A dynamic design method of high speed machining machine tool structure considering the stiffness of joint

A technology for processing machine tools and complete machine structures, applied in design optimization/simulation, calculation, special data processing applications, etc., can solve the problems of theoretical calculation of angular stiffness, inability to meet the dynamic design of high-speed processing machine tools, lack of dynamic parameter theoretical models, etc.

Active Publication Date: 2019-01-18
SOUTHEAST UNIV
View PDF12 Cites 2 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the theoretical calculation of the angular stiffness of the rolling guide rail joint is difficult. The existing modeling methods at home and abroad simplify the rolling guide rail joint to two linear stiffnesses and...

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
  • A dynamic design method of high speed machining machine tool structure considering the stiffness of joint
  • A dynamic design method of high speed machining machine tool structure considering the stiffness of joint
  • A dynamic design method of high speed machining machine tool structure considering the stiffness of joint

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0105] In the following, an embodiment (high-speed precision internal-circle compound grinding machine) will be used to further describe the dynamic design method of the high-speed machining machine in consideration of joint stiffness coupling in the present invention.

[0106] Figure 7 The specific content of the high-speed machining machine tool structure dynamic design method considering the joint stiffness of the present invention is given, including the following steps:

[0107] Step 1: 3D digital modeling of high-speed machining tools

[0108] Use 3D modeling software (such as Solidworks) to establish a 3D digital (CAD, CAE) model of a high-speed precision internal cylindrical compound grinding machine, such as Figure 8 shown.

[0109] Step 2: Analysis of dynamic parameters of the plane joint of the machine tool

[0110] Step 2a: Using formula (1), calculate the normal stiffness K of the plane junction n

[0111] Step 2b: Using formula (2), calculate the tangentia...

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 provides a dynamic design method of a whole structure of a high-speed machining machine tool considering the rigidity of a joint part, which comprises the following steps: step 1, performing a three-dimensional digital modeling of the high-speed machining machine tool; 2, calculating that dynamic parameters of the plane joint part of the machine tool; 3, calculating that dynamic parameters of the joint part of the machine tool guide rail; 4, analyzing and calculating that dynamic characteristic of the whole machine structure of the high-speed machining machine tool; 5, dynamic designing that whole machine structure of the high-speed machine tool. By adopting the dynamic design method of the high-speed machining machine tool considering the rigidity of the joint part providedby the invention, the dynamic modeling and the dynamic design accuracy of the high-speed machining machine tool structure can be greatly improved, and the design period can be shortened. It is not only convenient for the forward design of high-speed machining machine, but also improves the success rate of one-time design.

Description

technical field [0001] The invention relates to a dynamic design method for a complete high-speed machining machine tool considering the stiffness of a joint, and belongs to the field of numerical control machine tool design. Background technique [0002] CNC machine tools are developing in the direction of high speed and high precision, and the industry has higher and higher requirements for the dynamic performance of high-speed machining machine tools. Establishing the dynamic model of the high-speed machining machine tool, carrying out the dynamic analysis of the whole machine, and then completing the dynamic design of the machine tool are the primary technical links in the development of high-speed machine tools. [0003] The research shows that the modeling accuracy of the dynamic parameters of the machine tool joint is the main factor determining the accuracy of the dynamic design of the high-speed machining machine tool. Typical joints of high-speed machining machine...

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): G06F17/50
CPCG06F30/17G06F30/23
Inventor 蒋书运
Owner SOUTHEAST UNIV
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products