• Custom Protoyping Parts in Product Design

    The importance of custom protoyping parts in product design What is prototyping part A prototype is physical mock-up or sample of a digitally developed product made to validate a concept or manufacturing process. Custom Protoyping Parts are usually used for marketing evaluation/study , engineering analysis, to evaluate product function/manufacturability,and to verify CAD model or print accuracy. Thus prototype parts manufacturing is the foundation of design during the process of product development. With a physical mock-up product designers and investors can feel and see the outcome of; understanding its functionality and improving the product based on feedback. Why custom protoyping parts important in product design As mentioned above, product designer or mechanical developer could the describe the function, size, shape, feel and look of a part with the use of a prototype in a direct way. There are several crucial reasons why designers need their product’s prototype made during the design process. Minimize design error   If we make any design changes after a product is almost complete, this may…

    Technical Study, 未分类 July 26, 2022
  • How to improve mold venting

            Every mold maker knows that proper mold venting is crucial for manufacturing quality plastic injection molded parts. During the injection molding process, the air existing in the mold needs to be released, otherwise the melt will compress and trap that air in the cavity, causing burnings,short shots, bubbles, welding lines or cracks in the molded plastic part. How do you vent the mold? There are a few nonstandard venting solutions that can be added to cavity venting to improve mold performance as below: Open vent groove directly Usually the vent groove, or vent channel are machined on the flat surface in either peripheral or direct way. There are primary and secondary venting channels.          Use clearance of ejector pins and ejector sleeve.       There is clearance of around 0.01-0.02mm between ejector pins & ejector sleeves and core/cavity. This could be used…

    Mold making May 1, 2022
  • The Importance of Uniform Wall Thickness in Plastic Part Design

    Want to know how to optimize your plastic part design for manufacturing with uniform wall thickness?   Wall thickness is one of the most important rules of injection molding part design that you should treat it as an essential part of your overall part design This is especially important as wall thickness is considered as one of the most importnat factors that determin the success or failure of the plastic product. In this article we will explore  the importance of maintaining uniform wall thickness to get your project going successfully Why maintain uniform wall thickness?   Metal parts are often designed with thick walls, while plastic products should ideally maintain uniform wall thickness for uniform flow and less shrinkage as illustrated as below. For plastic parts, a gradual change in wall thickness or uniform wall thickness is recommended to reduce stress concentration and other potential issues. Why do we attach so much attention…

    Mold design August 22, 2021
  • Analysis on the market of automotive plastic injection mold in China 2021

    China’s automobile production and sales volume has ranked first in the world for 11 consecutive years. China ‘s market share in the global automobile manufacturing industry had increased from 13.78% in 2008 to 28.23% in 2019. Affected by the COVID-19 epidemic, China’ s automobile production was affected to some extent between 2019 and 2020. Statistic data shows that in 2019 China’s automobile output was 255.3 million units down 8% year on year, and from January to June 2020 was 99.7 million vehicles, down 16.5% year on year. The continuous development of the automobile industry has driven the growth of the auto mold market demand.   Update new model will bring new market opportunity With the intensified competition in the automobile industry, the OEMs will choose to upgrade new models to attract consumers and maintain their brand influence among the consumers.  Therefore, auto makers in many cases have chopped the time it takes to develop a new vehicle from previous 4 years to 1-3 years now….

    Industry news July 7, 2021
  • Tooling Design Two-stage ejection Mechanism

    What is double ejection? Some complex plastic parts often have undercuts that are too deep to be ejected directly by neither lifters nor slides.  After ejection, the molding parts may still rest on top of the ejector pins,so another stage of ejection is needed to clear the parts. This typical solution is called double ejection system which  s can be a mechanical system driven or supplemented by air or hydraulics.   Second ejection mechanism: Add an extra set of ejector plate. The first set of ejector plate that is attached to the A plate(referred as Ejector Assembly A) is to complete the first stage of ejection while the ejector plate attached to B plate (referred as Ejector Assembly B)  is to complete the second stage of ejection as shown in Figure1. Figure 1 Add series of springs or nylon plugs to make sure that both ejector assembly A and B are attached…

