Aluminum Casting Foundry in China

Aluminum Casting Manufacturer -First 5 customers&products 

1. What is aluminum casting?

Aluminum casting is a manufacturing process where molten aluminum is poured into molds to create precision metal parts. As a leading aluminum casting manufacturer in China, Chongqing Sipx specializes in high-quality aluminum casting services for industries worldwide.

2. Why choose aluminum casting for industrial parts?

Aluminum casting offers lightweight, corrosion-resistant, and cost-effective solutions. Our aluminum casting foundry utilizes advanced techniques to ensure durability and dimensional accuracy.

3. What types of aluminum casting do you provide?

We offer:

• Die casting (high-volume production)

• Sand casting (complex geometries)

• low Pressure Casting

• Gravity casting (thick-walled components)
  As a trusted aluminum casting supplier in China, we customize services to meet your specifications.

4. How do you ensure quality control?

Our aluminum casting manufacturer team implements strict ISO-certified processes, including X-ray inspection and pressure testing, to guarantee defect-free parts.

5. What industries do you serve?

We supply aluminum casting parts for automotive, aerospace, machinery, and energy sectors. Contact us for tailored aluminum casting solutions.

6. Can you handle large-volume orders?

Yes! As a professional aluminum casting foundry in China, we support both prototyping and mass production with competitive lead times.

7. Do you offer global shipping?

Absolutely. Chongqing Sipx exports aluminum casting products worldwide, providing door-to-door logistics services.

8. ‌How to Eliminate Flow Marks and Pattern Defects in Aluminum Castings?‌

‌Symptom‌: Directional streaks or discolored patterns on casting surfaces.
‌Solutions‌:

• Maintain uniform mold temperature between 180-250℃ (356-482℉)
• Optimize gating system design to reduce metal splashing
• Increase molten aluminum injection pressure (80-120 MPa)
  As a leading ‌aluminum casting manufacturer in China‌, we utilize flow simulation software to prevent design-related defects proactively.

9. ‌What Causes Checking Cracks in Die Castings? Prevention Methods‌

‌Root Causes‌:

• Uneven shrinkage from improper mold temperature control
• Insufficient iron content (<0.8%) in aluminum alloy
  ‌China Foundry Expertise‌:
• Implement PID-controlled mold temperature balancing
• Enhance material ductility with Al-Si master alloys

10. ‌Control Measures for Oxide Inclusion Defects‌

‌Identification‌: Gray-white voids at part junctions.
‌Quality Assurance Protocol‌:

• Argon shielding during melting (O₂ content <30ppm)
• Ceramic foam filtration (40ppi) in pouring system
  Our ‌aluminum casting supplier‌ team adheres to ASTM B179/B179M-16 material standards.

11. ‌Solving Deformation in Large-Scale Integrated Castings‌

‌Key Challenges‌:

• Thermal stress from uneven cooling rates
• Suboptimal ejection system design
   Manufacturer Solutions‌:
• 4-point synchronized ejection mechanism
• Extended pressure holding time (up to 25s for 5kg parts)

12. ‌Advanced Porosity Reduction Techniques‌

‌Critical Parameters‌:

• Shot sleeve fill ratio >60%
• Concentric venting grooves (0.004″-0.006″ depth)
  Our ‌aluminum casting service‌ includes 100% X-ray inspection for critical components.

13. How to Prevent Cold Shut Defects in Thin-Wall Castings?‌

‌Symptom‌: Visible seams or incomplete fusion lines on thin-section surfaces.
‌Critical Causes‌:

• Premature solidification due to low pouring temperature (<660°C/1220°F)
• Turbulent metal flow from improper gate velocity (optimal range: 25-40 m/s)

‌Solutions‌:

• • Preheat molds to 200-220°C (392-428°F) for thin-wall geometries
  • Use vacuum-assisted casting to reduce air entrapment
  • Optimize runner design with 15°-20° taper for laminar flow