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Injection molding is a manufacturing process widely used for producing parts by injecting molten material into a mold. The process begins with plastic pellets or granules being fed into a heated barrel where they are melted through heat and pressure. A screw inside the barrel then forces the molten plastic into a carefully designed mold cavity, which defines the shape of the final product. Once filled, the mold cools rapidly, solidifying the plastic before the mold opens and ejects the part.
One of the primary advantages of injection molding is its ability to produce high volumes of parts with consistent quality and precision. This efficiency makes it cost-effective for mass production. The process supports a wide range of materials, including various plastics, metals (for die casting), and composites, allowing manufacturers to choose based on specific application requirements.
Design flexibility is another significant benefit. Complex geometries and intricate details can be achieved within a single cycle, reducing assembly needs. Injection molding also facilitates the integration of multiple components into one part, streamlining production and lowering overall costs.
The use of automated machinery ensures repeatability and reduces labor costs. Advanced technologies like computer-aided design (CAD) and computer-aided manufacturing (CAM) enhance accuracy and enable rapid prototyping, accelerating product development cycles. Moreover, the process generates minimal waste, as excess material can often be recycled and reused.
In summary, injection molding offers unparalleled efficiency, material versatility, design flexibility, and cost-effectiveness, making it an essential technique in modern manufacturing across industries such as automotive, electronics, and consumer goods. Its ability to produce complex parts with high precision and low per-unit costs continues to drive innovation and competitiveness.
Technical Parameter
| Name | Professional Manufacturer Custom Plastic Parts Plastic Injection Molding Service |
| Place of Origin | Dongguan, China |
| Plastic Modling Type | injection |
| Biggest Part Size | 1500*1500*1000mm |
| Biggest Part Weight | 5800g |
| Tolerance | 0.01mm |
| Materials | Plastic:Acetal/POM/PA/Nylon/PC/PMMA/PVC/PU/Acrylic/ABS/PTFE/PEEK etc. |
| Colors Available | Pantone/RAL and other custom colors |
| Surface Finish | +/-0.005 mm 丨 Ra0.2 - Ra3.2（Customize avaiable） |
| Drawing Formats | Testure/Sand/MT/YS/SPI |
| Drawing Format | STEP/STP/IGS/X-T/STL/CAD/PDF/DWG and Other |
One-stop solution
From design, drawing, machining, surface treatment, assembly, packaging to shipping.
Personalization
We fully support your personalization and provide you with the smallest order service (MOQ: 1pcs) sample production as soon as 24 hours.
Quality assurance
We have a professional team to control the quality. Experienced engineers, precision machines, CMM and closed loop QC system, 100% inspection to ensure high quality products when shipped.
Customer service
Each customer has a dedicated sales person to provide timely technical support and after-sales service.
Customized service process
Surface treatment processing technology
Anodising
Sandblasting
Silkscreen
DLC Coating
Electroplating
Nickel plating
Polishing
Laser Marking
Product application diagram material classification
Plastic
Injection molding commonly uses a variety of materials, primarily thermoplastics, due to their versatility and ease of processing. Key materials include:
Polyethylene (PE): Suitable for packaging and containers, offering flexibility and chemical resistance.
Polypropylene (PP): Known for toughness and chemical resistance, used in automotive parts and consumer goods.
Polyvinyl Chloride (PVC): Versatile for both rigid and flexible applications like pipes and cables.
Polystyrene (PS): Ideal for transparent products and food packaging.
Nylon (PA): Strong and durable, suitable for mechanical parts like gears and bearings.
Acrylonitrile Butadiene Styrene (ABS): Offers good impact resistance and is widely used in electronics and appliances.
Poly carbonate (PC): Provides high impact strength and transparency, used in safety equipment and electronic enclosures.
These materials are chosen based on the specific requirements of the application, such as strength, flexibility, transparency, and chemical resistance.
Factory workshop display
High-speed rail auto parts
Medical device accessories
Motor electromechanical parts
Beauty instrument
Household appliance accessories
Electronic casing
Aerospace spare parts
3D printed accessories
Factory workshop display
FAQ
Q1: How long is your delivery time?
A1: 3-5 days for sample orders and 10-15 days for bulk orders after order confirmation. Depending on your specific project, we can expedite it for you.
Q2: What is your MOQ? Can you make machined parts according to our samples?
A2: 1 piece, yes, we accept sample processing and processing by drawing.
Q3: Will my drawings be divulged if you benefit?
A3: No, we pay much attention to protect our customers’ privacy of drawings, signing NDA is also accepted if need.
Q4: How to control product quality?
A4: First full size inspection—Mass production—Check process (3 hours sampling)—100% Shipping random checks.
We have professional QC team, control the quility during the mass production and inspect the completely goods before shipping.
Q5: What is your terms of payment ?
A5: Payment<=5000USD, 100% in advance. Payment>=5000USD, 50% T/T in advance ,balance before shippment.
