• 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…

  • Auto injection mold manufacturers china

    Product name auto part mold Product Material PA66+30%GF Injection molding machine 600T Mold base P20 738H Runner ColdSprue Cavity 1*1 This is a cold sprue 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 300,000 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…

  • Top 10 Tooling engineer interview questions 

    Below is a list of general questions to ask during the interview of tooling engineer job in China.  What kind of questions you may meet in your area? What kind of answers do you have for below questions?Welcome for discussion! Answers to be followed!   What steel you use most frequently? What is the difference between NAK80 and S136? If cavity steel is H13, what material shall be used for lifter, why? What is the machining process of plastic injection mold? What causes flash in plastic injection molded parts? What causes void in molding plastic parts? How to solve part sticking to slide issue? What is the function of cooling? What are your biggest strengths? Why we hire you?

    Industry news February 3, 2020
  • Who is supporting Tesla Plan of Cutting Price of China-Built Cars in 2020?

    On January 7th, 2020, Tesla had already begun bulk delivery of the Chinese-made model 3 with the annoucement of around 32,000.00 yuan(6000$) price cut for the home-made model which start  start at 355,800 yuan ($50,800). Needleess to say,  the move will lure buyers as the world’s biggest electric-vehicle market slows. Tesla Model 3 is very promising to be a most popular new energy model in China. Tesla aims to lower costs by using more local components, allowing it to import fewer parts and avoid tariffs. On a home-made Model 3 delivery conference a chief executive said that the current localization rate for off-line automotive component is 30% currently, and it is expected to reach 70% in the middle of the year and 100%t by the end of the year, laying the foundation for continued cost down. Also this strategy brings a lot of opportunities to domestic upstream and downstream vehicles part suppliers.   The cut is widely predicted as just a start…

    Industry news January 31, 2020
  • Custom Plastic Injection Part

    Product name Plastic blower fan for power driven machine Product Material Engineering PP Injection molding machine 300 T Process Injection molding Runner Cold Sprue Cavity 1X1 This is a cold sprue injection mold for power-driven machine and the material is engineering plastic PP which is high temperature resistant. It is a thick wall plastic injection molded part. 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 products January 21, 2020
  • Custom Injection Molding Plastic Parts

    Product name Injection Molding Plastic Parts Product Material PP+30%GF Injection molding machine 480T Process Injection molding Runner Hot sprue Cavity 1X1 This is a hot runner injection mold for  injection molding plastic parts and the material plastic is PP+30%GF. A1 polishing finish on the surface. 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 plastics engineering and design, custom injection molding, final product assembly, mold making, and prototype development.

    Plastic products January 19, 2020
  • Custom auto parts

    Product name Plastic motorcycle accessories Product Material PC Injection molding machine 480T Process Injection molding Runner Cold sprue Cavity 1X1 This is a hot runner injection mold for auto parts and the material plastic is ABS+30%GF. AND No black spots on the surface and no blinster! 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. Since 2005, HS Mold has specialized in custom, high-volume plastic injection molding. Our team are committed to the success of your project and works hard to meet or…

    Plastic products January 15, 2020
  • Stack Mold Technology & Application  

    Stack Mold Technology & Application This article mainly decribes about Stack Mold Technology & Application in plastic injection molding. What is Stack mold? Stack mold can be described as a mold assembly consisting of a series of single-face molds of the same size, mounted back-to-back or “stacked” next to the other. Without increasing the plastic injection molding machine platen size or tonnage, stack molds double (or more for increased stack mold levels) the output of standard plastic injection molds, increasing molding efficiency and reducing the overall part cost. Stack molds can also produce multi-component assemblies or a family of parts in one shot on one plastic injection molding machine. Most stack molds have an equal number of the same cavities in each side of the mold, or parting surface, but they can also have different cavities in each mold parting surface to produce a family of parts per shot, with each part being a different…

    Mold making, Uncategorized January 14, 2020
  • Two shot injection mold design consideration

    This article discusses basic consideration for designing two-shot injection molds, which is referred to also as dual-shot, dual-injection, double-shot, double-injection, multi-shot, 2k molding, and overmolding Before tool design, one should check machine injection unit Injection unit sometimes constrain the tooling type. Material shrinkages for each material should be considered. Shrinkage may cause warpage and flash if those are not made up properly in tooling phase. If there is big different in melt temperature between materials, toolheat balancing should be .studied Tooling should consider gate location, access, allowable gate vestige. Draft angle in 2K molding is very critical factor which deciding wheremolded part stuck and rotating. In 1st shot molding, molded part should be stuck on rotating core and 2nd shot molding, molded part should remain on the side of ejecting system employed.   If part design imposing creating shut-off surface with molded part after rotating,Draft angle on shut-off surface should be…

    Mold design January 13, 2020
  • Part design guidelines on double injection molding

    In this article, we will show you from three aspects to be taken into consideration when designing plastic parts for double injection molding so we can save our customers time and money in the long run.   Mechanical structure     Surface Contact Adhesion is depending on materials compatibility, process temperatures, surface contact area, molding sequence and designing of mechanical interlock systems. If design not allows enough contact surface area, Tooling can make up like Make-up 1 : Increase expose surface byincreasingroughness. Make-up 2 : Employ interlock Wall Thickness Utilize 2nd shot to get more uniform wallthickness  Reinforce the 1st  and 2nd shot(transparent) by structure design such as “H” section etc. Thin but high rib in 2nd short. First shot thicker than 2nd shot. 2nd shot should be as thin as possiblewhen flow and weld line is not a issue. In MP case, 1st shot 0.6mm, 2nd shot 0.6mm was made Avoid sharpcorner Make…

    Mold design January 10, 2020
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