The aluminum die casting part production flow chart
Commonly used materials of aluminum die casting: ADC12, ZL101, ZL102,A380, AlSi9Cu3, AlSi12(Fe);
The precision of the aluminum die casting: ±0.1mm;
Smoothness of surface of rough part: Ra1.6~Ra3.2;
Shrinkage rate of aluminum die casting products: 0.5%;
Material wastage rate: 5%;
General aluminum die-casting machining allowance: 0.5mm~0.7mm;
Surface preparation methods: Sand blasted, Shot blasting, Powder coating, Painting, Plating, Electrophoresis, Polishing
The specific pressure parameters of aluminum die casting part
Material | Thickness of die casting parts≤3mm | Thickness of Die Casting Parts>3mm | ||
Simple structure | Complex structure | Simple structure | Complex structure | |
Aluminum alloy | 25-35Mpa | 35-45Mpa | 45-60Mpa | 60-70Mpa |
Injection speed of die cast process
Pouring liquid metal tie up chamber volume percent | Injection speed(cm/s) |
≤30 30-60 >60 | 30-40 20-30 10-20 |
High speed computing formula
V -------------Cavity volume (CM3);
N ------------ Cavity No;
D ------------ Die-casting drift (CM);
T ------------- Proper filling time.
Holding pressure time
Material | Thickness of die casting part<2.5mm | Thickness of die-casting part>2.5~6mm |
Aluminum alloy | 1-2 | 3-8 |
Aluminum die casting mold temperature
Tm --------------- Aluminum Die Casting Mould required working temperature (℃);
Th -------------- Aluminum Alloy pouring temperature (℃);
△ t---------------The temperature control of tolerance (The general is 25℃).
The Aluminum Alloy Die Casting production and QC control