54 Draw bar 2007/10/01
|1. I've purchased a straight collet milling holder which has a
It came without a draw bar, so I made one as shown below.
|2. The draw bar threads are inch pitch and were cut on the lathe. The
material is mild steel.
|3. The draw bar consists of three parts because I didn't have long
enough material on hand.
Also, it is difficult to machine a complete hex length.
|4. The head of the bolt should be formed as shown because the
bolt is hit with a hammer to remove the holder from the
|5. The three parts are assembled with LOCTITE No.271.|
|6. The finished draw bar.|