| Quantity: | |
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Plastic Cap Injection Molds: Precision Engineered for High-Volume Production
Dimensional Accuracy: Tolerance control of ±0.005mm ensures uniform thread profiles, anti-tamper rings, and sealing surfaces—critical for leak-proof cap functionality.
Advanced Cavity Design: Optimized flow channels eliminate material waste and ensure even plastic distribution, reducing defect rates to <0.1%.
Long-Lasting Durability: Constructed with S136/H13 stainless steel (hardness HRC 52-58) and nitriding treatment, molds maintain precision for 2-5 million cycles.
Multi-Cavity Configuration: Available in 16/32/64/128 cavities to match production capacity needs (output: 50,000-500,000 caps/day per mold).
Fast Cycle Time: Integrated cooling systems (spiral/straight cooling channels) reduce molding cycle to 8-15 seconds per shot.
Automation Compatibility: Designed for seamless integration with robotic part removal and quality inspection systems.
PP (Polypropylene) – For mineral water, pharmaceutical caps
HDPE (High-Density Polyethylene) – For detergent, edible oil caps
PET (Polyester) – For carbonated beverage caps
LDPE (Low-Density Polyethylene) – For flexible sealing pads
Biodegradable plastics (PLA/PHA) – For eco-friendly packaging solutions
Thread types (continuous/interrupted threads)
Special features (child-resistant locks, measuring cups, flip-tops)
Branding elements (embossed logos, QR codes)
Mold base compatibility (LKM/HASCO/DME standards)
Design Engineering
3D modeling (SolidWorks/UG) for mold structure and flow simulation
DFM (Design for Manufacturing) analysis to optimize producibility
Material Selection
Mold core/cavity: S136/H13 stainless steel (corrosion-resistant, wear-proof)
Mold base: 45# steel or P20 steel (high rigidity)
Precision Machining
CNC milling (accuracy ±0.003mm)
EDM wire cutting for complex cavities
Mirror polishing (Ra ≤ 0.02μm) for smooth cap surfaces
Assembly & Testing
Component fitting and hydraulic system calibration
Trial injection with target materials to verify dimensional accuracy
Leakage and durability testing (10,000-cycle validation)
| Parameter | Specification |
| Cavity Number | 16/32/64/128 (customizable) |
| Mold Accuracy | ±0.005mm |
| Cycle Time | 8-15 seconds |
| Mold Material | Core/Cavity: S136/H13; Base: 45#/P20 Steel |
| Hardness | HRC 52-58 (core/cavity) |
| Cooling System | Spiral/straight cooling channels |
| Runner System | Hot runner/cold runner (optional) |
| Weight | 500-3000kg (varies by cavity number) |
| Compatibility | Injection Machines: 50-300 Ton Clamping Force |
Beverage caps (mineral water, carbonated drinks, juice)
Pharmaceutical caps (child-resistant, tamper-evident)
Household chemical caps (detergent, shampoo, oil)
Food packaging caps (condiments, sauces, snacks)
Special-function caps (sports caps with straws, measuring caps)
Longevity Design: Extend mold lifespan to reduce replacement waste
Energy Efficiency: Optimized cooling and flow design cuts energy consumption by 15%
Recycled Material Compatibility: Adapted for processing recycled PP/HDPE materials
Eco-Friendly Coatings: Lead-free, low-VOC surface treatments
ISO 9001:2015 certified manufacturing process
12-month warranty on mold components
On-site installation, training, and maintenance support
Rapid replacement parts delivery (global logistics network)
Lifetime technical consultation
Plastic Cap Injection Molds: Precision Engineered for High-Volume Production
Dimensional Accuracy: Tolerance control of ±0.005mm ensures uniform thread profiles, anti-tamper rings, and sealing surfaces—critical for leak-proof cap functionality.
Advanced Cavity Design: Optimized flow channels eliminate material waste and ensure even plastic distribution, reducing defect rates to <0.1%.
Long-Lasting Durability: Constructed with S136/H13 stainless steel (hardness HRC 52-58) and nitriding treatment, molds maintain precision for 2-5 million cycles.
Multi-Cavity Configuration: Available in 16/32/64/128 cavities to match production capacity needs (output: 50,000-500,000 caps/day per mold).
Fast Cycle Time: Integrated cooling systems (spiral/straight cooling channels) reduce molding cycle to 8-15 seconds per shot.
Automation Compatibility: Designed for seamless integration with robotic part removal and quality inspection systems.
PP (Polypropylene) – For mineral water, pharmaceutical caps
HDPE (High-Density Polyethylene) – For detergent, edible oil caps
PET (Polyester) – For carbonated beverage caps
LDPE (Low-Density Polyethylene) – For flexible sealing pads
Biodegradable plastics (PLA/PHA) – For eco-friendly packaging solutions
Thread types (continuous/interrupted threads)
Special features (child-resistant locks, measuring cups, flip-tops)
Branding elements (embossed logos, QR codes)
Mold base compatibility (LKM/HASCO/DME standards)
Design Engineering
3D modeling (SolidWorks/UG) for mold structure and flow simulation
DFM (Design for Manufacturing) analysis to optimize producibility
Material Selection
Mold core/cavity: S136/H13 stainless steel (corrosion-resistant, wear-proof)
Mold base: 45# steel or P20 steel (high rigidity)
Precision Machining
CNC milling (accuracy ±0.003mm)
EDM wire cutting for complex cavities
Mirror polishing (Ra ≤ 0.02μm) for smooth cap surfaces
Assembly & Testing
Component fitting and hydraulic system calibration
Trial injection with target materials to verify dimensional accuracy
Leakage and durability testing (10,000-cycle validation)
| Parameter | Specification |
| Cavity Number | 16/32/64/128 (customizable) |
| Mold Accuracy | ±0.005mm |
| Cycle Time | 8-15 seconds |
| Mold Material | Core/Cavity: S136/H13; Base: 45#/P20 Steel |
| Hardness | HRC 52-58 (core/cavity) |
| Cooling System | Spiral/straight cooling channels |
| Runner System | Hot runner/cold runner (optional) |
| Weight | 500-3000kg (varies by cavity number) |
| Compatibility | Injection Machines: 50-300 Ton Clamping Force |
Beverage caps (mineral water, carbonated drinks, juice)
Pharmaceutical caps (child-resistant, tamper-evident)
Household chemical caps (detergent, shampoo, oil)
Food packaging caps (condiments, sauces, snacks)
Special-function caps (sports caps with straws, measuring caps)
Longevity Design: Extend mold lifespan to reduce replacement waste
Energy Efficiency: Optimized cooling and flow design cuts energy consumption by 15%
Recycled Material Compatibility: Adapted for processing recycled PP/HDPE materials
Eco-Friendly Coatings: Lead-free, low-VOC surface treatments
ISO 9001:2015 certified manufacturing process
12-month warranty on mold components
On-site installation, training, and maintenance support
Rapid replacement parts delivery (global logistics network)
Lifetime technical consultation
