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| Parameter Category | Item | Standard Recommended Value | Remarks |
|---|---|---|---|
| Basic Info | Mold Model | Customized (SMC-M-XXX) | Compile according to product model |
| Applicable Products | Auto parts, sanitary ware, electrical enclosures | Suitable for SMC composite forming | |
| Cavity Quantity | Single cavity / Multi-cavity | Mass production: multi-cavity; complex parts: single cavity | |
| Mold Material | Cavity & Core Material | 718H / H13 / P20 | 718H: high polishing for appearance parts
H13: high temperature resistant, long service life P20: cost-effective |
| Mold Base Material | S50C / 45# steel | 45# steel for auxiliary parts | |
| Surface Treatment | Chrome plating / Nitriding | Nitriding improves hardness and mold life greatly | |
| Structural Design | Cavity Dimension | Product size + shrinkage 0.1%~0.2% | Reserve shrinkage along pressing direction |
| Draft Angle | Normal surface: 1°~2°
Deep rib: 3°~5° |
Prevent sticking and fiber peeling | |
| Parting Line | Max projection direction of product | Easy material filling, reduce flash | |
| Ejection System | Ejector pin / Stripper plate | Uniform ejection force to avoid product deformation | |
| Shear Edge Width | 2~5mm | Easy flash removal | |
| Heating System | Heating Type | Electric heating / Steam heating / Oil heating | Electric heating: precise temperature control |
| Mold Temperature | 135℃ ~ 170℃ | Thin wall: high temperature; thick wall: low temperature | |
| Process Parameters | Molding Pressure | 5~15MPa | Simple part: 5~8MPa; complex part: 12~15MPa |
| Holding Time | 1~5 min | Normally 1 min per 1mm wall thickness | |
| Charging Coverage Ratio | Non-flow forming ≥90%
Flow forming 25%~30% |
Avoid disordered fiber arrangement | |
| Performance Index | Mold Service Life | Conventional: 500,000~1,000,000 shots
H-grade: over 1,000,000 shots |
Depends on material and surface treatment |
| Temperature Uniformity | Temperature difference ≤±5℃ | Reduce product warpage and crack | |
| Pressure Resistance | ≥20MPa | Prevent cavity deformation under compression | |
| Matching Equipment | Required Press Tonnage | ≥800T | Calculated by pressure × projection area |
| Others | Mold Weight | 500~5000kg | Match press load capacity |
| Cycle Time | 60~180 seconds | Including heating, pressing and demolding |
| Transport Category | Method | Applicable Scope | Key Packaging | Transit Time | Cost | Safety | Core Notes |
|---|---|---|---|---|---|---|---|
| Domestic | Full Truck Road | ≤5000kg, same city/province | Anti-slip fixation + cavity protection | 4-8h (city); 12-24h (province) | Medium | ★★★★☆ | Avoid bumps; check fixation |
| LTL Logistics | Small molds (≤500kg), inter-provincial | Wooden box + anti-rust | 2-5 days | Low | ★★★☆☆ | No mixed heavy goods; cargo insurance | |
| Railway Container | Long-distance, oversize | Reinforced packing + buffer filling | 3-7 days | Medium | ★★★★☆ | Match container size | |
| International | Sea Freight (FCL) | Bulk shipment, cost-sensitive | ISPM15 wooden case + vacuum anti-rust | 20-45 days | Low | ★★★☆☆ | Fumigation cert; all-risk insurance |
| Air Freight | Urgent, small high-precision molds (≤300kg) | Shockproof foam + precision cover | 3-7 days | High | ★★★★★ | Confirm size limit; reduce transshipment | |
| Special | Oversized Cargo | >5000kg/overwide/overhigh | Load-bearing frame + GPS escort | 1-10 days | High | ★★★★☆ | Over-limit permit; route survey |
| Short-distance Transfer | Internal workshop (≤5km) | Forklift rubber sleeve + lifting lugs | 0.5-2h | Low | ★★★★☆ | Forklift load ≥1.5×mold weight |


High forming accuracy
The cavity is precisely processed and combined with positioning / locking mold structure, which can control the dimensional tolerance and surface consistency of SMC products.
Suitable for complex structures
It can design cavities with curved surfaces, reinforcing ribs, and insert slots, matching the fluidity of SMC sheets, achieving integrated molding of complex components and reducing subsequent assembly processes.