Why Choose Dazao For Custom Injection Molding?
As A Trusted Injection Molding Supplier, Dazao Offers End-To-End Solutions-From Custom Mold Tooling To Final Part Production. Our Streamlined Process Minimizes Communication Delays And Reduces Lead Times, Ensuring Faster And More Efficient Project Delivery.
Our Team Of Experienced Molding Specialists Can Guide You To The Right Solution, Whether You Need Rapid Aluminum Tooling For Quick Prototyping Or A Robust, Long-Lasting Mold For High-Volume Production.
Dazao Doesn't Require A Minimum Order Quantity, Giving You Full Flexibility To Order Exactly What You Need. This Makes Us A Cost-Effective Supplier For Both Low-Volume And Prototype Production, Without Large Upfront Commitments.
Dazao Experts Will Review Your Design And Provide A Detailed Quotation. Once Quantities And Pricing Are Confirmed, We Quickly Move Into Fabrication, Ensuring Accuracy And Delivering Fast Lead Times.
What is Injection Molding?
Injection Molding Is A Manufacturing Process That Produces Parts By Injecting Molten Material Into A Mold. The Processed Materials Are Usually Plastic And Metal. The Material Is First Melted And Mixed With Pigments And Special Additives, And Then Injected Into The Mold Cavity Under Pressure. After Cooling And Solidification, The Finished Parts Is Ejected.
Compared With Other Manufacturing Methods Such As CNC Machining Or 3D Printing, Injection Molding Requires Upfront Investment In Mold Manufacturing. Once The Mold Is Made, The Cost Of A Single Part Drops Significantly, Especially In Large-Scale Production. Since The Same Mold Is Used Throughout The Production Process, The Process Ensures A High Degree Of Consistency And Repeatability For Each Part. This Makes Injection Molding A Cost-Effective Solution For Large-Scale Production.
Upload Your 3D Files To Have A Fast DFM Feedback And Quote.
How Does Injection Molding Work?
Here's a Simplified Breakdown of The Process
1.Material Feeding: Granules (Pellets) Are Fed Into A Heated Barrel From A Hopper.
2.Melting And Mixing: The Granules Are Heated And Melted In The Barrel, Where They Are Mixed And Pressurized By A Rotating Screw.
3.Injection: Once Molten, The Materials Is Injected Into The Mold Cavity Through A Nozzle Under High Pressure. The Mold Is Designed To The Exact Shape Of The Part.
4.Cooling: The Injected Materials Cools And Solidifies Inside The Mold, Taking The Shape Of The Mold Cavity.
5.Mold Opening: After The Has Cooled, The Mold Opens, And Ejector Pins Push The Solidified Part Out Of The Mold.
6.Part Ejection: The Final Part Is Removed From The Mold, And The Mold Is Closed Again To Start The Next Cycle.
Design Process of Injection Molds
Here Are The Key Stages In The Mold Design Process
Product Design
Uploading The 2D Drawings And 3D CAD Files Of The Desired Part. Our Engineers Will Review The Design For Design For Manufacturability (DFM) And Offer Feedback To Optimize It For The Molding Process.
Mold Structure Design
Design The Overall Structure Of The Mold, Including The Cavity And Core, And Plan For Additional Features.
Material and Cooling System Selection
Choose Appropriate Materials For The Mold Based On Production Volume And Durability Needs. Design The Cooling System To Ensure Efficient Temperature Control During The Molding Process.
Gate, Runner, and Ejection System Design
Design The Gate And Runner System For Efficient Material Flow And Include An Ejection Mechanism To Easily Remove The Finished Part From The Mold.
Draft Angle and Shrinkage Considerations
Incorporate Draft Angles To Facilitate Part Ejection And Adjust The Mold Dimensions To Account For Material Shrinkage During Cooling.
Mold Finishing,Testing and Validation
Use precision CNC milling technology to finish the mold surface. Perform trial runs with the mold to ensure it produces parts that meet quality standards and make adjustments if necessary.
Plastic Injection Molding Services for Custom Parts
We Are Always Ready For The Challenges Of All Types Of Injection Molding Parts,
Such As Tight Tolerances, Thin Wall, Small Draft Angle, Undercuts, Complex Part Geometry, Non-Defect Surface Finishes, etc.
