Randalthor
Cast Iron
- Joined
- Mar 7, 2018
- Location
- Kansas City
The X axis leadscrew seems fairly acceptable on the machine (backlash about .012 to .015) However, there is a spot where the X axis crank moves, but the table doesn't. It sort of feels like something in the crank "jumps".
At that spot where the crank jumps, I noticed the graduated dial jumps out away from where it normally sits. In other words, while moving the table to the right, it has normal movement, but hits a spot where the table doesn't move, but instead the graduated dial moves a little away from the table, then for the rest of the travel, the table moves normal, without any hitches.
Here is a pic of the dial close to the table.
Here is the same dial the moment it jumps out away from the table If you look closely between the two photos, you can see a small gap. (If you click on the photos, you can get a pretty good closeup.)
Here is another photo where I have stuck a feeler gauge in between the gap. When the dial jumps out, the gap is about .020", otherwise it runs a gap of about .010"
Anyone have any idea what could be causing this?
At that spot where the crank jumps, I noticed the graduated dial jumps out away from where it normally sits. In other words, while moving the table to the right, it has normal movement, but hits a spot where the table doesn't move, but instead the graduated dial moves a little away from the table, then for the rest of the travel, the table moves normal, without any hitches.
Here is a pic of the dial close to the table.
Here is the same dial the moment it jumps out away from the table If you look closely between the two photos, you can see a small gap. (If you click on the photos, you can get a pretty good closeup.)
Here is another photo where I have stuck a feeler gauge in between the gap. When the dial jumps out, the gap is about .020", otherwise it runs a gap of about .010"
Anyone have any idea what could be causing this?