China high quality OEM/ODM Factory Plastic Medical Thermometer Case Shell Injection Molded CZPT injection molded part design

Product Description

Product Description

Professional High Precision Plastic Injection Mould Factory
Mould material P20, 718, NAK80, S316H
Hardness of steel Vacuum quenching, nitride, hrc41-47, hrc46-50, hrc60
Mould base LKM, HASCO
Mould cavity Single / Multi
Runner system Hot / Cold
MoInjection machies equipments According to product precision to choice the different model 100T,128T,150T,200T,250T,368T,450T injection machine.
Inspection 100% inspection by QC, QA before shipping.
Fast mould design Can be within 1-3 working days after getting customer’s drawings
Lead time Plastic moulds : 3- 6 weeks after getting the mould design confirmation
Mould testing All of the moulds can be well tested before the shipments. Videos for moulds trial running are available.
Minimum order Small orders for injection moulding can be accepted
Production capacity 50 sets/month
CAD for quote Step.& dwg.
Mould life 100-500K shots
After sales service Available by our staff with more than 10 years of working experience in this field

Product Show

CNC Plastic Precision Mechanical Dummy Prototype 1. CNC ABS part
2. CNC PC clear part
3. CNC PMMA transparent
4. CNC plastic part
5. CNC machining prototype
6. Vacuum casting molding
7. Vacuum casting TPU part
8. Silicon rubber molding partpart
9. Small production by SLA/vacuum casting
Plastic material ABS, PP, PC, POM, PMMA, NYLON, TPE, TPU etc
Color RAL/PANTONE color
Prototype surface finish Polishing finish,Texture Finish,Glossy Finish,Painting,Slik print,Rubber Painting etc

Manufacturing Ability

Our Service

ScHangZhou & 3D drawing can make a 3D drawing through scHangZhou machine with sample
CNC Machining prototype ABS, PC, Nylon, good strength, same material features as injection parts
SLA & 3D print prototype cost effective for part show or design test
Vacuun casting mold/Silicon mold for TPU or rubber material, color part available
Plastic injection mould soft tooling or production mould, can do switch runner at single tool to save tooling investment
Injection moulding parts ABS, PC, POM, TPU, overmolding parts, can provide painting or logo print service
Advantages Confidentiality Signed NDA documents to ensure all your information discussed be confidential. We will also train the staff with detailed regulations and not showing the staff full data if not necessary.
Initiative
communication
Through many years cooperation with our partners, we are confident to provide you satisfied quality with a reasonable price. Not only providing satisfied quality and on-time delivery, but we also have a dedicated and initiative staff for every issue happened in the process.
Efficient service For some urgent issues, we provide 7*24 hours for timely feedback.We will reply your mail within 12 hours or earlier since our team members are energetic and all using smartphone devices.Please add our or for better communication
Advantage in price We are also happy to follow up your other projects which need outsourcing service, what we think is to save your plant visit cost and transportation cost etc. Our team’s goal is to work hard to find out the best price with good quality products for our
customers and achieve more trust and confidence on both sides

Packaging & Shipping

Delivery Method: Payment Terms: Warranty Period:
Sample by Express Courier, such as DHL, Fedex,UPS, TNT, EMS etc.; Bulk Order by Air, by Load or by Sea; We accept TT, western union, paypal, moneygram, Escrow , (if you prefer other ways ,pls let us know) We cherish every cooperation chance, and treat customer as friend. Production quality will always be same with sample test. For defected goods, we will re-produce and ship out for replacement

Company Profile

Why Choose Us

FAQ

Q1:What is your business scope?
A1: Our factory provides CNC plastic prototype, Plastic injection mould, moulding production, logo print and color painting. 

Q2:Can you help to share an idea for a new product? 
A2: Yes. We are always happy to cooperate with potential customers to evaluate the technical feasibility. Like, choose the right material, optimized the design, DFM report, and building cost etc.

