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Top Plastic Injection Molding/Rapid Tooling Services
T1 Samples As Fast As 2 Weeks
Production-Grade Steel Tooling
Here at Modo Rapid, in addition to providing you with prototype services, we also support you in the process of putting your products into the market and provide you with injection molding service and rapid tooling services.
Plastic components are used in many industries. From automotive to home appliances and medical devices, components in a variety of plastics are used to protect, enhance and build a huge range of products. Yet very few designers know exactly how their products are produced.
What we do best is automotive accessories, electronic casings and medical device enclosures.
What is injection molding process?
Injection molding is a manufacturing process that involves using a heated material (such as plastic or metal) to create intricate parts and components from a given set of dimensions. This is done by forcing the heated material into a pre-designed mold cavity at high pressure. The resulting parts have very precise geometries and can be produced in large quantities, making injection molding ideal for producing items such as medical equipment, car parts, electronic components, toys, and more.
How Custom Plastic Injection Molding Works？
At Modo Rapid, we first review your online quotation for plastic injection molding and then negotiate with you to ensure that your specifications, lead times and price match your project needs. We then CNC machine a high-quality injection mold using your 3D part data. Once the molded part is created, Modo Rapid will send ten part samples (T1) for approval. Once the molds are refined and approved, Modo Rapid will begin production. Modo molds a wide range of products and parts, from the smallest medical inserts to large automotive, aerospace and defense parts.
The plastic injection molding process requires raw plastic materials, a machined moldan and a injection molding machine, . The plastic raw material is first melted in an injection unit and then injected into a mold (usually machined from steel or aluminum), where it cools and solidifies into the final plastic part.
Modo Rapid Custom Plastic Injection Molding is an innovative and cost-effective manufacturing solution for producing custom plastic parts. It uses high-speed injection technology and complex molds to produce parts with precise geometries in a fraction of the time required by traditional injection molding. This allows you to quickly create prototypes or low-volume production runs without sacrificing quality or complexity. Modo Rapid Custom Plastic Injection Molding also eliminates the need for expensive prototyping costs, making it an ideal choice for creating cost-effective parts on tight budgets.
Molding Capabilities Options Available
Large Part Injection Molding Services
You can get custom plastic molded prototypes and production parts in as few as 15 business days. We provide expert engineering reviews. Lots of materials and finishes are available for your custom projects.
Automotive Injection Molding
Automotive plastic component injection molding/high precision plastic auto parts
Insert Molding Service
Insert molding can make your parts as a whole component, which can be used or sold directly.
Medical Injection Molding
High quality medical device injection molding/Medical Device Manufacturing
Injection Molding at Modo Rapid
Our factory is ISO 9001 & IATF 16949 accredited in Shenzhen China.
Electronics Injection Molding
Electronics injection molding can speed up your new project and take your products to market.
Injection Molding Materials
| ABS | Acetal/POM (Delrin) | HDPE |
| High Impact Polystyrene (HIPS) | LDPE | Nylon – Glass Filled & 6/6 |
| PBT | PC/ABS | PEEK |
| PEI (Ultem) | PET | PMMA (Acrylic) |
| PBT Glass-Filled | PEEK Glass-Filled | Polycarbonate |
| Polycarbonate Glass-Filled | Polyethylene | Polypropylene |
| PPA | PPO | PPS |
| PPSU | PVC | Rubber |
| SAN (AS) | Silicone | Thermoplastic Elastomer (TPE) |
| TPU | VAT |
Injection Molding Part Finishes
| Glossy | Semi-Glossy | Matte | Textured |
| SPI-A2 | SPI-B1 | SPI-C1 | MT (Moldtech) |
| SPI-A3 | SPI-B2 | SPI-C2 | VDI (Association of German Engineers) |
| SPI-B3 | SPI-C3 | YS (Yick Sang) |
Heat Staking
The process of locally heating a plastic component in order to insert another metal component (usually called threaded insert).
Ultrasonic Plastic Welding
A high frequency welder generates heat to join or reform thermoplastics.
Painting
Primer and top coat; standard colors or Pantone matching; masking available; EMI (copper) paint.
Laser Engraving
Engraving text or a design with the use of a laser.
Pad Printing
A process to apply an ink-based, 2D design to a 3D surface.
Design suggestions of injection molding/Rapid tooling parts
Wall thickness
Designers can decrease the maximum wall thickness of your product to shorten the cycle time (injection time and cooling time specifically) and reduce the part volume. To put it simply, part redesigned with thin walls.
If would be prefer if you uniform wall thickness, as it ensure uniform cooling and reduce defects.
Threads
Modo Rapid knows how to reduce cost for you, so features with external threads should be oriented perpendicular to the parting direction when you design. Because it will increase the tooling cost and require an unscrewing device if threaded features that are parallel to the parting direction.
