China Thermoforming Product Molding Household Appliance Accessories Plastic Injection Molded Part standard tolerances for injection molded parts

Model Number: ACE pieces / monthly
Packaging:: Standard or as you request
Injection molding process:: Horizontal Injection
Surface request:: EDM or High Polish
Packaging Details: Our standard packaging for plastic injection parts we use PP bag plus cardboard boxes or as per customer requirements. Our standard packaging for plastic injection mold is wooden pallets or wooden cases.
Port: HangZhou

Products Description

Product Namehigh quality mold componentsInjection SystemHot runner /Cold Runner
Surface RequirementTexture EDM SPI Chrome CoatingCavitationSingle /Mutil Cavites
Plastic Part Resinthermoplastic/ThermosettingEjector SystemPin/air Valve/Stripper plate
Tolerance RequestUP to (±0.005mm)Steel StandardASSAB/FINKL/BOHLER/ Groditz/Buderus
Production QuantityUp to 1 miliionCoolingBaffles/Sprin Piple/3D printing water line
Part Size RangeUp to 1500mmStandard Delivery40 days or 5 weeks
Multi InjectionSingle/Double/multi colorStandard Parts/CylindersDME/HASCO/PROGRESSIVE/MISUMI/Parker/HP/Merkle
Design SoftwareData exchange: UG, PRO/E, SOLIDWORKS, CAITA, CAD, STP, X_T, IGS, PRT, DWG, DXFDesign CapabilityDFM,Mould flow analysis,Product optimization, Full 2D & 3D CZPT design,Reverse engineering,Collaborative design with customer’sidea
Quality AssuranceDesign Control, Steel Hardness Inspection Report, Steel Dimension Control Report, Mold Core and Cavity Dimension Inspection ReportDocuments / Reports ProvidedFully drawing,Weekly Processing Report, Steel Dimension report, Processing Report,Sample Dimension Report.
Auto parts categoryACE has been a key supplier to some of the most well known automotive OEMs ACE’s infrastructure of complete resources allows ourclients To focus on what’s most important to the automotive market-zero defects, and lowering overall costs.We are CZPT to built the automotive parts as follows:* Seat back* Deckilid trim* Inside Door Handle* Door Trim* Engine parts* Roof Parts* Lighting parts* Mud Guard parts* Air bags * Air conditioner Components. Other Products Our website lists some of our successful products, but please note that this is just 1 example on behalf of our products and services, so if you can’t see the products you want, please contact us immediately. We warmly welcome customers all over the world and are looking forward to establishing a steady and long-term business relationship with you . Our Services Title goes here.ACE Molding Group is a privately owned company specializing in the design and manufacture of high-quality plastic injection molds and injection molded parts for the international market and Have been engaged in the manufacturing sector since our inception.Is an OEM/ODM factory, customized your products to meet your needs is our advantage, We are managed by a group of professionals with many years of experience in mold design, molding technology and Quality control. We have developed an excellent understanding of the technical and quality requirements needed. We build tools to fit your expectations and match your quality standards.Our team of CAD designers will ensure that your imagination is incorporated into the actual product!If you want to create prototype or mass-produce in a very specific project, we can help you achieve your vision!Our products include : *Custom Plastic Injection Parts *Multi-cavity plastic parts *High Precision Molds *Insert & over molding*Double Short Molding *Unscrewing Molding *Gas-assisted Molding*Die Casting Molding *Prototype plastic parts and Low cycle plastic parts molding *Gas Assist molding *Elastomeric molding *IML & IMD part production *Thin wall plastic molding *High temperature molding*Foam Injection molding Why Choose Us 1. We have our own design and development team and factory, with more than 14 years of product production experience. Familiar with and good at developing business with overseas market.2. We can provide OEM/ODM services for all kinds of customers, and our professional support team will provide services for customers 24 hours a day.3. We have a very strong quality control system to ensure the best quality of our products, the best service and competitive price.4. Samples are always available for quality inspection and can be sent to you very quickly.5. Design ability: design according to customer requirements.6. We deliver goods on time and cooperate with customers sincerely. Inspection MethodWe will provide fully dimension checking before mold test.Make sure all components and mold dimension under correct tolerance. if customer needed, we can provide all these documentation for their reference. How