Tech Blog

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21 10, 2016

Focus on Plastic Injection Molding


When working with any manufacturing process, such as zinc auto parts molding. A number of defects unique to that process commonly occur. This is true across many processes and industries, including injection molding and high volume injection molding. As we have previously discussed on this blog, there are several zinc auto parts molding defects; however, an injection molder who is vigilant about quality, like our team at The Spark, will be able to manage these injection molding defects, minimizing or eliminating them all together. I want to tell you our advantages with you. Zinc Auto Parts Molding Advantages: Mold design is subject to customer's requirements Injection molding machine utilizing certain specification of plastic and many others Our products include a variety of vacuum cleaners and plastic components These products are widely available to world-class large companies We have won a high reputation among [...]

17 10, 2016

Why do you need us?


Our precision molds are designed and built using the latest state-of-the-art software and machine tool technology. Our fully equipped mold manufacturing division, Built-Rite Tool & Die, has CNC machining centers, EDM, Wire EDM, CNCN lathes and grinding equipment. Our molds are capable of accommodating both low and high-volume production requirements. Precision Mold The quality of our precision molds exceed those of your typical mold manufacturer, and parts can be molded and shipped right from the mold, skipping secondary operations that are typical of other tooling sources.   Our team of experts are here to work with you, the customer, through the whole process. You have input in: How your mold is designed How you want to control waste How to automate or not automate the molding process As partners with our customers, we work with you collaboratively to ensure that you get exactly [...]

14 10, 2016

About mechanical injecion mold slide design standards


Spark is an injection mold slide manufacturer in China. Today I want to tell you some design standards of them. Mechanical Injection Mold Slide 1)      All shut-off surfaces must have a minimum of three degrees draft in direction of slide travel. Any shut-off angle less than three degrees must have written customer approval. 2)     Two angle pins will be required on any slide design that exceeds seven inches in length. Consider a center Slide Guide for all long slides. 3)     There must be a minimum of three degrees difference between the angle pin and back wedge. 4)     The back wedge surface of the slide must have a lamina bronze (preferred) or 0-1 steel wear plate to allow for adjustment and for maintenance of wear surfaces. 5)     The back wedge must be designed to resist injection pressure by backing up the entire molding surface. [...]

11 10, 2016

Tell you some about zinc die casting molding


Zinc - The easiest alloy to cast, it offers high ductility, high impact strength and is easily plated. Zinc is economical to cast and has a low melting point and promotes long die life. Zinc die casting molding is popular among molds. A zinc alloy die casting molding made from SPARK #3 or #5, or a zinc-aluminum alloy casting made from ZA-8 is made in the same general manner as an aluminum die casting. Molten metal is injected into a casting die under high pressure and at a controlled temperature. The metal is rapidly cooled until the solidified part is sufficiently rigid to permit ejection from the mold. The mold has two sections, the "cover" half and the "ejector" half. The die may also have additional move able segments called slides or pulls, which are used to create features such as undercuts or holes, which [...]

8 10, 2016

About high pressure die casting…


SPARK, a company which special on die casting molding, will share you with some tech about high pressure die casting. Die Casting Molding High Pressure Die Casting - In this process, the liquid metal is injected at high speed and high pressure into a metal mould. A schematic view of high pressure die casting is given in below Figure. This equipment consists of two vertical platens on which bolsters are located which hold the die halves. One platen is fixed and the other can move so that the die can be opened and closed. A measured amount of metal is poured into the shot sleeve and then introduced into the mould cavity using a hydraulically-driven piston. Once the metal has solidified, the die is opened and the casting removed. In this process, special precautions must be taken to avoid too many gas inclusions [...]

30 09, 2016

Purpose of Making Prototype


Prototype Making, Plastic Mold Making During the period of product design, the most thing we want to do after design drawings finished is to see product we designed what it will be when make into physical thing, and check whether its appearance match with our design, and weather its structure reasonable or not, etc.. We are special for plastic mold making, prototype making and other mold making. So prototype being made for that purpose.  Popularly Speaking, prototype making is, one or several samples being made as per appearance or structure drawings on the condition that without opening mold, which use for appearance reference or structure reasonableness checking functional sample.   To inspect appearance design. Prototype not only visible but also touchable, it can reflect designer idea physically, direct -view, and avoid shortage of “ good look for drawing but ugly for object”. So [...]

27 09, 2016

What is medical plastic injection molding?


SPARK' injection molding services can be used to create plastic parts and components for medical devices. We can create any number of specialized medical plastic parts molding and plastic injection molding, either as subassemblies as components for more complex instruments. Medical Plastic Parts Molding Medical Grade Plastic Resins SPARK has a number of different materials available for our medical plastic injection molding processes, making it possible for us to find the ideal material for your project's needs. We use engineering resins such as polycarbonate, PEEK, and Ultem, which offer excellent mechanical properties and high tensile and temperature load ratings to resist breakage and deformation due to heat. We also use a number of specialized polymers with resins or fillers built in, such as fiberglass carbon fiber, talc, or custom color compounds, to give the completed product mechanical advantages or other unique properties. Our expertise with [...]

23 09, 2016

6 Common Injection Molding Defects


When working with any manufacturing process, a number of defects unique to that process commonly occur. This is true across many processes and industries, including plastic injection molding and high volume injection molding.                          Plastic Injection Molding Delamination Delamination, when a finished part has a layer of flaky material at the surface, hurts both aesthetic of your part and its strength. Caused by moisture contamination of the resin pellets or by other contamination of the melted resin with a dissimilar resin, or by release agents in the mold, delamination is the result of the resin being prevented from bonding. Discoloration Discoloration is simply when a finished part is a color different than intended                       Plastic Injection Molding Burn Marks Burn [...]

20 09, 2016

Export stack mold to America


We export stack mold to America. Mid-Autumn Festival was celebrated on the 15th day of the August of the lunar calendar. It is a time for family members and loved ones to congregated and enjoy the full-moon. An old sayings “Things That Go Together”, after the festival, we had sent stack injection mold to our American customers. Stack Mold, Stack Injection Mold   Speaking of stack injection mold, I have to tell you the application about it.       The application of hot runner stack mold will spare the labor and equipment, raise the efficiency and stabilize the quality of products,The mould had proved to be reasonable in structure, reliable in operation, coherence in dimension, could double the efficiency, and the cost of the mould could be reduced by 30%.   Owing to the fine application, stack mold always attract many customer’s [...]

13 09, 2016

How to Design a Die Casting Mold?


Die casting is a technique for mass-producing metal products and components. Die Casting Mold design is one of the most important steps in the process because the shape and attributes of the mold will directly affect the final product. The die casting procedure forces molten metal into molds using high pressure and it requires a mold with exact specifications to achieve the task. The Importance of Die Casting Mold Design Die Casting Mold Die Casting Mold design affects the shape, configuration, quality, and uniformity of a product created through the die casting procedure. Improper specifications can result in tool or material corrosion, as well as inferior product quality, while an effective design can improve efficiency and production time. There are a number of mold design factors to consider when deciding on the appropriate specifications for a project. Some of these factors include: Bosses [...]