For friends who have been in contact with the radiator component industry, they often see or hear "CNC machining", but too much exposure does not necessarily mean that many people understand. In fact, many questions are still about CNC machining. What are the advantages? Let's take a closer look. CNC machining is an index-controlled machine tool machining, which is a method of using digital information to control the machining process. Traditional mechanical processing is done manually by machine tools. During processing, the mechanical cutter is shaken to cut metal, and the accuracy is measured with calipers and other tools. However, traditional artificial intelligence processing is far from being able to meet the needs of production development. Therefore, the emergence of CNC machining provides the possibility for the standardization, precision and efficiency of mechanical product processing. The CNC machining process in the radiator component industry also shines. The
Mold material The performance of the molding material should not only ensure the convenient production of investment molds with accurate dimensions and high surface finish, good strength and light weight, but also create conditions for the manufacture of mold shells and good castings. Molding materials are generally formulated with waxes, natural resins and plastics (synthetic resins). All mold materials mainly prepared with wax materials are called wax-based mold materials, and their melting point is low, 60~70 ° C; all mold materials mainly prepared with natural resins are called resin-based mold materials, with a slightly higher melting point, about 70 °C. ~120℃. invest-casting.com Precision Investment Castings China prototype company service include : High Quality Investment Casting Parts Custom , Lost Wax Investment Casting Sand Casting , Lost Foam Casting , Gravity Casting , Die Casting , Graphite Casting , Casting Moldsmanufacturers . Manufacture of Folding Investments In t
How Do Cnc Swiss Machines Work Save 0 What Is Swiss Machine –The full name of the walking CNC lathe, it can also be called the spindle box mobile CNC automatic lathe, the economical turning and milling compound machine tool or the slitting lathe. It belongs to precision machining equipment, which can complete compound machining such as turning, milling, drilling, boring, tapping, and engraving at one time. It is mainly used for batch machining of precision hardware and special-shaped shafts. This machine tool first originated in Germany and Switzerland. In the early stage, it was mainly used for precision machining of military equipment. With the continuous development and expansion of industrialization, due to the urgent needs of the market, it was gradually applied to the machining of civilian products; the development of similar machine tools in Japan and South Korea Earlier than China, it was mainly used in the military industry in the early days. After the war, it was gradually
What are the factors that affect the surface roughness in machining precision parts?
1, the influence of cutting force and friction.When precision parts processing cutting tool cutting edge rounded corners and in the face of workpiece profile extrusion and friction may cause a plastic deformation of the metal material, which leads to the existing residual area distorted or deeper grooves, at this point, the increased surface roughness and machining brittle material cutting scrap into broken particles, and the surface of the processed often shows traces of particles collapses,Leaving many pits and roughening the surface.
2, the impact of the accumulation of clastic tumors.When a cutting tool is cutting plastic at a certain speed, some small particles on the chip will adhere to the tip of the front cutter face, forming the accumulation edge of high hardness, which can replace the front cutter face and cutting edge cutting.
When the friction between the chip and the stacking edge is greater than the cold welding strength between the stacking edge and the front cutter face, or when it is impacted or vibrated, the stacking edge will fall off, so that the new-up edge will be gradually generated in the future.The formation, growth and shedding of the stacking edges will seriously affect the surface roughness of the parts.
3. Influence of scaly spines.In the cutting process, due to the friction and cold welding of the chip on the cutting surface during precision parts processing, the chip will regularly stay on the front cutter surface, thereby squeezing the newly processed surface.In severe cases, the surface can tear.Scales form on the surface, making the surface rough and uneven.
Due to the effects of the above physical factors on the roughness, in order to reduce the surface roughness, in addition to reducing the plastic deformation caused by the cutting force, the accumulation of tumors and scales during the machining of precision parts should be avoided.
The main process measures are: choose the cutting speed which is not easy to produce the accumulation edge and the prick to improve the cutting performance of the material to choose the cutting fluid correctly.
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