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In the process of aluminum alloy material, we recommend the screw tip cone to attack the hole. Considering the characteristics of aluminum alloy material, the design of spiral screw is conducive to the dust work. However, the viscosity of aluminum alloy is large, and if the screw with a small spiral Angle is used, it may be difficult to discharge chips, which will lead to the problem of debris blockage, increasing the risk of screw fracture. Therefore, in order to ensure the smooth progress of the tooth attack process, the spiral spiral cone is about 40 degrees regardless of the through hole or the blind hole.
In general, aluminum alloy tooth tapping is a cost-effective method. The extrusion wire cone mainly uses the principle of plastic forming, through the wire cone extrusion in the bottom hole, so that the cut material uplift and form the thread. Because the extrusion screw does not produce chip, and there is no need to set up a discharge groove, the damage caused by thread or screw caused by chip blockage is effectively avoided.
Squeeze the characteristics of silk attack
1, will not produce chips, suitable for blind hole thread processing and can save the processing time of dandruff;
2, no cutting groove, the silk cone break area is large, so the torque strength is large, the silk cone life is long, and there is no chip interference, so it is not easy to damage;
3. The processing surface of the internal thread is the extrusion surface appearance is beautiful and smooth, the material fiber is not cut continuously, and the thread strength increases by about 30% with good accuracy;
4, the inner thread plastic flow forming surface thickness is good, effective through the deviation is less, with the plastic processing method as the inner thread processing tool, suitable for good ductile materials.
Multiaxial tapping machine:
Multi-axis automatic tooth engines are generally divided into three types: M8, M16 and M32. It can process several or even a dozen or twenty holes or threads at a time. If equipped with oil pressure or numerical control device, can automatically fast forward, work into (work retreat), fast retreat, stop. Cost and efficiency are better than the processing center. Multi-axis tapping machine can attack 2-25 holes at the same time to improve the high efficiency, and it can be designed and processed according to customer needs.
Multi-axis tapping machine is widely used in the drilling and tapping processing of porous parts in the mechanical industry. Such as automobile, motorcycle porous parts, pumps, valves, hydraulic components, solar energy accessories and so on.
Multi-axis tapping machine can be divided into adjustable and fixed two specifications.
1) Adjustable multi-axis tapping machine in its processing range, the number of its main axis and the distance between the main axis, relatively can be adjusted at will, a feed and process several holes at the same time. When it works with the hydraulic machine tool, it can automatically fast forward, advance (work retreat), quick return, stop. Compared with the single shaft drill (tapping), the workpiece has high processing accuracy and fast efficiency, which can effectively save the manpower, material resources and financial resources of the investors. In particular, the automation of the machine tools greatly reduces the labor intensity of the operators.
2) The fixed multi-axis tapping machine adopts the design scheme of single piece (processed parts) special plane. According to the high processing frequency and large quantity of processing parts, it specially customized one machine equipment, and do not worry about the size deviation in its work. In addition to the use of conventional products, it can also be designed according to the special requirements of customers.
Attack tooth oil
Special tapping oil is the thread cutting of fasteners