Custom Online 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.

Quickly move from plastic molded prototypes to high-quality custom production parts. Get bulk pricing & DFM in 1 day. 30+ thermoplastic, thermoset materials.

30t-1800t

Injection Molding Machine

0pc

MOQ

0.05mm

Mold Tolerance

2 weeks

T1 Sample

Our Custom Injection Molding Services

Utilizing RapidDirect’s injection molding solutions in China, we shape plastic parts based on part size, intricacy, and volume requirements. On-demand prototypes and production runs are made possible with machines ranging from 30t to 1800t, ensuring every design’s accuracy. Benefit from free design consulation on each injection molding order. Expect quick turnarounds with lead times as short as 15 days.

Injection Mold Tooling

Injection molds are crucial for mass-producing precise plastic molded parts. Made primarily from steel or aluminum, their creation involves intricate design, precise machining, and assembly.

Plastic Injection Molding

Plastic injection molding is a technique where molten thermplastic is forced into molds, solidifying into parts. Enabling efficient, and large-scale production with consistent quality.

Overmolding

Overmolding combines different plastic materials by molding one over another, enhancing functionality, aesthetics, and grip, while reducing assembly time and costs.

Insert Molding

Insert molding encases a pre-set insert with plastic, merging metal and plastic, enhancing strength, simplifying assembly, and ensuring precision integration.

Custom Injection Molded Products by RapidDirect

View the plastic prototypes and on-demand production parts we’ve manufactured for our customers.

What to Get From Online Injection Molding Services

Upload your design on RapidDirect’s online platform and request for an injection molding quote. Within a day, get precise pricing and DFM insights after our 3D CAD review. We identify machining challenges and analyze mold flow, guaranteeing impeccable product quality. Navigate complex projects with our clear, user-friendly platform.

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.

Online Annotation

Upload your design and instantly annotate areas of concern. No more back-and-forths; real-time live chat ensures our engineers address and resolve queries instantly, elevating your injection molding project’s efficiency.

All-in-One Project Management

Say goodbye to scattered management. From quotes to orders, everything is unified in our platform, providing you with easy access and clear insights into your project’s status.

Team Collaboration

Streamline your injection molding tasks by forming dedicated teams, sharing vital order details, and facilitating prompt payments. It’s about ensuring everyone is on the same page, driving efficiency and transparency.

Custom Injection Molding Solutions

Explore our on-demand injection molding solutions to seamlessly transition from prototyping to high-quality production.

Rapid Prototyping

Benefit from our rapid injection molding, delivering 1K-100K units quickly at a low cost. Using aluminum or steel molds, we ensure fast turnaround, directly addressing your production challenges and reducing time-to-market.

Low Volume Production

Low volume injection molding elevates your output, delivering 100K-1M units using resilient steel molds. This ensures high quality and consistency, effectively addressing your need for sizable yet precise production runs while maintaining exceptional standards.

Injection Molding Materials

RapidDirect offers common metals for injection molding tooling, and a variety of popular plastic materials.

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Injection Mold Tooling Materials
Thermoplastic
Thermoset

Injection Mold 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

More Details>>

Thermoplastic

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

ABS HDPE LDPE PP

PPA PS POM PC

PU Teflon (PTFE) Nylon

PC PMMA PA PEEK

PET

More Details>>

Thermoset

Several thermoset materials for distinct applications due to their unique bonding properties.

Liquid Silicone Rubber	Epoxy
Polyurethane	Phenolic

More Details>>

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

Injection Mold Surface Finishes

We primarily offers SPI finishes for plastic injection molds. For VDI textures, specify your requirements when submitting your quote on our platform.

SPI Finish Standards	Surface Roughness RA (mm)	Finishing Method	Texture	Steels Recommended
SPI A1	0.012 to 0.025	6000 Grit Diamond	Super High Glossy finish	S136 (54HRC) or 8407(52HRC)
SPI A2	0.012 to 0.025	3000 Grit Diamond	High Glossy finish	S136 (54HRC) or 8407(52HRC)
SPI A3	0.05 to 0.10	1200 Grit Diamond	Normal Glossy finish	S136 (300HB) or 718H
SPI B1	0.05 to 0.10	600 Grit Paper	Fine Semi-glossy finish	718H
SPI B2	0.10 to 0.15	400 Grit Paper	Medium Semi-glossy finish	718H
SPI B3	0.28 to 0.32	320 Grit Paper	Normal Semi-glossy finish	718H
SPI C1	0.35 to 0.40	600 Grit Stone	Fine Matte finish	718H
SPI C2	0.45 to 0.55	400 Grit Stone	Medium Matte finish	718H
SPI C3	0.63 to 0.70	320 Grit Stone	Normal Matte finish	718H
SPI D1	0.80 to 1.00	Dry Blast Glass Bead	Satin Textured finish	718H
SPI D2	1.00 to 2.80	Dry Blast	Dull Textured finish	718H
SPI D3	3.20 to 18.0	Dry Blast	Rough Textured finish	718H

