Myford quick change gearbox bush wear !

Myford quick change gearbox bush wear !

This topic has 5 replies, 4 voices, and was last updated 10 March 2018 at 18:54 by C J.

Viewing 6 posts - 1 through 6 (of 6 total)

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7 March 2018 at 18:56 #344885
C J
Participant
@cj88518
Bush from the right of the box.

Is this normal ?
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7 March 2018 at 18:56 #18870
C J
Participant
@cj88518
7 March 2018 at 19:07 #344888
KWIL
Participant
@kwil
Looks worn out, identify from Myford Parts List?

**LINK**
7 March 2018 at 23:11 #344925
David George 1
Participant
@davidgeorge1
Looks like wrong material it looks like brass not phosphor bronze.

David
8 March 2018 at 01:12 #344936
Neil Lickfold
Participant
@neillickfold44316
That can happen if the box does not have oil in it.
10 March 2018 at 18:54 #345395
C J
Participant
@cj88518
I've now bought a replacement and the worn bush on the left is definitely a different colour to the Myford bush on the right?

What might have some bearing on the wear (no pun intended) is that when I got the lathe home I noticed the lead screw was going tight and loose when rotated, and when I undid the bracket near the tailstock the lead screw sprung down about 5mm and became free rotating, and I think this misalignment was caused by the quadrant which sticks out underneath the end of the quick change gearbox getting a nudge upwards at some time.

How long it has been like that I don't know but I think the misalignment could have been a factor in the wear on the bush.

Edited By C J on 10/03/2018 18:56:52

Edited By C J on 10/03/2018 18:58:18

Edited By C J on 10/03/2018 19:01:28

Edited By C J on 10/03/2018 19:01:54
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