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Customization of Rubber Molds for Auto Parts - High-Precision Solutions & Service Details
Core Pain Points: Industry Challenges in Rubber Molds for Auto Parts
New energy vehicle and traditional automakers have stringent requirements for rubber part molds, commonly facing three major issues: insufficient precision leading to seal leakage (failure occurs when tolerance exceeds ±0.02mm), short mold lifespan (ordinary molds only last 100,000-200,000 cycles), and delayed delivery cycles that lag behind vehicle model iteration rhythms (8-12 weeks on average in the industry), seriously hindering production capacity release.
Problem Analysis: Root Cause Lies in Disconnection Between Standards and Processes
Verified through practical operations, the core of the problem stems from three aspects: first, failure to adapt to international mold standards (such as HASCO, MISUMI) resulting in poor part compatibility; second, mismatched material selection with rubber properties leading to insufficient wear and temperature resistance; third, lack of digital design tools causing high mold trial repetition rate and prolonged T1 testing cycle.
Customized Solutions: Full-Link Standardized Implementation
1. Design and Standard System
Supports standards including DEM, HASCO, MISUMI, and Modepao. Accepts drawing formats such as STP, STEP, X_T, DWG, and DXF. Adopts NX, CAD, PROE, and SOLIDWORKS for modeling, combined with MOLDFLOW simulation to avoid warpage and shrinkage in advance.
2. Precise Material Matching
|
Mold Material |
Compatible Rubber Material |
Applicable Parts |
Mold Lifespan (Cycles) |
|
S136/2083 |
Silicone, Fluororubber |
Seals, Oil Seals |
500,000+ |
|
P20/718 |
Nitrile Rubber (NBR) |
Shock Pads, Bushings |
300,000+ |
|
SKD61/2344 |
High-Temperature Vulcanized Rubber |
Engine Peripheral Parts |
800,000+ |
|
Beryllium Copper/CR12 |
Special Rubber |
Precision Sensor Sleeves |
400,000+ |
3. Delivery and Testing Specifications
Standard molds are delivered within 30-45 days, and complex parts within 60 days; T1 testing is completed in 3-5 days, including dimensional accuracy and demolding stability verification. Packaging adopts export-standard wooden cases, with EXW terms. Supports supporting injection molding of rubber materials (silicone, fluororubber, nitrile rubber).
Implementation Results: Dual Improvement in Efficiency and Quality
Through the standardized solution, mold precision is controlled within ±0.01mm with Ra≤0.2μm, suitable for core auto parts such as engine oil seals and shock pads; mold lifespan is 2-3 times longer than the industry average, with a customer mold trial pass rate of 98%, helping automakers shorten the new vehicle model iteration cycle by 30%.
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