Q3:Can you make double color injection mold or over-molding mould? 
A3: Yes, we can. Have made lots of double color molds for brand earphones. 

Q4:Which country do you frequently work with? 
A4: Our customer groups mainly from USA, Canada, Mexico, Australia, Japan, Singapore, India, Israel etc. 

Q5:How to have my components quoted? 
A5: Please share us your drawings with 3D format (.STEP or .IGES files) and detailed BOM sheet. We are pleased to CZPT the NDA with your company. 

 

Q6:Can I have precision prototypes for testing before tooling design?

A6: Sure, our factory can prepare the prototype with surface finish and color painting, either CNC machining or SLA 3D printing is available.

 

Q7:What is the lead time for CNC prototypes?
A7: It is about 4 to 7 days for qty less than 5sets, and 7 to 12 days for qty above 10sets. Before painting process, we will polish and test part assembly, and then share video for confirmation.

 

Q8:We’ve decided to go ahead for the project. How long will it take to get T1 parts?

A8: It takes 3 to 4 weeks to have the mould/tooling manufactured well before first tooling trial. Once the part quality approved with good quality by your side, you can expect parts delivery within 2 weeks.

 

Shaping Mode: Injection Mould
Surface Finish Process: Polishing
Mould Cavity: Multi Cavity
Plastic Material: PC
Process Combination Type: Single-Process Mode
Application: Household Appliances, Electronic, Home Use
Samples:
US$ 30/Piece
1 Piece(Min.Order)

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Customization:
Available

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Injection molded partt

Importance of Wall Thickness in Injection Molded Parts

When designing injection molded parts, it is important to keep the wall thickness uniform. Uneven wall thickness can lead to warping and sinking. To minimize these problems, injection molded parts should have a wall thickness of 40 to 60 percent of the adjacent wall. The thickness of the wall should also fit within the range recommended for the resin that is being used. If the wall thickness is too thick, it should be cored out. Unnecessary wall thickness alters the dimensions of the part, reduces its strength, and may require post-process machining.

Designing out sharp corners on injection molded parts

Designing out sharp corners on injection molded components can be a challenging process. There are several factors to consider that impact how much corner radius you need to design out. A general rule is to use a radius that is about 0.5 times the thickness of the adjacent wall. This will prevent sharp corners from occurring on a part that is manufactured from injection molding.
Sharp corners can obstruct the flow of plastic melt into the mold and create flaws on parts. They can also cause stress concentration, which can compromise the strength of the part. To avoid this, sharp corners should be designed out. Adding radii to the corners is also an effective way to avoid sharp angles.
Another common problem is the presence of overhangs. Injection molding parts with overhangs tend to have side-action cores, which enter from the top or bottom. As a result, the cost of making these parts goes up quickly. Moreover, the process of solidification and cooling takes up more than half of the injection molding cycle. This makes it more cost-effective to design parts with minimal overhangs.
Undercuts on injection molded parts should be designed with a greater radius, preferably one or two times the part’s wall thickness. The inside radius of corners should be at least 0.5 times the wall thickness and the outside radius should be 1.5 times the wall thickness. This will help maintain a consistent wall thickness throughout the part. Avoiding undercuts is also important for easy ejection from the mold. If undercuts are present, they can cause a part to stick inside the mold after it has cooled.
Keeping wall thickness uniform is another important issue when designing plastic parts. Inconsistent wall thickness will increase the chance of warping and other defects.

