on-Demand Prototype Machining Services with Tight Tolerance and Quick Turnaround

1. Mold Design and Preparation
The process begins with designing a mold or die based on the product's specifications.
The mold is typically made from hardened steel and consists of two halves: the stationary (fixed) half and the moving (ejector) half.The mold is prepped and cleaned before each casting cycle to ensure smooth production.
2. Melting the Aluminum
Aluminum alloy ingots are melted in a furnace at temperatures around 660°C (1220°F). The molten aluminum is kept at a specific temperature to ensure fluidity and optimal casting properties.
3. Injection into the Mold
The molten aluminum is injected into the mold cavity under high pressure, typically ranging from 1,500 to 25,000 psi. This pressure ensures that the molten metal fills every detail of the mold quickly and efficiently.
There are two primary types of injection:
Hot chamber die casting (used less for aluminum due to high melting points)
Cold chamber die casting, where the molten aluminum is ladled into the injection chamber for each cycle.
4. Cooling
Once the molten aluminum fills the mold, it begins to cool and solidify rapidly. Cooling time depends on the part's thickness and the material used but typically takes a few seconds to a minute.
5. Ejection
After the part solidifies, the moving half of the mold opens, and ejector pins push the cast aluminum part out of the mold. This stage requires precision to avoid damaging the part.
6. Trimming
Excess material, such as flash (thin layer of metal that leaks between mold halves), and runners, is removed in the trimming process. Trimming is usually done manually or by using trimming presses.

Depending on the product's requirements, additional machining operations (such as drilling, milling, or tapping) might be performed to achieve the final shape and dimensions.
Surface treatments like polishing, powder coating, anodizing, or painting can be applied to improve corrosion resistance and surface aesthetics.
8. Quality Inspection
The finished parts are inspected for defects, such as porosity, cracks, or dimensional inaccuracies. Common inspection methods include X-ray analysis, dimensional checks, and surface finish evaluations.
9. Packaging and Shipping
Once quality standards are met, the parts are packed according to customer requirements and prepared for shipment.This streamlined process ensures that aluminum die casting is efficient and cost-effective, especially for large production runs of intricate parts.

Q1: Samples Leading Time?
A: Mould items ( casting & injection plastic):15-20 days

Q2: Shipment terms:
A: FOB QINGDAO /SHANGHAI/Tianjin CIF,DDP

Q3: Do you have a minimum order quantity limit?
A: The minimum order quantity is low, and 1pc sample is available for inspection.

Q4: How do you deliver the goods and how long does it take to arrive?
A: We usually deliver goods by DHL, UPS, FedEx or TNT. It usually takes 3-5 days to arrive. Sea and air transportation are also optional.

Q5: Whether inspection to keep the quality ?
1.Accessories samples inspeciton;
2.Finished samples inspeciton;
3.First article inspection ;
4.Rounting inspeciton ;
5.Spot inspection;
6.100% inspection if requested .

Q6: How Can Your Custom Manufacturing Services Enhance Our Product Quality And Market Appeal?
A: Our state-of-the-art manufacturing processes, including laser cutting, CNC machining, and Casting,ensure precision and quality. By partnering with us, you'll gain access to superior quality products that stand out in the market, elevating your brand's reputation and customer satisfaction.

Q7: As A Business With Varying Demands, How Can Your Low MOQs Benefit Us?
A: We understand the dynamic nature of your demands. Our flexible production lines and low MOQs mean you can respond swiftly to market changes without overcommiting resources, ensuring your business stays agile and cost-effective.

Q8: What Assurances Can You Offer In Terms Of Delivery Timelines And Supply Reliability?
A: With over 20 years of experience and a proven track record in serving international markets, we pride ourselves on timely delivery and supply reliability. Our efficient production management and logistics expertise mean you can count on us for consistent supply, keeping your operations smooth and uninterrupted.