Talking about the correct use method of roller bit

by:Ronix Tools     2021-06-03
Talking about the correct use of roller cone bits 1. The bits should be packed in a special packaging box to avoid vibration and collision. 2. When using, take out the drill bit from the packing box and put it into the spring chuck of the spindle or the tool magazine of the automatic drill bit, and put it back into the packing box when it is used up. 3. To measure the diameter of the electric drill bit, use a non-contact measuring instrument such as a tool microscope to prevent the cutting edge from contacting with the mechanical measuring instrument and being bumped. 4. Some CNC drilling machines use positioning rings. Some CNC drilling machines do not use positioning rings. If positioning rings are used, the depth positioning during installation must be accurate. If positioning rings are not used, the elongation of the drill bit on the spindle must be adjusted. The same, multi-spindle drilling machine should pay more attention to this point, so that the drilling depth of each spindle should be the same. If it is inconsistent, it may cause the drill bit to drill to the table or fail to electric drill through the circuit board, resulting in scrap. 5. At ordinary times, a 40x stereo microscope can be used to check the wear of the cutting edge of the drill. 6. Frequently check the concentricity of the spindle and the collet chuck and the clamping force of the collet. Poor concentricity will cause small-diameter drills to break and large apertures. If the clamping force is not good, the actual speed will be different from the actual speed The set speed does not match, slipping between the chuck and the drill. 7. The clamping length of the fixed shank electric drill bit on the collet chuck is 4 to 5 times the diameter of the drill shank to be clamped firmly.
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