China Standard Various Design PP Clear Plastic Storage Boxes Muti-Purpose Household Organizer Molding Parts standard tolerances for injection molded parts

Product Description


Business type Manufacturer,OEM/ODM and customization service supported
Main Product plastic molds/molds,blow moulds , prototypes, injection molding products,plastic products,metal stamping die parts,CNC processing, used molds,3D printing, regular /non-standard semi/full automatic injection molding machinery line ,etc
Mould Material P20/718/738/NAK80/S136/2738/2316/H13, etc.
Moud Precision +/-0.01mm
Mould Life 50K-5000K shots
Mould Cavity Single cavity, multi-cavity
Runner System Hot runner and cold runner
GateType Pinpoint Gate, Edge Gate, Sub Gate, Film Gate, Valve Gate, Open Gate, etc.
Equipment CNC,EDM, 3d coordinate measuring instrument,Machine,plastic machinery,etc plastic part
Plastic Material PS, ABS, PP, PVC, PMMA, PBT, PC, POM, PA66, PA6, PBT+GF, PC/ABS, PEEK, HDPE, TPU, PET, PPO,etc.
Surface Treatment Polishing,Painting,Chroming,Anodizing, Brushing, Silk Screening,Water Transfering, Laser Cutting,Leather Covering,Texture,Sanblasting,Gilding,UV Painting…
Pls Provide 2D, 3D, samples, or the size of the multi-angle pictures
Quality System ISO-9001:2015
Package Seaworthy exported wooden case

About us :
HONGTENG was established in 2016 and consists of 3 factories: XiaMen Hongteng Optoelectronics Technology Co., Ltd, HangZhou Hongteng Plastic Molding Co., Ltd. and Hongteng ZhiZhi (Xihu (West Lake) Dis.) Technology

Over 200 staffs and a total area of around 25,000 square CZPT ,equipped with more than 150 complete and advanced production equipment ,the company has a professional team of highly skilled design and engineering staffs to work on plastic injection mold ,blowing mold ,CNC Machining ,parts production ,mold Design ,assembling production line ,standard/non-standard customization of semi/auto-injection machinery production line ,and other flexible OEM/ODM service,etc, achieving the certificates of ISO9001 , ZheJiang Science and Technology Little Giant leader enterprise ,XiaMen Science and Technology Little Giant leader enterprise and many patents.

HongTeng gains good reputation and satisfaction from collaboration with PHILIPS,GE,OSRAM,MI,HUAWEI,CATL,NIO and many other customers ,serving various markets including Optoelectronic,Household &Industrial , Electronics & Telecommunications, Medical & Healthcare,Automotive,sports,standard/non-standard customization of semi/auto-injection molding machinery production line(Borunte Injection machine ,such as:Three-axis/Four-axis/Five-axis  servo Manipulator ;Two-axis/Four-axis/Six-axis Robot,Six-axis cooperative Robot,Lurking AGV,Composite mobile robot platform,Industrial Robot Series ,Casting Robot Series ,I.M.M Robot Series ,etc) ,and other flexible OEM/ODM service.

HongTeng aims to help clients optimize productivity and minimize manufacturing costs, strengthening the ability of OEM to compete effectively on a global basis.
welcome to contact us .

Our sample showroom:

Our certificates(ISO,Patents,Awards) honors:

Our tooling workshop:

Our injection workshop:

Our metal processing workshop:

Our R&D Department:

Our assembly workshop:

How to order :
Kindly contact or email us your inquiry or RFQS with details.One of our sales team would contact you ASAP and offer professional consultation on all your plastic molding needs and provide the best price .

1,What do we make?
We do mold design , plastic injection molds ,plastic products ,blowing molds ,blowing products ,Metal Stamping Die Parts,CNC Machining parts,Die Casting,standard/non-standard customization of semi/auto-injection molding machinery production line ,and other flexible OEM/ODM service.

2,Why choose us?
1.Over 20 years of experience. .
2.Around 25,000sqms production area
3.ISO9001 ,ZheJiang and XiaMen Science and Technology Little Giant leader enterprise and over 30 patent certificates
4.More than 150 complete and advanced production equipment
5.More than 30 senior engineers
6.One-stop service and technical support from design to mass production
7.Flexible solution could be customized as per client’s providing details to achieve their demands .
8.Strict quality check in prior to shipment for each order .

3,How can I get a quote?
Contact us.In order to quote you as soon as possible,kindly provide following information:
1.Detailed drawings(format:CAD/PDF/DWG/DXF/DXW/IGES/STEP etc.)
4.Surface treatment
5.Mold life or your monthly production quantity
6.Any special packing or other requirements

4,Can I get a quote without drawings?
Sure, we appreciate to receive your samples, pictures or drafts with detailed dimensions for accurate quotation.

5,Can we CZPT NDA?
Sure,we pay much attention to protect our customers’ privacy of drawings, We never disclose customers’ information to anyone else.

6,How long is the lead time for mold?
It depends on the mold’s size and complexity .Normally ,the lead time is 25-45 days .If the mold is very simple and not in big size ,we can work out with 15days.

7,How do you control the quality?
We want long term business relationship ,we understand quality is the first priority .
Always a pre-production sample before mass production;
Always final inspection before shipment.

8,How about the transportation?
You can choose any mode of transportation you want, sea delivery, air delivery or door to door express.We can also deliver the goods to your warehouse in China .


Shaping Mode: Injection Mould
Surface Finish Process: Polishing
Mould Cavity: Multi Cavity
Plastic Material: ABS
Process Combination Type: Compound Die
Application: Household Appliances


Customized Request

Injection molded partt

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

When 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.


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.
China Standard Various Design PP Clear Plastic Storage Boxes Muti-Purpose Household Organizer Molding Parts   standard tolerances for injection molded partsChina Standard Various Design PP Clear Plastic Storage Boxes Muti-Purpose Household Organizer Molding Parts   standard tolerances for injection molded parts
editor by CX 2023-11-11