Adding inserts to injection molded parts

Adding inserts to injection molded parts can be a cost-effective way to enhance the functionality of your products. Inserts are usually manufactured from a wide range of materials, including stainless steel, brass, aluminum, bronze, copper, Monel, nickel/nickel alloy, and more. Selecting the right material for your parts depends on the application. Choosing the correct material can help prevent defects and keep production cycles short. The insert material should be durable and resist deformation during the injection molding process. It must also be thin enough to provide the desired grip and have a proper mold depth.
The benefits of adding inserts to injection molded parts include the ability to design parts with unique shapes. These parts can be aesthetically pleasing, while still remaining durable and resistant to wear and tear. In addition, insert molding allows products to have a good external finish. In addition to being cost-effective, insert molding is considered a more efficient manufacturing method than other conventional methods.
Adding inserts to injection molded parts is an excellent way to enhance the strength and performance of your products. There are many different types of inserts, including threaded nuts, bushings, pins, and blades. Some types are even available with knurled outer surfaces that help them adhere to plastic.
In addition to being cost-effective, insert molding is environmentally friendly and compatible with many types of materials. Typical inserts are made of metal or plastic. Depending on the application, stiffening inserts may also be made from wood.

Importance of uniform wall thickness

Injection molded partThe uniformity of wall thickness is an essential factor in the plastic injection molding process. It not only provides the best processing results, but also ensures that the molded part is consistently balanced. This uniformity is especially important for plastics, since they are poor heat conductors. Moreover, if the wall thickness of an injection molded part varies, air will trap and the part will exhibit a poorly balanced filling pattern.
Uniform wall thickness also helps reduce shrinkage. Different materials have different shrinkage rates. For instance, thick parts take longer time to cool than thin ones. As the part’s thickness increases, cooling time doubles. This relationship is due to the one-dimensional heat conduction equation, which shows that heat flows from the center of the part toward the cooling channel. However, this relationship does not hold for all types of plastics.
The general rule for maintaining uniform wall thickness in injection molded parts is that walls should be no thicker than 3mm. In some cases, thicker walls can be used, but they will significantly increase production time and detract from the part’s aesthetic appeal and functionality. Furthermore, the thickness of adjacent walls should be no thicker than 40-60% of each other.
The uniformity of wall thickness is critical to the overall quality and efficiency of the injection molding process. An uneven wall thickness can cause twisting, warping, cracking, and even collapse. A uniform wall thickness also reduces residual stress and shrinkage. Injection molded parts are more stable when the wall thickness is uniform.
An injection molded part with thick walls can be problematic, especially when the molded parts are shaped like a cube. A non-uniform wall thickness can result in problems and costly retooling. Fortunately, there are solutions to this problem. The first step is to understand the problem areas and take action.

Using 3D printing to fabricate molds

splineshaftThe use of 3D printed molds allows manufacturers to manufacture a wide range of injection molded parts. However, 3D-printed molds are not as strong as those made from metallic materials. This means that they do not withstand high temperatures, which can degrade them. As such, they are not suitable for projects that require smooth finishing. In order to reduce this risk, 3D-printed molds can be treated with ceramic coatings.
Using 3D printing to fabricate injection molds can help reduce costs and lead times, allowing manufacturers to bring their products to market faster. This process also has the advantage of being highly efficient, as molds made using 3D printing can be designed to last for many years.
The first step in fabricating an injection mold is to design a design. This design can be complex or simple, depending on the part. The design of the mold can be intricate. A simple example of a mold would be a red cup, with an interior and exterior. The interior portion would have a large cone of material protruding from the other side.
Injection molding is an effective way to produce thousands of parts. However, many engineering companies do not have access to expensive 3D printers. To solve this problem, companies should consider using outside suppliers. In addition to speeding up the manufacturing process, 3D printing can reduce the cost of sample parts.
Plastic injection molding still remains the most popular method for high volume production. However, this process requires a large up-front capital investment and takes a while to adapt. Its advantages include the ability to use multiple molds at once, minimal material wastage, and precision dosing. With an increasing number of materials available, 3D printing can be a smart option for companies looking to manufacture a variety of plastic parts.
China high quality OEM/ODM Factory Plastic Medical Thermometer Case Shell Injection Molded CZPT   injection molded part designChina high quality OEM/ODM Factory Plastic Medical Thermometer Case Shell Injection Molded CZPT   injection molded part design
editor by CX 2023-04-19