4-jaw hollow power chuck INOFlex®VT-S-VT-S 013
4-jaw hollow power chuck INOFlex®VT-S-NK Works Co., Ltd.

4-jaw hollow power chuck INOFlex®VT-S
NK Works Co., Ltd.


About This Product

■Product overview INOFlex® is a flexible chuck suitable for almost all clamping tasks on modern machine tools. Regardless of workpiece geometry, workpiece material or type of machining, INOFlex® solves all clamping challenges. With four jaws and a patented correction mechanism, rotating workpieces and square timber workpieces can be safely clamped from the center. In particular, the compensation function ensures that all clamping points always have the same clamping force. Various combinations are possible by arranging the four jaws at a 90° pitch. For example, centering clamps can be performed using two opposing jaws. There is no need to do anything to the two unused jaws, and they can be left removed. Therefore, no special preparations are required for centering clamps with two jaws. If a clear reference edge is required, up to two fixed stops can be used instead of the 4-jaw and 2-jaw centering clamps. The two clamping axes each have a defined reference and are equivalent to clamping with fixed jaws. ■Product features ・Patented. Operating principle of 4-jaw correction function ・INOFlex® always applies force evenly to all four claws ■Use examples ``The workpiece has four surfaces, two of which are flat and the other two semicircular, making it almost impossible to clamp them properly with a conventional three-jaw chuck. ” the user recalls. “The advantage of the INOFlex® compensating four-jaw chuck is that component parts can always be correctly centered with high precision.” The workpiece before processing is made of zinc die-casting and has almost no processing tolerances. Needless to say, productivity has been greatly improved by eliminating the need for positioning work, which requires processing hundreds of workpieces each time. ■Application ・Clamping of round, square, rectangular, and irregularly shaped workpieces ・Suitable for parts sensitive to deformation ・Clamping of hollow work/partially hollow work ・Inner diameter clamp/outer diameter clamp ■Technical features ・Concentric correction clamp ・Clamp stroke control

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    4-jaw hollow power chuck INOFlex®VT-S

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9 Models of 4-jaw hollow power chuck INOFlex®VT-S

Items marked with have different values depending on the model number.

Click on the part number for more information about each product

Product Image Part Number Price (excluding tax) Correction (radius) (mm) Diameter (mm) Jaw stroke (radius) (mm) Maximum gripping force (kN) Maximum retraction force (kN) Maximum rotation speed (1/min r.p.m.) Moment of inertia (kg/m²) Piston stroke (mm) Standard hard jaws Standard soft jaws Standard t-nut Through hole (mm) Weight (excluding top jaw) (kg)
4-jaw hollow power chuck INOFlex®VT-S-Part Number-VT-S 013

VT-S 013

Available upon quote 1.8 135 2.7 37.5 15 5,500 0.05 12 - - - 32 6.5
4-jaw hollow power chuck INOFlex®VT-S-Part Number-VT-S 016

VT-S 016

Available upon quote 2.3 168 3.4 50 20 5,000 0.05 15 VG10 VS11 GP05 46 12
4-jaw hollow power chuck INOFlex®VT-S-Part Number-VT-S 021

VT-S 021

Available upon quote 3.3 218 4.3 100 40 3,900 0.19 19 VG12 VS12 GP07 52 26
4-jaw hollow power chuck INOFlex®VT-S-Part Number-VT-S 026

VT-S 026

Available upon quote 4 264 5 125 55 3,500 0.42 Twenty two VG17 VS17 GP11 72 42
4-jaw hollow power chuck INOFlex®VT-S-Part Number-VT-S 031

VT-S 031

Available upon quote 4.4 315 5.5 150 60 3,000 0.89 Twenty four VG16 VS17 GP11 91 64
4-jaw hollow power chuck INOFlex®VT-S-Part Number-VT-S 040

VT-S 040

Available upon quote 5 400 6.2 210 85 2,100 2.69 27 VG21 VS21 GP13 111 119
4-jaw hollow power chuck INOFlex®VT-S-Part Number-VT-S 050

VT-S 050

Available upon quote 4.5 500 6.2 230 90 1,400 7.4 27 VG25 VS25 GP21 142 207
4-jaw hollow power chuck INOFlex®VT-S-Part Number-VT-S 063

VT-S 063

Available upon quote 4.5 630 6.2 230 90 1,100 17.2 27 VG25 VS25 GP21 165 315
4-jaw hollow power chuck INOFlex®VT-S-Part Number-VT-S 080

VT-S 080

Available upon quote 4.5 800 6.2 230 90 900 41 27 VG25 VS25 GP21 165 498

Click on the part number for more information about each product

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