CHUCK

• Main Authors: FUJII HIDEJI, HATAJIMA TOSHIKATSU
• Format: Patent
• Language: English; Japanese
• Published: 24.01.2019
• Subjects: BORING; MACHINE TOOLS; MEASURING; MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER,MECHANICAL EFFICIENCY, OR FLUID PRESSURE; METAL-WORKING NOT OTHERWISE PROVIDED FOR; PERFORMING OPERATIONS; PHYSICS; TESTING; TRANSPORTING; TURNING

To provide a chuck capable of confirming grasping force of a work in actual rotation, and capable of automatically and finely adjusting the grasping force based on the grasping force provided in the rotation.SOLUTION: A chuck having a chuck body rotatable around a rotary shaft and a plurality of jaws movably installed in the radial direction on a front face of the chuck body and grasping a work by the plurality of jaws, comprises grasping force adjusting means always projecting to the grasping side from the inside of the jaws and provided so as to be capable of approaching to or separating from the grasping side; and control means for controlling a projection quantity by the approach or separation of the grasping force adjusting means.SELECTED DRAWING: Figure 2 【課題】実際の回転中におけるワークの把握力を確認すると共に、回転中に得た把握力をもとに自動で把握力を微調整可能なチャックを提供する。【解決手段】回転軸を中心に回転可能なチャック本体と、チャック本体の前面に、径方向に移動可能に設置された複数のジョーと、を備え、該複数のジョーでワークを把握するチャックであって、ジョー内から把握側に常時突出すると共に把握側に接近または離間可能に設けられた把握力調整手段と、該把握力調整手段の接近または離間による突出量を制御する制御手段と、を備えている。【選択図】 図２