Diaphragm chucks are ideal for thin-walled parts or parts made with delicate materials, according to the Workholding column in the August 2014 issue of Cutting Tool Engineering magazine.
When turning long parts, the traditional workholding technique is to chuck one end of the part and support the other end with a live or dead center. This is generally effective but has two drawbacks.
Available for Heidenhain, Leine & Linde's 800 rotary encoder series now includes an integrated over-speed capability with programmable switching speeds.