Injection Molding Whitepaper

Understanding the injection molding process can help designers and engineers create parts that are optimized for manufacturing, which can reduce costs and improve quality. Our ebook offers practical guides and tips that will help you achieve outstanding and durable injection molded parts.

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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	Quality reports like FAIs, ISO 9001, ISO 13485
Lead Time	15 business days or less for most orders, 24/7 quotation response

Classes of Injection Mold

We adhere to the five standard categories of SPI mold classifications from Class 101 to 105, aligning expectations for customers and suppliers alike.

Mold Class	Production Level	Cycles	Applications	Tolerance	Cost	Lead Time
Class 105	Very low	Less than 500 cycles	Prototype testing	± 0.02mm	Inexpensive to produce a very limited number of product prototypes	7-10 days
Class 104	Low	Less than 100K cycles	Good for limited-production parts with non-abrasive materials	± 0.02mm	Fall within low to moderate price ranges	10-15 days
Class 103	Medium	Less than 500K cycles	For low to medium-production parts	± 0.02mm	Fall within common price ranges	10-15 days
Class 102	Medium to high	Less than 1M	Good for parts with abrasive materials and/or tight tolerances	± 0.02mm	Fairly high price and made with materials of high quality	10-15 days
Class 101	Extremely high	Over 1M cycles	Extremely high production and fast cycle times	± 0.02mm	Highest price and made with only the highest quality materials	10-18 days

How Custom Injection Molding Works?

The injection molding process involves feeding raw plastic materials into an injection molding machine, melting them down, and then injecting them into an aluminum or steel mold. Upon cooling, a production-grade thermoplastic part is formed and ejected for further use or assembly.

Play Video about Plastic Injection Molding Process

Injection Molding Process At RapidDirect

See how RapidDirect processes your orders, from quotation, high-quality injection mold making, to production-grade plastic parts, ensuring timely delivery with our skilled team and machinery.

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.

Our Injection Molding for Various Industrial Applications

With custom injection molding, RapidDirect supports diverse industry requirements.

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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Why Choose Our Custom Injection Molding Services

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.

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?

High-Quality Production: Consistently produces precise, high-quality parts.
Efficiency: Ideal for mass production and large quantities.
Versatility: Suitable for both prototyping and low-volume production.
Cost-Effective Tooling: Aluminum tooling is economical, especially at higher volumes.
Material Diversity: Compatible with a wide range of materials.
Varied Surface Finishes: Allows for different aesthetic and functional finishes.
Complexity: Expertly crafts intricate and detailed components.

What are Injection Molding Applications?

Injection molding is a versatile manufacturing process used across various industries, like automotive, medical, consumer, and aerospace. Here are some of typical parts:
– Dashboards
– Bottle caps
– Sterile
– Casings for smartphones, televisions, and other gadgets
– Precision parts for aircraft

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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What to Get From Online Injection Molding Services

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Custom Injection Molding Solutions

Rapid Prototyping

Low Volume Production

Injection Molding Materials

Injection Mold Tooling Materials

Thermoplastic

Thermoset

Injection Mold Surface Finishes

RapidDirect Injection Molding Capabilities

Classes of Injection Mold

How Custom Injection Molding Works?

Injection Molding Process At RapidDirect

Request for Quote

DFM Report

Mold Flow Analysis

Mold Tooling Production

T1 Sample Verification

Low Volume Production

Strict Inspection

Delivery

Our Injection Molding for Various Industrial Applications

Automotive

Aerospace

Consumer Goods

Medical Devices

Robotics

Why Choose Our Custom Injection Molding Services

No MOQ

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Injection Molding Overview

What's Injection Molding?

What Are the 4 Stages of Injection Molding?

What are the Advantages of Injection Molding?

What are Injection Molding Applications?

FAQs about RapidDirect Injection Molding Service

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