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Post - treatment and equipment of die - casting parts(二)
Jun 26, 2018

Process

Usage and key points

Equipment

Stable processing

The annealing or aging treatment is sometimes required for stable dimensions and stress relief.

Heat treatment furnace

Repair

The defect of large complex die casting parts can be repaired by welding if technical conditions permit, or inserts of the same material that must be achieved the required shape and size.

Welding machine etc.

Osmotic treatment

In order to eliminate the shrinkage cavity, porosity and porosity of die casting, and improve the air tightness of casting, the leachate can be put into the die casting. Process as follows: remove grease and dry Impregnation tankInhale preheated sealants in a vacuum and completely immersepressurized then hold for a whilerelease the sealant by unloading the pressure→wash and dry the parts

Vacuum pressure infiltration device

Surface treatment

The surface quality of die casting is improved by grinding and polishing

Screw vibrating grinder, Centrifugal grinder, Polishing machine

Shot blasting to strengthen the surface of casting, bright color, fine and beautiful, and improve corrosion resistance.

Hook type shot blasting machine, Caterpillar shot blasting machine


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