Product Description
1-Start from part design analysis
2-Mold design drawing and DFM report available so you can see how is the mold going to be before mold making
3-If product is complex,moldflow report will be present as well
4-In house mold making shop ensure you mold quality under well control.
5-Normally it takes 15-25 working days to make mold,precise time depends on part design
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Product Description |
ODM plastic injection molding |
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Plastic Materials: |
PS, ABS, PP, PVC, PMMA, PBT, PC, POM, PA66, PA6, PBT+GF, PC/ABS, PEEK, HDPE, TPU, PET, PPO,…etc. |
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Standard: |
ISO9001:2008 |
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Other materials: |
Rubber, Slilconce rubber, LSR,Aluminum, Zinc,Copper…Metal…etc. |
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Quality: |
RoSH and SGS standard |
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Feature: |
Non marking and Non flash |
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Size: |
According to your 2D, 3D Drawing |
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Color,Quantity,Unit price,Tooling cost,Tooling size: |
To be discussed |
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Package: |
Standard exported Wooden box packed, Fumigation process(upon required) |
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Mold Building Lead Time: |
T1, 15-25 Working days, Part measurement report (upon required). |
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Export Country: |
Europe, Japan, America, Australian, UK, Canada, France, Germany, Italy…etc.: |
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Experience: |
13 years experience in plastic injection mold making and plastic prouducts produce. |
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To be discussed |
In-Mold Decoration, Injection Mould, Plastic Mold, Overmould, 2K Mould, Die-Casting Mould, Thermoset Mold, Stack Mold, Interchangeable Mold,Collapsible Core Mold, Die Sets, Compression Mold, Cold Runner System LSR Mold,…etc. |
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Mould Base: |
Hasco Standard, European Standard, World Standard |
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Mould Base Material: |
LKM, FUTA, HASCO, DME,…etc. Or as per Customer’s Requirment. |
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Surface Finish: |
Texture(MT standard), High gloss polishing |
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Cavity/Core Steel: |
P20, 2311, H13, 2344, Starvax 420, 236, AdC3, S136, 2312, 2379, 2316, 2083, Nak80, 2767 …etc. |
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Hot/ Cold Runner |
HUSKY, INCOE, YDDO, HASCO, DME, MoldMaster, Masterflow, Mastip, ZheJiang made brand…etc. |
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Mould Life: |
5,000 to 1,000,000 Shots. (According to your working environment.) |
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Design & Program Softwares: |
CAD, CAM, CAE, Pro-E, UG, Soild works, Moldflow, CATIA….etc. |
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Equipments: |
High speed CNC, Standard CNC, EDM, Wire Cutting, WEDM, Grinder, Plastic Injection Molding Machine for trial out mold from 50-3000T available. |
How to order
Company Profile
CEMAL Enginnering , professional plastic mold manufacturer in China, we focus on design and manufacturing plastic molds for
the Automotive, Home Appliances and other sectors.
Excited and ready to help support your project from the early stages of part development and tool design to fabrication and parts production via professional engineering, manufacturing, and project management, we are confident that our service level is second to none.
When you choose CEMAL- whether it’s for a single part, a small run or a multi-year contract – you’ll get the same attention to detail, the same problem-solving approach, the same quality solution. That’s the CEMAL promise.
Making our customers satisfying, Keeping our customer successful is the goal of CEMAL.
Why Choose CEMAL
Are you plHangZhou to get a supply of custom injection molds and probably do not have an idea of which Company is likely to offer effective products? If yes, then this article will be a perfect guide for you as it tries to highlight various reasons as to why you should choose Loxin mold as your supplier in injection molds. There are thousands of injection mold manufactures in China and therefore, determining the ideal company to partner with can quite be difficult. Not all factories offer genuine products or even provide the various services at affordable prices and there is thus the need to be careful on the company that you settle for. CEMAL mold has been in existence for more than 10 years now and has proved to be the leading producer of the custom injection mold through the exemplary services to the various customers. It would thus be a wise choice to consider us as your partner in supply of mold related products. Below are some of the reasons as to why you should consider our company
All products are availed at affordable prices
At CEMAL mold, all manufacturing process is done within the company and nothing is ordered from other companies and hence ensuring that all products are traded at the factory price to the various customers. We do not supply our products through any middle persons but rather directly to our clients. Brokers usually charge higher prices on the products in order to get their profits and therefore that is why we avail all products directly to the users to avoid such costs and hence avail the products at affordable prices to our clients.
Highly experienced in production of mold
As mentioned earlier on, CEMAL mold has been in operation for more than 10 years and therefore has efficient knowledge in production of molds and the related services to out esteemed customers. We have transacted with various customers even in the European countries and have always given a positive feedback on our services. If you still don’t believe in us then you can refer from your country on the kind of services offered. We can even provide contacts of the various clients served if they allow us to do so.
