With a surface grinder, take it down before cutting the outline utilizing all the material on the magnetic chuck
. Otherwise, do it by hand.
The machine accommodates a diaphragm or collet chuck, a shoe centerless magnetic chuck
, or a disc drive roll centerless arrangement.The machine is available with an induction-motor-driven precision spindle with infinitely variable speeds up to 120,000 rpm.
Starting at the business end, the RPCSDL has a simple magnetic chuck
, which takes standard hexagonal-shaft screwdriver bits (a set of 12 bits and an extension holder are included) and allows quick changeovers."
A patented magnetic chuck
design by the General Motors team provides for high attractive forces when activated, flexible actuation motions, and with less interference when activating or deactivating the chuck while the engine is mounted on the stanchions.
The fixture accepts the part in a fixed loading position, eliminating manual positioning and setup time that would occur using a magnetic chuck
or jaw chuck.
"We're able to accomplish in one operation what previously took several, and the magnetic chuck
withstands the forces generated by the milling machine, holding and repeating the required tolerances time and again in the process." Walker Magnetics Group
The attachment is equipped with variable speed control from 0 to 150 rpm and is fitted with a 200 mm diameter permanent magnetic chuck
with optional workholding such as circular tables and self-centering chucks.