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Tool & Die Making : The Foundation of Quality Castings

Tool & Die Making : The Foundation of Quality Castings

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Tooling is the heart of die casting – it determines precision, lifespan, and yield. We specialize in the design and manufacturing of high-quality die casting molds, building the foundation for superior castings.

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I. Mold Design – Defining Quality from the Source

We incorporate key elements such as mold configuration, draft angles, and machining allowances at the design stage. Using CAE mold flow analysis, we simulate molten metal flow to predict and optimize filling issues, air entrapment, and cold shuts. We also provide DFM (Design for Manufacturability) reports to help customers refine product structures.

II. Tool Steel – The Foundation of Quality

We offer multi-tiered steel solutions for different requirements:

Standard – H13 / SKD61: Most widely used hot work tool steel, balancing thermal fatigue resistance and toughness

High-Performance – DAC55: ~25% improvement in hot strength and thermal cracking resistance, ideal for high-volume production

Premium – 8418 / 8407: Excellent thermal shock resistance, compliant with NADCA #207 standards

Our heat treatment process features vacuum quenching with triple tempering, achieving 46-50 HRC hardness – the optimal balance between hardness and toughness.

III. Precision Machining

CNC roughing → CNC finishing → Deep hole drilling → CNC electrode machining → EDM → Wire EDM → Polishing → Grinding. End-to-end precision control ensures dimensional accuracy and surface quality of cavities and parting lines.

IV. Assembly & Tryout

Precision assembly of cores, mold base, slides, ejector pins, cooling systems, and hydraulic cylinders. Die spotting verifies parting line mating accuracy. We conduct 2-3 trial runs (T1/T2/T3) to ensure production stability and repeatability.

V. Delivery & After-Sales – A Long-Term Partnership

Warranty: 2 years or 80,000 shots (whichever comes first), covering material defects and heat treatment issues.

After-Sales Support: Mexico plant supports local sampling, repair, and service; lifetime technical support; mold maintenance guidance.

Our Tooling Capabilities at a Glance:

Capability Specification

  • Cavities 1 – 8
  • Mold lifespan (aluminum) 80,000 – 100,000 shots
  • Mold weight Up to 10 tons
  • Compatible machines 200T – 4,500T
  • Tool steel H13 / SKD61 / DAC55 / 8418
  • Hardness 46 – 50 HRC
  • Lead time 35 – 45 days (after drawing approval)
  • Warranty 2 years or 80,000 shots

Why Choose Us?

  • Dual facilities: Foshan, China + Monterrey, Mexico (20,000㎡ each)
  • Mexico plant supports local sampling, repair, and service
  • Certified: IATF 16949 / ISO 9001
  • Complimentary mold flow analysis + lifetime technical support

Contact us for a tooling quote.

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Simon Fu

I am the founder of Bian Diecast, a precision die-casting solution provider specializing in both high-performance molds and high-quality aluminum die-cast components. With over 100 successful projects delivered across 15+ countries, I bring deep expertise across the entire value chain — from mold design and optimization to large-scale casting production. Today, we proudly serve as a strategic supplier to China’s top 5 EV brands, producing critical die-cast parts such as DC/DCC/OBC/PTC/EVCC converter housings and structural components. I share hands-on factory insights to help you make smarter, more confident sourcing decisions — whether you need a custom mold or ready-to-install castings. Need expert manufacturing support for your next project? Let’s talk.

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