CNC precision machining is a kind of equipment that uses computer control to process tight parts. What are the benefits of CNC precision machining parts?
1. Multi-axis control linkage: Generally speaking, three-axis linkage is relatively common, but with a little adjustment, there will be four-axis, five-axis, seven-axis, and even more CNC machining of more linkage axes. middle.
2. Parallel connection of machine tools: The common machining center functions are relatively fixed, and the machining center and turning center or vertical and horizontal machining centers can be combined to improve the processing capacity and processing ability of the machining center.
Three, tool damage alarm: use some technical inspection methods to find out the wear and damage of the object in time, call the police, replace the object in time, and ensure the processing quality of the parts.
Fourth, object life management: the same management of objects working at the same time and multiple objects of the same object, improve production efficiency.
5. Machine tool overload and power failure protection: According to the load setting degree of the production process, when the load reaches the set value, the machine tool can automatically power off to protect the machine tool.
There are several surface treatment techniques for CNC precision machining
First, manual treatment: such as scrapers, wire brushes or grinding wheels. The rust and oxide skin on the surface of the workpiece can be removed by hand, but the manual treatment is labor-intensive, low in production efficiency, poor in quality, and not thoroughly rinsed.
Second, chemical treatment: The main purpose is to use acid-base solution to react with workpiece, oxides and oil on the surface, and then dissolve in acid-base solution to remove oxides and oil on the surface of workpiece. Then wash with nylon cloth and stainless steel wire brush.
Three, machine punishment: mainly including wire brush roller polishing, shot blasting.
1. The polishing technique is that the brush roller is driven by a motor, and the brush roller is twisted at high speed on the high and low surfaces of the belt in the opposite direction to the action of the rolling piece. The washed iron oxide flakes are washed away by the closed circulating cooling water flushing system. Shot blasting is a technique that uses centrifugal force to accelerate a projectile and radiate it into the workpiece to remove rust.
2. Shot peening is divided into shot peening and sandblasting. The surface treatment of shot peening has a great influence, and the flushing effect is obvious. However, shot peening is easy to deform the thin plate workpiece, and steel shot peening will affect the surface of the workpiece and deform the metal base. Since Fe304 and FE203 are not plastics, they will peel off due to cracking, and the oil film will deform with the workpiece. Shot peening cannot completely remove the oil from the workpiece.
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