What is high pressure casting (HPDC)? How does the high pressure casting Products process work?
In the high pressure casting process, molten metal or metal alloy is injected into the mold at high speed and high pressure.
Horizontal high pressure die casting machines ensure the die is fully closed. They are classified according to the amount of clamping force they can apply and can range from 550 to 5700 tons.
The ideal CNC machining program should not only ensure that qualified workpieces conforming to the drawings are processed, but also should enable the functions of the CNC machine tool to be reasonably applied and fully utilized. The CNC machine tool is a highly efficient automation equipment. Its efficiency is 2 to 3 times higher than that of ordinary machine tools. Therefore, to give full play to this feature of CNC machine tools, one must master its performance, characteristics, and operating methods. At the same time, the machining plan must be correctly determined before programming.
CNC machining has become a major pillar of the manufacturing industry. This type of processing is used in more and more products (for example, CNC turning and CNC milling, engraving, cutting and drilling). Although many mechanics are accustomed to this form of processing, not everyone knows the logic behind it. Compared with other forms of machining, the main advantages of using CNC machining are as follows:
CNC machining holes in the solid part of the workpiece with a drill is called drilling. The drilling is rough machining, the achievable dimensional tolerance grade is IT13~IT11, and the surface roughness value is Ra50~12.5μm. Due to the long length of the twist drill, the small core diameter and poor rigidity, as well as the influence of the chisel edge, the drilling has the following technological characteristics:
5-axis machining of 28 parts at a time
5-axis simultaneous machining of 28 parts
How do you realize the advantages of the five-axis machine? Here is an example of a Haas UMC-750P machine that processes 28 parts at the same time. Through the design of the turntable and the fixture, and the three processing surfaces of the part are combined into one processing program in the five-axis processing program, the purpose of reducing the cycle time is achieved.
High diffuse reflection laser cavity is mainly used for the production of pump cavity for solid and liquid laser devices. The structure adopts a tightly packed form, and uses a high-reflectivity diffuse reflection material as the reflector of the pump light source. Due to the design and structural characteristics of the highly diffuse reflection laser cavity, the energy of the pump light source is evenly distributed in the pump cavity, so that the laser material can absorb energy in a balanced manner.
Common surface treatment of processed prototypes: grinding, polishing, electroplating, oxidation, passivation, blackening, phosphating, etc.
In the entire process of prototype processing, after selecting the appropriate processing method (CNC processing or 3D printing), most of the prototypes require surface treatment. The purpose of surface treatment is to meet the product’s corrosion resistance, wear resistance, decoration or other special functional requirements. There are dozens of surface treatment processes for prototype processing. Next, we will introduce the common surface treatment processes for prototype processing.
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