ER modification to prevent table raiser crank damage

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mickyd
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ER modification to prevent table raiser crank damage

Post by mickyd »

When I got the ER10, the table raiser crank was severly bent.
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This was probably due to the crank getting slammed up against the arm when the ER was in the vertical drill press positon. A simple preventive measure is shown below.
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Mike
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shipwright
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Post by shipwright »

Good one Mike. Mine was a little bent too. I just straightened it and didn't think any more about it. I will be making the mod. ...or maybe I'll just be careful in drill press mode but in any case it's a good observation.
Thanks

Paul M
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JPG
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Post by JPG »

Did you put a bumper on the headstock also?
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Post by mickyd »

No. Figured that's reserved for a positive stop.
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Post by mickyd »

shipwright wrote:Good one Mike. Mine was a little bent too. I just straightened it and didn't think any more about it. I will be making the mod. ...or maybe I'll just be careful in drill press mode but in any case it's a good observation.
Thanks

Paul M
I had mentioned that the crank handle probably got bent in drill press mode. I'm adding another possible cause. Sliding the work table / carriage over to the right and knocking it against the arm will also cause the handle to get bent. Had I not had my preventive measure in place, I probably would have bent it yesterday. I went to move the carriage and the wedge locks held on tight. When they let loose, the carriage moved VERY fast (thanks to those nicely polished, previously trashed tubes :D ) and it tunked the carriage bolt / bumper pretty good. Had the carriage bolt not been there, the crank handle would have hit.
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robinson46176
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Post by robinson46176 »

mickyd wrote: and it tunked the carriage bolt / bumper pretty good.


"tunked"? Is that one of those technical engineering terms? :D :D :D
My stuff usually just bonks or bangs.
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