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

Broach for machining inner hexagonal connecting bolt and broaching method

A corner connection and bolt technology, which is applied in the field of broach and broaching for processing inner hexagon connection bolts, can solve problems such as affecting the performance of parts, cumbersome processing technology, large batches, etc., and achieves high processing efficiency, simple operation and long service life. Effect

Inactive Publication Date: 2020-04-10
SHENYANG LIMING AERO-ENGINE GROUP CORPORATION
View PDF11 Cites 4 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The inner hexagonal connection bolts are mostly difficult-to-machine aviation materials including GH4169, 0Cr18Ni9, Z1Cr18Ni9Ti, 1Cr17Ni2. They are typical small parts of aero-engines and have large batches. The "remelted layer" affects the performance of parts, and electrochemical treatment is required, and the processing technology is cumbersome

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
  • Broach for machining inner hexagonal connecting bolt and broaching method
  • Broach for machining inner hexagonal connecting bolt and broaching method
  • Broach for machining inner hexagonal connecting bolt and broaching method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0030] In order to better explain the present invention and facilitate understanding, the technical solutions and effects of the present invention will be described in detail below in conjunction with the accompanying drawings through specific implementation methods.

[0031] Such as Figure 3-6 As shown, a broach for machining hexagonal socket connection bolts includes a tail handle 1, a guide part and a working part. clip; the guide part is the front guide 2 and the rear guide 5, which play a role in guiding and positioning during the working process; the working part is rough cutting and shaping gradual cutting, and all the cutter teeth not only cut the allowance but also play the role of centering Function, the rough cutting part is composed of the rough cutting teeth 3 and the chip space between the two teeth; the rough cutting teeth 3 have a "V"-shaped chip breaker, and the front and rear teeth are arranged alternately. In this embodiment, the "V" shape The edge width 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

PropertyMeasurementUnit
widthaaaaaaaaaa
widthaaaaaaaaaa
hardnessaaaaaaaaaa
Login to View More

Abstract

The invention relates to a broach for machining an inner hexagonal connecting bolt and a broaching method. The broach comprises a tail handle, guide parts and a working part, and from right to left the front part is the machining reference of the rear part; and a groove connected with a machine tool is reserved in the tail handle, and the tail handle and the machine tool are clamped according to the half clamping design of a puller. The guide parts are respectively a front guide part and a rear guide part. The working part comprises rough cutting and shaping gradual cutting; the front cutter teeth and the rear cutter teeth are alternately arranged, and V-shaped chip breaker grooves are formed in the rough cutting cutter teeth; the cutter teeth of the working part are gradually cut and formed from right to left along with increase of the number of the teeth along with increase of the tooth rise amount; and the broach has an inverted cone size. The broach is long in service life, and thebroaching method is high in machining efficiency, easy to operate and high in reliability.

Description

technical field [0001] The invention belongs to the technical field of aero-engines, and in particular relates to a broach and a broaching method for processing inner hexagon connection bolts. Background technique [0002] The inner hexagonal connection bolts are mostly difficult-to-machine aviation materials including GH4169, 0Cr18Ni9, Z1Cr18Ni9Ti, 1Cr17Ni2. They are typical small parts of aero-engines and have large batches. The "remelted layer" of the part affects the performance of the part, and electrochemical treatment is required, and the processing technology is cumbersome. Therefore, there is a need for a broach and a broaching method for processing hexagon socket head connection bolts for aero-engines, so as to avoid producing "remelted layers" and improve the processing quality and efficiency of such parts. Contents of the invention [0003] Aiming at the deficiencies in the prior art, the present invention provides a broach and a broaching method for processin...

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): B23D43/02B23P15/00
CPCB23D43/02B23P15/00
Inventor 刘健何立民李之超马金龙刘俊平
Owner SHENYANG LIMING AERO-ENGINE GROUP CORPORATION
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