Dongguan Thor Machinery Co.,Ltd
Dongguan Thor Machinery Co.,Ltd

Tap holder

Friction tapping chuck, it is a nylon friction materials, tapping tools. It has the advantages of small size, light weight, simple structure, smooth, durable.
Nylon unique friction characteristics made ​​as shown in structure from 7:24 within the cone of friction plates, taper shank shell, spindle, pressed block 4, the locking nut 3, tap the fastening screws 2 and a tap. Taper shank machine tool spindle connection, the transmission torque.
When used in the role of the nylon friction plate, shell rotation force transmission to the spindle, driven tap rotation, tapping. If you tap the torque exceeds the friction adjusted by briquetting, slipping between the shell, nylon friction plate and spindle of the three, the spindle stops rotating, the tap is not cut. Open anti-car, the shell through the friction plate, and in turn force transmission to the spindle to drive the tap exit.
Nylon friction plate has a different torque due to elastic deformation, applicable to different specifications of the screw holes of the security overload. Tap near the bottom of the hole, the torque increases sharply, slipping between the nylon friction plate, and has played an overload protection, and noise-free.
Friction plate material, the use of reinforced nylon. Use, and gradually adjust the briquetting, you can attack different specifications thread friction adjust the lock nut.
Such chuck successfully processed nearly ten thousand such as M16 and M18 screw holes of different specifications, safe and reliable.

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