shortbusdriver
Plastic
- Joined
- Jan 17, 2015
I just purchased a new Yougar small hold edm. I am completely new to the EDM game. Most of the holes I wanted to burn are in the .009" - .016" range and are chasing a slightly smaller hole that is around a .040" deep through hole.
I am having trouble with these smaller holes. Here are some of the problems I have:
Through hole in electrode will close off
Electrode will "burn" in the middle (between the guide and the chuck)
Wont burn through (guessing from one or both of the previous)
Leaves slag on the outside of hole
Machine does have a soft start. Using brass electrodes on a somewhat similar material to tool steel. They are fuel injector nozzles for diesels.
Tech guy that set it up couldn't even get the thing to work properly on the smaller holes. It will do ok on the larger holes.
Looking for any tips
I am having trouble with these smaller holes. Here are some of the problems I have:
Through hole in electrode will close off
Electrode will "burn" in the middle (between the guide and the chuck)
Wont burn through (guessing from one or both of the previous)
Leaves slag on the outside of hole
Machine does have a soft start. Using brass electrodes on a somewhat similar material to tool steel. They are fuel injector nozzles for diesels.
Tech guy that set it up couldn't even get the thing to work properly on the smaller holes. It will do ok on the larger holes.
Looking for any tips