China Custom Molded Plastic Parts injection moulding of parts

Product Description

Personalized Molded Plastic Components

About Us:
HangZhou CZPT Components goods Co., Ltd. is located in HangZhou Town, ZheJiang Province of China. We has really practical transportation situations.

Recognized in 2014 ,our business now covers an area of far more than8000 square meters, and have above one hundred entire time personnel.. With innovative systems and potent energy, we specialize in mould layout, mold creation, zinc & aluminum alloy die-casting, stamping, CNC machining, CNC punching and plastic injection. 
We sincerely hope to cooperate with you to create our long term with each other!

In-property mold style and building abilities, complete provide chain remedies.
Consumers can select from a huge choice of thermoplastics and thermosets that greatest suit their requirements for strength and function. We’ve worked with many kinds of resins, like:

Material type Abbr Description and typical applications
Acrylonitrile Butadiene Styrene Ab muscles Opaque & tough / Phones & computers
Polypropylene PP Opaque & tough / Beer crates
Polystyrene PS Clear & Brittle / Toys & model kits
Polystyrene High Impact HIPS Opaque & tough / Toys & model kits
Acetyl POM Natural & very tough / Gears & bearings
Polycarbonate Pc

Clear and very tough / Street lamp covers & safety 

helmets

Plasticized Polyvinylchloride PVC Opaque & flexible / Shoe soles & electrical insulation
Polyamide 6 PA6

Opaque & very tough / Bushes, bearings & curtain 

fittings

Polyamide 6.6 PA6.six Opaque, tough and rigid / Housings & handles
Polyamide 12 PA12 Opaque tough & rigid / Air filters & spectacle frames
Polyethylene low density LDPE Waxy tough & flexible / Kitchenware & sealing lids
Polyethylene high density HDPE Waxy tough & stiff / Crates & chair seats
Thermoplastic Elastomer TPE  Flexible & tough / Seals & washers
Thermoplastic Rubber TPR Flexible & tough / Seals & washers
Acrylic PMMA Transparent & Brittle / Lenses & car lights &Show
Polystyrene General Purpose GPPS Clear & brittle / Ball point pen barrels
Polyphenylene Sulphide PPS Brown & very strong / Xihu (West Lake) Dis.s & bearings
Polyphenylene Oxide PPO Tough & stable / Electrical parts
Rigid Polyvinyl Chloride UPVC Opaque & tough / Fascia fittings & guttering
Styrene Acrylonitrile SAN / AS Clear & brittle / Table & picnic ware
Polyether Sulphone PES Clear & tough / Metal replacement parts
Cellulose Acetate CA Clear & tough / Spectacle frames

 

You can select plastic finishes as adhere to:
· Metallization (chrome, gold, silver)
· Painting (hand, monitor, automated)
· Vacuum plating
· Lithography
· Custom made texturing
· Hydrographics

*How to receive an on the web quotation?
You should send out us your 3D drawing/2nd drawing for us to examine all dimension

  1. Specify the essential material, finish, amount information in the email, we will handle it for you when obtaining it before long!

Notice: Workable 3D Drawing Formats: Stage/IGS/X_T/STL/SOLIDWORKS and so forth, 2nd Drawing with PDF will do.

*Comprehensive Descriptions:

 

Materials

NBR, SBR, HNBR, EPDM, FKM, MVQ, FMVQ, CR, NR, SILICONE, and many others.

according to the customers’ requirements

Dimension

Dia: 20mm to 50mm

Type

Mushroom variety, Perforated variety, or OEM by drawing or sample

Colour

Regularly black, red, blue, yellow for rubber material, for silicone, any pantone hues are available 

Load Capacity

.02kg-25kg

Rapid Development

line

A. From drawing, new tool design to mold support and samples.

B. Prototype mold, usually in 7 days

C. Mass production mold, usually in 1~2 weeks.

RoHs

RoHs directive compliant green products

Positive aspects

Professional sales-team and technology-team, molding center, large-tech testing machine and so on


Good quality Manage:

FAQ:
Q1: Are you a trading business or a manufacturing facility ?
A1: We are a producer specialised in precision elements OEM, Machining components,  Plastic injection molding, Plastic elements, Silicone and rubber areas, Warmth sink, sheet metallic fabrication as well as Sub-assembly.

Q2: Do you take to manufacture the custom-made items based mostly on our layout?
A2: Indeed, we are a professional manufacturing facility with an knowledgeable engineering team, would like to offer the OEM support.

