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KQ Front-mounted pneumatic chuck
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KQ Front-mounted pneumatic chuck

The chuck is easily installed, and its connection method follows industry standards, without having to change the original machine tool structure; the cylinder and chuck are integrated and designed, and one chuck can be mounted in front of and at the back of machine tools respectively to use at the same time.
 
Short cylinder front-lock screw connection form.
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The chuck has a big bore diameter, and contains a one-way valve and has the function of reliable clamping;   while the chuck is rotating, the sealing device is in the disengaged position, so it has a long service life.


Working principle: the clamping power source of the chuck is compressed air;   when compressed air flows into the one-way valve through a distributing ring and then into the chuck cylinder, thus to drive the piston, so that the jaw clips a workpiece tightly;   then, the reversing valve is powered off, and the air pressure within the cylinder is sealed by the one-way valve.   The sealing device of the distributing ring is released, not to contact the chuck body, and the equipment can be started for normal work at this time.


Note: because the chuck is ventilated in the clamping and released state, and the special sealing element on the distributing ring clamps the excircle of the chuck body tightly, so the machine tool spindle should stop rotating while the chuck is clamping and releasing the workpiece.




Size parameter

Spec A B C D(H7) E F G H J K L M N O P
KQ04-3 120 15 185 72 140 100 3-M8 90.5 4 100 2 3-M8 1/4 - -
KQ05-3 139.5 32 210 95 140 122 3-M8 116 5 108/120 1.5 3-M8 1/4 43 20
KQ06-3 175 38 252 130 180 154 3-M8 120 5 142 2.5 6-M8 1/4 47 20
KQ08-3 215 52 298 165 220 180 3-M10 127 5 180 2.5 6-M10 1/4 50 20
KQ10-3 260 71 346 206 260 226 3-M12 130 5 226 1.5 6-M12 1/4 50.5 20
KQ12-3 325 105 425 270 320 290 3-M12 168 6 290 2.5 6-M12 1/4 66.5 25

 

Performance parameters

Spec. Permissible pressure
Mpa
Jaw stroke
(diameter)mm
Wedge Angle Maximum static
clamping force KN
lamping force
KN (Kgf)
Maximum speed
r/min
Weight
kg
KQ04-3 0.4-0.8 3.6 14° 39.5 11.2(1142) 3000 10.5
KQ05-3 4.8 15° 68 17.9(1833) 2800 15.5
KQ06-3 5.5 13° 106 32.5(3317) 2300 23
KQ08-3 5.5 13° 160 49(5000) 2000 38
KQ10-3 6 13° 225 68.6(7000) 1800 53
KQ12-3 10 13° 345 105.8(10800) 1400 103

The above data are the standard parameters, personalized customized solutions can be provided according to customer's requirement.


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