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P20 Steel Plastic Injection Molds 300K Shots Cold Runner Molds For Automotive Parts

Categories Plastic Injection Molds
Brand Name: MID MOULD
Place of Origin: Dongguan, China
MOQ: 1 set
Payment Terms: 50% deposit + 30% upon first sample + 20% after sample approval or before final mold shipment
Delivery Time: 25–45 working days (longer for complex tools)
Certification: ISO9001,FDA,ISO13485
Price: USD $3,000–$50,000 per set (depending on complexity)
Packaging Details: Wooden case + anti-rust oil + protective film + packing list
Supply Ability: 20–35 sets per month, depending on structure
Product name: Plastic Injection Molds
Product material: Plastic,Steel,PP,ABS,PS
Shaping mode: Plastic Injection Mould,Plastic injection molding,Compression Mould
Product: Vehicle Mould,Household Appliance,plastic injection mold,injection machine mold,Household Product
Material: STEEL,ps,PP,Steel and metal,aluminum
Mould life: 250000-300000shots,200~1 M available,300,000shots,000 times
Runner: Hot Runner\ Cold Runner,cold/hot
Cavity: Multi Cavity,as per client's requirement
Mold material: NAK80,H13,50#,P20,45#
Design software: CAD,CAD/ProE/UG/SOLIDWORKS,CAD UG Moldflow,Solidworks,PROE
Mould material: P20/718/738/NAK80/S136,P20/718/2738/H13/S136/NAK80,718,SKD61 etc,H13
Application: Home Appliance,Industrial,Automotive,various range,Machine
Mould base: non-Standard plastic injection mould,World standard,European standard,LKM.HASCO,HASCO standard
Surface treatment: sandblasted,Texture,anodizing black,clear painting,Polishing
Mold life: 000 to 1,500000 shots,000 shots,100000-1000000,50
Mold runner: Hot&Cold runner you can choose,Hot runner and code runner
Plastic material: Peek,ABS/PP/PS/PE/PVC/PA6/PA66..et,MC Nylon,Derlin,UHMW-PE
Size: as samples/drawings,customized accepted,Customized Size
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P20 Steel Plastic Injection Molds 300K Shots Cold Runner Molds For Automotive Parts

Cold Runner Injection Mold
Product Process

Cold runner injection molds utilize a traditional runner structure, introducing molten plastic into the mold cavity through a gate. Their relatively simple structure and low production cost make them suitable for molding a variety of thermoplastic materials and are widely used.

Process Flow
  1. Mold Design: CAD/CAE design based on product dimensions and plastic flowability
  2. Material Preparation: Select P20 or 718H steel and pre-treat it
  3. Processing and Manufacturing: Cavity and runner machining is performed using CNC and EDM
  4. Heat Treatment: Improve mold wear resistance and hardness
  5. Assembly and Commissioning: After assembly, test molds are performed and gate positions are optimized.
Product Specifications
ParameterDescription
Mold TypeCold runner injection mold
Mold MaterialP20, 718H, H13
Molding MaterialABS, PP, PC, PE, etc.
CavitySingle or multi-cavity
Mold Life300,000–500,000 cycles
Processing MethodCNC, EDM, EDM
Heat TreatmentTempering and quenching
Surface TreatmentPolishing and sandblasting
Mold Cycle Time25–35 days
Applicable IndustriesAutomotive, Home Appliances, Consumer Goods
Product Applications

Widely used in the production of plastic parts for automotive parts, home appliance housings, and daily consumer goods.

Product Advantages
  • Low Cost
  • Simple Structure, Easy Maintenance
  • Suitable for a Wide Range of Plastic Materials
  • Suitable for Small and Medium-Sized Batch Production
FAQ

Q1: Are Cold Runner Molds Suitable for Large-Scale Production?

A1: They are more suitable for small and medium-sized batches. For large-scale production, hot runner molds are recommended.

Q2: Can waste materials be recycled?

A2: Yes, the gate material can be re-pelletized and reused.

Q3: What is the mold lifespan?

A3: Generally 300,000–500,000 molds, depending on the steel material and maintenance.

Q4: Does it affect the appearance?

A4: Gate marks may be present, but these can be minimized through design.

Customized Services

We can customize the number of cavities, gate type, and material selection based on customer requirements. We support structural optimization and fast delivery.

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