Model Number: PLM- Shots
Logo: Customized Printing
Service: OEM\ODM
Packaging Details: Wooden case for Plastic injection mould, Inner package for Plastic molded electronic casing: 1pcs/polybag. Carton box for out package. If necessary, cartons would be place to pallets.
Port: Xihu (West Lake) Dis.,HangZhou/Hongkong

Product Pictures Company Information HangZhou Splendor Technology Co., Ltd.Our company have been manufacturer of plastic injection mold, plastic injection parts, various rubber parts, silicone rubber keypads, metal parts for more than 21 years. Our company is ISO certified and golden supplier on Alibaba for more than 15 years.We have established trade relations with customers in many countries such as USA,UK,India, Russia, Germany,Turkey, Greece, South Africa and so on. we can offer 1 stop service from mold design — mold 3D drawing — molding — plastic injection part — second processing (silk -screen printing, plating, painting, ultrasonic welding and so on) — assembly — package — shipment –after-sales service. Generally, we offer custom service to our customers based on their design or original samples.

Mold MaterialAluminum,45#, P20, H13, 718, 1.2344, 1.2738 and so on
Plastic MaterialPC/ABS, ABS, PC, PVC, PA66, POM or other you want
silicon rubber MaterialNR, NBR, SBR, EPDM, IIR, CR, SILICONE, VITON,etc
Plastic Surface finishPolishing finish,Texture Finish,Glossy Finish,Painting,Slik print,Rubber Painting etc
Drawing formatIGES, STEP, AutoCAD, Solidworks, STL, PTC Creo, DWG, PDF, etc..
The Way of Color Contrast for PlasticRAL / PANTONE
CertificatedISO 9001:2015 Certificated, SGS Certificated
Service ProjectTo provide production design, production and technical service, CZPT development and processing, product assembly and packaging,etc
Customer Photos Packing&Shipping Packing: wooden case for molds, inner packing is PP bags for parts and outer packing is standard export carton. Leading time: 25-30 working days for plastic injection molds and samples after receiving the deposit, mass production time to be discussed after the final sample is confirmed. Rubber and metal mold leading time: 12-15 working days for rubber, metal molds, and samples after received deposit, mass production to be discussed after the final sample is confirmed.Port Xihu (West Lake) Dis., HangZhou/HongKong FAQ 1). What should we offer before start?We provide custom service, which means, please provide 3D drawing in stp, igs format and tell us the specific requirements on material, color,surface treatment, and order quantity, please provide original samples if no design so we can work on the exact cost and make design for you. We can also help you to improve and update the design if necessary based on your original samples or design before molding2). How do we work?After getting your deposit, our engineering dept will do a design evaluation report before mold design and we will send the final design for the customer’s final approvalWe will work on the mold design after the product design is confirmed.We will make the first samples for customers first testing on assembly, we will do modifications free of charge if small modifications are needed.We will make final samples with surface treatment and color after assembly testing is ok.3). Can we customize the color?Yes, we can do a color match by Pantone number or your samples.4). Can we get your free samples?Yes, you can. Our samples are only free for the customers who confirm the order. But the express freight is on the buyer’s account.5). What is the normal lead time?A.For plastic injection molds, we will send samples to you within 25-30 working days upon receipt of the depositB.For rubber parts and molds, we will send samples to you within 12-15 working days upon receipt of the depositc. For metal parts and molds, we will send samples to you within 12-15 working days upon receipt of the deposit6). What is your payment term?Generally, we work with T/T with the 50% deposit for molds and the balance of 50% against the first samples confirmationIn mass production orders, we work with 50% deposit and the balance of 50% before shipment

Designing Injection Molded Parts

Designing injection molded parts involves careful consideration of various parameters, including the wall thickness and draft angle. These factors are essential for a strong, durable part. Improper wall thickness can lead to sinking and warping defects. To avoid these issues, ensure that the walls of your injection-molded parts have a uniform thickness that does not vary too much from the rest of the part.

Designing out sharp corners in injection molded parts

Injection molded parttWhen designing an injection molded part, it’s important to consider the corner radius. Sharp corners will create more stress, and this will lead to weak spots and cracks. Creating a radius around the corner helps distribute stress evenly and allows easier material flow and part ejection. Additionally, sharp corners in a mold can collect contaminants and create defects, including surface delamination.
Sharp corners in injection molded parts are a common source of stress and can cause the part to become damaged during the manufacturing process. In addition to trapping air, sharp corners may also lead to localized high temperatures that degrade the part. To reduce these risks, consider adding radii to all sharp corners.
Another important design factor to consider is wall thickness. Parts that have a smooth transition between sections should be designed with a minimum of five millimeters of wall thickness. Anything thicker will increase production cycle time and may also negatively impact mechanical properties. The use of fillets and chamfers can also help avoid these problems.
Designing out sharp corners in injection molded components can prevent costly problems from occurring during the manufacturing process. While the process is simple and straightforward, it needs to be done correctly to ensure quality. By following best practices, designers can ensure their parts won’t develop any problems or sink, warp, or voids. A poor design can also cause damage to the mold, which can cost thousands of dollars and hundreds of hours to redesign.
When designing injection molded parts, designers should consider the following guidelines. Incorporate internal and external radiuses. The internal radius (also called a fillet radius) is designed into the mold for improved quality and strength during the molding process. This radius is typically located on the inside corners or the bottom of a compartment. It can also be used for connecting walls and ribs. An external radius, on the other hand, is known as a round radius.
A right-angled part with sharp corners has a tendency to be loaded by pushing the vertical wall to the left. This creates a high-level of molded-in stress in the part. The resulting part may be weaker than expected because of the increased stress on the corner.

