Short Project - Making a new Drawbar

Описание: This is the first little modification I did to my new milling machine.
About 3 weeks ago I got my new machine, a Wabeco 11200 benchtop milling machine which needs some improvements and upgrades in the future. The first thing I had to modify was the drawbar.
A drawbar is used to hold the tools for milling firmly in the milling spindle. Unfortunately on this machine it was just a regular M10 screw. For releasing or changing the tools again you had to hammer on top of the drawbar and thus directly onto the milling spindle. This is pretty bad for the spindle bearings and the whole spindle assembly.
So I made a better version, including making a new drawbar and a new retaining collar so tools can be released in a much better way just by unscrewing the dawbar, pressing the tools out of the spindle again.

I hope you find this little episode interesting.

Detailed video on my new Wabeco milling machine here:    • After 3 years finally a new machine - did ...  

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WCDTB

00:00 What is a drawbar?
00:30 A bad design
01:02 Making the new drawbar
06:30 Making a new retaining collar
09:00 Final assembly and demonstration