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Five-axis additive process simulation method and system based on real-time speed

A real-time speed and process simulation technology, applied in the field of additive manufacturing, can solve the problems of immaturity and imperfect CAM software, and achieve the effect of real simulation effect, stable cladding track morphology, and improved machining accuracy.

Inactive Publication Date: 2019-01-04
WUHAN INSTITUTE OF TECHNOLOGY
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  • Claims
  • Application Information

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Problems solved by technology

In terms of additive manufacturing, the current simulation technology is still immature, and the CAM software for additive processing simulation is not yet perfect, so it is difficult to accurately simulate the process of gradually increasing materials during processing

Method used

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  • Five-axis additive process simulation method and system based on real-time speed
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  • Five-axis additive process simulation method and system based on real-time speed

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Embodiment Construction

[0026] The principles and features of the present invention will be described below with reference to the accompanying drawings. The examples cited are only used to explain the present invention, and are not used to limit the scope of the present invention.

[0027] Such as figure 1 As shown, the five-axis additive process simulation method based on real-time speed in the embodiment of the present invention includes:

[0028] Step 1. Obtain the tool position point information according to the processing track file generated by the CAM software.

[0029] Step 2: Import the processing track file into the processing equipment for no-load operation, and obtain the feed speed information of the processing equipment corresponding to the tool position point information.

[0030] Step 3: Establish a parameterized model of the cladding channel according to the feed speed information.

[0031] Step 4: Determine the additive sweep volume between different tool location points according to the clad...

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Abstract

The invention relates to a five-axis additive process simulation method and system based on real-time speed. The method comprises the steps of (1) obtaining cutter location point information accordingto a processing track file generated by CAM software, (2) inputting the processing track file into a processing device for no-load running and obtaining feed speed information corresponding to the cutter location point information of the processing device, (3) establishing a cladding track parameterized model according to the feed speed information, (4) determining an additive sweep volume between different cutter location points according to the cladding track parameterized model and the cutter location point information, (5) converting the additive sweep volume into a Tri-dexel model to obtain a cumulative Tri-dexel model, and (6) displaying an additive forming model according to the accumulated Tri-dexel model. According to the technical solution provided by the invention, the shape ofa cladding track is closer to actual additive processing, and the simulation effect is more real.

Description

Technical field [0001] The invention relates to the technical field of additive manufacturing, in particular to a five-axis additive process simulation method and system based on real-time speed. Background technique [0002] With the continuous development of CNC machining technology, additive manufacturing has developed rapidly in recent years with its advantages. The additive manufacturing technology is based on the principle of discrete-stacking, which uses extrusion, sintering, melting, light curing, and spraying to stack materials layer by layer to produce physical objects. The main additive manufacturing technologies now include fused deposition (FDM), direct metal laser sintering (DMLS), laser engineered net shaping (LENS), laser selective sintering (SLS) and stereolithography (SLA). [0003] In terms of the earlier development of subtractive manufacturing, mature computer-aided manufacturing (CAM) software such as NX and CATIA provide complex five-axis trajectory simulati...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/4097G05B23/02
CPCG05B19/4097G05B23/02
Inventor 颜昌亚明杉林涛何姗姗曾雄志李振瀚
Owner WUHAN INSTITUTE OF TECHNOLOGY