To Order Kindly contact or email us your inquiries or RFQs. One of our sales team would contact you asap and offer professional consultation on all your plastic molding needs and provide the best price that is suitable to your requirements. Company Profile We are managed by a group of professionals with many years of experience in CZPT design, molding technology andquality control. Our clients are CZPT to communicate with us freely in English, Japanese ,German and US, Since we buildexclusively for the international market, mainly Europe, Japan North & South America, we have developed an excellentunderstanding of the technical and quality requirements needed. Capability – Equipment listCapacity ⚫More than 350 sets/year ⚫Maximum mold weight: 20 tons ⚫Maximum mold size: 1600mm*900mm*900mm Tolerance ⚫Mold: 0.01mm⚫Plastic part: 0.015mm
DepartmentMajor EquipmentNameSpecificationUnitTotal
Mold DepartmentCNC Machining CenterROEDERS RFM-800 Precision Centre Made in Germany36000/min214
CNC Machining CenterROEDERS RXP-500 Precision Centre with Renishaw online inspection Made in Germany50000/min2
CNC Machining CenterROEDERS RFM-600 Precision Centre with Renishaw online inspection Made in Germany42000/min2
CNC Machining CenterROEDERS RFM-600 Precision Centre Made in Germany42000/min2
CNC Machining CenterKT-600II Precision Centre24000/min4
CNC Machining CenterShenghong ZheJiang 85002
Electric Discharge Machine(EDM)SODICK EDM MachineAD30L411
WintopDE -6502
Milling MachineMilling machine16SS89
MazakMilling machineQTN1501
Cutting MachineCutting machineMV1200S33
Drill Press MachineDrill Press machineZ3032X1011
Molding DepartmentPlastic injection machineInjection machineFANUC-CX2501034
Kiaming 98T2
Kaiming 168 T2
HaiTian 200T8
ZheJiang 250T1
Toshiba 220T1
Kaiming 400T2
Kaiming 450T1
HaiTian 650T2
HaiTian 1300T1
Quality DepartmentInspection machine2.5D Video Measuring SystemVMS-2015F12
Alberlink CMMHR-150A22
organlzationCurrently possess a strong team with 140 people, including ● 32 Design & Engineers ( ≥ 10 years’ experience) ● 12 CNC programmers● 8 project engineers● 6 Sales people● 5 full-time quality inspection personnel ● 4 people in logistic team ● 60 tool makers●13 Office worker WorkshopOur factory is under ISO standards & certification.This insures productivity and total control on quality. Packaging &ShippingOur standard packaging for plastic injection parts we use PP bag plus cardboard boxes or as per customer requirements. Our standard packaging for plastic injection mold is wooden pallets or wooden cases. FAQ Q: What services do you provide?A: We manufacture plastic injection molds and produce plastic injection parts for sampling and bulk production.We also provide mold design services. Q: How can I contact you?A: You can send us an inquiry via email, Alibaba,Alibaba TradeManager, WhatsApp, Skype or Wechat. We will reply to you within 24 hours. Q: How can I get a quotation?A:After receving your RFQ, we will reply to you within 2 hours. In your RFQ, please provide the following information and data in order for us to send you competitive pricing based on your requirements.a) 2D part drawings in PDF or JPG format & 3D part drawings in UG, PRO/E, SOLIDWORKS, CATIA, CAD, STP, X_T, IGS, PRT, DWG, or DXFb) Resin information (Datasheet)c) Annual quantity requirement for parts Q: What shall we do if we don’t have part drawings?A: You can send us your plastic part samples or photos with dimensions and we could provide you our technical solutions. We will create .Q: Can we get some samples before mass production?A: Yes, we will send you samples for confirmation before start of mass production. Q: Due to time difference with China and overseas, how can I get information about my order progress?A: Every week we send weekly production progress report with digital pictures and videos that shows the production progress. Q: What is your leadtime?A: Our standard leadtime for mold production is 4 weeks.For plastic parts is 15-20 days depending on the quantity. Q: What is your payment term?A: 50% as payment deposit, 50% balance will be paid before shipping. For small amount, we accept Paypal, Paypal commission will be added to the order. For big amount, T/T is preferred Q: How do you deliver the goods?A: We have our own logistics department that could provide shipping costs via Sea or Air freight, Incoterms EXW, FOB, DDP, DDU etc. Or we can work with your appointed shipping forwarder. Q: How can I guarantee our quality?A: During mold making, we do material and part inspection. During part production, we do 100% full quality inspectionbefore packaging and reject every parts that is not according to our quality standard or the quality approved by our client.

