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Views: 169 Author: Amber Publish Time: 04-10-2021 Origin: Site
Nowadays, many users will encounter thermal deformation during the process of using laser cutting machine. If it cannot be solved well, it will reduce the cutting accuracy, so everyone hopes that there can be some methods to reduce its thermal deformation. Let’s share with you:
Customers who often deal with cutting machines often encounter the problem of thermal deformation of laser cutting machines. CNC flame or plasma cutting machines, regardless of CNC flame cutting or plasma cutting, because the width of the cutting edge is affected by many factors such as the cutting nozzle, so no matter what How high is the accuracy of the equipment itself, and the accuracy of the parts cut with it, the error is generally about ±0.5mm
Even the laser cutting machine that has invested heavily in imports can only do this, so how to solve it? First, this situation is inevitable. Thermal cutting will definitely give off heat. It can only be said to reduce the occurrence of this situation. Big Picture Laser teaches you three ways to reduce the thermal deformation of the laser cutting machine.
1. After controlling the temperature rise and taking a series of measures to reduce the heat source, the thermal deformation will be improved. A more effective method is to force cooling in the heating part of the CNC cutting machine tool, or heating in the low temperature part of the machine tool, so that the temperature of each point of the machine tool is uniform, which can reduce the warpage caused by the temperature difference.
But it is hard to completely eliminate this problem, in the consequence, the only way to reduce the influence of the heat source is to control the temperature rise. Due to the left-right symmetry, the main shaft of the heated double-column mechanism hardly deforms in directions other than the vertical movement, and the movement of the vertical axis can be easily compensated by coordinate correction.
2. The heat source of thermal deformation caused by heat inside the machine tool should be separated from the main body. The thermal deformation of the shaft occurs in the vertical direction of the cutting tool. For example, the single-column mechanism used in CNC machine tools in the past can be replaced by a double-column mechanism.
Should learn more about this knowledge, standardize the operation, and reduce the influence of possible thermal deformation. As a thermal cutting processing equipment, the CNC cutting machine may cause structural deformation due to temperature changes during frequent use and processing.
3. Improve the machine tool mechanism. Under the same fever premise, the machine tool mechanism also has a great influence on thermal deformation. In this structure, the distance between the center of the main shaft and the main shaft to the ground should be reduced as much as possible to reduce the total amount of thermal deformation. At the same time, the temperature rise of the main shaft box should be consistent before and after the deformation to prevent the main shaft from tilting after deformation. This can minimize the influence of the thermal deformation of the spindle on the machining diameter.
You can operate according to the content of the above article to reduce the thermal deformation of the fiber laser cutting machine, and there is no need to worry too much later.
Contact Person: Amber Li
WeChat/WhatsApp: +86 155 5314 9503
Email: amber@lepaion.com