Precision OEM Mold for Thick-wall Compacts, 1x4 Cavities, Hot Runner, S136 Steel, Mirror Finish, IATF 16949:2016 Quality System
Product Spotlights
Changzhou Hongxinyutai Precision Mold Co., Ltd., established in 2017, operates a modern factory spanning 1,000–3,000 square meters with a dedicated team of 51–100 skilled professionals. As a specialized manufacturer of precision injection molds, we introduce our Precision OEM Mold for Thick-Wall Compacts — a robust 1x4 cavity hot runner system crafted from premium S136 steel with a mirror finish. This mold is engineered to deliver exceptional dimensional accuracy, flawless surface aesthetics, and long-term production reliability, making it an ideal choice for demanding applications in automotive, electronics, and consumer goods sectors.
Our mold is built under the stringent requirements of the IATF 16949:2016 quality management system, ensuring every component meets the highest standards of consistency and traceability. The hot runner technology minimizes material waste and cycle time, while the mirror finish (SPI A1) guarantees a glossy, defect-free surface on thick-wall parts. Whether you need a custom OEM solution or a standardized design, this mold offers the precision and durability your production line demands.
Key Features & Technical Specifications
- Steel Grade: Premium S136 stainless steel — excellent corrosion resistance, high polishability, and wear resistance for extended mold life.
- Cavity Configuration: 1x4 cavities, optimized for balanced filling and uniform part quality.
- Hot Runner System: Fully equipped with a multi-drop hot manifold and individual nozzle control to reduce gate vestige and improve cycle efficiency.
- Surface Finish: Mirror finish (SPI A1) achieved through precision diamond polishing, ensuring extremely low surface roughness (Ra ≤ 0.05 µm).
- Application: Specifically designed for thick-wall compact parts (wall thickness > 4 mm) requiring high dimensional stability and aesthetic appearance.
- Quality System: Manufactured in compliance with IATF 16949:2016, with full documentation for PPAP, MSA, and SPC capability studies available upon request.
- Cooling System: Conformal cooling channels integrated to accelerate heat dissipation and reduce warpage on thick sections.
- Mold Life: Expected to exceed 1,000,000 cycles under normal operating conditions with proper maintenance.
Detailed Parameter Table
| Parameter | Specification |
| Mold Base Size | Customizable (typical 500 x 600 mm) |
| Hot Runner Type | Multi-drop, electrically heated, with individual thermocouple control |
| Gate Type | Valve gate or open gate (configurable) |
| Part Material Compatibility | ABS, PP, PC, PA, PBT, PMMA, and engineering plastics |
| Maximum Injection Weight | Depends on part design, up to 500g per shot |
| Mold Weight | Approx. 800–1200 kg |
| Injection Pressure | Designed for 180 MPa max |
| Delivery Time | Typically 30–45 working days after design approval |
Why Choose This Mold for Your Thick-Wall Applications?
- Superior Dimensional Stability: The combination of thick-wall geometry and precise cooling control ensures minimal shrinkage and warpage, meeting tight tolerances.
- Mirror Finish Guarantee: Achieve a high-gloss, blemish-free surface on your parts without secondary polishing operations, saving production costs.
- Reduced Cycle Time: Hot runner technology eliminates sprue handling and reduces material waste, while conformal cooling accelerates cooling, leading to up to 20% shorter cycles compared to cold runner alternatives.
- IATF 16949:2016 Compliance: Full traceability from raw material to finished mold, with documented APQP and PPAP deliverables. Our system is audited and maintained to meet automotive industry standards.
- OEM Flexibility: We work closely with your design team to customize cavity layout, gate position, cooling channels, and ejector systems based on your part geometry and production requirements.
- Global Shipping: Conveniently shipped from Jiangsu, Shanghai, or Shenzhen ports to major markets worldwide including North America, Europe, Southeast Asia, and Oceania.
Trust & Reliability Backed by Our Experience
Since 2017, Changzhou Hongxinyutai Precision Mold Co., Ltd. has successfully delivered hundreds of precision molds to clients across North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, the Middle East, and more. Our 51–100 employees bring decades of combined expertise in mold design, machining, and testing. We hold TS16969 certification (equivalent to IATF 16949), reinforcing our commitment to quality. Every mold undergoes rigorous inspection including hardness testing, 3D coordinate measurement, and trial runs before shipment. Our dedication to on-time delivery and customer satisfaction has earned us long-term partnerships with leading automotive and consumer goods manufacturers.
This precision OEM mold for thick-wall compacts is not just a tool — it’s an investment in consistent, high-quality production. Contact us today to discuss your specific part requirements and let us provide a tailored solution that maximizes your output and reduces your total cost of ownership.
Frequently Asked Questions
Q1: What is the typical turnaround time for this mold?
A1: After receiving the final design approval, delivery is generally 30–45 working days. Expedited options may be available upon request.
Q2: Can you modify the cavity number from 1x4 to a different configuration?
A2: Yes, we offer flexible cavity layouts. The 1x4 shown here is a standard configuration, but we can design 1x2, 1x6, or other custom arrangements based on your production volume.
Q3: What materials can be processed with this mold?
A3: The mold is compatible with a wide range of thermoplastics including ABS, PP, PC, PA66, PBT, PMMA, and many engineering grades. For high-temperature or abrasive materials, alternative steel options (e.g., 420SS, H13) can be used.
Q4: Do you provide trial shots before shipping?
A4: Absolutely. We conduct full trial runs at our facility to validate cycle time, part quality, and dimensional accuracy. A trial report and sample parts are provided for your approval before shipment.
Q5: Is the IATF 16949:2016 certification mandatory for your molds?
A5: Our manufacturing processes are aligned with IATF 16949:2016 requirements. If you need formal PPAP documentation and full compliance evidence, we can provide it as part of the order.
Q6: What kind of surface finish can I expect on the parts?
A6: With the mirror finish mold (SPI A1), parts will have a high-gloss, mirror-like surface with no visible tool marks. Roughness values typically achieve Ra ≤ 0.05 µm.
Q7: Can you integrate additional cooling circuits for thick-wall parts?
A7: Yes, we design conformal cooling channels tailored to the thick-wall geometry to ensure uniform heat dissipation and minimize cycle time. This is a standard part of our engineering service.
Q8: How do you guarantee mold durability?
A8: We use premium S136 steel with heat treatment to 48–52 HRC, combined with proper maintenance instructions. Under normal production conditions (e.g., running ABS at 220°C), the mold can exceed 1,000,000 shots.
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