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Numerically-controlled machine tool error compensation system and method based on human-computer interface secondary development

A technology for compensation systems and CNC machine tools, applied in general control systems, control/adjustment systems, computer control, etc., can solve the problems of less research on compensation schemes for CNC machine tools, and achieve good online status monitoring, fast and stable data transmission sex high effect

Active Publication Date: 2013-10-09
SHANGHAI JIAO TONG UNIV
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  • Claims
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Problems solved by technology

[0004] However, the compensation methods used in the above documents are the EMS (external zero offset) function of the FANUC CNC system, and there are few studies on the CNC machine tool compensation scheme of the Siemens CNC system

Method used

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  • Numerically-controlled machine tool error compensation system and method based on human-computer interface secondary development
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  • Numerically-controlled machine tool error compensation system and method based on human-computer interface secondary development

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Embodiment Construction

[0036] The embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. This embodiment is implemented on the premise of the technical solution of the present invention, and detailed implementation methods and specific operating procedures are provided, but the scope of protection of the present invention is not limited to the following the described embodiment.

[0037] The CNC machine tool error compensation system based on the secondary development of the man-machine interface described in this embodiment includes: a hardware part of the compensation system and a software part of the compensation system, and the software part of the compensation system is built into the hardware part of the compensation system.

[0038] see figure 1 , the hardware part of the compensation system mainly includes: Siemens 840D numerical control system PCU, temperature sensor, temperature data acquisition card and error measuring instrum...

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Abstract

The invention discloses a numerically-controlled machine tool error compensation system and method based on human-computer interface secondary development. The numerically-controlled machine tool error compensation system comprises a hardware portion and a software portion integrally arranged in the hardware portion. The hardware portion comprises a Siemens 840D numerical control system PCU, a temperature sensor, a temperature data acquisition card and an error measurement instrument. The software portion comprises a temperature acquisition module, a thermal error compensation module, a space error compensation mould and a state monitoring module. According to the numerically-controlled machine tool error compensation system and method based on the human-computer interface secondary development, the error compensation function of a Siemens 840D numerical control system is effectively used for compensating space errors; the numerically-controlled machine tool error compensation system and method based on the human-computer interface secondary development is convenient and effective to implement, external expansion of compensators is not required, machine tool parameters are read based on a human-computer interface and DDE, and good on-line state monitoring can be achieved without an external upper computer.

Description

technical field [0001] The invention relates to a device and method in the technical field of numerical control machine tool processing, in particular to a numerical control machine tool error compensation system based on the secondary development of the man-machine interface. Background technique [0002] Precision and ultra-precision machining technology has become the most important component and development direction of modern machinery manufacturing, and has become a key technology for improving international competitiveness. CNC machine tool is an important tool in mechanical manufacturing, and its accuracy index is an important factor affecting the machining accuracy of workpieces. However, due to the existence of geometric errors (errors caused by the manufacturing and assembly defects of the machine tool itself), thermal errors (errors caused by thermal deformation caused by machine tool temperature changes), errors caused by cutting forces, and errors caused by too...

Claims

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Application Information

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IPC IPC(8): G05B19/404
Inventor 项四通杨建国朱小龙肖慧孝张景然
Owner SHANGHAI JIAO TONG UNIV
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