The Programming of Numerical Control Machine Tool and Its Cutting Amount and Feeding Quantity
Numerical control machine tools are widely used in various industries and fields, such as aerospace industry, automobile industry, machinery manufacturing industry and family daily necessities. As a controlled processing machine, numerical control machine tool requires a very accurate theoretical basis for programming and corresponding practical operation. This article will discuss the programming of numerical control machine tool and its cutting amount and feeding quantity.
Numerical control machine tool is a kind of CNC (Computer Numerical Control) machine tool controlled by a computer system. It can complete complicated cutting processes such as drilling, milling and turning through programming. In order to make sure the machine can processed the corresponding parts better, the program is composed of basic commands and auxiliary commands.
The basic commands are used to control the position of the axis, while the auxiliary commands are used to modify or expand the basic commands. For example, the G90 command is a basic command that tells the machine tool to set the current position as zero; the M02 auxiliary command is used to tell the machine tool to end the program.
The feeding amount is the movement of the machine tool when processing a part. The feed rate is usually quoted as feed per revolution (FPR) to indicate how far the cutter should be moved to complete a revolution. It is usually expressed in mm per revolution (mm/rev). The feed rate should be consistent with the recommended speed range of the cutters so as not to damage the cutting edge of the cutter.
The cutting amount is provided in the form of cutting speed, cutting depth and cutting width. The cutting speed is the speed at which the cutter is moved in order to cut the workpieces. It is usually expressed in rev/min (revolutions per minute). The cutting depth refers to how deep the cut is. It is usually expressed in mm (millimetres). The cutting width should also be considered when programming according to the size of the parts.
In conclusion, the cutting amount and feeding rate of numerical control machine tools need to be carefully calculated and adjusted before programming to ensure that the cutting performance reaches the expected value. In order to ensure that the machine tool is working well and within the safe range, it is important to be familiar with the programming language, understand the basic commands, and choose the appropriate cutting speed, cutting depth and feeding amount for processing the parts.
