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Help CenterOEM NEV Water Pump Plastic Injection Parts: Gröditz GPM58 Single Cavity PPS+GF30 Tooling With Smooth Finish for SE Asian Tier-1 EV Makers
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At Changzhou Hongxinyutai Precision Mold Co., Ltd., we specialize in crafting high-precision injection molds for the rapidly growing electric vehicle industry. Established in 2017 with a 1,000–3,000 square meter facility and a dedicated team of 51–100 professionals, we are proud to introduce our OEM NEV Water Pump Plastic Injection Parts — featuring the Gröditz GPM58 Single Cavity Tooling in PPS+GF30 with a superior smooth finish. This tooling solution is specifically engineered to meet the stringent quality and performance demands of SE Asian Tier-1 EV makers, delivering consistent, high-volume production of water pump components that withstand extreme thermal and mechanical stress.
Our PPS+GF30 (Polyphenylene Sulfide with 30% glass fiber) material offers exceptional dimensional stability, chemical resistance, and high-temperature tolerance — critical for the hostile environment of an electric vehicle coolant system. The single cavity design ensures precise control over every part, eliminating variation and achieving tight tolerances (typically ±0.02 mm). The smooth finish on the cavity surface reduces friction and improves the flow of coolant, directly enhancing pump efficiency and lifespan. Backed by our TS16969 quality management system, every mold is manufactured and tested to automotive-grade standards.
Product Features & Technical Specifications
- Material: PPS+GF30 — high heat deflection temperature up to 260°C, excellent creep resistance, and low moisture absorption.
- Mold Base: Gröditz GPM58 premium steel — superior wear resistance, thermal conductivity, and dimensional stability.
- Cavity Configuration: Single cavity — ideal for high-precision, low-volume pilot runs or dedicated production lines requiring consistent quality.
- Surface Finish: Smooth finish (Ra ≤ 0.2 μm) — reduces part ejection force, minimizes wear, and ensures a glossy, defect-free surface.
- Injection System: Hot runner or cold runner (customizable) — optimized for PPS+GF30 to prevent fiber orientation issues.
- Cooling System: Conformal cooling channels — uniform temperature distribution, shorter cycle time, and reduced warpage.
- Ejection System: Hydraulic or mechanical ejectors — reliable and repeatable part release.
- Certification: Manufactured under TS16969 quality management system (IATF 16949 equivalent).
| Parameter | Value |
|---|---|
| Mold Dimensions (L×W×H) | 400 × 400 × 300 mm (customizable) |
| Mold Weight | Approx. 800 kg |
| Cavity Steel Hardness | HRC 52–54 |
| Cycle Time (estimated) | 25–35 seconds |
| Part Tolerance | ±0.02 mm (typical) |
| Mold Life Expectancy | 500,000 – 1,000,000 shots (with proper maintenance) |
Key Benefits for SE Asian Tier-1 EV Makers:
Our tooling is designed to deliver exceptional part quality with minimal scrap rate, thanks to the single cavity precision and advanced cooling technology. The smooth finish reduces downstream polishing or secondary operations, saving time and cost. The PPS+GF30 material ensures water pump components resist corrosion from glycol-based coolants and maintain dimensional stability under thermal cycling. Additionally, the Gröditz GPM58 steel provides long tool life, reducing downtime and replacement expenses. We also offer customizable options such as hot runner systems, sensor integration, and quick-change mold bases to fit your existing production line.
Trust & Reliability:
With over 7 years of experience in precision mold manufacturing, Changzhou Hongxinyutai Precision Mold Co., Ltd. has supplied molds to clients across North America, South America, Europe, Southeast Asia, and beyond. Our TS16969 certification demonstrates our commitment to automotive quality standards. We maintain a 51–100 person team and a 1,000–3,000 m² factory equipped with high-speed CNC machines, EDM, and CMM inspection equipment. Every mold undergoes rigorous testing before shipment, including trial runs at our in-house injection molding facility. We are dedicated to supporting your NEV water pump production with reliable tooling, competitive pricing, and on-time delivery from our ports in Jiangsu, Shanghai, and Shenzhen.
Contact us today to discuss your specific water pump tooling requirements. Our engineering team will work closely with you to optimize the mold design for your part geometry, volume, and budget. Let us help you accelerate your EV production with precision, durability, and cost-effectiveness.
Frequently Asked Questions (FAQ)
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Q: What is the typical lead time for this single cavity mold?
A: Lead time is approximately 45–60 days from design approval, depending on complexity and customization. We can expedite for urgent projects. -
Q: Can the mold material be changed from Gröditz GPM58 to another steel?
A: Yes, we offer alternative steel grades like S136, 8407, or H13 upon request. However, GPM58 is recommended for optimal performance with PPS+GF30. -
Q: Does the mold come with a hot runner system?
A: The standard configuration is a cold runner, but a hot runner system (e.g., from Yudo or Mold-Masters) is available as an optional upgrade. -
Q: What is the warranty period for the mold?
A: We offer a 12-month warranty against defects in materials and workmanship, covering normal use with proper maintenance. Extended warranty options are negotiable. -
Q: Can you produce molds for other NEV components besides water pumps?
A: Absolutely. Our capabilities extend to battery housings, cooling system manifolds, sensors, and other plastic injection parts for EVs. Please inquire with your specific requirements. -
Q: How do you ensure the smooth finish on the cavity?
A: We achieve Ra ≤ 0.2 μm through a combination of high-speed machining, EDM, and manual polishing by experienced toolmakers. Surface finish is verified with a profilometer. -
Q: Is TS16969 certification equivalent to IATF 16949?
A: TS16969 is our internal quality management system that aligns with automotive industry standards. For full IATF 16949 certification, we can discuss additional requirements. -
Q: What is the minimum order quantity (MOQ) for this tooling?
A: The MOQ is one mold set. For production parts, we can negotiate based on volume. We are flexible for both prototype and serial production.
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