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What are the Safety Issues for CNC Machining?

Jun. 29, 2021

CNC machining is used in industrial production. CNC machining is a product of science and technology. It can process some precision parts and precision instruments. Now many aluminum housings are made by CNC machining technology. CNC machining belt It's a lot of convenience, so what are the safety precautions for CNC machining? In response to this problem, the following Exactness CNC Machining Aluminum Alloy Supplier will give you a detailed introduction.

Exactness CNC Machining Aluminum Alloy‍

Exactness CNC Machining Aluminum Alloy

1. Using computer simulation system

Nowadays, with the development of computer technology, the teaching of CNC machining is continuously expanded, and there are more and more CNC machining simulation systems, and their functions are becoming more and more perfect. Therefore, it can be used for preliminary inspection procedures: observe the movement of the tool to determine whether there is a possible collision. Use the analog display function of the machine tool. Generally, the more advanced numerical control machine tool graphics display function, when the program is input, the graphics simulation display function can be called to observe the tool's motion trajectory in detail, so as to check whether the tool may collide with the workpiece or fixture.

2. Use the lock function of CNC machining

General CNC machine tools have a lock function (full lock or single-axis lock). After inputting the program, lock the 2 axis, and judge whether there will be a collision by the coordinate value of the 2 axis. The application of this function should avoid operations such as tool change, otherwise the program cannot be passed.

3. The coordinate system and tool offset settings must be correct

When starting the CNC machining, the machine reference point must be set. The working coordinate system of CNC cnc processing should be consistent with R during programming, especially the 7-axis direction. If there is an error, the possibility of the milling cutter colliding with the workpiece is very high. In addition, the setting of J tool length compensation must be correct. Otherwise, it is either empty machining or collision.

4. Dry run function using CNC machining

Using the dry run function of CNC machining, the correctness of the tool path can be checked. After the program is input to the machine tool, you can install the tool or workpiece, and then press the dry run button. At this time, the spindle does not rotate, and the worktable automatically runs according to the program path. At this time, you can find whether the tool may collide with the workpiece or fixture. However, in this case, it must be ensured that the tool cannot be installed when the workpiece is installed; the workpiece cannot be installed when the tool is installed, otherwise collisions will occur.

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