Corners
If you want to reduce stress concentrations and fracture, design round corners. In addition, inner radius should be at least the thickness of the walls.
Bosses
It should be supported by gussets at the base or by ribs that connect to adjacent walls. Wall thickness of bosses should be no more than 60% of the main wall thickness. Designers should also make sure that radius at the base should be at least 25% of the main wall thickness. If you want to place a boss near a corner, the boss should be isolated using ribs.
Ribs
For structural support, designers should add ribs, rather than increasing the wall thickness. Generally, thickness of ribs should be 50-60% of the walls to which they are attached. Height of ribs should be less than 3 times the wall thickness. Therefore, designers should apply a draft angle of at least 0.25°
Undercuts
Designers should try your best to minimize the number of external undercuts. As external undercuts require side-cores which would add to the tooling cost. Though some simple external undercuts can be molded by relocating the parting line, which is a piece of cake of Modo Rapid.
Adding an opening in the side of a part can allow a side-core to form an internal undercut. You also need to minimize the number of side-action directions.
What are the 4 stages of injection moulding?
The four stages of injection molding are: injection, packing, cooling, and ejection. In the injection stage, molten material is injected into a pre-made mold cavity. During the packing stage, the material fills out the complex shape of the part before being allowed to cool. Once it has cooled, the part is ejected from its mold in the ejection stage. Finally, post-processing treatments such as painting or polishing can be done as necessary.
The outline of injection molding
Type of injection molding
Single or multiple cavities
Modo Rapid can make single or multiple cavities. Multiple cavity moulds can have the same part in each cavity or can be unique to create parts of different geometries.
Aluminium moulds & steel moulds
Aluminium moulds are not suitable to high volume production or parts with narrow dimensional tolerances as they have inferior mechanical properties and can be prone to wear, deformation and damage due to clamping forces and the injection. While steel moulds are more durable but, they are also more expensive than aluminium moulds.
Custom Injection Molds Service
Custom Injection Molds Service means Modo Rapid provide custom plastic injection molding product on your request. We accept customer-sourced or customer-supplied resin for production projects to manufacture. Actually, custom projects will get started from drawing design and optimization. Modo Rapid engineering team will cooperate with designers and industrial engineers at the stage of design. In the stage of production, Modo Rapid will also custom specific colors you prefer and surface finishing/ treatment. As an expert injection molding maker, we know how to save the cost and time of your company. Therefore, Modo Rapid is a one stop professional Chinese injection molding manufacturer. Are you going to discuss with our project manager soon?
Why Use Modo Rapid Injection Mold Services?
Cost
The entry cost for injection molding manufacture must be high – both the cost of the machinery and the molds themselves. However, it will also influenced by the mold design. Modo Rapid has a professional engineering team, we know how to design mold to reduce your cost.
Production Quantity
It is significant to determine how many parts you need to manufacture so as to decide whether injection molding is the most cost-effective production method for your product. Discuss with Modo Rapid project manager about your project to determine the amount reasonably.
Design Factors
Minimizing the number of parts and simplifying the geometry of your part will make injection molding easier. In addition, the design of the mold tool is also important to prevent defects during production. Modo Rapid engineering team knows the those factors and design tips of injection molding cost.
Production Considerations
Minimizing the cycle time will contribute to production and we will injection machines with hot runner molds. There will also be cost savings from minimizing assembly requirements, especially when you want to produce several thousands of millions of parts. Modo Rapid engineering team can full control the process of injection molding, from plastic materials inspection to low volume injection molding/ mass production.
FAQs of Injection Molding
What is injection molding?
Injection molding is the conversion of hot-melt plastics into solid plastic products through an injection molding machine.
What industries use injection molding?
Many industries benefit from the highly versatile process of injection molding, including:
- Eletronics
- Automotive
- Medical & Pharmaceutical
- Agriculture
- Consumer Goods
- Sporting Goods
What are the types of injection molding processes?
Custom plastic injection molding
Cube molding
Insert molding
Gas-assisted injection molding
Reaction injection molding
Overmolding
Where is your injection molding factory
Modo Rapid factory is located in Shenzhen China.
Possible Defects in Injection Molding We Need to Know
Flash
It’s because injection pressure too high and clamp force too low.
Warping
It’s caused by non-uniform cooling rate.
Bubbles
it mainly be caused by 3 reasons: injection temperature too high, too much moisture in material or non-uniform cooling rate.
Unfilled sections
Insufficient shot volume is a reason we can’t ignore.
Sink marks
Non-uniform cooling rate and injection pressure too low are the reasons.
Ejector marks
Non-uniform cooling rate and injection pressure too low are the reasons.
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