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Three-jaw power chucks 7102

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Description

Are meant for clamping workpieces, machined on lathes of accuracy class N and P, in serial and mass production conditions.
Chuck works from motorized drive, mounted on a back spindle terminus of a machine.
Adjustment on a required clamping diameter is performed by remounting of jaw hardened inserts by main jaws riffling, thereby required chuck accuracy remains. Accuracy of the chuck with unhardened jaws is reached by boring of jaw inserts after remounting of them on a required diameter.

Dimensions and specifications

Model/Chuck diameter D, mmModificationChuck height L, mmChuck height to base jaw L1, mmGripping range, mmJaw stroke N, mmMaximum speed of rotation, min-1Cylindrical center diameter D, mmSpindle nose size GOST 12593 (DIN 55027)Spindle nose size GOST 12595 (DIN 55026)Cone external diameter, D3, mmCone depth, l1, mmMounting holes position diameter D2, mmMounting holes diameter, d1, ммMounting holes diameter, d2, ммMounting holes diameter, d3, ммNumber of mounting holes, nRod thread size d, mmT-nut width b, mmJaw inserts mounting thread, mJaws tooth pitch, mmJaw stroke K, mmMax draw bar pull, kNMax. total clamping force, kNChuck weight, kg
7102-0070М/2001909515-2006,74500165----133,414--6М2017М121,5875х90°2545001000020
7102-0071М/20029610115-2006,74500--6106,37514133,4--146М2017М121,5875х90°2545001000020
7102-0075М/20039610115-2006,74500-6-106,37514133,4-М12-4М2017М121,5875х90°2545001000020
7102-0072М/2501909615-25084000210----171,418--6М2420М161,5875х90°3065001500036
7102-0073М/25029610115-25084000--8139,71916171,4--186М2420М161,5875х90°3265001500036
7102-0076М/25039610115-25084000-8-139,71916171,4-М16-4М2420М161,5875х90°3265001500036
7102-0077М/25029610115-25084000--6106,37514133,4--146М2420М161,5875х90°3265001500036
7102-0078М/25039610115-25084000-6-106,37514133,4-М12-4М2420М161,5875х90°3265001500036
7102-0080М/315212512830-315103000--8139,71916171,4--186М2725М201,5875х90°4080002000070
7102-0081М/315312512830-315103000-8-139,71916171,4-М16-4М2725М201,5875х90°4080002000070
7102-0085М/400212512830-400103000--8139,71916171,4--186М2725М201,5875х90°40950026000113
7102-0086М/400312512830-400103000-8-139,71916171,4-М16-4М2725М201,5875х90°38950026000113
7102-0087М/400212512830-400103000--11196,86918235--226М2725М201,5875х90°38950026000113
7102-0088М/400312512830-400103000-11-196,86918235-М20-6М2725М201,5875х90°38950026000113
7102-0092М/500212512835-500101500--11196,86918235--226М2725М201,5875х90°38950026000171
7102-0093М/500312512835-500101500-11-196,86918235-М20-6М2725М201,5875х90°38950026000171

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