Bridgeport Knee Chip Guards

Dave K2 · Jun 5, 2016

Can anyone let me know if the larger part of the lower knee chip guard goes to the rear or front of knee :confused:

I forgot to mark it when i stripped it down :rolleyes5:

Thanks

abarnsley · Jun 8, 2016

You can kind of see in the parts section here http://hardingeus.com/usr/pdf/Knee Mills/SeriesIPartList4302Plus.pdf

The rectangular hole is the key.

Dave K2 · Jun 9, 2016

Thanks, thats a better picture than my manual, lookalike the bigger part is the rear.

I see they also fitted thrust bearings to the lead-screws instead of standard ones and a thrust bearing to the knee lift and change the backlash adjust method.

comstockfriend · Jun 10, 2016

When the feed nut bracket ('dog bone') on the saddle pulls them up to the front of the knee, both chip guards are approximately flush with the front of saddle and the knee.

John

Dave K2 · Jun 23, 2016

Ok, thanks for that.

thouchin · Nov 6, 2018

The PDF is no longer available and I cant find it on their site.

I am in the same situation as the OP so I tried all 4 combinations. The one that gives the most travel is having the larger parts in the front for both the upper and lower. In fact, the length of the front and rear sections of the guard line up very closely with the length of the front and back sections of my knee. Front is about 5 5/8" and rear is about 4 5/8".

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Bridgeport Knee Chip Guards

Dave K2

Stainless

abarnsley

Titanium

Dave K2

Stainless

comstockfriend

Hot Rolled

Dave K2

Stainless

thouchin

Plastic

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