1. Features and uses of ER telescopic tapping chuck

The ER telescopic tapping chuck is characterized in that: the ER telescopic tapping chuck is composed of an outer sleeve, an inner sleeve and other components. The outer sleeve and the inner sleeve are connected by inner and outer hexagons, and the inner sleeve can move axially within the outer sleeve; its structure is simple Novel, quick and convenient to use, avoid the slip of the tap, effectively compensate the pitch, and have high thread processing accuracy; it is used in conjunction with the collet body and the pressure cap, and is widely used in drilling, milling and other equipment, which is an ideal The fixture device. .

2. How to use ER telescopic tapping chuck

1. Place the tap in the working hole of the ER telescopic tapping chuck with a suitable diameter. The square of the tail of the tap is aligned with the top screw hole at the back of the chuck, and the top screw is evenly tightened to lock the tap.

2. Put the ER telescopic tapping chuck into the eccentric hole of the matching pressure cap.

2. Put the ER telescopic tapping chuck into the inner taper hole of its matching chuck body, tighten the compression cap to lock the chuck, and perform tapping operation, and loosen the compression cap to replace the chuck and tap.






 

 
We also could supply the other type Overload protected tapping chuck, details as below :