High precision machining method for double-head cross hole in bolt shaft

A high-precision machining and cross-crossing technology, which is applied to metal processing equipment, manufacturing tools, and drilling molds for workpieces, can solve the problems of cross-hole machining that cannot be perpendicular to each other, rework, and improper installation, etc., to achieve It is conducive to quick response, improved efficiency, and easy plug-in and plug-in effects

Inactive Publication Date: 2020-07-10
CHENGXI SHIPYARD
View PDF7 Cites 2 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the above processing methods often lead to the fact that the processing of the cross holes cannot pass through the center perpendicular to each other, the installation is not in place, and rework is often required, causing more quality problems

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
  • High precision machining method for double-head cross hole in bolt shaft
  • High precision machining method for double-head cross hole in bolt shaft
  • High precision machining method for double-head cross hole in bolt shaft

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0034] The specific implementation manners of the present invention will be further described below in conjunction with the drawings and examples. The following examples are only used to illustrate the technical solution of the present invention more clearly, but not to limit the protection scope of the present invention.

[0035] Such as Figures 1 to 6 Shown is an embodiment of a high-precision machining method for a double-headed cross hole on a bolt shaft of the present invention, including the following steps:

[0036] (1) Drilling template making: design and manufacture a pair of cross hole drilling templates 3 for drilling cross holes 2 at both ends of the bolt shaft 1, the cross hole drilling template 3 is a flipping drilling template with a 90-degree flip surface; The cross-hole drilling template 3 is positioned with the outer circle of both ends of the bolt shaft 1, and is provided with two guide holes 4 located in the cross direction, and the inner diameter 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

No PUM Login to view more

Abstract

The invention discloses a high precision machining method for a double-head cross hole in a bolt shaft The method comprises the following steps of (1) drill jig manufacturing: designing and manufacturing a pair of overturn cross hole drill jig with 90-degree overturn surfaces; (2) electric soldering iron reforming: reforming the heads of a pair of electric soldering iron to a positioning shaft; (3) drill jig positioning and clamping; (4) first time drilling: drilling one hole in the double-head cross hole in the bolt shaft by a drill bit separately; (5) electric soldering iron gapless positioning: separating the positioning shafts of the pair of electric soldering iron into drilled holes, separately, and connecting a power supply for thermal expansion gapless positioning; (6) drill jig overturning and clamping; and (7) second time drilling: drilling the other hole in the double-head cross hole by the drill bit, separately; and after drilling, unloading the electric soldering iron and the cross hole drill jig after the electric soldering iron is cooled. The method improves the machining precision of the double-head cross hole and is low in implementation cost.

Description

technical field [0001] The invention relates to the technical field of machining, in particular to a high-precision machining method for a double-headed cross hole on a bolt shaft. Background technique [0002] In shipbuilding and repairing production, it needs to be processed as attached figure 1 In the bolt shaft 1, the two ends of the bolt shaft are respectively provided with cross holes. There are three main requirements for the cross holes: one is that the cross holes themselves must be strictly perpendicular to each other and pass through the central axis of the bolt shaft; The cross holes at both ends are completely consistent in their circumferential positions along the axis of the bolt shaft. Third, the inner surface of the cross holes is required to have a higher quality. [0003] The processing of the cross hole of the bolt shaft was originally completed by drilling equipment or a boring machine under multiple clamping. However, the above-mentioned processing me...

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): B23B35/00B23B47/28B23K3/03B23K1/00
CPCB23B35/00B23B47/28B23K1/0008B23K3/0338
Inventor 黄雪峰宋志江
Owner CHENGXI SHIPYARD
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