Precise forming process of deep-hole button bit

A precision forming and ball tooth technology, applied in the field of metal plastic forming technology, can solve the problems of short life of forging die, high manufacturing cost, low material utilization rate, etc., and achieve the effect of improving overall strength and strength

Inactive Publication Date: 2013-09-18
盐城中德精锻股份有限公司
View PDF5 Cites 2 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the traditional forming method generally adopts machining method for direct drilling or first drilling and then reverse extrusion, so th

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
  • Precise forming process of deep-hole button bit

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0008] The specific content of the present invention will be described in detail below by means of the accompanying drawings and specific embodiments.

[0009] The precision forming process of the deep hole ball tooth drill bit includes the following process: pre-spheroidizing the billet, performing spheroidizing annealing, phosphorus, and saponification, and then using the method of back extrusion to obtain a large outer diameter and shallow hole depth. The cup-shaped parts with simple round holes are then annealed, phosphorus-treated, and saponified, and then the outer diameter and inner hole are continuously reduced and lengthened to obtain deep-hole parts by successively reducing the outer diameter. Diameter reduction depends on the specific analysis of specific parts. During back extrusion, since the inner hole of the part itself has a relatively large length and diameter, although the deformation has been reduced, the depth of back extrusion is still deeper than that of o...

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 precise forming process of a deep-hole button bit, which is low in processing cost. The forming process comprises technological processes as follows: material sawing, spheroidizing annealing, shot blasting, phosphating, saponifying, backward extruding, low-temperature annealing, shot blasting, phosphating, saponifying, outer diameter reducing, low-temperature annealing, shot blasting, phosphating, saponifying and head upsetting and forming. The precise forming process has the advantages as follows: with the adoption of a precise cold forging forming method, metal flow lines of parts are continuously and uniformly distributed in the direction of metal flowing, and particularly the inner cavity part which bears impact doesn't have the problem of cut-off flow lines, and the strength is improved greatly; and meanwhile, due to the specific cold hardening effect produced during plastic forming of metal, the whole strength of the parts is improved.

Description

technical field [0001] The invention relates to a metal plastic forming process, in particular to a precision forming process of a deep-hole button bit. Background technique [0002] Ball-tooth drill bit parts are a kind of parts used to install drill bits in engineering machinery. Among the ball-tooth drill bit parts, there is a kind of parts with special-shaped heads, and the ratio H / D of the hole depth to the minimum inner diameter is greater than 3.0. Such as figure 1 The deep hole button bit part shown is one of them, and its structure mainly includes: a deep hole button bit body 1, a head 2 arranged on the deep hole button body 1 and a setting head 2 A number of chip removal grooves on the 3. An inner hole is arranged in the deep hole button bit body 1, and because the inner hole is deep, it cannot be processed by common forging methods. Therefore, the traditional forming method generally adopts machining method for direct drilling or first drilling and then reverse...

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): B23P15/00
Inventor 朱胜沈建华王世祥李德山
Owner 盐城中德精锻股份有限公司
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