Quality services are offered
Our engineers are highly skilled and you can be sure that they offer quality services that meet our customer’s satisfaction. Our main goal is to ensure that all clients are fully satisfied in the mold injection services offered and the company is always ready to even make any changes to meet the customer demands. Our managers are friendly and communicate directly to you if you need a supply of our products without involving any intermediaries. This is in contrast to other manufactures who hire sales ladies to promote the products as they pay them on a commission basis. This calls for more costs as the amount is later transferred to the price of the products
FAQ
1. Are you a trading company or a manufacturer?
We are a manufacturer as you can see our workshop as above.
2. What kind of trade terms can you do?
EX-WORKS,FOB,CIF,DDP DDU
3. What is your terms of payment?
50% Mold cost deposit,balance mold cost +50% production cost paid when samples confimed,Balance production cost paid against copy of B/L. We accept T/T
4. Do you support OEM ?
Yes, we can produce by technical drawings or samples.
5. How about your delivery time?
Generally, it take 20-30 working days ( 15-20days make mold, 5-10 days for mass production).
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| Warranty: | 2 Years |
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| Shaping Mode: | Injection Mould |
| Surface Finish Process: | Polishing |
| Mould Cavity: | Multi Cavity |
| Plastic Material: | ABS |
| Process Combination Type: | Single-Process Mode |
| Samples: |
US$ 5/Piece
1 Piece(Min.Order) | |
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| Customization: |
Available
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Can you explain the role of temperature and pressure in injection molding quality control?
Temperature and pressure are two critical parameters in injection molding that significantly impact the quality control of the process. Let’s explore their roles in more detail:
Temperature:
The temperature in injection molding plays several important roles in ensuring quality control:
1. Material Flow and Fill:
The temperature of the molten plastic material affects its viscosity, or flowability. Higher temperatures reduce the material’s viscosity, allowing it to flow more easily into the mold cavities during the injection phase. Proper temperature control ensures optimal material flow and fill, preventing issues such as short shots, flow marks, or incomplete part filling. Temperature control also helps ensure consistent material properties and dimensional accuracy in the final parts.
2. Melting and Homogenization:
The temperature must be carefully controlled during the melting process to ensure complete melting and homogenization of the plastic material. Insufficient melting can result in unmelted particles or inconsistent material properties, leading to defects in the molded parts. Proper temperature control during the melting phase ensures uniform melting and mixing of additives, enhancing material homogeneity and the overall quality of the molded parts.
3. Cooling and Solidification:
After the molten plastic is injected into the mold, temperature control is crucial during the cooling and solidification phase. Proper cooling rates and uniform cooling help prevent issues such as warping, shrinkage, or part distortion. Controlling the temperature allows for consistent solidification throughout the part, ensuring dimensional stability and minimizing internal stresses. Temperature control also affects the part’s crystallinity and microstructure, which can impact its mechanical properties.
Pressure:
Pressure control is equally important in achieving quality control in injection molding:
1. Material Packing:
During the packing phase of injection molding, pressure is applied to the molten plastic material to compensate for shrinkage as it cools and solidifies. Proper pressure control ensures that the material is adequately packed into the mold cavities, minimizing voids, sinks, or part deformation. Insufficient packing pressure can lead to incomplete filling and poor part quality, while excessive pressure can cause excessive stress, part distortion, or flash.
2. Gate and Flow Control:
The pressure in injection molding influences the flow behavior of the material through the mold. The pressure at the gate, where the molten plastic enters the mold cavity, needs to be carefully controlled. The gate pressure affects the material’s flow rate, filling pattern, and packing efficiency. Optimal gate pressure ensures uniform flow and fill, preventing issues like flow lines, weld lines, or air traps that can compromise part quality.
3. Ejection and Part Release:
Pressure control is essential during the ejection phase to facilitate the easy removal of the molded part from the mold. Adequate ejection pressure helps overcome any adhesion or friction between the part and the mold surfaces, ensuring smooth and damage-free part release. Improper ejection pressure can result in part sticking, part deformation, or mold damage.
4. Process Monitoring and Feedback:
Monitoring and controlling the temperature and pressure parameters in real-time are crucial for quality control. Advanced injection molding machines are equipped with sensors and control systems that continuously monitor temperature and pressure. These systems provide feedback and allow for adjustments during the process to maintain optimum conditions and ensure consistent part quality.
Overall, temperature and pressure control in injection molding are vital for achieving quality control. Proper temperature control ensures optimal material flow, melting, homogenization, cooling, and solidification, while pressure control ensures proper material packing, gate and flow control, ejection, and part release. Monitoring and controlling these parameters throughout the injection molding process contribute to the production of high-quality parts with consistent dimensions, mechanical properties, and surface finish.
How do innovations and advancements in injection molding technology influence part design and production?