Importance of uniform wall thickness

Uniform wall thickness is a critical factor when designing injection-molded parts. This ensures that molten polymers can flow efficiently throughout the part. Additionally, it facilitates ideal processing. Varying wall thickness can cause problems during molding, such as air trapping, unbalanced filling, and weld lines. To ensure that your injection-molded parts are uniform, consult a plastic injection molding company that specializes in uniform wall thickness.
Injection-molded parts are more durable when the walls are uniform. A thin wall reduces the volume of material used in the part. However, thin walls can break during ejection. In addition, thin walls increase the possibility of voids. To prevent such problems, use larger machines that can produce parts with uniform wall thickness. This way, parts are easier to handle and ship.
Another important factor is the presence of gussets. These are support structures that stick out from a part’s surface. Gussets are useful for preventing warping, because they provide rigidity to thin unsupported sections. For this reason, gussets are essential when designing an injection-molded part.
Uniform wall thickness is especially critical in parts that have bends or rims. A uniform thickness helps maintain the mechanical strength and appearance of a part. However, this can be tricky as you may need to balance optical properties with mechanical ones. At Providence, we have the experience to help you navigate these challenges and produce quality parts.
Proper wall thickness is important for many reasons. It can affect both cost and production speed. The minimum wall thickness for injection molded parts depends on the part size, structural requirements, and flow behavior of the resin. Typically, injection molded parts have walls that are 2mm to 4mm thick. However, thin wall injection molding produces parts with walls as thin as 0.5mm. If you’re having trouble choosing the right wall thickness, consult an experienced injection molding company that can help you determine the appropriate wall thickness for your part.
Uneven wall thickness causes problems during injection molding. The uneven wall thickness may make the material flow through the part too quickly, or it may cause it to cool too slowly. This can lead to warping, twisting, or cracks. Even worse, uneven wall thickness can cause parts to become permanently damaged when they are ejected from the mold.

Importance of draft angle

Injection molded parttDraft angles are an important part of design for injection molded parts. These angles are necessary because friction occurs on surfaces that come into contact with the mold during the molding process. A part with a simple geometry would only require a single degree of draft, but larger parts would need at least two degrees.
Almost all parts requiring injection molding will require some amount of draft. The better the draft, the less likely the parts will have a poor finish and may bend or break. Furthermore, parts with inadequate draft will take longer to cool, extending cycle times. Moreover, if the parts are too thick or have too little draft, they may become warped.
Having a draft angle in injection molding is very important, especially if the mold has sharp corners. Without it, parts will come out scratched and will shorten the life of the mold. In some cases, parts may even not be able to eject from the mold at all. To prevent this, air needs to be allowed to get between the plastic and metal. This allows air to escape and prevents warping during ejection.
The importance of draft angle is often overlooked in the design process. Adding this angle to the mold can help prevent problems with mold release and reduce production costs. A draft angle will also allow parts to release from the mold more easily and will lead to better cosmetic finishes and fewer rejected parts. Additionally, it will reduce the need for costly elaborate ejection setups.
Draft angle should be added to the design as early as possible. It’s crucial for the success of the injection molding process, so it is best to incorporate it early in the design process. Even 3D printed parts can benefit from this detail. The size of the draft angle is also important, especially for core surfaces.
A draft angle can be large or small. The larger the draft angle, the easier it is to release the mold after the mold is completed. However, if the draft angle is too small, it can lead to scrapes on the edges or large ejector pin marks. Draft angles that are too small can lead to cracks and increase mold expenses.

Cost

Injection molded parttThere are many factors that contribute to the cost of injection-molded parts, including the material used for the mold and the complexity of the design. For example, larger parts will require a larger injection mold, which will cost more to manufacture. Additionally, more complex parts may require a mold with special features. Mold makers can advise you on how to design your part in order to reduce the overall cost of an injection-molded part.
One of the biggest costs related to the production of injection molded parts is the cost of the tooling. Tooling costs can reach $1,000 or more, depending on the design, materials, and finishing options. Tooling costs are less if the part quantity is small and repeatable. Higher part volumes may require a new mold and tooling.
Injection-molded parts’ cost depends on the material used and the price of procuring the material. The type of material also influences how long the part will last. Plastics that contain high percentages of glass fibers are abrasive and can damage an injection mold. Therefore, they are more expensive but may not be necessary for certain applications. Additionally, the material’s thermal properties may also affect the cycle time.
Mold size is another factor that impacts the cost. Larger molds require more CNC machinery and building space than smaller molds. Additionally, the complexity of the part will also impact the cost. Injection molds with sharp corners and complex ribs will cost more than small injection molds without intricate designs.
Injection molding is a complex process that requires a variety of moving parts. During the process, a critical piece of equipment is the injection die. This machine is a large part of the process, and comes in different sizes and shapes. Its purpose is to accept the hot plastic and machine it to extremely precise tolerances.
If your project requires a complex product with a high degree of complexity, injection molding is an excellent choice. It is ideal for initial product development, crowdfunding campaigns, and on-demand production. Mold modifications can also lower the cost of injection molding.
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