• 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
  • Injection Molds for Expansion Tank Mounting Plate 

    More and more China mold makers are involved in manufacturing plastic injection molds for Engine Coolant Recovery Tank Mount . However, the warp issue caused by plastic PA66+30GF is always a big challenge to overcome. To handle the injection tooling project of  Radiator Expansion Tank Mounting Plate, it requires consolidating force from each team including mold flow/design/machining/QC. And the whole team must own rich experience, otherwise the critical dimensions are difficult to be achieved and mold has been changed again and again. For most companies, core and cavity needs to be replaced at least one time. Dumping away blocks is quite commonly seen. Mold Flow. Use Mold flow to calculate the warp and gate location with the size normally between4-6mm. Now here is the question, a lot of mold makers complaint about that the result from Mold flow differs greatly with actual result. According to our years of experience, mold flow reading is feasible, but…

    Plastic Injection Mold January 29, 2020
  • Automotive Water Expansion Tank

    This is the upper cover of Automotive Water Expansion Tank for a branded automotive company. We are a manufacturer of radiator expansion tank. The material is PP. The part features with a long BOSS and round undercut of 1mm. The BOSS structured with a round pin on the cavity followed by forced demolding. In most shops, slides are usually used to form the feature but this is a waste of money considering the quantity of the products. So we use insert to make the BOSS. Since undercut is to assembly the water tube, we have to keep tight control on the undercut measurement. After forced demolding, the size of would become smaller. So we have to check the dimension of of undercut after trial and then use mirror EDM to machine until we get the right size. This process usually has to been repeated over 2-3 times. For the Coolant…

    Plastic Injection Mold January 28, 2020
  • Why we need Prototype?

    Prototyping is an important step in the process of New Product Development. Prototypes can be inexpensively prepared by CNC machining stock shapes, by thermo-forming them from sheet stock, or simple injection molding tools can be made from soft steel or aluminum. In addition to providing a three dimensional presentation of the design, a prototype allows: Subjecting the part to the chemical and mechanical environment it will endure in real life Accelerated testing for part life Checking compatibility with anticipated secondary assembly operations How to protoype? Prototype molds may be simple or complex, steel or aluminum. Injection molded prototypes from molds that have cooling channels can supply cycle time estimates and guidelines for commercial tooling. Determination of shrinkage factors, optimum gate sizes, vent locations and effect of mold temperature should also be established. Molded prototypes are preferred because flow orientation may influence performance. The latter is particularly important in glass-filled compositions.HS Mold excels in…

    Mold making January 26, 2020
  • Cold Slug Well in Plastic Mold Design

    Cold slug well is a very imporant part of plastic mold design. It is  defined as the small nub of plastic that cools and solidifies inside the nozzle tip during the cooling cooling phase of the injection cycle. It is designed to store cold slug  caused intermittently by the nozzle due to heat loss and low temperature. Cold slugs could clog or slow down the material flow in runner and cavity and cause cold scars or cold marks on plastic part. The cold slug well is usually placed at the end of primary runner. When the branch runner is too long, cold slug well should be designed as well to store the front plastic cooled by mold. Cold slug well is a very imporant part of gate system and it should not be neglected at mold design.   For molded plastic part made from flame-retardant PC, the design of cold well determines the the quality of…

    Mold design January 23, 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
  • How to solve silver streaks in injection molidng

    Silver streaks are a very common phenomenon appearing on the surface of plastic injection molded products. They are shining line shaped patterns usually caused by moisture, but can also be caused by high filling rates and poor vents which can cause entrapping of gas either from the environment, mold water leaks, etc. These can be considered external appearance quality defects in exterior parts of consumer electrical products, automobiles, motorcycles, etc. The most commonly seen streaks are shown as below. Moisture streaks/splay marks Burning streaks/silver streaks   Dark streaks Color streaks     The cause for the formation of streaks can be deter-mined in many defective injection products only after costly investigations,especially as the appearance of burning and moisture streaks is similar.Extensive knowledge of the plastic,the mold design and the plastic injection molding processing are indispensable for overcoming the problem.Before launching expen-sive and time-consuming investigations the following points should be checked in the sequence given and if…

    Injection molding process January 17, 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  

    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 shape and size. Advantages Doubled Part ProductionInstead of increasing the mold size by adding more cavities, a stack…

    Mold making, Uncategorized January 14, 2020
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