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Do you really understand the cutting efficiency of CNC lathes?

Do you really understand the cutting efficiency of CNC lathes?
Update Time:2019-03-06
Do you really understand the cutting efficiency of CNC lathes?
CNC lathe has a wide range of processing technology, can process internal and external cylindrical surface, conical surface, circular surface and various threads, grooves, worms and other complex processes, with linear interpolation, circular interpolation, various compensation functions, and complex Good economic benefits have been achieved in the mass production of parts. When selecting the cutting amount, the CNC lathe must fully consider the various factors affecting the cutting, correctly select the cutting conditions, and determine the reasonable cutting amount, in order to effectively improve the machining quality and output.
The conditions that generally affect the cutting efficiency of CNC lathes include:
The rigidity of the machine bed, the tool and the workpiece;
Cutting speed, depth of cut, cutting feed rate;
Workpiece accuracy and surface roughness;
Tool life expectancy and maximum productivity;
Type of cutting fluid, cooling method;
Hardness and heat treatment of the workpiece material;
Number of workpieces and machine life.
Among them, the cutting speed of CNC lathe directly affects the cutting efficiency. If the cutting speed is too small, the cutting time will be lengthened, and the tool will not be able to perform its function. If the cutting speed is too fast, the cutting time can be shortened, but the tool is likely to generate high heat and affect the tool life.
The cutting efficiency of CNC lathes is affected by human factors, environmental factors and machine factors. The following analysis of the cutting amount of many factors and the impact of the tool on the CNC lathe:
Reasonable cutting amount can improve the efficiency of CNC numerical control lathe. When the cutting speed is increased by 10 times and the feed rate is increased by 20 times, far beyond the traditional cutting exclusion zone, the cutting mechanism has undergone a fundamental change. As a result, the metal removal rate per unit power is increased by 30%-40%, the cutting force is reduced by 30%, the cutting life of the tool is increased by 70%, the cutting heat remaining on the workpiece is greatly reduced, and the cutting vibration is almost eliminated. The cutting process has undergone an essential leap. According to the current situation of CNC lathes, increase the feed per tooth, improve productivity and tool life. The role of the tool on the CNC lathe is like the effect of the wheel on the car. The material used to make the tool must have high high temperature hardness and wear resistance, necessary bending strength, impact toughness and chemical inertness, good processability (cutting, forging and heat treatment, etc.) and not easily deformed. Good tools can increase the efficiency of machining and the accuracy of the workpiece being cut. The remaining factors such as power supply, familiar operation, and reasonable materials will affect the processing of CNC lathes.
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