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ER collet chuck for milling work
ER8/11/16/20/25/32/40/50 collets are made of high quality elastic steel 65Mn
All kinds of cnc machine tools accessories such as collets,toolholder , vise and atc tools are available here .welcome to send me you inquiries.
1.Using torsional spring indicator(as below) of 0.001mm division value. 2.The accuracy of inspection tool is 0.002mm, collet every turn 90 ° measuring once, collet turn four times ,take a peak as the ultimate accuracy value, high precision of no more than 0.005mm for 0.005mm, high precision of not more than 0.008mm for 0.008mm. 3.Accuracy of 0.005mm collet need to strengthen the heat aging treatment, take stable precision and size effect, the again detection accuracy is not high than 0.005mm and then determine the accuracy as0.005mm.
Insert groove of collet into eccentric ring of the clamping nut at the mark on the bottom of the nut. Push collet in the direction of the arrow(as per below pic) until it clicks in place. Screw nut with collet onto toolholder. We recommend tightening the nut with a torque wrench.
After the nut is unscrewed from the toolholder, press on the face of the collet while simultaneously pushing sideways on the back of the collet opposite the mark until it disengages from the clamping nut as per belwo pic.
Material and stock
BoRui Machine Tools Accessories Factory was founded in 2005. Over the years, BoRui takes “Quality changes the world” as his mission and has been dedicated to creating a worldclass brand for his country China. In 2016, Dezhou BoRui Precision Co.,Ltd was established to start the bright journey by serving international market.
BoRui Precision is dedicated to R&D,Production and Sales of machine tools accessories. Main products are collets, tool holders, precision vises, lathe chucks and others. BoRui owns all kinds of cnc machines of around 150 sets. There are more than 200 technical workers. The annual turnover exceeds 80 millions RMB. BoRui has become the lead enterprise in Chinese machine tools accessories industry.
Besides, BoRui also can provide agent service to purchase various of manual, pneumatic, electric tools and other “Made In China” products for International Purchasers.