This precision cylindrical grinding fixture will give you unmatched center grinding
capabilities. Manufactured by skilled craftsmen, this precision tool will allow you to grind
parts to within 50 millionths tolerance on your precision surface grinder. Our gear belt drive
system will allow you to wet grind without any problem of drive belt slippage. Our powerful
drive motor gives you the ability to literally take off as much stock per pass as you desire.
Couple this with the cost savings of being able to quickly install it on the Precision Grinding
Systems sine plate assembly in less than 2 minutes with no indicating required; and you’ve
got a system that will let you grind parts quickly and accurately. With this unique patent
pending technology, not only are the production problems eliminated, but the set up
problems are eliminated as well.
capabilities. Manufactured by skilled craftsmen, this precision tool will allow you to grind
parts to within 50 millionths tolerance on your precision surface grinder. Our gear belt drive
system will allow you to wet grind without any problem of drive belt slippage. Our powerful
drive motor gives you the ability to literally take off as much stock per pass as you desire.
Couple this with the cost savings of being able to quickly install it on the Precision Grinding
Systems sine plate assembly in less than 2 minutes with no indicating required; and you’ve
got a system that will let you grind parts quickly and accurately. With this unique patent
pending technology, not only are the production problems eliminated, but the set up
problems are eliminated as well.
At the heart of the cylindrical grinding fixture, is a precision honed and lapped Zirconia
ceramic bearing sleeve in which the head stock dead center is match lapped fitted to. While
there is an incredible amount of torque available to the drive pulley and the drive dog, none is
transmitted to the head stock center because of our design that incorporates a bearing
carrier. A retraction amount of 15/32” of the head stock center allows for even larger
diameter mandrels to be taken off and on with no problems. A fine pressure screw on the
head stock allows for any minimal clearance between the precision Zirconia bearing sleeve
and the dead center to be negated. Also available is an 18” fixture plate which allows you to
grind longer parts. Another unique feature of our system is that when grinding angles or
chamfers, you have the ability to move the fixture on the Y axis towards the grinding wheel
without having to move the entire base plate assembly. This is done by unscrewing 4 bolts
and sliding the fixture plate in the precision sine plate assembly and relocating the fixture to
your desired position. This is all done quickly and accurately.
ceramic bearing sleeve in which the head stock dead center is match lapped fitted to. While
there is an incredible amount of torque available to the drive pulley and the drive dog, none is
transmitted to the head stock center because of our design that incorporates a bearing
carrier. A retraction amount of 15/32” of the head stock center allows for even larger
diameter mandrels to be taken off and on with no problems. A fine pressure screw on the
head stock allows for any minimal clearance between the precision Zirconia bearing sleeve
and the dead center to be negated. Also available is an 18” fixture plate which allows you to
grind longer parts. Another unique feature of our system is that when grinding angles or
chamfers, you have the ability to move the fixture on the Y axis towards the grinding wheel
without having to move the entire base plate assembly. This is done by unscrewing 4 bolts
and sliding the fixture plate in the precision sine plate assembly and relocating the fixture to
your desired position. This is all done quickly and accurately.
While taper can be set by adding feeler gages under the sine bar, there is also a quick
adjustment set screw on the top sine plate which allows you to manually add taper by
turning it. This feature is very handy for grinding slight taper in your grinding mandrel if you
are going to O.D. grind bushings off of their I.D. to obtain concentricity.
Base plate is A2 and the Head Stock and Tail Stock are manufactured out of 4140. Base
plate and head stock and tail stock can be manufactured out of 440 Stainless for a slight
surcharge.
adjustment set screw on the top sine plate which allows you to manually add taper by
turning it. This feature is very handy for grinding slight taper in your grinding mandrel if you
are going to O.D. grind bushings off of their I.D. to obtain concentricity.
Base plate is A2 and the Head Stock and Tail Stock are manufactured out of 4140. Base
plate and head stock and tail stock can be manufactured out of 440 Stainless for a slight
surcharge.
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