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PRODUCTS, INC.
Toolholder Deformation
When a standard retention knob is installed, the threads place a torsional stress onto the thin walls of a toolhoolder. This stress causes the deformation of the precision taper of the toolholder and prevents the toolholder from properly mating with the spindle of a CNC machine. This expansion can reduce taper contact by as much as 70% and, therefore, no longer meets the AT3 taper tolerance specifications. (Referencing ISO 1947 angular taper tolerance (AT) specification for the toolholders is “AT3 or better”).
The Problem
Fretting Marks On Toolholder Poor Spindle Life Chatter
Harmonics Non-deformed Toolholder Short Tool Life Run Out Deformed Toolholder High Torque
Retention Knob The Solution
Torsional Stress AT3 Fretting Marks
High Torque Retention Knobs use a precision pilot and a relief below the flange to place the force of the threads into a deeper cross-section of the toolholder. This patent-pending design, along with proper installation, will not deform the taper of the toolholder. High Torque Retention Knobs require a retention knob socket and torque wrench for installation. Packaging includes installation instructions and torque settings.
The Promise
Increase Tool Life Faster Feeds and Speeds Improve Toolholder Rigidity
Variable Tool Height and Position Proudly Made in OHIO
Money Back Guarantee, if you are not satisfied. 1-800-322-7750 or 440-357-1234
www.jmperformanceproducts.com
Try A Free Sample Today!
Fully Seated With Spindle
Minimum Taper Contact
Limited Taper Contact
Limited Taper Contact
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