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U.S. gear manufacturers have traditionally used an imported center for hobbing, cutting and grinding. Many of these companies have expressed their preference for a source of American-made centers with comparable quality, lower cost, quicker delivery, and faster turnaround on repairs.
Riten Industries now offers its "Raptor" series, specially-engineered live centers that are available for immediate delivery through its extensive distribution network. Concentricity is well within standard industry tolerances, and purchase costs are well below that of the imported product. Repairs are made in the U.S, with turnaround times as little as two weeks.
Accuracy of Raptor centers is guaranteed to +/-0.00005". They are designed with a small shell diameter to provide extra tool clearance. Models are in stock with standard and extended tracer points, in 3 and 4 Morse Taper. A 2 Morse Taper will be available in late 2013.
Related Glossary Terms
- centers
centers
Cone-shaped pins that support a workpiece by one or two ends during machining. The centers fit into holes drilled in the workpiece ends. Centers that turn with the workpiece are called “live” centers; those that do not are called “dead” centers.
- clearance
clearance
Space provided behind a tool’s land or relief to prevent rubbing and subsequent premature deterioration of the tool. See land; relief.
- grinding
grinding
Machining operation in which material is removed from the workpiece by a powered abrasive wheel, stone, belt, paste, sheet, compound, slurry, etc. Takes various forms: surface grinding (creates flat and/or squared surfaces); cylindrical grinding (for external cylindrical and tapered shapes, fillets, undercuts, etc.); centerless grinding; chamfering; thread and form grinding; tool and cutter grinding; offhand grinding; lapping and polishing (grinding with extremely fine grits to create ultrasmooth surfaces); honing; and disc grinding.
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