Method and device for forming plates through gradual approximation bending

A sheet metal forming, step-by-step approximation technology, applied in metal processing, metal processing equipment, manufacturing tools, etc., can solve problems such as fast and real-time processing of ship sheets, difficulty in accurate calculation, and lengthy calculation process.

Inactive Publication Date: 2012-06-20
SHANDONG SURELY MACHINERY CO LTD
View PDF3 Cites 17 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Now some people are studying the problem of theoretical calculation and prediction of springback of three-dimensional bent plates. Not only is the ca...

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
  • Method and device for forming plates through gradual approximation bending
  • Method and device for forming plates through gradual approximation bending
  • Method and device for forming plates through gradual approximation bending

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0030] Below in conjunction with the embodiment shown in the drawings, the specific content and working process of the step-by-step bending method and device for plate forming of the present invention will be further described.

[0031] On one side of the upper mold group 3 of the three-dimensional numerical control plate bending machine 1, an online laser three-dimensional coordinate measuring machine 4 (as attached figure 1 As shown), the online laser three-dimensional coordinate measuring machine 4 can also be set on the upper side of the lower mold group 2 of the three-dimensional numerical control bending machine 1 through the rail, and the rail is fixed on the three-dimensional numerical control bending machine 1, and the online laser three-dimensional coordinate measurement Machine 4 can move on track.

[0032] The specific process is as follows:

[0033] 1. Adjust the curved surface shape of the lower mold group 2 of the 3D CNC plate bending machine 1 according to the...

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 method and a device for forming plates through gradual approximation bending on a three-dimensional numerical control plate bending machine (1). The method comprises the following steps of: performing targeted iteration gradual approximation bending by utilizing a resilience rule of a plate (5), comparing a shape of an actually formed curved surface B of the plate (5) subjected to pressing resilience with a shape of a theoretical target curved surface S through online measurement, and setting an approximation bending pressing curved surface C for limited approximation pressing according to an error offset value h after resilience. By the device, an online laser three-dimensional coordinate measuring instrument (4) connected with a computer is arranged on the three-dimensional numerical control plate bending machine (1). Complex mechanical calculation is not needed, the problem of bending resilience of a ship plate can be rapidly solved on line in real time, as long as the approximation bending pressing is performed for 1 to 3 times generally, the requirement on machining accuracy can be met, the problem of resilience of a numerically controlled bent plate is rapidly and effectively solved, the forming accuracy of a three-dimensional curved surface ship plate is guaranteed, and the method and the device have simple and rapid effects.

Description

1. Technical field: [0001] The present invention relates to a sheet metal forming method and device for gradually approaching bending, in particular to a sheet forming method for gradually approaching bending that is mainly used for sheet forming on a three-dimensional numerical control bending machine, and provides a matching device. 2. Background technology: [0002] With the rapid development of my country's economy, the shipbuilding industry is also developing rapidly. During shipbuilding, most of the hull's outer plate components are curved surfaces. The manufacture of three-dimensional curved plate parts is an important link. CNC bending machine is an important mechanical processing device. In the existing three-dimensional curved panel forming, although the precision and high quality of the workpiece stamped by the integral mold are only suitable for mass production, and the price is expensive; it can only be used for some small ships that are shaped. Therefore, 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): B21D22/02B21C51/00
Inventor 王呈方焦和桐张灿勇李继先袁萍胡勇范正勇马军伟焦涛
Owner SHANDONG SURELY MACHINERY CO LTD
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

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

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap