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Help CenterPrecision CNC S136 Steel Mold Insert Core IATF 16949 Mirror Polished Surface Auto Pump Metal Components Custom Fabrication Factory SE Asia Export
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As a leading precision mold manufacturer based in Changzhou, Jiangsu, China, Changzhou Hongxinyutai Precision Mold Co., Ltd. is proud to offer our Precision CNC S136 Steel Mold Insert Core with mirror-polished surface, specifically designed for auto pump metal components. Established in 2017, our factory spans 1,000-3,000 square meters with a dedicated team of 51-100 skilled professionals. We specialize in custom fabrication of high-quality mold inserts and cores, serving clients across Southeast Asia, Europe, Americas, and beyond. Our TS16969-certified quality management system ensures every component meets rigorous automotive standards, delivering exceptional durability, dimensional accuracy, and surface finish.
This product is engineered for demanding injection molding or die-casting applications where precision and longevity are critical. The S136 stainless steel material provides excellent corrosion resistance and wear performance, while the mirror-polished surface (Ra ≤ 0.05 μm) ensures easy demolding and superior part aesthetics. We combine advanced CNC machining, EDM, and grinding techniques to achieve tight tolerances down to ±0.005 mm, making it ideal for complex automotive pump components that require consistent performance under high pressure and temperature.
Key Features & Technical Specifications
- Premium Material: S136 (equivalent to 1.2083) stainless steel, hardened to 48-52 HRC for extended mold life.
- Mirror Polished Surface: Achieved through multi-stage diamond polishing, providing a mirror-like finish that reduces friction and sticking.
- High Precision CNC Machining: 5-axis CNC capabilities ensure complex geometries and tight tolerances.
- Custom Fabrication: We offer full customization based on your 3D CAD model or sample, including core pins, inserts, sliders, and cavities.
- 100% Quality Inspection: Every insert undergoes CMM, vision inspection, and surface roughness measurement before shipment.
- TS16969 Certified: Our production processes comply with automotive quality standards, ensuring traceability and consistency.
- Export Ready Packaging: Vacuum-sealed, anti-rust, and foam-packed for safe transportation to Southeast Asia and worldwide.
| Parameter | Standard Value | Customizable? |
|---|---|---|
| Material | S136 (1.2083) | Other grades available |
| Hardness | 48-52 HRC | 50-54 HRC optional |
| Surface Roughness | Ra ≤ 0.05 μm | Ra ≤ 0.02 μm achievable |
| Dimensional Tolerance | ±0.01 mm | ±0.005 mm upon request |
| Max Size (LxWxH) | 400 x 300 x 200 mm | Larger sizes available |
| Application | Auto pump components | General automotive, hydraulic, medical |
Our Precision CNC S136 Steel Mold Insert Core offers distinct advantages for your production line:
- Reduced Cycle Time: Mirror polished surface minimizes plastic adhesion, speeding up ejection and reducing cooling time.
- Longer Mold Life: Premium S136 steel with high hardness resists wear, cracks, and corrosion, even in harsh molding environments.
- Consistent Part Quality: Tight tolerances ensure repeatable dimensional accuracy for every shot, critical for automotive pump sealing and flow performance.
- Cost-Effective Customization: Our in-house tooling and quick turnaround (15-25 days) allow you to iterate designs without long lead times.
- Global Export Expertise: We have extensive experience exporting to Southeast Asia, Europe, and the Americas, handling all documentation and logistics.
At Changzhou Hongxinyutai Precision Mold Co., Ltd., we pride ourselves on delivering reliable, high-performance mold components. Our factory is equipped with 20+ CNC machines, 5 EDM units, and advanced inspection equipment. We have served over 200 clients globally, with 95% on-time delivery rate. Our team of 51-100 includes experienced engineers who provide technical support from design review to final production. We are committed to continuous improvement, investing in new technologies such as 5-axis machining and automated polishing to meet the most demanding requirements.
We invite you to partner with us for your next project. Send us your 3D model or sample, and we will provide a detailed quotation within 48 hours. Our dedicated sales team will guide you through the customization process, material selection, and surface finish options. With flexible payment terms and FOB Jiangsu, Shanghai, or Shenzhen, we make it easy to import high-quality mold inserts for your auto pump manufacturing. Contact us today to discuss your needs and experience the Hongxinyutai difference.
Frequently Asked Questions (FAQ)
Q1: What is the typical lead time for a custom mold insert core?
A: Standard lead time is 15-25 working days after design approval. Complex geometries or large sizes may require 30-35 days. We always provide an accurate schedule before order confirmation.
Q2: Can you achieve a mirror polish on S136 steel?
A: Yes, we specialize in mirror polishing to Ra ≤ 0.05 μm. For even higher gloss (Ra ≤ 0.02 μm), we can apply additional polishing steps at an extra cost.
Q3: Do you have experience with auto pump components specifically?
A: Absolutely. We have produced inserts for oil pump housings, water pump impellers, fuel pump valves, and many other automotive pump parts. Our engineers understand the tight tolerances and material requirements for these applications.
Q4: What certifications does your factory hold?
A: We are certified under TS16969 (equivalent to IATF 16949 requirements). We also follow ISO 9001 quality management principles. Our processes are audited regularly to ensure compliance.
Q5: Do you offer free samples or prototypes?
A: We can provide a prototype or sample at cost. For custom orders, we typically require a 50% deposit, with the balance due before shipment. Sample lead time is 10-15 days.
Q6: How do you ensure the surface finish quality before shipping?
A: Each insert is inspected using a profilometer for surface roughness, visual inspection under proper lighting, and a plastic injection test if requested. We provide a quality report with photos.
Q7: Can you handle large-volume orders for auto pump components?
A: Yes, our factory capacity is 500-800 mold inserts per month. We can scale up production with additional shifts. For large orders, we can arrange partial shipments to meet your schedule.
Q8: What is your shipping method to Southeast Asia?
A: We ship via sea freight (FOB Shanghai, Shenzhen, or Jiangsu) or air freight depending on urgency. We partner with major carriers like DHL, FedEx, and Maersk. All shipments are insured and tracked.
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