Plastic injection molding parts case
RJCmold’s engineering design team can take your project from concept to design by supporting customers’ designs for manufacturability and mold flow analysis.
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Our Injection Molding for Various Industrial Applications
RJCmold 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.
Our expert automotive manufacturing team can help you design moldable parts that are optimized for manufacturing in collaboration. You’ll find that we’re dedicated to helping you achieve your program objectives on time and cost-effective.
A customer-oriented, agile organisational structure, short decision-making paths, an efficient process environment and our modern technical equipment support the result-oriented project implementation of your solution.
We understand that the components we produce are on the critical path for prototype evaluation and pre-production testing for various applications in the aerospace industry, including interior aircraft components, drone components, wiring organization components, and many others.
Electrical Appliance
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.
| Tooling Materials |
Rigid Plastic Materials |
Elastomer and Rubber Molded Materials |
|---|---|---|
| Tool Steel: P20, H13, S7, NAK80, S136, S136H, 718, 718H, 738 | ABS (acrylonitrile butadiene styrene) | EPDM (ethylene propylene diene monomer rubber (Viton)) |
| Stainless Steel: 420, NAK80, S136, 316L, 316, 301, 303, 304 | ASA (acrylonitrile styrene acrylate) | PEBA (polyether block amide) |
| Aluminum: 6061, 5052, 7075 | CA (cellulose acetate) | PVC (polyvinyl chloride (Shore A)) |
| HDPE (high-density polyethylene) | TPE (thermoplastic elastomer) | |
| LCP (liquid crystal polymer) | TPU (thermoplastic polyurethane (Shore A)) | |
| LDPE (low-density polyethylene) | TPV (thermoplastics elastomer, vulcanized rubber (Santoprene)) | |
| PA 6 (polyamide 6, nylon 6) | LSR (liquid silicone rubber) | |
| PA 6/6 (polyamide 6/6, nylon 6/6) | ||
| PARA (polyarylamide) | ||
| PBT (polybutylene terephthalate, Valox) | ||
| PBT-PET (polybutylene terephthalate-polyethylene terephthalate) | ||
| PC (polycarbonate) | ||
| PC-ABS (polycarbonate-acrylonitrile butadiene styrene) | ||
| PC-PBT (polycarbonate-polybutylene terephthalate, Xenoy) | ||
| PC-PET (polycarbonate-polyethylene terephthalate) | ||
| PCT (polycyclohexylenedimethylene terephthalate) | ||
| PE (polyethylene) | ||
| PEEK (polyether ether ketone) | ||
| PEI (polyetherimide, Ultem) | ||
| PE-PP (polyethylene-polypropylene) | ||
| PE-PS (polyethylene-polystyrene) | ||
| PES (polyethersulfone) | ||
| PET (polyethylene terephthalate, Rynite) | ||
| PLA (polylactic acid) | ||
| PMMA (polymethyl methacrylate, acrylic) | ||
| POM (acetal polyoxymethylene, Delrin) | ||
| PP (polypropylene) |
| Service | Details |
|---|---|
| Lead Time | Starts at 5 business days, including fast quote responses with design-for-manufacturing (DFM) feedback |
| Production Options | Domestic and international |
| Materials | Most plastics, including custom sourcing and matching; see materials list below |
| Machines Available | Single, multi-cavity, and family molds; 50 to 1,100+ press tonnage; side actions including hand-loaded cores. |
| Inspection and Certification Options | Includes FAI and PPAP. ISO 9001, AS9100, ISO 13485, UL, ITAR, and ISO 7 and 8 Medical Clean Room molding. |
| Tool Ownership | Customer-owned with mold maintenance |
| Mold Cavity Tolerances | +/- 0.005″ when machining the mold and an additional +/- 0.002″ per inch when calculating for shrink rate |
| Part to Part Repeatability | +/- 0.004″ or less |
| Critical Feature Tolerances | Tighter tolerances can be requested and may increase the cost of tooling because of additional sampling and grooming. Rjcmold will mill to a steel-safe condition on critical features. |
| Available Mold Types | Steel and aluminum; Production grades range from Class 105, a prototype mold, to Class 101, an extremely high production mold. Rjcmold typically produces Class 104, 103, and 102 tools. |
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 | CD 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>> |
At Rjcmold, 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 | 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 |
What plastics can you use with injection molding?
Injection molding can use almost any type of plastic that can also be combined together. This unmatched versatility is what makes injection molding so popular and suitable for some of the most demanding industries in the world. You can check out our selection of available materials and finishes on this page.
What is the process behind injection molding?
The plastic pellets are melted and are then inserted in liquid form into the mold tool, where it cools and takes the required shape. The process allows for high precision and tight tolerances because it can be replicated exactly each time.
Why should I use injection molding?
Injection molding is one of the most affordable ways to manufacture large quantities of parts, especially for bigger production runs. Even though designing and creating the mold can take time, after that, the process becomes very affordable and efficient.
How quickly can you produce parts using injection molding?
Before production can begin, we will first need to design the injection mold tool. How long this takes will depend on the complexity of your project, but the usual timeline can be as short as a week and as long as a couple of months.
Injection Molded Parts Delivered In Days
The overwhelming majority of our customers receive their injection molded parts in 15 days or less.
Our advanced mold making process is exceptionally efficient due to our proprietary manufacturing concept and team of process experts. Typically we are able to reduce the CAD to Injection Molded Part time by over 75% compared to traditional injection molding approaches.
To be clear, we produce molded parts using standard injection molding equipment with the resins our customers specify in two state of the art facilities in the United States. There is no trick, we just work extremely efficiently.
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