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FNC Quick Change Power Chuck

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The FNC 3-jaw power chuck is a universally applicable wedge style power chuck that offers a quick change jaw system as a standard feature. The jaws for the FNC are European Standard and the top tooling is easily interchangeable with other standard chuck models available in the industry. The patented trapezoidal wedge hook profile allows for the transfer of high gripping forces and optimum efficiency when machining at high speeds, while maintaining high accuracy. The jaw travel time for the FNC chucks is much quicker than most other quick change jaw chucks due to the shorter stroke of the central actuator. Designed to minimize weight, the FNC provides the option of running at higher speeds than most other quick change jaw style chucks.

The FNC has many available mounting adapters, ensuring capability with all common machine spindles. All Forkardt chucks are manufactured from the highest quality materials and are produced in accordance with the requirements of ISO 9001:2000.

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Technical Data
type / size FNC 175 FNC 200 FNC 250 FNC 315 FNC 400 FNC 500 FNC 630
OD diameter [mm] 180 206 257 315 400 500 630
hight [mm] 78 83 100 100 127 138 138
jaw stroke [mm] 7,2 7,2 8,3 8,3 10 12 12
boring [mm] 42 45 72 82 92 125 125
spindle mounting [DIN/mm] Z5 / 140 Z6 / 170 Z8 / 220 Z11 / 300 Z11 / 300 Z15 / 380 Z15 / 380
max. actuating force [daN] 3.000 4.500 6.000 6.000 10.000 12.000 12.000
max. clamping force [daN] 5.500 8.400 10.000 12.000 19.500 24.000 24.000
max. speed [rpm/min] 7.000 6.300 4.500 4.000 3.300 2.200 1.700
weight [kg] 11 15 24 37 68 115 200
All information is subject to change without notice
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