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What problems should be paid attention to in milling
标签:CNC milling
2021-10-29 11:28:47
2021-10-29 11:28:47
Milling refers to the use of rotating multi-edged tools to cut workpieces, and is a highly efficient processing method. When working, the tool rotates and the workpiece moves, and the workpiece can also be fixed, but the rotating tool must also move at this time. Traditional milling is mostly used for milling simple shapes and features such as contours and grooves. It is suitable for processing planes, grooves, various forming surfaces and special shapes of molds, etc. It is mainly used for processing molds, gauges, and thin-walled complex curved surfaces. , Artificial prostheses, blades, etc. When selecting the content of CNC milling processing, the advantages and key functions of the CNC milling machine should be brought into full play. cnc milling service，The following is a brief introduction to the key points that need to be paid attention to in milling processing:
1. The curve profile on the workpiece, such as straight line, arc, thread or spiral curve, especially non-circular curve and list curve given by mathematical expression.
2. The spatial curve or surface of the mathematical model has been given.
3. Although the shape is simple, the parts with various sizes and difficult to detect.
4. The inner cavity and the inside of the box that are difficult to observe, control and detect when processed by ordinary machine tools.
5. Holes or planes with strict size requirements.
6. A simple surface or shape that can be processed in one clamping.
7. The use of CNC milling processing can effectively improve productivity and reduce labor intensity in general processing content.
8. The performance of the selected raw materials, tools and cutting oil must meet the process requirements, and the use of unqualified products is prohibited.
9. When milling irregular workpieces and using vises, indexing heads and special fixtures to hold the workpieces, the center of gravity of the irregular workpieces and the vise, indexing heads, special fixtures, etc. should be placed in the middle of the workbench as much as possible to avoid The workbench is not evenly stressed and deformed.
10. During rapid or automatic feed milling, do not move the worktable to the extremes to avoid squeezing the screw rod.
11. Motorized tool setting is not allowed, and the tool setting should be done manually.
12. When the workbench is reversing, the reversing handle must be stopped at the middle position first, and then reversing. Direct reversing is not allowed.
13. When milling keyway shafts or cutting thin workpieces, prevent the indexing head or work surface from being damaged by milling.
14. When milling a plane, a cutter head with more than four cutter heads must be used, and an appropriate cutting amount must be selected to prevent the machine tool from vibration during milling.
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