China supplier OEM Custom ABS Plastic Injection Molding Card Shell CZPT roto mold vs injection mold

Product Description

Detail For Customized CZPT :
 

Item Customized plastic parts
Craft Process Injection or Extrusion
Plastic
Granules
Can be UL, FDA, RoHS etc.
Quality Control ISO9001 and ISO14001
Mold Material S316,H13,718,738,P20,H13,420SS
Mold Life 300,000 shots or 1,000,000 shots
Mold Cavity Single-cavity or Multi-cavity
Material ABS, Nylon, PP,PC,PE,POM,PVC,PU,TPR,TPE,TPU,PA,PET,HDPE,PMMA etc.
Hardness 70-90degree
Size/Color The size and color can be customized base on customer’s requirement, customer’s drawing or samples.
Surface treatment Polished or matte surface, painting, texture, vacuum aluminizing and can be stamped with logo etc.
Size Tolerance ±0.05mm
Friendly Reminder For customized parts we need to make mold for it and you have to pay for the mold fee.
The mold belongs to you and we will keep it well for next time use.
Work Flow Step1: Make tooling first and usual need 2~~3 weeks. Step2: Produce and confirm samples.
Step3: One week for mass production usual.
Confirm samples Free samples can be offered for confirm but customer need to pay for the shipping cost.
(The main thing is to check the fits first.)
Package Inner clear plastic bag/outside carton/wooden pallets/ or any other special package as per customer’s requirements.
Delivery Time Total takes 2~~4weeks usual
Payment Terms PAYPAL, T/T, Western Union
Shipping Usual FEDEX, UPS, DHL, TNT, EMS or base on customer’s requirement.

 Our ability:
 

Fastener
Main Varieties 1.Screws, Nuts, Bolts, Washers,hinges
2.Standard fasteners and no-standard fasteners are all available
3.Solidworks, STEP, IGS, AutoCAD
Equipment Capacity 60 sets screws manufacturing machines.
Material Carbon Steel, Stainless Steel, Brass, Aluminum, etc.
Additional Services Finishing: Cleaning, deburring, heat treating, plating, Anodizing
Assembly: Riveting, welding, tapping, staking

Spring
Main Varieties Compression spring
Wire bend form spring/hook
Torsion spring
Extension spring
Spiral Spring
Equipment Capacity 18 sets CNC spring machines
Materials Spring Steel wire, steel wire, stainless steel wire, music wire or other available material.
Wire diameter 0.1mm to 6.0mm
Tolerances 001″ (.571mm)

Stamping
Capabilities 1.Progressive / Fourslide stamping
2.In-die tapping
3.Professional manufacturing department for OEM / ODM Toolings/Moulds
Press Capacity 10 to 250 tons
Equipment Capacity 40 sets stamping machines
Aplications Brackets,Clamps,Clips,Connectors
Contacts,Cups,Flat springs,Levers
Mounting plates,Retainers,Strain Reliefs
Terminals,etc.
Additional Services Finishing: Cleaning, deburring, heat treating, plating
Assembly: Riveting, welding, tapping, staking
Prototype stamping

Deep drawing
Material available Carbon steel(CRS/SPCC, SECC, etc), Stainless steel, spring steel, Bronze(berylium, phosphor, etc), brass, copper alloy, aluminum alloy, tinplate, nickel silver, plastic
Surface treatment available Zinc/nickel/chrome/tin plating(colour or natural), Galvanization, anodizing, oil spraying, powder coating, polishing, passivate, brush, wire drawing, etc.
Metal processing available Stamping parts:Tooling making, samples approval, cutting, stamping, punching, tapping, welding, bending and forming, finishing, assembly CNC parts:CNC lathe milling, CNC lathe turning, drilling, tapping, finishing, assembly, packing
Specification OEM/ODM, make per customer’ s drawing or sample
Tolerance Stamping parts:0.01-0.1mm, CNC machining parts:0.1-0.002mm

Cnc Machining
Capabilities CNC Milling, CNC lathe / turning
CNC Turning with Live Tooling
Solidworks, STEP, IGS, AutoCAD
Multi-Axis Aircraft Machining
Equipment Capacity 20 sets 3 / 4 Axis CNC Milling Machines, 40 stes CNC lathe / turning machines
Materials Aluminum to Hardened Steels and Exotic Alloys, Plastic, Brass, etc.
Additional Services Finishing:Anodized, Cleaning, deburring, heat treating, plating
Assembly: Riveting, welding, tapping, staking
Prototype available

 
ONE-STOP SERVICE:

 

Company profile:

We are a professional production factory specialized in sheet metal fabrication mainly stamping, deep drawing, welding and wire bending.
We have our own equipments for a whole production flow, from mould design, prototypes develop, processing, assembly to surface coating. We have a high level team of engineers to provide you with the most practical and cost-effective solutions. Our workers are experienced and our quality control is strict. We have the ability to provide clients with high quality and low price products. Aligning ourselves with purchasers in the same vision of providing superior quality, has contributed to our success. Also honesty is our best policy. Our philosophy is simple: we deliver our promises.
If you are looking for a manufacturer to fill all of your custom sheet metal parts for your production or business, then you come to the right place. Hengjin Hardware provides free technical assistance for your projects. When you contact us, you’re assured of an experience that exceeds your expectations, you’ll enjoy place of mind knowing that you found dedicate professionals.

Machine list:

Machine Quantity Parameter
 
Punch press 30 25T-250T
 
Hydraulic press 6 160T-315T
 
Cutter machines 3 CNC flame cutting machine, Air plasma cutting machine, Laser cutting machine
 
Shearing machines 2 6*2500mm, 8*2500mm
 
Bending machines 1 6*2500mm, 8*3200mm
 
All kinds of welding machines 10 Electric welding machine, Carbon dioxide protection welding machine, Argon arc welding machine, CNC automatic welding machine, Butt welding machine, Spot welding machines
 


FAQ

Q: How soon can I get reply after send inquiry?
A:All inquiries will be replied within 2 hours except sleeping time in China.    
 
Q: How soon can I get samples ?
A: The drawing determines the length of time,Generally samples can be sent out within 10 working days after product drawing confirmed by both side.  
 
Q: What file format can you accept for my products?
A: 1.We can accept varies format, step, stp, jpg,pdf, dwg, dxf,3d and so on.    
     2.If you do not have a prepared CAD file, we can accept a scan of a hand drawn design.  
 
Q: If I don’t have drawing, how can I get sample ?
A: If you don’t have any drawing,you can send us your sample, we will scan it and make 2D and 3D drawing first, then make sample for you.
 
Q: What are many common materials that you use in projects?  
A: Aluminum,Stainless Steel, Carbon Steel, Copper, Plastics and so on.
 
Q: What’s your MOQ(minimum order quantity)
A: Our MOQ is 100 pcs, you are welcome to send us trial order to test our quality and service.
 
Q: What’s the payment term do you accept?
A: EXW/FOB ZheJiang , paid by T/T, Western Union. 

Plastic Type: Thermosetting Plastic
Plastic Form: Dispersoid
Molding Method: Transfer Molding
Material: PP, PS, ABS
Color: Any Color Available
Equipment: Injection Molding Machine
Samples:
US$ 3/Piece
1 Piece(Min.Order)

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Request Sample

Customization:
Available

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Customized Request

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 supplier OEM Custom ABS Plastic Injection Molding Card Shell CZPT   roto mold vs injection moldChina supplier OEM Custom ABS Plastic Injection Molding Card Shell CZPT   roto mold vs injection mold
editor by CX 2023-04-24