Injection Molding Service: Precision Parts with Expertise

Injection Molding Process

Plastic Injection Molding

Rubber Injection Molding

Overmolding & Insert Molding
Injection Mold Tooling Options
Prototyping | On-Demand Manufacturing | |
---|---|---|
Objective | I demand swift design validation with Jiangzhi's efficiency. I seek the flexibility for economical iterations before transitioning into on-demand manufacturing. | I have on-demand prodction requirement that need that require consistent high quality parts. |
Mold Cavities | Single | Single or multi-cavity |
Mold Life | Limited (guaranteed for at least 2,000 shots) | Unlimited |
Mold Storage | Store for 24 months | Forever |
Mold Material | Aluminum | P20 Steel |
Injection Molding Materials
Plastic Material
- ABS
- PC (Polycarbonate)
- PP (Polypropylene)
- POM (Acetal)
- PE (Polyethylene)
- PS (Polystyrene)
- PVC (Polyvinyl Chloride)
- PU (Polyurethane)
- PA (Nylon)
- PMMA (Acrylic)
- HDPE (High-Density Polyethylene)
- LDPE (Low-Density Polyethylene)
- PC/ABS (Polycarbonate/Acrylonitrile Butadiene Styrene)
Rubber Material
- Silicone
- EPDM (Ethylene Propylene Diene Monomer)
- Nitrile (NBR)
- Neoprene (CR)
- SBR (Styrene Butadiene Rubber)
- Natural Rubber (NR)
- Butyl Rubber (IIR)
- Viton (FKM)
Injection Molding Surface Finishing
Finish | Description |
---|---|
SPI A1 | 6000 grit diamond, surper high glossy finish |
SPI A2 | 3000 grit diamond, high glossy finish |
SPI A3 | 1200 grit diamond, normal glossy finish |
SPI B1 | 600 grit paper, fine semi-glossy finish |
SPI B2 | 400 grit paper, normal semi-glossy finish |
SPI B3 | 320 grit paper, normal semi- |
SPI C1 | 600 grit stone, fine matte finish |
SPI C2 | 400 grit stone, medium matte finish |
SPI C3 | 320 grit stone, normal matte finish |
SPI D1 | Dry blast glass bead, satin textured finish |
SPI D2 | Dry blast, dull textured finish |
SPI D3 | Dry blast, rough textured finish |

How Does Injection Molding Work
Material Melting

Injection

Cooling

Ejection

Cycling

Injection Molding Material Selection Guide
Advantages of Injection Molding
From intricate designs to high-volume production, Injection Molding stands out with its precision, efficiency, and adaptability.
- Low production lost with efficient high-volume manufacturing
- Available for a wide range of materials
- Manufacture components with intricate shapes and complex geometries
- Ensure repeatability of production and consistency of quality
- Enhance aesthetics with a variety of surface finish treatments


Injection Molding Application
Injection molding finds extensive use in producing plastic parts for medical, consumer, and automotive industries. Commonly manufactured parts include:
- Enclosure
- Pulley
- Gear
- Clip
- Electronic connectors
- Handle
- Bumper
Precision Plastic Molding Fundamental
Need Perfect Parts? Discover How Precision Plastic Molding Delivers Unmatched Quality and Accuracy? Maximize Efficiency and Minimize Waste.
What is injection molding service?
Injection molding is a manufacturing process used to produce parts by injecting molten material into a mold under pressure. The material solidifies to form a part.
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What are the benefits of injection molding services?
Custom injection molding service offers high precision, quick production cycles, and the ability to produce complex shapes in large quantities with minimal waste.
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What materials can be used in injection molding?
Custom Injection molding typically uses thermoplastics, thermosets, elastomers, and composites, with thermoplastic polymers being the most common.
What is the typical injection molding cycle time?
The cycle time can range from 10 to 30 seconds for small parts, but it depends on the material, mold complexity, and part size.
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What are common defects in injection molding and how can they be avoided?
Common defects include warping, sink marks, air traps, flash, and short shots. Proper mold design, temperature control, and material selection can help prevent these issues.
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How long does an injection mold last?
The lifespan of an injection mold depends on factors like material hardness, production volume, and maintenance. Typically, it can last anywhere from 100,000 to 1 million cycles.
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How do injection molding costs down?
Injection molding costs are typically broken down into material costs, mold costs, labor, and machine operation costs. Mold costs are often the most significant upfront expense.
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What is the importance of mold design in injection molding?
Proper mold design is crucial to ensure that the mold can withstand the pressures of injection molding, provide consistent part quality, and avoid defects.
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How does injection molding compare to other manufacturing methods?
Compared to methods like CNC machining or 3D printing, injection molding offers faster production speeds, higher precision for high-volume runs, and lower unit costs over time.
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Why Choose Us
Ensuring accurate and intricate part production
Meeting diverse industry needs
Proven track record in successful projects
Rigorous quality checks for reliable results
Professional Injection Molding One-Stop Service Company
FAQs of Injection Molding
What industries use injection molding?
Injection molding is widely used in automotive, medical, consumer goods, electronics, and aerospace industries for producing various components.
What is the typical lead time for injection molding projects?
Lead times vary but are generally influenced by factors such as part complexity, quantity, material selection, and mold design. In general, Jiangzhi lead time is 3-4 weeks for mold, 2-4 weeks for mass production.
How can I optimize my design for injection molding?
Design considerations include uniform wall thickness, proper gating and venting, draft angles, and material selection to ensure successful and efficient injection molding.
Can injection molding be used for prototyping?
Yes, injection molding can be used for prototyping using rapid tooling or soft tooling methods to create low-volume prototypes.