Aluminum Gravity Casting Product

Aluminum gravity casting Introduction:

The gravity-casting means the part is injected by the earth's gravity. The generalized gravity casting includes sand casting, Metal mold casting (permanent mould casting), investment casting, Lost Foam Casting, Mud casting etc. The narrow meaning of gravity casting is metal mold casting (permanent mould casting).

The permanent mold casting is modern technology that the mould made by heat resistant alloy steel.

The metal liquid generally injected into the gate by manual. Full of cavity depend on weight of liquid metal, exhaust, cool, open mould and get products.

Process flow: smelting, filling cavity, exhaust, cool, open mould, heat treatment, downstream processing.

The characteristics of the aluminum gravity casting product:

1. Less casting porosity, heat treatment can be performed. The strength of the product can be improved greatly after heat treatment, better than die casting parts.

2. Product density is low, molding depend on the liquid weight, the density of the product is lower than die casting parts, its strength is slightly worse, but the elongation is higher.

3. The product surface finish is not high. Easy form similar blasting pit on the surface of casting products after cooling contraction.

4. Slow filling and low production efficiency, the production efficiency is only about a quarter compare the high pressure casting, caused the product cost is high.

5. Mould life is longer than die casting mould, and mould cost is low also.

6. Process is relatively simple.

7. Not suitable for production of thin wall parts.

Aluminum alloy gravity casting material chemical component

Commonly used materials of aluminum alloy gravity casting product: ZL101, A356.2, A360, AlSi7Mg;

The precision of the aluminum gravity cast: ±0.3mm;

Smoothness of surface of rough part: Ra6.4;

Shrinkage rate of aluminum gravity cast part: 0.7%;

Material wastage rate: 5%;

General aluminum die-casting machining allowance: 1.5mm~2mm;

Surface preparation methods: T6, Sand blasted, Shot blasting, Powder coating, Painting, Plating, Electrophoresis, Polishing

Our company's production equipment and management system

CNC machining center: 8 sets AIGEMA A-8;

CNC lathe machine: 6 Guangzhou Machines and 7 Shenyang Machines;

Work days of one week: From Monday to Saturday;

Shift work: 2 shift per day;

Working hours: From AM 8:00 to PM 5:00;

2D and 3D drawing Software: AutoCAD, UG, Pro/E, SolidWorks 2013;

QC control: New type NANO CMM, FPI M5000 desktop metal analyzer, Easson projector, Mechanical properties tester.

The Aluminum Alloy Gravity Cast production and QC control

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Product Categories : Aluminum Gravity Casting Part