The newly designed H8OR.MAC from Hirschmann Engineering Inc. USA, combined with the H1680. AC4 variable speed AC control, makes the production of miniature round parts with small diameters and finer finishes possible. The H8OR.MAC incorporates special bearings, minimum radial run out, and variable high-speed control.
Unlike grinding, there are no side forces from wheel contact. Smaller diameters without deflection are possible. In addition, contour shapes are programmed in the EDM control, eliminating contoured wheels and reducing set-up times. Some of the product uses include core and ejector pins for micro molds, medical applications, electrodes for sink EDM, and micro pump parts.
Developed in conjunction with the Institute for Mikrotechnik Mainz GmbH Germany, this new spindle along with refined generator settings of the wire EDM, allows the EDM turning of diameters down to 0.05 mm (0.002-in.) with surfaces to Ra 0.2.
Explore the March 2006 Issue
Check out more from this issue and find your next story to read.
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