Renold manufactures worm gears using the ‘Holroyd’ tooth form which conforms to British standard 721. The leaving side contact pattern provides for a good oil entry which results in the following benefits:
Increased lubrication
Increased efficiencies
Smoother running
Renold worm gears are widely respected for performance and reliability in a wide variety of drives ranging from large steel mill screw down mechanisms to high precision dual lead machine tool and rotary positioning systems.
Unrivalled Accuracy
Although Renold produces worm gears to BS 721, for greater control of manufacturing tolerances we use DIN 3962 and DIN 3974 for specifying grades of quality. Manufacturing quality is backed up by the latest inspection techniques and for high precision gears sets we can supply, in graph format, results of pitch, profile and transmission variations over 360 degrees of the worm gear set.
Approvals
Renold Gears is BS EN ISO 9001:2008 approved. All products are designed and manufactured within this Quality Assurance system.
Applications
Mining, Coal cutting machines, axle drives, civil engineering, cranes, trucks, dumpers, steel plants, screwdowns, wire and tube drawing, automotive, oil pump, fuel injection, power, coal pulverisers, steam turbines, machine tools, indexing heads, rotary tables
Type : worm
Teeth : spiral
Other characteristics : shaft, precision, steel
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