Rush Machinery’s air-bearing end mill grinding fixture enables precision sharpening of end mills, reamers, shell mills and other cutters. The spindle floats on a thin film of air to produce a smooth, even grind. The fixture mounts on the company’s drill and tool grinders and is also available with a universal base to mount on common tool, cutter and surface grinders.
The fixture features a hard-chrome-plated and ground spindle with a 10" stroke. Tools are held by 5C or 5-ST collets or extension bushings for shanks as large as 2" (50 mm) in diameter. The fixture enables OD grinding of any number of flutes and includes a 12-position index plate for end grinding. Other index plates also are available. The micrometer in-feed is graduated in 0.001" (0.04 mm) of diameter. The fixture enables operators to customize end mill geometry to optimize performance, the company says.
Automotive dies and die inserts are often complex, one-off parts with little room for error. Integrity Tool's investments in modular workholding tools and 3D optical scanning have allowed the company to create niche capabilities for its CNC machined parts.
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