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Addition and subtraction of Shenzhen machining

source:[seo:selfurl]    release time : 2018-11-18 11:33

Addition and subtraction of Shenzhen machining
1, turning processing
The key to turning is to rotate the workpieces that need to be machined, and then let the moving tools move close to them to sculpt the surface of the workpiece. The workpiece is fixed on the machine by the chuck. Next, the workpiece is rotated at high speed by the motor. The rotation speed can be artificially controlled according to our requirements for machining. Then, you can start controlling the tool to sculpt on the surface of the workpiece. This is called “passing the knife”.
2, milling processing
The traditional milling process has two relative motion modes. One is that the workpiece to be processed is fixed as shown in the above figure, and it is completely dependent on the milling cutter to sit and rotate and translate by itself; and the other is shown in the following figure. Simply rotating, the workpiece can move in the direction of front, back, left and right, and up and down.
3, CNC machine tools
The ordinary machine tool we are talking about relies heavily on manual operation during machining operations. For example, to adjust the speed of the workpiece, it is necessary to manually hang the push rod on the spindle box. The CNC machine tool turns all these operations into "automatic gear". Before the actual machining, CNC machine tools will first use CAD software to make computer-aided design drawings, and then simulate the whole process through CAM software. After all the confirmations are correct, the programmed machining program is imported into the CNC machine tool, the workpiece is installed, the protection door is closed, and then the CNC machine tool can be automatically processed to obtain the desired part.
4, planing processing
The working principle of the planing process is clear at a glance. The simple reciprocating motion is extremely inefficient compared to turning and milling, but it is also used for rough processing of the surface of the workpiece because of the simple structure and ease of use of the equipment and tools.
5, grinding processing
The grinding process uses a grinding wheel such as a grinding wheel or a belt to cut the surface of the workpiece. In today's machining, the grinding head can be integrated into the machining center of CNC milling machines.
6, laser "print"
After reading the subtraction of the cutting and grinding, this time it is the turn to do the "addition". Unlike traditional casting, the figure shows a 3D printing for selective machining of metal parts - selective laser melting (SLM).
7, metal deposition
This more advanced and convenient metal 3D printing technology is the Direct Metal Deposition. It is somewhat similar to the "squeezed cream" type of fused deposition, but the metal powder is ejected. The nozzle also provides high-power laser and inert gas protection while ejecting the metal powder material. This is not limited by the size of the metal powder box, it can directly produce larger parts, and it is also suitable for repairing partially damaged precision parts.


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