Q3: How can I get the quotation?
A3: We will provide you the quotation inside of 24 working hours soon after acquiring your comprehensive information. In get to quotation you faster and a lot more correct, make sure you provide us the adhering to information jointly with your inquiry:
1) CAD or 3D Drawings
two) Tolerance.
three) Material prerequisite
four) Area treatment method
5) Amount (for each order/for every thirty day period/yearly)
six) Any unique needs or specifications, such as packing, labels, shipping and delivery,and so forth.

This fall: Will my drawings be protected soon after sending to you?
A4: Sure, we will hold them properly and not launch to other people without having your permission.

Q5: How prolonged is the lead-time for a mildew and plastic areas, machining parts, sheet metallic fabrication?
A5: It all relies upon on the mould (parts) measurement and complexity.
Typically, the direct time is 18-twenty times for molds, 15-20 days for plastic parts. If the molds are extremely simple and not large, we can function out within 15 times.
The direct time for machining elements is close to 2-4 weeks.
For sheet metallic fabrication the guide time is around 3-5 weeks.

Q6: I have no 3D drawing, how need to I start the new project?
A6: You can offer us the sample or supply us the merchandise measurements and permit us know the in depth requirements, our engineers will help you to perform out the 3D drawing.

Q7: If you make poor quality merchandise, will you refund our fund?
A7: As a make a difference of fact, we will not likely just take a chance to do inadequate quality items. Meanwhile, we manufacture great-high quality items until your pleasure.

Q8: Is it possible to know how are my goods going on with out visiting your manufacturing unit?
A8: We will offer you a comprehensive creation schedule and send out weekly stories with electronic pictures and films which display the machining or the plastic injection progress.

 

Q9: Packing & Shipping and delivery:

1.Packing Detail: Every item packed with plastic preservative, EPE, foam plastic bag, Carton outside, wooden circumstance or iron case or as for every the customer’s particular requirement. Apart from, the custom package deal requires a week to prepare in advance.

2.Shipping Element: the fast International Shipping and delivery time normally takes 3 ~5 doing work times by DHL/UPS/FedEx, slow transport time will take 7~ 8 working days by DHL/UPS/FedEx/TNT, and so on

Remark: The products and images showed over are only to existing the scope of our producing types. We‘re pleased to appraise if we could custom made the areas in accordance to your drawings or samples following receiving them.

Ship us an e mail now if any inquiry!
 

US $0.9
/ Piece
|
1 Piece

(Min. Order)

###

Plastic Type: Thermosoftening Plastic
Plastic Form: Dispersoid
Molding Method: Injection Molding
Shipping Ways: DHL/UPS/FedEx/TNT or Your Shipping Account
Sample Production Time: Usually 5~10 Work Days
More Finish Provided: Treatment/Tumbling/Mirror Polish etc.

###

Samples:
US$ 1/Piece
1 Piece(Min.Order)

|
Request Sample

###

Customization:

###

Material type Abbr Description and typical applications
Acrylonitrile Butadiene Styrene ABS Opaque & tough / Phones & computers
Polypropylene PP Opaque & tough / Beer crates
Polystyrene PS Clear & Brittle / Toys & model kits
Polystyrene High Impact HIPS Opaque & tough / Toys & model kits
Acetyl POM Natural & very tough / Gears & bearings
Polycarbonate PC

Clear and very tough / Street lamp covers & safety 

helmets

Plasticized Polyvinylchloride PVC Opaque & flexible / Shoe soles & electrical insulation
Polyamide 6 PA6

Opaque & very tough / Bushes, bearings & curtain 

fittings

Polyamide 6.6 PA6.6 Opaque, tough and rigid / Housings & handles
Polyamide 12 PA12 Opaque tough & rigid / Air filters & spectacle frames
Polyethylene low density LDPE Waxy tough & flexible / Kitchenware & sealing lids
Polyethylene high density HDPE Waxy tough & stiff / Crates & chair seats
Thermoplastic Elastomer TPE  Flexible & tough / Seals & washers
Thermoplastic Rubber TPR Flexible & tough / Seals & washers
Acrylic PMMA Transparent & Brittle / Lenses & car lights &Display
Polystyrene General Purpose GPPS Clear & brittle / Ball point pen barrels
Polyphenylene Sulphide PPS Brown & very strong / Guides & bearings
Polyphenylene Oxide PPO Tough & stable / Electrical parts
Rigid Polyvinyl Chloride UPVC Opaque & tough / Fascia fittings & guttering
Styrene Acrylonitrile SAN / AS Clear & brittle / Table & picnic ware
Polyether Sulphone PES Clear & tough / Metal replacement parts
Cellulose Acetate CA Clear & tough / Spectacle frames

