Injection Molding Service

Q: 1. What’s the process for injection mold making?

Our mold-making process includes 6 steps: Step 1: Production arrangement: Determine all of the requirements and arrange the production. Step 2: DFM report analysis: Provide free but detailed production DFM report for further feasibility analysis. Step 3: Production the mold: Put the mold into production and provide the Tooling Schedule form for the whole cycle for clients to check the process at any time. Step 4: Free sample to test: Put the mold into production and provide the Tooling Schedule form for the whole cycle for clients to check the process at any time. Step 5: Mass production:Client confirms the samples are qualified, then officially proceed with the subsequent production. Step 6: Mold saving: Production is completed and delivered after quality inspection. Mold will be cleaned and properly stored for the next round of parts production.

Q: 7. Can I get prototype parts before full-scale production?

Yes, RapidDirect offers rapid prototyping services . This allows you to test and verify your design before committing to large-scale production.

Custom injection molding services for plastic prototypes and on-demand production parts. Get a free injection molding quotation and design feedback within hours.

30t-1800t

Molding Machine

12

Surface Finishes

0pc

MOQ

0.05mm

Tolerances

Our Injection Molding Capabilities

From plastic prototyping to production molding, RapidDirect’s custom injection molding service is ideal for the manufacturing of competitive pricing, high-quality molded parts in a fast lead time. Strong manufacturing facilities with powerful, precise machines ensure the same mold tool for creating consistent parts. Better yet, we provide free expert consultation on each injection molding order, including mold design advice, materials&surface finishes selection for your end-use applications, and shipping methods.

Plastic Injection Molds

With our experience and advanced machinery, we excel at designing and manufacturing a series of plastic injection molds adjusted to your tolerance and cost.

Plastic Injection Molding

Our plastic injection molding process uses precise machinery to shoot molten resin into a mold to become a final production-grade thermoplastic part.

Overmolding

Covering plastic, metal, and rubber over each other via chemical bonding, our overmolding reduces assembly time and gives our parts greater strength and flexibility.

Insert Molding

Insert molding is the process of molding thermoplastic material around a preformed component to create a finished part that incorporates multiple materials.

Gallery of Injection Molding Parts

Dive into RapidDirect’s extensive gallery that showcases some of our completed injection molded parts and take confidence that we can create your injection molding project according to your strict specifications.

Our Injection Molding Processes

See how we process your orders, from quotation to tooling, as our machines and efficient team ensure you receive your molds and parts within the scheduled lead time.

Request for Quote

Request your quote from our online quotation platform and our dedicated engineers will provide a response within 24 hours, ensuring the process goes on smoothly.

DFM Report

To ensure we can produce functional molds, we offer feasibility reviews of your design to ensure we can fulfill requirements before starting production.

Mold Flow Analysis

Predictive modeling software helps us look at the way molten material moves and acts within the mold, which helps us deliver improvements.

Mold Tooling Production

Start the production of mold tooling according to your specific application needs by using the materials and finishs of your choice.

T1 Sample Verification

T1 sampling will be delivered for you to review prior to manufacturing plastic parts to ensure precision and quality.

Low Volume Production

After completing the trial production phase, we proceed to low volume production, utilizing advanced machining techniques to manufacture parts quickly and efficiently.

Strict Inspection

A strict inspection process, including the inspection of function, dimension, and appearance, ensures that the parts meet the required specifications and are of high quality.

Delivery

After a thorough inspection, we will deliver your products to you as quickly as possible while ensuring their safety.

Quote Within One Day, Operate at Your Fingertips

RapidDirect provides a AI-powered, hassle-free online quotation platform that can help simplify your ordering and manufacturing process. Stop wasting time in emails, get interactive quotes with DFM analysis within seconds, optimize your orders immediately, compare your multiple quotes side by side, manage your orders in one place.

Bulk Pricing

Get in-bulk injection molding quotes, allowing you to make a pricing comparison between different specs, quantities, raw material, and surface finishes, and helping you choose the solution that best suits your needs and budget.

Real-time Order Tracking

Our online injection molding platform enables real-time visibility of the production flow that fosters more efficient operation monitoring and quicker response to negative changes.

All-in-one Order Management

Quickly check, search, and manage all your injection molding orders in one place. What's even better is that you get visibility into all stages of the production process and every aspect of the manufacturing operation.