Two-Shot Molding
An Injection Molding Process In Which Two Different Plastic Materials Are Injected Into The Same Mold One After The Other To Permanently Combine Them Into A Single Component.
Plastic Injection Molding Service
The Most Popular Method For Producing Custom Plastic Parts, Widely Used In Consumer Products, Automotive Components, Electronic Enclosures, And More.
Metal Injection Molding Service
MIM Offers A Cost-Effective Solution For Manufacturing Small, Detailed Metal Parts In Large Volumes, Using Less Material Than CNC Machining.
Liquid Silicone Rubber Molding Service
Liquid Silicone Rubber Is Inert, Biocompatible, And Perfect For Durable, Flexible Parts, Commonly Found In Medical Devices, Kitchenware, And Consumer Goods.
Overmolding Service
Overmolding Involves Injecting A Second Material Over A Base Part To Create A Composite. It Is Commonly Used To Enhance The Part's Grip Or Flexibility.Suitable Small-Batch Production, And Interim Tooling Needs.
Insert Molding Service
Insert Molding Embeds Metal Or Plastic Inserts During Injection, Creating Integrated Parts That Improve Structural Integrity And Save Assembly Time.
Materials
Please Reach Out With Your Specific Materials Needs.
Dazao's China. Plastic Injection Molding Operation Has Experience With Hundreds Of Types Of Materials. We Also Have Deep Knowledge Of How To Process Them Effectively. Most Customer Projects Use These Classes Of Materials:
· Polypropylene
· Polycarbonate
· ABS
· Engineering-grade thermoplastics
· PEEK
· PVC
· Glass-filled nylon
· Polyoxymethylene (Delrin)
· Nylon (reinforced and unreinforced)
We Offer Over 200 Plastic Injection Molding Materials, Including:
· Crystalline Plastics
· Amorphous Plastics
· Imidized Plastics
· Polyethylene (PE)
· Polypropylene (PP)
· Acrylonitrile Butadiene Styrene (ABS)
· Polyoxymethylene (POM)
· Polystyrene (PS)
More Materials >>
Injection Mold Surface Finishes
At Dazao, We Provide A Full Range Of Spi Surface Finishes For Injection Molded Parts. Not Sure Which One To Choose? Our Injection Molding Expert Is Here To Help You Choose The Right Finish For Your Project. Upload Your Design On Our Quoting Platform Today And Receive A Detailed Quote Within 24 Hours.
| SPI Grade | Finish | Surface Roughness Ra (μm) |
Typical Application |
|
| SPI A | A1 | Mirror gloss | ~0.012 to 0.025 | Optical parts, lenses, transparent components |
| A2 | High gloss | ~0.012 to 0.025 | Clear housings, consumer products | |
| A3 | Normal gloss | ~0.05 to 0.10 | General gloss finishes | |
| SPI B | B1 | Fine semi-gloss | ~0.05 to 0.10 | Smooth surface with slight texture |
| B2 | Medium semi-gloss | ~0.10 to 0.15 | Consumer electronics, automotive interiors | |
| B3 | Normal semi-gloss | ~0.28 to 0.32 | Medium smooth finishes | |
| SPI C | C1 | Fine matte | ~0.35 to 0.40 | Slightly textured surface |
| C2 | Medium matte | ~0.45 to 0.55 | Utility parts | |
| C3 | Normal matte | ~0.63 to 0.70 | Functional parts with low cosmetic demand | |
| SPI D | D1 | Fine satin texture | ~0.80 to 1.00 | Non-slip surfaces, tools, or industrial parts |
| D2 | Medium texture | ~1.00 to 2.80 | Coarse textures | |
| D3 | Normal texture | ~3.20 to 18.0 | Very coarse or anti-glare finishes |
Injection Molding Capabilities
| Standards | Description |
|---|---|
| Maximum Part Size | 1200×1000×500 mm |
| Manimum Part Size | 5×5×5 mm |
| Part to Part Repeatability | +/- 0.1 mm |
| Mold Cavities | Single-cavity molds, multi-cavity molds, family molds |
| Available Mold Types | Steel and aluminum molds. Production levels below 1000, 5000, 30000, and over 100000 uses |
| Mold Cavity Tolerances | +/- 0.02 mm |
| Secondary Operations | Mold texturing, pad printing, laser engraving, threaded inserts, and basic assembly |
| Undercuts | Y-type, L-type undercuts |
| Wall Thickness | 0.5 mm to 5 mm |
| Draft | 0.5° to 2° |
| Ribs/Gussets | 0.5 mm to 3 mm thick |
| Bosses | Diameter 3 mm to 10 mm |
| Lead Time | Most orders can be completed within 20 working days |
Injection Molding Solutions
Get Custom Plastic Prototypes And Production Parts With Flexible Solutions From Dazao.
