knee mill adjustment

[hdwarner]

to insure the quality of work coming from your bridgport type mill be sure to tram occasionally , they do go out of adjustment

http://www.metalwebnews.com/formulas.../tramming.html

[sdalcher]

It is a good idea to check it before any precision machining. Though I have been guilty of rushing through a setup and then wondering why I have small steps in the face...

[hdwarner]

exactly why i wrote this post
my stupid drill was tapering ,
trying to resharpen and all that jazz come to find out i overlooked the obvious
the head was out about a degree

[sdalcher]

Been there done that... Usually makes me very angry at myself. Laziness combined with being in a hurry usually equates to 2X + the original time.. Sad thing is I have done it more than once