Injection Molding from Prototyping to Production

Rapid Tooling

Get easy design feedback and validation through superior-quality prototype tooling. Create small batches of plastic molded parts with excellent injection molding prototypes. We excel at manufacturing prototype molds within days to ensure you perform functional tests and validate market interest.

Production Tooling

We create high-quality production molds for high-volume plastic parts production. With high-strength, durable tool steel material, our production tooling is suitable for producing hundreds of thousands of parts. We can vary materials and construction methods according to your unique requirements.

RapidDirect Injection Molding Capabilities

Standards	Description
Maximum Part Size	1200×1000×500 mm 47.2×39.4×19.7 in.
Minimum Part Size	1×1×1 mm 0.039×0.039×0.039 in.
Part to Part Repeatability	+/- 0.1 mm +/- 0.0039 in.
Mold Cavity Tolerances	+/- 0.05 mm +/- 0.002 in.
Available Mold Types	Steel and aluminum tooling. Production grade we provide: Under 1000 cycles, under 5000 cycles, under 30,000 cycles, and over 100,000 cycles
Machines Available	Single cavity, multi-cavity, and family molds, 50 to 500 press tonnage
Secondary Operations	Mold texturing, pad printing, laser engraving, threaded inserts and basic assembly.
Inspection and Certification Options	First Article Inspection, ISO 9001, ISO 13485
Lead Time	15 business days or less for most orders, 24/7 quotation response

Class of Injection Molding Mold

At RapidDirect, we design and create precise custom injection molds from high-quality materials. Our processes ensure unmatched consistency and repeatability at fast lead times and affordable pricing. Every plastic injection molding we fabricate meets international standards. From one-off projects to small batches and production tooling, we provide durable and reliable mold tools.

Mold Class	Purpose	Shot Life	Tolerance	Cost	Lead Time
Class 105	Prototype Testing	Under 500 cycles	± 0.02mm	$	7-10 days
Class 104	Low-volume Production	Under 100.000 cycles	± 0.02mm	$$$	10-15 days
Class 103	Low-volume Production	Under 500.000 cycles	± 0.02mm	$$$$	10-15 days
Class 102	Medium-volume Production	Medium to high production	± 0.02mm	$$$$$	10-15 days
Class 101	High-volume Production	Over 1,000,000 cycles	± 0.02mm	$$$$$$	10-18 days

Materials for Injection Molding

These are commonly molded plastics that our injection molding service provides. After knowing the basics of materials, like common grades, brands, advantages, and disadvantages, choose the right injection molding material depending on your application requirements.

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Tooling Materials
Plastic Materials
Additives & fibers

Tooling Materials

Before injection molding process starts low or high-volume production, a high tolerance CNC machined tooling is needed. Most commonly used materials include:

Tool Steel: P20, H13, S7, NAK80, S136, S136H, 718, 718H, 738

Stainless Steel:

420, NAK80, S136, 316L, 316, 301, 303, 304

Aluminum: 6061, 5052, 7075

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Plastic Materials

Plastic injection molding service comes with a wide range of materials with different properties, including impact strength, rigidity, thermal resistance, chemical resistance, etc.

ABS	Nylon (PA)	PC	PVC
PU	PMMA	PP	PEEK
PE	HDPE	PS	POM

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Additives and Fibers

Standard plastic materials may not meet custom injection molding parts requirement. In this case, additives and fibers can be added to improve aesthetic and functional properties, providing additional features for your injection molded parts.

UV absorbers	Colorants
Flame retardants	Glass fibers
Plasticizers

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Note: You can learn more from our eBook on plastic materials.

Surface Finishes of Injection Molding

Injection molding includes injection mold tooling, plastic injection molding, and more. The surface treatment of the mold is usually completed during the production process. After the injection molding is completed, we will carry out certain surface treatments on the finished product as per your requirement.

Name

Description

Link

Glossy	A grade finishes are made using a diamond buffing process and yield shiny and glossy surfaces on injection molded parts.	Learn More>>
Semi-glossy	B grade finishes use grit sandpaper to produce parts with a slightly rougher finish than grade A parts. Custom molded plastic parts that undergo B grade finishing have a matte surface texture.	Learn More>>
Matte	C grade finishes use grit sanding stones to produce a rough, uneven surface. Injection plastic parts that undergo C grade finishing have a matte surface texture.	Learn More>>
Textured	D grade finishes use grit and dry glass beads or oxide to produce a very rough textured finish. Depending on the type of material used, products can have a satin or dull finish.	Learn More>>

Why Choose RapidDirect for Custom Injection Molding Services

Play Video about Plastic Injection Molding Process

Our Injection Molding for Various Industrial Applications

RapidDirect works with leading manufacturers from different industries to support growing demands and streamline their supply chain. The digitalization of our custom injection molding services helps more and more manufacturers bring their idea to products.