Innovations and advancements in injection molding technology have a significant influence on part design and production. These advancements introduce new capabilities, enhance process efficiency, improve part quality, and expand the range of applications for injection molded parts. Here’s a detailed explanation of how innovations and advancements in injection molding technology influence part design and production:
Design Freedom:
Advancements in injection molding technology have expanded the design freedom for part designers. With the introduction of advanced software tools, such as computer-aided design (CAD) and simulation software, designers can create complex geometries, intricate features, and highly optimized designs. The use of 3D modeling and simulation allows for the identification and resolution of potential design issues before manufacturing. This design freedom enables the production of innovative and highly functional parts that were previously challenging or impossible to manufacture using conventional techniques.
Improved Precision and Accuracy:
Innovations in injection molding technology have led to improved precision and accuracy in part production. High-precision molds, advanced control systems, and closed-loop feedback mechanisms ensure precise control over the molding process variables, such as temperature, pressure, and cooling. This level of control results in parts with tight tolerances, consistent dimensions, and improved surface finishes. Enhanced precision and accuracy enable the production of parts that meet strict quality requirements, fit seamlessly with other components, and perform reliably in their intended applications.
Material Advancements:
The development of new materials and material combinations specifically formulated for injection molding has expanded the range of properties available to part designers. Innovations in materials include high-performance engineering thermoplastics, bio-based polymers, reinforced composites, and specialty materials with unique properties. These advancements allow for the production of parts with enhanced mechanical strength, improved chemical resistance, superior heat resistance, and customized performance characteristics. Material advancements in injection molding technology enable the creation of parts that can withstand demanding operating conditions and meet the specific requirements of various industries.
Process Efficiency:
Innovations in injection molding technology have introduced process optimizations that improve efficiency and productivity. Advanced automation, robotics, and real-time monitoring systems enable faster cycle times, reduced scrap rates, and increased production throughput. Additionally, innovations like multi-cavity molds, hot-runner systems, and micro-injection molding techniques improve material utilization and reduce production costs. Increased process efficiency allows for the economical production of high-quality parts in larger quantities, meeting the demands of industries that require high-volume production.
Overmolding and Multi-Material Molding:
Advancements in injection molding technology have enabled the integration of multiple materials or components into a single part through overmolding or multi-material molding processes. Overmolding allows for the encapsulation of inserts, such as metal components or electronics, with a thermoplastic material in a single molding cycle. This enables the creation of parts with improved functionality, enhanced aesthetics, and simplified assembly. Multi-material molding techniques, such as co-injection molding or sequential injection molding, enable the production of parts with multiple colors, varying material properties, or complex material combinations. These capabilities expand the design possibilities and allow for the creation of innovative parts with unique features and performance characteristics.
Additive Manufacturing Integration:
The integration of additive manufacturing, commonly known as 3D printing, with injection molding technology has opened up new possibilities for part design and production. Additive manufacturing can be used to create complex mold geometries, conformal cooling channels, or custom inserts, which enhance part quality, reduce cycle times, and improve part performance. By combining additive manufacturing and injection molding, designers can explore new design concepts, produce rapid prototypes, and efficiently manufacture customized or low-volume production runs.
Sustainability and Eco-Friendly Solutions:
Advancements in injection molding technology have also focused on sustainability and eco-friendly solutions. This includes the development of biodegradable and compostable materials, recycling technologies for post-consumer and post-industrial waste, and energy-efficient molding processes. These advancements enable the production of environmentally friendly parts that contribute to reducing the carbon footprint and meeting sustainability goals.
Overall, innovations and advancements in injection molding technology have revolutionized part design and production. They have expanded design possibilities, improved precision and accuracy, introduced new materials, enhanced process efficiency, enabled overmolding and multi-material molding, integrated additive manufacturing, and promoted sustainability. These advancements empower part designers and manufacturers to create highly functional, complex, and customized parts that meet the demands of various industries and contribute to overall process efficiency and sustainability.
Can you describe the range of materials that can be used for injection molding?
Injection molding offers a wide range of materials that can be used to produce parts with diverse properties and characteristics. The choice of material depends on the specific requirements of the application, including mechanical properties, chemical resistance, thermal stability, transparency, and cost. Here’s a description of the range of materials commonly used for injection molding:
1. Thermoplastics:
Thermoplastics are the most commonly used materials in injection molding due to their versatility, ease of processing, and recyclability. Some commonly used thermoplastics include:
- Polypropylene (PP): PP is a lightweight and flexible thermoplastic with excellent chemical resistance and low cost. It is widely used in automotive parts, packaging, consumer products, and medical devices.
- Polyethylene (PE): PE is a versatile thermoplastic with excellent impact strength and chemical resistance. It is used in various applications, including packaging, pipes, automotive components, and toys.
