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

Upsetting method and upsetting apparatus

A processing method and technology of processing devices, which can be used in metal processing equipment, engine components, mechanical equipment, etc., and can solve problems such as wrinkle surface properties and defects

Inactive Publication Date: 2008-09-03
SHOWA DENKO KK
View PDF6 Cites 5 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Furthermore, there is also a problem that although the bulge is bent, the bulge itself is not bent but the neck between the bulge and the shaft is bent, or the inner peripheral surface on the curved side of the bulge is bent. Poor surface properties due to wrinkling

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
  • Upsetting method and upsetting apparatus
  • Upsetting method and upsetting apparatus
  • Upsetting method and upsetting apparatus

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0235] Next, several embodiments of the present invention will be described with reference to the drawings.

[0236] Figure 1~ Figure 5 It is a figure for demonstrating 1st Embodiment of this invention.

[0237] In FIG. 1 , 10A is an upset processing device according to the first embodiment. The upsetting device 10A is a free upsetting device in detail. In addition, 1 is a rod-shaped blank.

[0238] exist Figure 5 Among them, 5 is an upset processed product processed by the upset processing apparatus 10A. In this upset-forged product 5 , bulged portions 6 (diameter-enlarged portions) bulging (diameter-enlarged) outward in the radial direction over the entire circumference are formed at both ends of the straight shaft portion 7 . Each bulge 6 is bent in the axial direction. To describe in detail, the bulging portion 6 itself is bent, and the bulging portion 6 bulges unevenly in the circumferential direction. In more detail, the bulging amount of the opposite side of 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

PropertyMeasurementUnit
lengthaaaaaaaaaa
Login to View More

Abstract

The present invention provides an upsetting method capable of manufacturing, by a minimum load, an upset article having swelled parts formed in a bent shape. A bar-like material (1) is mounted on a receiving die (11) so as not to move in the axial direction, the parts (2) of the material (1) are disposed in insertion holes (21) formed in guides (20) and holding the planned swelling parts (2) of the material (1) in the inserted state so as not to buckle. Next, the planned swelling parts (2) of the material (1) exposed to spaces between the heads of the guides (20) and the receiving die (11) are swelled to radially outward by moving the guides (20) in directions opposite to the moving directions of punches (30) while the planned swelling parts (2) of the material (1) are axially pressed by the punches (30). In the upsetting method, the planned swelling parts (2) of the material (1) are bent while the planned swelling parts (2) are being swelled.

Description

technical field [0001] The present invention relates to an upsetting method and an upsetting device used for manufacturing a vehicle (automobile, rail vehicle, etc.) bracket, piston, or other product having a bulging portion bulged outward in the radial direction. Background technique [0002] Generally, in the upsetting process, if the bar-shaped blank is longitudinally bent during processing, the upset-forged product becomes defective in shape and loses its value as a product. Then, in order to make buckling less likely to occur, conventionally, the following upsetting method has been proposed. [0003] That is, the rod-shaped blank is installed on the receiving mold in a state of being prevented from moving in the axial direction, and the part to be bulged (that is, the part to be processed) of the blank is inserted through the insertion hole provided on the guide body to The expected bulging portion is kept in a vertical bending prevention state. Next, while pressing t...

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
Patent Type & Authority Applications(China)
IPC IPC(8): B21J5/08B21K1/12
CPCB21J5/08
Inventor 大泷笃史
Owner SHOWA DENKO KK
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