Automotive

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Aerospace

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Consumer Goods

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Medical Devices

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Robotics

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Injection Molding Overview

What's Injection Molding?

Injection molding is a manufacturing process used to produce parts in large volumes. It involves injecting molten material, often plastic, into a mold, which then cools and solidifies into the desired shape. This process is extensively used in various industries due to its ability to produce intricate and complex parts with high precision and consistency.

How Does Injection Molding Work?

Injection molding is a manufacturing technique where molten plastic is injected into a metal mold to form parts. The process involves melting plastic pellets, injecting them under high pressure into a mold, allowing them to cool and solidify, and then ejecting the finished piece for further use or assembly.

What Are the 4 Stages of Injection Molding?

Clamping: The two halves of the mold are clamped together by the injection molding machine. This ensures that the mold remains shut during the injection process.
Injection: Molten plastic is injected into the closed mold at high pressure. The injected plastic is generally packed and held under pressure to ensure all mold spaces are filled.
Cooling: Once the mold is filled, the plastic begins to cool and solidify, taking the shape of the mold’s cavities. Cooling rates are carefully managed to avoid defects and ensure the part’s dimensions and properties are consistent.
Ejection: After the part has cooled and solidified, the mold opens, and an ejection mechanism pushes the finished part out of the mold. The cycle then restarts for the next part.

What Are the Advantages of Injection Molding?

Scalability: Injection molding is ideal for mass-producing high volumes of parts, making it cost-effective for large-scale production runs.
Precision: The process can produce complex parts with very tight tolerances and high levels of detail.
Flexibility: A wide range of materials can be used, and by changing the mold, different parts can be produced without major changes to the machinery.
Consistency: Due to its automated nature, injection molding produces consistent and high-quality parts with minimal variability.

FAQs about RapidDirect Injection Molding Service

1. What’s the process for injection mold making?

Our mold-making process includes 6 steps:

Step 1: Production arrangement: Determine all of the requirements and arrange the production.

Step 2: DFM report analysis: Provide free but detailed production DFM report for further feasibility analysis.

Step 3: Production the mold: Put the mold into production and provide the Tooling Schedule form for the whole cycle for clients to check the process at any time.

Step 4: Free sample to test: Put the mold into production and provide the Tooling Schedule form for the whole cycle for clients to check the process at any time.

Step 5: Mass production:Client confirms the samples are qualified, then officially proceed with the subsequent production.

Step 6: Mold saving: Production is completed and delivered after quality inspection. Mold will be cleaned and properly stored for the next round of parts production.

2. What are the typical tolerances for injection molded parts?

Tolerances are crucial in injection molding; without proper specification and control, assembly issues can arise. At RapidDirect, we adhere to the ISO 2068-c standard for molding tolerances, but can accommodate tighter specifications if needed.

3. What is the minimum order qty?

We have no minimum order requirement. However, larger quantities will yield more competitive pricing.

4. How long does it take to make molded parts?

Once an order is placed, mold design and creation typically take around 35 days, with an additional 3-5 days for the production of the molded parts.

5. How much does your injection molding service cost?

The cost of our services varies based on several factors such as component size, mold complexity, number of cavities, material type, and post-processing requirements. We provide quotes after analyzing these factors on our platform.

6. What materials can be used for injection molding at RapidDirect?

At RapidDirect, we offer a wide range of thermoplastic and thermosetting materials suitable for various applications. Some common materials include ABS, Polycarbonate, Polypropylene, and TPE. For a full list of materials or custom material requests, please contact our customer service.

7. Can I get prototype parts before full-scale production?

Yes, RapidDirect offers rapid prototyping services. This allows you to test and verify your design before committing to large-scale production.

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Injection Molding Overview

What's Injection Molding?

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What Are the 4 Stages of Injection Molding?

What Are the Advantages of Injection Molding?

FAQs about RapidDirect Injection Molding Service

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