###

Material

NBR, SBR, HNBR, EPDM, FKM, MVQ, FMVQ, CR, NR, SILICONE, etc.

according to the customers’ requirements

Size

Dia: 20mm to 50mm

Type

Mushroom type, Perforated type, or OEM by drawing or sample

Color

Regularly black, red, blue, yellow for rubber material, for silicone, any pantone colors are available 

Load Capacity

0.02kg-25kg

Rapid Development

line

A. From drawing, new tool design to mold support and samples.

B. Prototype mold, usually in 7 days;

C. Mass production mold, usually in 1~2 weeks.

RoHs

RoHs directive compliant green products

Advantages

Professional sales-team and technology-team, molding center, high-tech testing machine and so on

US $0.9
/ Piece
|
1 Piece

(Min. Order)

###

Plastic Type: Thermosoftening Plastic
Plastic Form: Dispersoid
Molding Method: Injection Molding
Shipping Ways: DHL/UPS/FedEx/TNT or Your Shipping Account
Sample Production Time: Usually 5~10 Work Days
More Finish Provided: Treatment/Tumbling/Mirror Polish etc.

###

Samples:
US$ 1/Piece
1 Piece(Min.Order)

|
Request Sample

###

Customization:

###

Material type Abbr Description and typical applications
Acrylonitrile Butadiene Styrene ABS Opaque & tough / Phones & computers
Polypropylene PP Opaque & tough / Beer crates
Polystyrene PS Clear & Brittle / Toys & model kits
Polystyrene High Impact HIPS Opaque & tough / Toys & model kits
Acetyl POM Natural & very tough / Gears & bearings
Polycarbonate PC

Clear and very tough / Street lamp covers & safety 

helmets

Plasticized Polyvinylchloride PVC Opaque & flexible / Shoe soles & electrical insulation
Polyamide 6 PA6

Opaque & very tough / Bushes, bearings & curtain 

fittings

Polyamide 6.6 PA6.6 Opaque, tough and rigid / Housings & handles
Polyamide 12 PA12 Opaque tough & rigid / Air filters & spectacle frames
Polyethylene low density LDPE Waxy tough & flexible / Kitchenware & sealing lids
Polyethylene high density HDPE Waxy tough & stiff / Crates & chair seats
Thermoplastic Elastomer TPE  Flexible & tough / Seals & washers
Thermoplastic Rubber TPR Flexible & tough / Seals & washers
Acrylic PMMA Transparent & Brittle / Lenses & car lights &Display
Polystyrene General Purpose GPPS Clear & brittle / Ball point pen barrels
Polyphenylene Sulphide PPS Brown & very strong / Guides & bearings
Polyphenylene Oxide PPO Tough & stable / Electrical parts
Rigid Polyvinyl Chloride UPVC Opaque & tough / Fascia fittings & guttering
Styrene Acrylonitrile SAN / AS Clear & brittle / Table & picnic ware
Polyether Sulphone PES Clear & tough / Metal replacement parts
Cellulose Acetate CA Clear & tough / Spectacle frames

###

Material

NBR, SBR, HNBR, EPDM, FKM, MVQ, FMVQ, CR, NR, SILICONE, etc.

according to the customers’ requirements

Size

Dia: 20mm to 50mm

Type

Mushroom type, Perforated type, or OEM by drawing or sample

Color

Regularly black, red, blue, yellow for rubber material, for silicone, any pantone colors are available 

Load Capacity

0.02kg-25kg

Rapid Development

line

A. From drawing, new tool design to mold support and samples.

B. Prototype mold, usually in 7 days;

C. Mass production mold, usually in 1~2 weeks.

RoHs

RoHs directive compliant green products

Advantages

Professional sales-team and technology-team, molding center, high-tech testing machine and so on

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

Injection molded parttDesigning 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 Custom Molded Plastic Parts     injection moulding of partsChina Custom Molded Plastic Parts     injection moulding of parts
editor by czh 2023-01-29