Jig parts, GB non-standard drill sleeve drill sleeve

Jig parts, GB non-standard drill sleeve drill sleeve 1, the fixed bit holder GB JB / T 8045.1-1999 and non-standard custom processing fixed drill bushing 2, interchangeable drill sets GB JB / T 8045.2-1999 and non-standard interchangeable drill bushing 3 custom processing, quick-change drill sleeve national standard JB / T 8045.3-1999 and non-standard quick-change drill bit holder sleeve custom processing fixed simply using a step drill is mainly used for drilling. Fixed drill bushing is mounted directly in the corresponding holes drilled in the template, so after a fixed drill bushing wear generally can not be replaced. Have fixed drill bushing shoulder and shoulder with two structures: Shoulder is A-type fixed drill sets. Shouldered mainly used for drilling template thin, necessary for holding the drill guide sleeve length, with the shoulder, you can also prevent cutting and coolant drill bit holder falls on the template holes for B-type fixed Drill sets. The lower end of fixed drilling units should exceed the drilling template to prevent the sleeve fixed in order to overcome the disadvantages of the ribbon cutting and increased involvement of the drill bit holder sleeve wear interchangeable drill bit holder can not be replaced after wear, will have interchangeable drill sets. Standard interchangeable drilling Washover have a shoulder on the flange, the bit holder screw head is pressed against the stepped shoulder sleeve so as to prevent rotation of the drill can be changed. Twist to the screw, you can remove the interchangeable drill sets. The use of interchangeable drill sets drilling template, the mounting of the interchangeable drilling units should be equipped with a special bush, you can change the bit holder mounted on the bush, so you can avoid the replacement of damaged drill template drill sets. The actual function can change the drill bit holder and fixed sleeve, like a simple process for the use of drilling. Interchangeable bit holder is used in large quantities for easy drilling liner wear, it can replace rapidly. AGF drill sleeve, high precision, long hole guide, to ensure the accuracy of the drilling position and holes. And lower prices, better quality, long life and is more resistant.