In machining, it is inevitable that errors will occur. If you want to ensure work efficiency, reduce material waste, and reduce labor, you should ensure and improve machining accuracy. So, what are the ways to improve the machining accuracy?
The original error reduction method: If errors are found during production, the main factors affecting the machining error should be found first, and then the methods should be eliminated or reduced. For example, when machining a part with a shape, the shape error of the forming tool and the mounting error of the tool are mainly reduced.
The original error compensation method: artificially create a new error to offset the original error in the process system, when the original error is negative, the human error will take a positive value, otherwise, take a negative value, and try to make the two sizes equal.
The original error transfer method: The original error of the process system, under certain conditions, can be transferred to the non-sensitive direction of the machining error or other aspects that do not affect the machining accuracy. For example: When the accuracy of the machine tool does not meet the requirements for machining the part, you can think of ways from the process or the fixture to create conditions that will shift the machine's geometrical error to areas that do not affect the machining accuracy.
Original error sharing method: If the positioning error is large, some original error method can be used. That is, the original error is divided into n groups according to its size, and the blank error range of each group is reduced to the original 1/n, and then each group is adjusted and processed separately.
Raw error homogenization method: For parts with high requirements for machining accuracy, homogenization method can be used. It is the use of closely related surfaces to compare with each other, find differences from the comparison, and then conduct mutual correction or mutual reference processing, so that the surface of the workpiece is constantly reducing the error and average.
In machining, the machining accuracy error is unavoidable. Only by analyzing the factors affecting the error can corresponding preventive measures be taken to reduce the machining error and improve the machining efficiency.
The original error reduction method: If errors are found during production, the main factors affecting the machining error should be found first, and then the methods should be eliminated or reduced. For example, when machining a part with a shape, the shape error of the forming tool and the mounting error of the tool are mainly reduced.
The original error compensation method: artificially create a new error to offset the original error in the process system, when the original error is negative, the human error will take a positive value, otherwise, take a negative value, and try to make the two sizes equal.
The original error transfer method: The original error of the process system, under certain conditions, can be transferred to the non-sensitive direction of the machining error or other aspects that do not affect the machining accuracy. For example: When the accuracy of the machine tool does not meet the requirements for machining the part, you can think of ways from the process or the fixture to create conditions that will shift the machine's geometrical error to areas that do not affect the machining accuracy.
Original error sharing method: If the positioning error is large, some original error method can be used. That is, the original error is divided into n groups according to its size, and the blank error range of each group is reduced to the original 1/n, and then each group is adjusted and processed separately.
Raw error homogenization method: For parts with high requirements for machining accuracy, homogenization method can be used. It is the use of closely related surfaces to compare with each other, find differences from the comparison, and then conduct mutual correction or mutual reference processing, so that the surface of the workpiece is constantly reducing the error and average.
In machining, the machining accuracy error is unavoidable. Only by analyzing the factors affecting the error can corresponding preventive measures be taken to reduce the machining error and improve the machining efficiency.
Zhejiang Kehao Plastic Machinery Co., Ltd. , https://www.khplasticmachinery.com