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16 01, 2017

Manufacturing mold by yourself or outsouring

If you want to manufacture silicone keyboard mold, many factors need examination. These include bottom-line costs, investments in molds, raw materials to run the parts, utilities, labor and overhead packaging. These factors are the foundation of the evaluation. Regardless of how your company allocates costs, at the end of the day, they are still true costs, and someone is paying for them. If you are an OEM thinking of outsouring your silicone keyboard mold manufacturing, the benefits are numerous. Here are just a few compelling reasons why you should consider using a control manufacturing (CM) 6 reasons that just make sense 1.Cost savings CMs reduce your overhead and labor costs. Focus your resources on what your company does well 2.Improve quality Look for ISO certified CMs. Certification signals continuous quality improvement 3.Flexibility CMs offer greater scheduling capacity. They can meet the needs of your market. 4.Time to [...]

16 01, 2017

Die Casting Consumer Parts

Die Casting Moldings are tools used in a process known as die casting. In this process, the metal alloy which can be zinc, copper or aluminum, is melted into liquefied metal by heating it in intense temperatures. After the metal alloy is liquefied, this will then be poured into the die casting tools and after it cools down, it becomes the finished product. This process is commonly used to create consumer parts. Consumer Parts Die Cast Tooling is the fastest and cheapest way to make bulk numbers of parts that are commonly used in everyday items. First of all, Consumer Parts Die Castings come in many forms, shapes and sizes. This process is very useful to many manufacturers around the world as aluminum die cast molding parts are used almost anywhere and everywhere. Automobiles rely heavily on aluminum parts, the same goes with lighting fixtures and [...]

11 01, 2017

5 main stages of die casting molding(2)

Here I will continue to introduce the remaining stages of die casting molding. 3. Cooling - The molten metal that is injected into the die will begin to cool and solidify once it enters the die cavity. When the entire cavity is filled and the molten metal solidifies, the final shape of the casting is formed. The die can not be opened until the cooling time has elapsed and the casting is solidified. The cooling time can be estimated from several thermodynamic properties of the metal, the maximum wall thickness of the casting, and the complexity of the die. A greater wall thickness will require a longer cooling time. The geometric complexity of the die also requires a longer cooling time because the additional resistance to the flow of heat. 4. Ejection - After the predetermined cooling time has passed, the die halves can be [...]

4 01, 2017

5 main stages of die casting molding(1)

The process cycle for die casting molding consists of five main stages, which are explained below. The total cycle time is very short, typically between 2 seconds and 1 minute. Clamping - The first step of die casting molding is the preparation and clamping of the two halves of the die. Each die half is first cleaned from the previous injection and then lubricated to facilitate the ejection of the next part. The lubrication time increases with part size, as well as the number of cavities and side-cores. Also, lubrication may not be required after each cycle, but after 2 or 3 cycles, depending upon the material. After lubrication, the two die halves, which are attached inside the die casting machine, are closed and securely clamped together. Sufficient force must be applied to the die to keep it securely closed while the metal is injected. [...]

30 12, 2016

Die Cast Tooling Design and Mold Making

We know only highest quality die cast tooling can produce the high quality castings that customers demand. Our superior tooling capabilities reflect this deep understanding gained from years of experience. Fully staffed and well equipped, our tooling department achieves tolerances that surpass industry standards, providing part accuracy suitable for the most demanding applications, such as for optical or hunting and shooting. Our tool and die makers create solutions for a wide range of material formed applications in all major industries. Customers use our die cast tooling solutions to produce complex, highly cosmetic, flash-free components— from parts for optical, medical, electronic to sports and other applications. Tooling Design Our design engineers use computerized modeling to simulate the filling, cooling and expected shrinkage for complex parts. This allows for thorough evaluation and refinement of the tool design before tool construction begins and ensures the tool will produce [...]

30 12, 2016

Which you choose between 3D printing and Injection Molding

Plastic injection molding and 3D printing are similar — they both primarily produce parts and components from plastic, and they are both capable of high degrees of geometric complexity. However, there are important differences as well. One of the more appealing aspects of 3D printing is the absence of steep initial costs. Because of its need for specially tooled dies, the creation of which is an expensive process, injection molding requires considerable initial costs. Though imposing at first, these startup costs are amortized over the lifespan of the die and the production run — in large volume injection molding projects, the start up costs are amortized over more individual parts, leading to a relatively low per-part cost. Aside from its benefit in terms of initial costs, 3D printing has a number of limitations that the technology has yet to surmount, especially when compared to injection [...]

24 12, 2016

About plastic injection mold you may quote

For plastic injection mold, you may have many questions to quote. Here I list a few questions you may want to ask. Are there CAD drawings and or samples of the part to be quoted? To begin to form an accurate quote, the molder needs to know what you are asking them to make. Detailed dimensional drawings provide information on the size and complexity of the part. A sample or prototype can help the molder begin to determine how to maximize the design for manufacture ability. What is the part intended to do?  Are there chemical or environmental issues the part will be exposed to? The injection molder you are working with needs to understand the end-use application of the part. This explanation will help the manufacturer determine how sturdy the part needs to be and what the wear and tear will be over time.  [...]

21 12, 2016

Drawing mold design picturer you should know

Many people ask me that they need consider when draw the design pictures of die casting mold making. Drawing the assembly diagram as far as possible the proportion of 1: 1, the first start drawing from the cavity, the main view and other views at the same time draw. Die casting mold drawings should include the following: 1) Mold part of the structure 2) Pouring system, exhaust system structure. 3) Sub-surface and sub-module pickup way. 4) The shape of the structure and all connections, positioning, guide the location. 5) Note the cavity height size (not required, as required) and the overall size of the mold. 6) Auxiliary tools (unloading tool unloading tools, calibration tools, etc.). 7) All the parts are numbered in sequence, and the schedule is filled in. 8) Mark the technical requirements and instructions. Mold assembly diagram of the technical requirements Content: 1) [...]

17 12, 2016

Casting Methods and Cast Alloys

Only die casting molding will generally satisfy the mechanical demands of mold inserts that are required for more than just experimental and low-production runs. Furthermore, only steel has an adequate degree of polish ability. Many of the steel grades successfully employed in mold making are amenable to casting. However, it must be borne in mind that castings always have a coarse structure that is not comparable to the transformation structure of foiled or rolled steels. At the macroscopic level,castings have different primal grain sizes between the edge and core zones. There is limited scope for using subsequent heat treatment to eliminate the primary phases that settle out on the grain surfaces during solidification. For these reasons, when making cast molds, it is best to use steel grades that have little tendency to form coarse crystals or to separate by liquation. Not only does die casting [...]

13 12, 2016

Plastic mold common failure form – shrinkage

There exits shrinkage in surface of die cast mold. I will introduce you in details as followings: Features: Shrinkage hole is the surface of the die cast mold surface or the existence of a surface rough hole. There also are a lot of small shrinkage hole, that is, shrinkage. Shrinkage often occurs in the castings near the runner, riser root, thick parts, the thickness of the wall junction and has a large plane of the thickness. Causes: The temperature control of die cast mold does not meet the directional solidification requirements. The choice of paint is improper, different parts of the coating layer thickness control is not good. The casting mold in the position of improper design. Pouring riser design failed to achieve the full complement from the role. Pouring temperature is too low or too high. Control methods: Improving the abrasive temperature. Adjusting the [...]