Design Considerations for Injection Molded Parts

There are many factors to consider when designing a component for injection molding. These include design factors, materials, overhangs, and process. Understanding these factors will make it easier to choose the right part for the application. In this article, we’ll go over several of the most common design considerations.

Design factors

Injection molded parttTo get the best results from your injection molded parts, you must ensure that they meet certain design factors. These factors can help you achieve consistent parts and reduce cost. These guidelines can also help you to avoid common defects. One of the most common defects is warping, which is caused by the unintended warping of the part as it cools.
When designing injection molded parts, the draft angle is critical. Increasing the draft angle allows the part to emerge cleanly from the mold and reduces stress concentration. This can improve the part’s function and speed up the production process. In addition, it ensures a uniform surface finish. Incorrect draft angles can result in parts that are not functional and can cost you money. If your product team doesn’t pay attention to these design factors, they could end up destroying expensive molds and producing a high number of rejects.
Ribs are another design factor that should be taken into consideration. Rib height should be less than three times the thickness of the part’s wall. This will prevent sink marks and minimize the chances of the ribs sticking inside the mold.


There are many options when it comes to materials for injection molded parts. Choosing the right material will affect how well it performs in your particular application. If you need a large part to be flexible and sturdy, then a plastic with good flow properties will work best. Injection molded plastics come in a variety of different resins. Choose the one that best meets your application’s needs, considering its main functionality and the desired appearance. You may also want to choose a material that is UV resistant, heat resistant, flexible, and food safe.
Polymers that are suitable for injection molding include polycarbonate and polypropylene. These materials are flexible and strong, and can be used to create parts with high-level details. These materials are also lightweight and inexpensive. Despite being flexible, they are not suitable for high-stress applications.
During the molding process, the injected material must be cooled, otherwise it will expand again. This is why you need to keep the temperature of the mould at 80 degrees Celsius or less.


Injection molding is the process of creating plastic parts. The plastic is melted in a mold and then forced to cool. It then solidifies into the desired shape. During the cooling process, the plastic can shrink, so it is important to pack the material tightly in the mold to prevent visible shrinkage. When the mold is completed, it cannot be opened until the required cooling time has passed. This time can be estimated based on the thermodynamic properties of plastic and the maximum wall thickness of the part.
The mold must be precisely designed and tested. The process can be repeated many times, which makes it ideal for mass production. It is also one of the fastest ways to scale production. The more parts a mold can produce, the lower its cost per piece. This is one of the benefits of injection molding.
Injection molding parts are used for many industries, including appliances, electronics, packaging, and medical devices. They can be made to have complicated shapes.


