Custom Online Injection Molding Service
Quickly move from plastic molded prototypes to high-quality custom production parts. Get bulk pricing & DFM in 1 day. 30+ thermoplastic, thermoset materials.
- Free quote with DFM feedback
- No MOQ
- 0.05mm mold tolerance
- T1 sample as fast as 2 weeks
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.
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.
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.
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.
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.
Custom Injection Molding Solutions
Explore our on-demand injection molding solutions to seamlessly transition from prototyping to high-quality production.
Rapid Prototyping
Turn ideas into reality quickly with Rapid Prototyping. Detect and fix design errors early, saving time and costs, while ensuring your CNC machined product is market-ready.
Low-Volume Production
Need a limited batch without the wait? Our Low-volume Production gets you machined parts fast, without the burden of large-scale orders, balancing costs and efficiency.
CNC Machining Materials
A number of materials can be used in CNC machines, giving you various of options to complete rapid prototyping to production runs of custom complex parts. For your manufacturing needs, we provide instant quotations of 40+ metals and plastics, and even you can compare prices for different machining materials.
Stainless Steel
Stainless steel is the low carbon steel that offers many properties that are sought after for industrial applications. Stainless steel typically contains a minimum of 10% chromium by weight.
Price: $$
Lead Time: < 10 days
Wall Thickness: 0.75 mm
Tolerances: ±0.125mm (±0.005″)
Max part size: 200 x 80 x 100 cm
CNC Machining Surface Finishes
CNC machining leaves visible tool marks during the process of removing portions of the block’s surface to create desired shapes. If don’t want as-machined parts, select a surface finishing for your custom parts. At RapidDirect, we offer several common surface finishes that help improve functionality and aesthetics.
| 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 |
CNC Machining Tolerances
For metals, our RapidDirect CNC machining service adheres to the ISO 2768-m standard, and for plastics, we follow ISO 2768-c. For custom tolerances, mark them clearly on your drawing.
| 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 |
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.
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.
Why Choose Our Custom CNC Machining Service
Online Instant Quote & DFM Analysis
No need to write a quote request email, get instant CNC quotes by simply uploading your design files. Our digital quoting platform analyzes your part geometry, and provides real-time & competitive pricing and comprehensive DFM feedback.
Consistent High Quality
Advanced CNC capabilities, rigorous quality checks, combined with constant communication, ensure that every machined piece you receive meets the highest standards, consistently and reliably.
Fast and Reliable Delivery
Boasting robust manufacturing capacity, RapidDirect ensures quick turnaround for CNC machined parts. Plus, with our varied shipping choices, you'll get your order on time, without the usual hassles.
Professional Engineering Support
No matter where you are, you can get our 24/7 engeering support all year around. Our experienced engineer can provide you with the most appropriate solution to your part design, material selection, and surface finishing and even lead time.
CNC Machining Overview
What's CNC Machining?
CNC Machining, or Computer Numerical Control Machining, is a manufacturing technique where computer-controlled devices are used to remove layers from a material, creating detailed parts or components. Through a combination of tooling and precise machine movement, it produces parts to exact specifications.
What's the CNC Machining Process?
The CNC machining process begins by designing a part in CAD software. This design is then converted into a set of machine commands using CAM software. The CNC machine reads these commands to precisely cut and shape the material, producing a finished part that matches the digital design.
What are the Advantages of CNC Machining?
CNC Machining offers unparalleled precision and repeatability, making it a top choice for industries requiring intricate parts. Its ability to handle a variety of materials, from metals to plastics, combined with fast production times and consistent quality, makes it an essential method in modern manufacturing.
What's the Difference Between 3D Printing and CNC Machining?
3D printing is an additive manufacturing method, building parts by depositing material layer by layer. In contrast, CNC machining is a subtractive method, starting with a solid block of material and removing sections until the desired part is achieved. While 3D printing is often favored for complex geometries and rapid prototyping, CNC machining excels in durability, precision, and material versatility.
FAQs about RapidDirect Injection Molding Service
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