Small tools make the future development of big molds
One of the signs of the rapid development of modern automotive molds is the involvement of CNC machining technology. The use of high-efficiency cutting tools will also drive CNC machining technology to a higher level. The close combination and mutual promotion of the cutting process and the high-efficiency cutting tool greatly improve the production efficiency and shorten the manufacturing cycle of the mold.
As a mold processing enterprise, we are developing in the direction of internationalization in the improvement of CNC machining technology, unified planning of CNC tools, and selection of tool and equipment. Through the summary of processing experience in recent years and the resolution of on-site difficult processing problems, we The level of cutting processing is continuously improved, making the most basic preparation for CNC automatic processing and improving production efficiency.
Reasonable selection of tools and cutting quantities in CNC machining is a complex and professional job. It is also one of the problems that have plagued CNC machining. In particular, the hardened mold processing and the automatic processing of the mold structure surface are all advanced cutting new technologies in China. There is no precedent for reference when selecting the tools. It is entirely based on our continuous exploration and improvement to overcome these problems.
Processing of hardened molds: It is well known that large automotive molds require a certain degree of surface hardness to improve their durability, so most manufacturers quench their surfaces to increase hardness. The surface deformation of the mold after quenching can only be solved by manual grinding and debugging during commissioning, which is not only inefficient and has a long production cycle. By changing this process to a certain amount of machining allowance, the surface of the mold is quenched and then CNC finished. However, after such quenching, the tool is required to perform reciprocating cutting between the hard material and the relatively soft material. It is difficult to adapt to a reasonable selection of a tool for material processing, and a tool needs to adapt to two kinds of surface hardness. Different materials, we can only give priority to the processing of hard-to-machine materials - hardened areas. Generally, the efficiency of the hard alloy tool in the quenching area is significantly reduced, and the tool is prone to chipping and wear. However, the use of coated tools has to encounter the problem of rapid wear in the soft material area.
At this time, we set our sights on the machine clamp ball head tool. The advancement of the modern tool industry makes the blade used by the machine clamp ball head tool can adapt to the processing of a variety of materials. In order to reduce the radial runout of the hard machining zone, the strength of the cutter bar must be considered first, and the diameter of the cutter bar should be increased as much as possible. The cutter bar selects the carbide cutter bar to achieve the minimum radial runout, and the effect is good after processing. Whether it is processing efficiency or production cost, machine clamping tools are the best choice for efficiency and cost.
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