- Polystyrene (PS): PS is a rigid and transparent thermoplastic with good dimensional stability. It is commonly used in packaging, consumer goods, and disposable products.
- Polycarbonate (PC): PC is a transparent and impact-resistant thermoplastic with high heat resistance. It finds applications in automotive parts, electronic components, and optical lenses.
- Acrylonitrile Butadiene Styrene (ABS): ABS is a versatile thermoplastic with a good balance of strength, impact resistance, and heat resistance. It is commonly used in automotive parts, electronic enclosures, and consumer products.
- Polyvinyl Chloride (PVC): PVC is a durable and flame-resistant thermoplastic with good chemical resistance. It is used in a wide range of applications, including construction, electrical insulation, and medical tubing.
- Polyethylene Terephthalate (PET): PET is a strong and lightweight thermoplastic with excellent clarity and barrier properties. It is commonly used in packaging, beverage bottles, and textile fibers.
2. Engineering Plastics:
Engineering plastics offer enhanced mechanical properties, heat resistance, and dimensional stability compared to commodity thermoplastics. Some commonly used engineering plastics in injection molding include:
- Polyamide (PA/Nylon): Nylon is a strong and durable engineering plastic with excellent wear resistance and low friction properties. It is used in automotive components, electrical connectors, and industrial applications.
- Polycarbonate (PC): PC, mentioned earlier, is also considered an engineering plastic due to its exceptional impact resistance and high-temperature performance.
- Polyoxymethylene (POM/Acetal): POM is a high-strength engineering plastic with low friction and excellent dimensional stability. It finds applications in gears, bearings, and precision mechanical components.
- Polyphenylene Sulfide (PPS): PPS is a high-performance engineering plastic with excellent chemical resistance and thermal stability. It is used in electrical and electronic components, automotive parts, and industrial applications.
- Polyetheretherketone (PEEK): PEEK is a high-performance engineering plastic with exceptional heat resistance, chemical resistance, and mechanical properties. It is commonly used in aerospace, medical, and industrial applications.
3. Thermosetting Plastics:
Thermosetting plastics undergo a chemical crosslinking process during molding, resulting in a rigid and heat-resistant material. Some commonly used thermosetting plastics in injection molding include:
- Epoxy: Epoxy resins offer excellent chemical resistance and mechanical properties. They are commonly used in electrical components, adhesives, and coatings.
- Phenolic: Phenolic resins are known for their excellent heat resistance and electrical insulation properties. They find applications in electrical switches, automotive parts, and consumer goods.
- Urea-formaldehyde (UF) and Melamine-formaldehyde (MF): UF and MF resins are used for molding electrical components, kitchenware, and decorative laminates.
4. Elastomers:
Elastomers, also known as rubber-like materials, are used to produce flexible and elastic parts. They provide excellent resilience, durability, and sealing properties. Some commonly used elastomers in injection molding include:
- Thermoplastic Elastomers (TPE): TPEs are a class of materials that combine the characteristics of rubber and plastic. They offer flexibility, good compression set, and ease of processing. TPEs find applications in automotive components, consumer products, and medical devices.
- Silicone: Silicone elastomers provide excellent heat resistance, electrical insulation, and biocompatibility. They are commonly used in medical devices, automotive seals, and household products.
- Styrene Butadiene Rubber (SBR): SBR is a synthetic elastomer with good abrasion resistance and low-temperature flexibility. It is used in tires, gaskets, and conveyor belts.
- Ethylene Propylene Diene Monomer (EPDM): EPDM is a durable elastomer with excellent weather resistance and chemical resistance. It finds applications in automotive seals, weatherstripping, and roofing membranes.
5. Composites:
Injection molding can also be used to produce parts made of composite materials, which combine two or more different types of materials to achieve specific properties. Commonly used composite materials in injection molding include:
- Glass-Fiber Reinforced Plastics (GFRP): GFRP combines glass fibers with thermoplastics or thermosetting resins to enhance mechanical strength, stiffness, and dimensional stability. It is used in automotive components, electrical enclosures, and sporting goods.
- Carbon-Fiber Reinforced Plastics (CFRP): CFRP combines carbon fibers with thermosetting resins to produce parts with exceptional strength, stiffness, and lightweight properties. It is commonly used in aerospace, automotive, and high-performance sports equipment.
- Metal-Filled Plastics: Metal-filled plastics incorporate metal particles or fibers into thermoplastics to achieve properties such as conductivity, electromagnetic shielding, or enhanced weight and feel. They are used in electrical connectors, automotive components, and consumer electronics.
These are just a few examples of the materials used in injection molding. There are numerous other specialized materials available, each with its own unique properties, such as flame retardancy, low friction, chemical resistance, or specific certifications for medical or food-contact applications. The selection of the material depends on the desired performance, cost considerations, and regulatory requirements of the specific application.
editor by CX 2024-02-14