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

Centrifugal casting method and device of magnesium alloy hub

A technology of centrifugal casting and magnesium alloy, which is applied in the field of casting, can solve the problems of incomplete filling, shrinkage cavity, shrinkage crack, etc., and achieve the effect of dense casting structure, improved quality and low production scrap rate

Active Publication Date: 2009-11-18
SHANGHAI MERIDIAN MAGNESIUM PROD CO LTD
View PDF0 Cites 12 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The technical problem to be solved and the technical task proposed by the present invention are to overcome casting defects such as incomplete mold filling, shrinkage cavity, cold shut, hot crack and shrinkage crack that exist in casting magnesium alloy hubs in existing gravity and low pressure casting methods, and provide A magnesium alloy wheel hub centrifugal casting method and device, for this purpose, the present invention adopts the following technical solutions:

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
  • Centrifugal casting method and device of magnesium alloy hub
  • Centrifugal casting method and device of magnesium alloy hub
  • Centrifugal casting method and device of magnesium alloy hub

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0026] The present invention will be described in detail below in conjunction with the accompanying drawings.

[0027] Such as figure 1 , 2 The magnesium alloy hub centrifugal casting device shown is mainly composed of a rotary centrifugal casting machine 1, an upper mold 2, a lower mold 3 and two side molds 4:

[0028] The rotary centrifugal casting machine 1 has a frame body connected by columns 18. The upper part of the frame body is provided with a telescopic rod 12 driven by the lifting hydraulic cylinder 7 and guided on the frame body. A lifting block 13 is fixed at the lower end of the telescopic rod 12. , the upper mold 2 is connected on the lifting block 13 through the bearing structure 14 so that its axis is consistent with the longitudinal axis n-n mentioned below (see image 3 ), so the upper die 2 can rotate relative to the lifting block 13;

[0029] The bottom of the rotary centrifugal casting frame body has a fixed base 8, and a base plate 5 is installed by b...

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
densityaaaaaaaaaa
Login to View More

Abstract

The invention relates to a centrifugal casting method of a magnesium alloy hub, which belongs to the technical field of casting. The prior gravity and low-pressure casting method for casting the magnesium alloy hub exists the easily occurred casting defects of incompleteness of mould filling, shrinkage cavity, cold shut, hot cracking, shrinkage cracking, and the like. An upper die, a side die and a lower die of a die are matched and then held into a whole, then gravity center casting is carried out for the matched die, the die is enabled to rotate around the axes thereof for a set time and then stop before cast magnesium melt solidifies, the cast mode can be divided into casting before die rotating and casting after die rotating according to the technological requirements of concrete products, and the die is opened to take out a cast after the magnesium alloy melt solidifies. With the method, the magnesium melt in the die can rapidly fill shrinkage towards peripheral parts under the action of centrifugal force to enable cast products to be full and compact, and the method has the advantages of low production rejection rate, compact structure of casts, improvement of quality of workpieces, and the like.

Description

technical field [0001] The invention belongs to the technical field of casting, in particular to a magnesium alloy hub centrifugal casting method and device. Background technique [0002] At present, aluminum alloy wheels are realized by gravity center casting. Gravity casting refers to the method of pouring molten metal into the cavity of the mold to form a casting through crystallization and solidification. This method relies on the action of gravity to make the molten metal fill the cavity of the mold and then crystallize and solidify; center casting is in the precast casting. The central part of the casting (for wheel hub products, generally at the position corresponding to the axis of the hub) is poured; while the gravity center pouring is to combine the characteristics of gravity pouring and center pouring to implement gravity pouring at the center of the pre-cast casting. This casting method The equipment cost is low, the mold manufacturing cycle is short, and the st...

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): B22D13/04B22D13/10
Inventor 盛晓方王爱民
Owner SHANGHAI MERIDIAN MAGNESIUM PROD CO LTD
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