    Mold design June 23, 2021
  • Sourcing Plastic injection molds from China 101, Part 1: characteristics of tooling companies from China

    Are you trying to find a plastic injection mold manufacturer in China who is well-suited to your needs and can also deliver on their promises?And if you are new to sourcing from China, the first thing you should do is to overview the internal characteristics of tooling companies for better understanding and support of proposed business models. Here are the questions you should ask before asking quote from a tooling shop in China. Is the tooling shops foreign invested or Taiwan/HK Invested or Private ? This is an important question as the type of the company may impact your mold cost greatly. In general, there are 3 types of mold companies and each has their advantage and disadvantages. A. Starting from 1990s, many US and European plastic tooling companies started building their own facility in China according to their industry standard. In early stage, larger plastic factories were mostly founded by entrepreneurs from Western countries. In terms…

  • How to Find a Good Mold Maker in China During COVID-19?

    As COVID-19 pandemic continues to impact every part of our lives, the usual routes of travelling to China and visiting tooling shops are not accessible during this time of social distancing..Meanwhile, the number of mold makers in China grows exponentially every year. Now you can use the internet to search for the right molding company,but the stream of websites will be overwhelming for you to narrow down. How can you separate the reliable ones from those who are not up to the standard? These are the things you need to consider when you’re looking for a good mold maker in China. Check if mold makers offerPrototyping Services A good mold maker respects your idea and turns it into reality. Request prototypes to test your product’s feasibility or if you just want to see how the part will look. Prototyping is a way of making a finished product without building a tool by means of CNC machining ,3D printing or…

    Mold making May 31, 2021
  • Why Use Foam Injection Molding ?

    China has started ban of the production and sale of cars using traditional fuels. At present, Nissan, BAIC, Volvo, Changan Automobile and other car companies have announced their schedule of phasing out fuel vehicles and move towards of development of new electric vehicle.  However, subjected to the mileage of electric vehicles, lightweight issue has become one of the tops ones that needs to be addressed urgently by vehicle manufacturers. Therefore, Micro-foam injection molding technology technology is more and more widely used.     What is Foam Injection Molding? Injection Foam Molding is a low-pressure process where molten resin is injected with nitrogen gas or a chemical blowing agent. The resin is then shot into the cavity, without overfilling or packing it out. The blowing agent or gas then expands to push the molten resin to the extremities of the cavities. As the part cools, the internal pressure of the foaming action takes up the internal shrinkage and reduces sinks over ribs or heavy cross-sections.  …

  • Complex auto parts mold

    This is a cut in solid injection mold for auto part mold and the materiaL is PA66+30%GF.This big guy have 4 big slides and one smail inside the big one. HSmold can guarantee a mold life of at least 50,000 PCS. Our factory is equipped with various size of injection machine ranging in tonnage from 55 tons to 610 tons and shot capacities ranging from 1.3 oz to 80 oz. We can meet any of your custom injection molding needs using different types of plastics including ABS, PC, PP, Nylong and so on. We produce custom injection molded finished products and parts for direct shipment to oversea end customers  We produce standard and custom plastic products for various industries including Automotive, House hold application, Medical and more.  HS MOLD is a manufacturer of thermoplastic injection molding services including new product development, plastic mold design, mold making, custom injection molding, final product assembly, mold making, and prototype…

    Mold making April 27, 2021
  • How to Make PVC Pipe Fitting Mould

    The PVC Pipe Fitting Elbow are mainly used  as structural parts in automotive and home appliances, such as  Elbow Auto Parts , Vacuum Cleaner Hose Elbow Handle etc. Relatively speaking, vacuum cleaner products are second only to OA office supplies and auto parts in complexity. The following is a set of elbow mold that we have designed and made in house. HS Mold is a leading manufacturer for PVC pipe fitting mold, pipe fitting mould, pvc ball valve mold and pvc pipe fitting mold manufacturers ,pvc plastic pipe fitting mold, pvc pipe fitting injection molding, PP-R molds in house in Dongguan.

    Mold making April 19, 2021
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