Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Processing cutter shaft vector fairing method of annular cutter based on BC type five-axis numerical control machine tool

A tool axis vector and CNC machine tool technology, which is applied to five-axis CNC machine tool axis vector smoothing, based on the field of BC five-axis CNC machine tool ring tool processing tool axis vector smoothing, can solve the sudden change and large fluctuation of the tool axis vector on curved surfaces And other problems, to achieve the effect of smooth and smooth movement, avoid sudden change, improve processing quality and processing efficiency

Active Publication Date: 2017-07-07
SHANDONG UNIV OF TECH
View PDF7 Cites 8 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In order to overcome the problem of abrupt change and large fluctuations in the tool axis vector of the existing five-axis machining of complex curved surfaces with circular knives, the present invention provides a method for smoothing the tool axis vector of circular knives based on BC-type five-axis CNC machine tools

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Processing cutter shaft vector fairing method of annular cutter based on BC type five-axis numerical control machine tool
  • Processing cutter shaft vector fairing method of annular cutter based on BC type five-axis numerical control machine tool
  • Processing cutter shaft vector fairing method of annular cutter based on BC type five-axis numerical control machine tool

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0044] The present invention is based on a BC-type five-axis CNC machine tool circular knife machining tool axis vector smoothing method, its basic flow is as follows figure 1 As shown, preferred specific implementation methods include:

[0045] Step A, establishing the relational equation between the tool axis vector of the annular cutter and the design variable of the cutter position. Described step A specifically is:

[0046] (1) The relationship equation between the circular tool axis vector and the tool position design variables in the local coordinate system

[0047] Such as figure 1 As shown, assume that the circular cutter processes the surface S of the workpiece, r(u,v), P cc (u cc ,v cc ) is any point on the surface, n cc is the unit normal vector of the point. Let r be the truncated circle radius of the ring knife, O L is the origin of the local coordinate system, then in point O L and P cc Corresponding radial vector. At the same time, with point P ...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention discloses a processing cutter shaft vector fairing method of an annular cutter based on a BC type five-axis numerical control machine tool. The method comprises the following steps that a relation equation between a cutter shaft vector and a cutter position design variable of the annular cutter is established; a movement transformation equation between the cutter shaft vector of the annular cutter and the rotation axes B and C of the five-axis numerical control machine tool is established; a relation equation between the cutter position design variable of the annular cutter and the rotation axes B and C of the five-axis numerical control machine tool is established; a design vector, an objective function and a constraint condition of cutter shaft vector faring of the annular cutter are determined, and a mathematical model of processing cutter shaft vector fairing of the annular cutter based on the BC type five-axis numerical control machine tool is established; and a solving method of the mathematical model of utter shaft vector fairing is determined. The method can avoid rapid change of the rotation axes of the machine tool, rotation-axis movement of the machine tool is more stable and smoother, the angular velocity and angular acceleration of the rotation axes of the machine tool are reduced greatly, the curved surface processing quality and efficiency are improved, and the practical application value is higher.

Description

technical field [0001] The invention relates to a method for smoothing the tool axis vector of a five-axis numerical control machine tool, in particular to a method for smoothing the tool axis vector of a circular knife based on a BC type five-axis numerical control machine tool, and belongs to the technical field of five-axis numerical control machining. Background technique [0002] When using a ring cutter to process complex surfaces in five axes, due to the poor geometric properties of the surface, such as the surface normal vector, main direction, curvature, etc., it is easy to cause sudden changes and large fluctuations in the generated ring cutter tool axis vector. Even if the simplest tool positioning method (such as the Sturz method) is used to process the above-mentioned curved surface area five-axis, it will cause a drastic change in the tool axis vector, which will affect the stability of the five-axis machine tool motion, the servo capability and increase of the ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): G05B19/4099
CPCG05B19/4099G05B2219/45136
Inventor 徐汝锋郑光明程祥李勋
Owner SHANDONG UNIV OF TECH
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com