Stainless Steel Shaft

Stainless Steel Shaft

1. Item name: CNC Coring Machining Parts 2. Standard: Our factory are specialize in the production of Non-standardproducts. We export products to North America, Australia, Asia , Europe, etc. 3. We also could produce standard products, like DIN, JIS,ANSI,BS according to customers' drawings...

Product Details

1. Item name: CNC Coring Machining Parts

2. Standard: Our factory are specialize in the production of Non-standardproducts. We export products to North America, Australia, Asia , Europe, etc.

3. We also could produce standard products, like DIN, JIS,ANSI,BS according to customers' drawings or requirements

4. Certification: ISO9001, SGS, CTI, ROHS

The machining center machine is a high-efficiency automatic machine tool composed of mechanical equipment and numerical control system suitable for machining complex parts. CNC machining center is one of the most productive and widely used CNC machine tools in the world. Its comprehensive processing ability is strong. Once the workpieces are clamped once, more processing contents can be completed, and the processing precision is higher. For batch workpieces with medium processing difficulty, the efficiency is 5 to 10 times that of ordinary equipment, especially it can be completed. The processing that cannot be completed by many common equipments is more applicable to single-piece processing with more complex shapes and high precision, or to multi-variety production with medium and small batch sizes.

CNC machining center machine feed processing route refers to turning tool from the knife (or machine fixed origin) from the start of the movement, until return to this point and the end of the processing program path, including cutting path and cutting tool, cut out, etc. Non-cutting, empty travel path.

The feed path for finishing is basically carried out along the outline of its parts. Therefore, the main focus of determining the feed path is to determine the feed route for roughing and empty travel.

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The so-called investment casting process is simply to make a fusible model (referred to as a investment model or a model) of a fusible material (such as wax or plastic), and to coat it with several layers of special fire-retardant paint, which is dried and hardened. After forming a monolithic shell, the model is then melted from the shell by steam or hot water. The shell is then placed in a sand box filled with dry sand around it. Finally, the cast is placed in a roaster at high temperature. Baking (for example, when a high-strength shell is used, the demolded shell can be directly baked without molding), and after the cast or shell is fired, molten metal is poured thereinto to obtain a casting.

Investment castings have higher dimensional accuracy, generally up to CT4-6 (sand casting is CT10~13, die casting is CT5~7). Of course, due to the complicated process of investment casting, there are many factors affecting the dimensional accuracy of castings, such as molds. The shrinkage of the material, the deformation of the investment mold, the change in the amount of wire in the heating and cooling process of the mold shell, the shrinkage rate of the alloy, and the deformation of the casting during the solidification process, so the dimensional accuracy of the common investment casting is high, but its Consistency still needs to be improved (the consistency of castings with medium- and high-temperature waxes is much higher).

When the investment mold is pressed, a molding with a high surface finish of the cavity is used. Therefore, the surface finish of the investment mold is also relatively high. In addition, the shell is made of a high-temperature resistant special binder and a refractory material made of a refractory material that is coated on the investment mold. The inner surface of the cavity that directly contacts the molten metal has a high degree of finish. Therefore, the surface finish of investment castings is higher than that of ordinary castings, generally up to Ra.1.6~3.2μm.


The biggest advantage of investment casting is that because the investment casting has a high dimensional accuracy and surface finish, it can reduce the machining work, but only a small amount of machining allowance can be left on the parts with higher requirements, and even some castings only The grinding and polishing allowance can be used without machining. It can be seen that the use of investment casting method can save a lot of machine tool equipment and processing man-hours, a substantial saving of metal raw materials.


Another advantage of the investment casting method is that it can cast complex alloys of various alloys, and in particular can cast high-temperature alloy castings. For example, the blade of a jet engine, its streamlined profile and the cooling cavity, can hardly be formed by a machining process. The use of investment casting process can not only achieve mass production, ensure the consistency of the castings, but also avoid the stress concentration of residual knife marks after machining.

Therefore, it is widely used in manufacturing industries such as aviation, automobiles, machine tools, ships, internal combustion engines, gas turbines, telecommunications equipment, weapons, medical equipment, and knives. It is also used in the manufacture of arts and crafts.

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