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PM-833T MITUTOYO QUILL KIT

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RIMSPOKE

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#1
ONE OF THE BEST MODS I DID TO MY PM-833T WAS TO ADD A POSITIVE QUILL STOP .
THE FACTORY ITEM IS TOTALLY INADEQUATE AND MOVES EVERY TIME YOU TAP IT .

WHAT I CAME UP WITH WAS WAY OVERBUILT AND VISUALLY IN THE WAY .
THE NEW VERSION IS GREATLY STREAMLINED .

I MANAGED TO SCORE A MITUTOYO QUILL KIT FOR A BRIDGEPORT AND HAVE
SPENT A YEAR THINKING ABOUT THE BEST WAY TO INSTALL IT ON THE PM MILL .

THESE THINGS ARE IN THE WAY ALL OVER THE PLACE ON A BRIDGEPORT .
SO I WANTED TO KEEP IT MORE ERGONOMIC THAN THE TYPICAL INSTALLATION .

THEY ALSO MOVE WITH THE QUILL ALL THE TIME EVEN WHEN NOT IN USE .

SO HERE IS WHAT I CAM UP WITH .

MY STOP COLLAR IS A TWO PIECE DESIGN & WORKS LIKE A CLAMP ON THE QUILL .
IT IS SECURED BY TWO 1/2-20 BOLTS ON THE BACK & HOLDS THE QUILL STOP ROD QUITE SOLIDLY .

THERE IS A "SHELF" ATTACHED TO THE FRONT OF THE MILL FOR THE INTELLIGENT NUT TO BUMP AGAINST .
ON THE NEW VERSION I ADDED A SLOT FOR THE QUILL READOUT SCALE TO GO THROUGH .

THE READ HEAD IS MOUNTED TO A PLATE THAT IS ATTACHED TO THE FRONT PLATE ON THE MILL .
THIS PLATE COVERS THE ORIGINAL NOW UNUSED QUILL STOP HOLE & SCALE .
NONE OF THIS OBSTRUCTS THE SERIAL # & MANUFACTURE DATE ON THE MILL

I MADE A SMALL BRASS CLAMP FOR THE END OF THE SCALE THAT HOLDS A MAGNET .
THIS MAGNET CAN BE STUCK TO A STEEL BLOCK THAT MOUNTS ON THE MOVING COLLAR
SO THE SCALE RIDES UP AND DOWN WITH THE QUILL .

IT ALSO CAN BE LIFTED AND STUCK TO THE BOTTOM OF THE SHELF WHEN THE QUILL READOUT IS NOT IN USE !
I AM SO HAPPY WITH THE WAY THIS TURNED OUT THAT I WANTED TO SHARE .

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mikey

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Dec 20, 2012
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#2
Nicely done!
 

Tekwip

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Apr 2, 2017
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#3
I have been wondering about how to approach this on my PM 833T. Thanks for the ideas.
 
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