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peterg1000 wrote: Hi Iab,
Silly question, but is the ER11 collet properly mounted in the nut - it should have "clicked" as you pressed it in. You have to get it oriented correctly before it is easy to press it home.
peterg1000 wrote:
Not really sure which part you refer to as "bagel". Is it the thread on the spindle?.
peterg1000 wrote:
There is some distortion in your pictures that make it difficult to confirm that the spindle itself is OK - I assume it all fitted together properly when you first got it.
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Doug wrote: Is the thread stripped? It is difficult to discern from your photograph but it looks like that might have happened if you cross threaded the nut.
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peterg1000 wrote: Do you have access to some very fine watchmakers needle files - you may be able to remove some of the damaged parts of the thread so as to get the nut past that point. Not sure about any damage to the thread in the nut - almost impossible to repair so you may have to sacrifice that one if it is badly damaged.
A trick that sometimes works is to hold the nut very firmly in a vice and screw in the mating thread keeping the threaded part at 90 degrees - if you trim the spindle thread first to remove the worst of the damage. This may get you going again.
It is a fairly brutal way to treat a precision thread, but it is damaged anyway!!
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