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Anti-Collision Method for NC Machining and Measuring Equipment

A technology for measuring equipment and numerical control equipment, which is applied in program control, computer control, general control system, etc., can solve the problems of high cost and difficulty in realizing full-space anti-collision protection, and achieves low cost and is conducive to popularization and application. The effect of preventing the intrusion of foreign objects

Inactive Publication Date: 2016-05-04
TIANJIN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this implementation method is costly and expensive. Due to the limitations of the hardware itself, it can only achieve partial anti-collision of the system, and it is difficult to achieve full-space and all-round anti-collision protection.

Method used

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  • Anti-Collision Method for NC Machining and Measuring Equipment
  • Anti-Collision Method for NC Machining and Measuring Equipment
  • Anti-Collision Method for NC Machining and Measuring Equipment

Examples

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Embodiment

[0051] Such as image 3 It is a schematic diagram of an example. A measured mechanical part is placed on the three-coordinate measuring machine platform. The vision system transmits the image information to the computer. Collision detection, and finally send the safety command to the CNC equipment of the three-coordinate measuring machine.

[0052] The anti-collision protection calculation is to detect whether there is a collision attempt in the processing or measurement motion program, and if there is, filter out the dangerous movement attempt, laying the foundation for the subsequent planning of the operation path, further optimizing the path in the planning operation path, filtering Avoid dangerous movement attempts and choose a safer operation path. The focus of the present invention lies in the idea of ​​two-space anti-collision detection.

[0053] In the present invention, CAD (Computer Aided Design), CSG (Constructive Solid Geometry), IGES (Initial Graphics Exchange S...

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Abstract

The invention relates to the field of application of numerical control machining and measuring devices, in particular to a method for preventing a numerical control machining and measuring device from collision so as to prevent the numerical control machining and measuring device from collision in all directions and in the total space. According to the technical scheme, the method for preventing the numerical control machining and measuring device from collision includes the step of virtualizing the real space of the numerical control machining and measuring device into the image space where digitalized operation can be conducted so that collision can be prevented, and specifically includes the steps of firstly, digitalizing the entity space with the numerical control machining and measuring device, a model of a tool or a measuring head of the numerical control machining and measuring device, a model of a workpiece to be measured or machined, a model of a clamp and a model of the related environment into the virtual space so that the complete one-to-one corresponding relation can exist between the entity space and the virtual space; secondly, sending a control instruction for allowing entity space movement to be executed after calculating the movement or movement attempt which will happen in the entity space through the virtual space anti-collision algorithm, filtering out the movement or movement attempt which causes collision dangers through the anti-collision algorithm, and avoiding sending an instruction which causes collision dangers. The method for preventing the numerical control machining and measuring device from collision is mainly applied to numerical control machining and measuring.

Description

technical field [0001] The invention relates to the application field of numerical control processing and measuring equipment, and specifically relates to an anti-collision method for numerical control processing and measuring equipment. Background technique [0002] In CNC machining and measuring equipment, anti-collision capability has become the technical bottleneck of its development. This is mainly due to: (1) the shape of the measured or processed parts is becoming more and more complex; (2) the speed of CNC machines is getting faster and faster; (3) the requirements for automation and intelligence are getting higher and higher, In some cases, it is necessary to operate in an unmanned environment; (4) The material, performance and working environment of the measured object are increasingly unfavorable to conventional processing and measurement. For example, in national defense and high technology, toxic, explosive and strong The geometric size and shape position of th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05B19/401
Inventor 刘书桂韩振华姜珍珠王怀瑜毛晴
Owner TIANJIN UNIV
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