,000 rpm


• RoHS3 and REACH compliant • Carefully made in Ruland’s Marlborough, Massachusetts factory and available for immediate delivery


Ruland Manufacturing Co., Inc. u +1 508 485 1000 u marketing@ruland.com u www.ruland.com


Ruland's UK distribution partner: Acorn Industrial Services Ltd. u www.acorn-ind.co.uk


DESIGN SOLUTIONS | OCTOBER 2020 39


Page 1  |  Page 2  |  Page 3  |  Page 4  |  Page 5  |  Page 6  |  Page 7  |  Page 8  |  Page 9  |  Page 10  |  Page 11  |  Page 12  |  Page 13  |  Page 14  |  Page 15  |  Page 16  |  Page 17  |  Page 18  |  Page 19  |  Page 20  |  Page 21  |  Page 22  |  Page 23  |  Page 24  |  Page 25  |  Page 26  |  Page 27  |  Page 28  |  Page 29  |  Page 30  |  Page 31  |  Page 32  |  Page 33  |  Page 34  |  Page 35  |  Page 36  |  Page 37  |  Page 38  |  Page 39  |  Page 40  |  Page 41  |  Page 42  |  Page 43  |  Page 44