Injection molded parttOverhangs are areas of extra material that surround the surface of an injection molded part. This extra material is typically made of inexpensive material that is edged or glued on the part’s surface. The overhang material can be easily separated from the blank using a simple cutting process.
The amount of material needed for an overhang is dependent on the shape of the part and the amount of surface area. Generally, an overhang is less than 15 percent of the cost of the part. Usually, the material used should be able to fulfill the overhang’s function and differentiate it from the material in the form flachen area.
Overhangs on injection molded parts should be avoided because they may cause the design to become unstable. To avoid this problem, consider designing your part so that the sides and edges are parallel to one another. This will help ensure that the part will be free of undercuts and overhangs.
Overhangs on injection molded parts can be avoided by ensuring that the parts are designed with tolerances in mind. For example, an overhang in an injection molded part can cause a mold to have an overhang that is too small for the machine. This can cause problems in the manufacturing process, and it can result in a costly mold.


Injection molding costs can vary depending on the complexity of the part, the size and the type of plastic. Parts with complex geometries may require additional design work and tooling. Larger parts can also cost more than small ones. The amount of time spent designing and producing them is also important.
To reduce the cost of injection molding, a manufacturer must consider two major factors: tooling and the material used. The plastic used for injection molding has several different properties, which will impact the part price. For instance, plastics with a lot of glass fibers will reduce the amount of time necessary to repair the mold. Another factor to consider is the thermal properties of the material.
The next major factor in the cost of injection molded parts is the material of the injection mold. While most of these molds are made of steel, the type and grade of steel used is important. Injection molds are also required to have nearly wear-free interior cavities. This is necessary to maintain tight tolerances.
Another factor that contributes to the cost of injection molded parts is the cost of bulk material. This material costs money and requires expensive electricity to process. Typically, the more parts you produce, the lower the cost per pound. Storage of bulk material is also a significant expense. Therefore, a quicker cycle time will reduce storage costs.


While manufacturing involves some degree of variation, the variation should be within acceptable limits. This is essential if you want to produce high-quality, dimensionally stable parts. A reliable manufacturing process involves precise control over mold tooling and part design. It also requires repeatability in both quality and production processes.
A reliable injection molding process also focuses on detecting defects early in the production process. Invisible hazards, such as air pockets, mold materials compromised by overheating, and more, can lead to failure. These defects will most likely not be discovered by simple visual inspection and may not come to light until after warranty claims are filed from the field. By finding the defects in the early stages, manufacturers can maximize productivity and reduce costs by minimizing the number of replacement parts needed.
The process of building a custom mould for plastic components is highly skilled. A perfect mould will eliminate potential defects and ensure that the production process is reliable. Traditionally, this process relied on trial and error, which added time and money to the production process.

Design for manufacturability

Injection molded parttWhen designing injection molded parts, it is imperative to keep in mind their manufacturability. Injection molding allows for complex geometries and multiple functions to be combined into a single part. For example, a hinged part can have a single mold that can produce two different halves. This also decreases the overall volume of the part.
Injection molded parts do not typically undergo post-processing. However, the mold itself can be finished to various degrees. If the mold is rough, it can cause friction during the ejection process and require a larger draft angle. Detailed finishing procedures are outlined by the Society of Plastics Industry.
The process of designing injection molds is very exacting. Any errors in the mold design can lead to out-of-spec parts and costly repair. Therefore, the process of Design for Manufacturability (DFM) validation is a key step early in the injection molding process. Fictiv’s DFM feedback process can identify design challenges and provide early feedback to minimize lead times and improve quality.
The surface of an injection molded part can develop sink marks, which occur when the material has not fully solidified when it is ejected from the mold. Parts with thick walls or ribs are more prone to sinking. Another common defect in plastic injection molding is drag marks, which occur when walls scrape against one another during ejection. In addition to sink marks, parts with holes or exposed edges can form knit lines.
China Thermoforming Product Molding Household Appliance Accessories Plastic Injection Molded Part     standard tolerances for injection molded partsChina Thermoforming Product Molding Household Appliance Accessories Plastic Injection Molded Part     standard tolerances for injection molded parts
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