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Tool five-axis numerical control grinding automatic programming method based on UG NX API

A grinding processing and automatic programming technology, applied in the field of programming, can solve problems such as powerlessness and long development cycle, and achieve the effect of improving flexibility and improving development efficiency

Active Publication Date: 2013-12-18
XIAMEN TUNGSTEN
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Problems solved by technology

The development cycle of the programming method for five-axis CNC grinding of cutting tools in the prior art is relatively long, especially for complex curved surface five-axis linkage programming that requires a lot of calculations, it seems very powerless

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  • Tool five-axis numerical control grinding automatic programming method based on UG NX API
  • Tool five-axis numerical control grinding automatic programming method based on UG NX API

Examples

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Embodiment Construction

[0022] Examples, see figure 1 As shown, this embodiment takes a certain ball end milling cutter as an example to illustrate a method for automatic programming of tool five-axis CNC grinding processing based on UG NX API of the present invention, and it can also be extended to grinding other overall Tools (e.g. flat cutters, tapered solid milling cutters, etc.).

[0023] UG is the abbreviation of Unigraphics, which is an interactive CAD / CAM (Computer-Aided Design and Computer-Aided Manufacturing) system, which is powerful and can easily realize the construction of various complex entities and shapes. It was mainly based on workstations at the beginning of its birth, but with the development of PC hardware and the rapid growth of individual users, the application on PC has achieved rapid growth, and it has become a mainstream application of 3D design in the mold industry.

[0024] UG NX is a flexible software tool for numerically solving partial differential equations developed...

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Abstract

The invention discloses a tool five-axis numerical control grinding automatic programming method based on a UG NX API. The method comprises the following steps that a tool coordinate system is built; geometric information of a tool and geometric information of a grinding wheel are read from a preset database; three-dimensional models of blanks of the tool and the grinding wheel are built; mathematic models of motion tracks of the grinding wheel in all grinding processes are built; NURBS processing is conducted on the tracks of the grinding wheel, and discretization is conducted on splines to form a coordinate sample of the motion tracks of the grinding wheel; a grinding wheel motion track based on a workpiece coordinate system is drawn according to the UG NX API and a picture display interface; in the tool coordinate system, simulation is carried out to judge the correctness of the grinding wheel motion track; finally, a dynamic grinding wheel track link library is formed; post processing programs are customized according to the kinematic link structure of a machine tool, and are combined with the grinding wheel motion track to finally generate numerical control programs. Due to the utilization of the method, tool five-axis numerical control grinding automatic programming is finally achieved.

Description

technical field [0001] The invention relates to the technical field of programming, in particular to a method for automatic programming of tool five-axis numerical control grinding based on UG NX API. Background technique [0002] Knives are known as "the teeth of industry" and are an important link in the process of material processing. With the rapid development of advanced manufacturing technology and high-efficiency CNC machine tools and the continuous emergence of new materials, CNC tools are required to have the characteristics of high efficiency, high precision, high reliability and specialization. In order to process high-precision tools, it is necessary to use a five-axis CNC grinding machine to process the tool; and how to improve the tool grinding quality and manufacturing efficiency of the five-axis CNC grinding machine, the programming technology of the five-axis CNC grinding tool is the key. [0003] The five-axis CNC grinding programming of the existing five-...

Claims

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Application Information

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IPC IPC(8): G05B19/4093
Inventor 许艾青吴冲浒李飞李育峰
Owner XIAMEN TUNGSTEN
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