How To Control CNC Cutting Control?
Here is a Prototype Turning Service Manufacturer talking about how to control CNC cutting control.
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Factors affecting cutting in CNC machining:
Work piece material: The work piece material contains two aspects. The quality of the work piece material itself includes the alloying material of the work piece material, hardness heat treatment state, etc., which directly affects the chip thickness and chip curl. CNC machining is commanded by the control system to make the tool meet the requirements of various movements, in the form of numbers and letters to indicate the shape and size of the work piece and other technical requirements and processing requirements. It refers to the process of machining parts on CNC machines. In order to improve the automation of production, shorten the programming time and reduce the cost of CNC machining, a series of advanced CNC machining technologies have been developed and used in the aerospace industry. The mild steel has a larger chip thickness than the hard steel; the hard steel is less likely to curl than the soft steel; the thickness of the hard-to-curl chip is thin; but it is not easy to curl when the thickness of the soft steel chip is too large. Second, the shape of the work piece is also an important factor.
Reasonable tool cutting zone geometry is the most common method to improve the controllability of chip formation and the reliability of chip breaking. The rake angle is inversely proportional to the chip thickness, and has the best value for different materials to be processed; the main declination directly affects the chip thickness and width, and the main declination is easy to break.
The three factors of cutting amount will limit the chip breaking range. CNC processing General CNC machining usually refers to computer digital control precision machining, CNC machining lathes, CNC machining milling machines, CNC machining boring and milling machines. The finished feed routes are basically in the order of their part contours. Therefore, the focus of the determination of the feed route is to determine the feed path for roughing and idle travel. The influence on the chip breaking is the feed amount and the amount of back-feeding, and the cutting speed has the least influence on the chip breaking in the conventional cutting speed.
Modern CNC machine tools (attributes: automated machine tools) use the CNC editor (Editor) function to periodically change the feed amount to achieve the purpose of forced chip breaking, usually called "programmed chip breaking". This method has high chip breaking reliability, but the cutting economy is low.
Plus cutting fluid, the effective chip breaking range is widened, especially in the small feed chip breaking is easy to curl. The use of high pressure cutting fluid for chip breaking and chip evacuation is an effective method in some processing methods.
The above is the company's sharing of metal cutting control in CNC machining. CNC processing General CNC machining usually refers to computer digital control precision machining, CNC machining lathes, CNC machining milling machines, CNC machining boring and milling machines. The finished feed routes are basically in the order of their part contours. Therefore, the focus of the determination of the feed route is to determine the feed path for roughing and idle travel.
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