Tolerances and Design Specifications

Toolholders

Introduction

Anti-friction rotary toolholders are a combination of a solid toolholder with an exterior bearing assembly. They are far superior to solid toolholders because they eliminate the friction and wear between the holder and the support bushing. Due to their friction free bearing construction operating temperatures are lowered, permitting higher speeds. Their compact construction allows for close center to center distances and are used where space constraints do not allow a rotary bushing. Rotary toolholders are commonly used to replace solid holders in existing machinery because they can usually be incorporated requiring no modifications to the machine.

Specials

Special toolholders and modified standards can be designed for specific applications. Rotary toolholders can be furnished with tapered shanks, special O.D.’s, special lengths, etc.. In an effort to provide the metal working industry with a wide selection of rotary toolholders Gatco, Inc. will design a toolholder to fit your specific requirements. Contact Gatco and send your requirements for an immediate design and quotation.

Standard GATCO Manufacturing Tolerances

Tolerances - Outside Diameter

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Tolerances - Shank Diameter

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Tolerances - Socket Runout

Note: Socket dimensions and tolerances are based on the specific manufacturers specifications or standards. Contact Gatco for socket specifications to fit your tool.

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Recommended Fitting Tolerance

Note: Special size and run out tolerances ( T.I.R.) for rotary bushings and rotary toolholders are available on request.