Prototyping Injection Molding
Choose Dazao's Prototype Molding Services For Fast, High-Quality Prototypes. With Quick Lead Times, Flexible Materials, And Expert Dfm Assistance, We Help You Validate Designs Efficiently And Test Functionability Early.
Quantity: 1-100 pcs
Lead Time: 1-3 weeks
Soft tooling or 3D-printed mold used
Low Volume Injection Molding
Dazao's Low-Volume Production With Aluminum Tooling Provides Fast, Cost-Effective Manufacturing Of Complex Plastic Parts In Runs From Hundreds To Thousands. Ideal For Design Validation, Inventory Control, And A Supply Chain Ready To Flex With Demand.
Quantity: 100-10,000 pcs
Lead Time: 3-6 weeks
Mass Production
Dazao's High-Volume Injection Molding Offers A Fast, Cost-effective Way To Mass-produce Precise, Identical Parts. With Advanced Equipment And Strict Quality Control, We Ensure Tight Tolerances And Consistent Quality Across A Variety Of Plastic Materials For Your Specific Needs.
Quantity: Over 10,000 pcs, can go into the millions
Lead Time: 4-12 weeks or more
100+ thermoplastic, thermoset materials available
Injection Molding For Various Industries
From automotive to electronics, Dazao's injection molding services deliver reliable,
cost-effective solutions to fit the custom demands of each industry.
Automotive
Robotics
Aerospace
Electronics
Medical Equipment
Automation
Injection Molding
FAQ's
What is the minimum order qty?
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At Dazao, we understand the diverse needs of our clients, which is why we have no minimum order requirement for our injection molding services. This flexibility allows businesses of all sizes to access high-quality molded parts, regardless of the size of their project. While we are equipped to handle orders from a single prototype to thousands of units, it's worth noting that larger order quantities typically result in more competitive pricing. This volume discount is due to the economies of scale in production, making larger orders more cost-effective per unit. Whether your project is large or small, we are here to provide the best value and service.
How much does your injection molding service cost?
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The cost of our injection molding services varies depending on multiple factors, including the size of the component, mold complexity, number of cavities, material type, and any specific post-processing requirements. Each project is unique, and we provide personalized quotes to ensure that you receive a detailed cost assessment tailored to your specific needs. This transparent pricing approach allows you to understand the financial implications before committing to the process. To get an accurate estimate, simply upload your project details on our platform, and we will analyze these factors to provide you with a comprehensive quote.
Can I get prototype parts before full-scale production?
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Absolutely, Dazao strongly supports the development process by offering rapid prototyping services. This crucial step allows you to test and verify your designs effectively before moving into large-scale production. Prototyping is essential to identify potential issues and ensure that the design meets all functional and aesthetic requirements. By taking advantage of our prototyping services, you can make necessary adjustments early in the development cycle, saving time and costs in later stages. This approach not only enhances product quality but also ensures that the transition to full-scale production is smooth and efficient.
How quickly can you produce parts using injection molding?
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The first step in our injection molding service is to design the injection mold tool. How long this takes will depend on the complexity of your project. The usual timeline can be as short as a week and as long as a couple of months.
Do you provide mold design services?
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Yes, we offer complete mold design and manufacturing services. Our engineering team will design efficient molds based on your product specifications and technical requirements to ensure production efficiency and product quality.
Do you offer customized design services?
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Yes, we offer fully customized plastic injection molding services. Whether you need special shapes, sizes, or functional requirements, our engineers can precisely produce parts according to your technical drawings.
How do you handle mold maintenance and care?
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Mold maintenance is crucial. We provide regular maintenance services to ensure the molds have a long service life and high efficiency during production, minimizing downtime and reducing long-term production costs.
