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Power Requirements of Injection Molding[ 03-23 09:35 ]
The power required for producing injection molds depends on many different factors and varies based on what materials are used and what the injection molded parts will be used for. The Manufacturing Processes Reference Guide states that power requirements depend on "a material's specific ......
Lubrication and Cooling of Injection Molding[ 03-23 09:32 ]
The temperature of injection molds must be maintained in order for the production to take place. Because of the heat capacity, inexpensiveness, and availability of water, water is used as the primary cooling agent. To maintain temperature of an injection molded part, water can be channeled through the mold to account for quick cooling ......
The “Big Guy” of Our Company: NVX 7000[ 03-22 18:46 ]
Ahead Technology (Shenzhen) Co., Ltd had imported a "big guy" from Japan. The name of the "big guy" is NVX 7000. As you know, NVX 7000 is manufactured by the world-famous enterprises DMG MORI. DMG MORI brings together German and Japanese tradition, precision and technological leadership in machine tool ......
Tolerances and Surfaces of Injection Molding[ 03-22 10:33 ]
Molding tolerance is a specified allowance on the deviation in parameters such as dimensions, weights, shapes, or angles, etc. To maximize control in setting tolerances there is usually a minimum and maximum limit on thickness, based on the process used. Injection molds are typically capable of ......
Molding Trial[ 03-22 10:31 ]
When filling new or unfamiliar injection molds for the first time, where shot size for that mold is unknown, an injection molding company technician/tool setter usually starts with a small shot weight and fills gradually until the mold is 95 to 99% full. Once this is achieved a small amount of ......
Injection Molds: Process Troubleshooting[ 03-21 10:41 ]
Optimal process settings are critical to influencing the cost, quality, and productivity of plastic injection molds. Process optimization is done using the following methods. Injection speeds are usually determined by performing viscosity curves. Process windows are performed varying the melt temperatures and holding ......
Different Types of Processes for Injection Molds[ 03-21 10:38 ]
Although most injection molding processes are covered by the conventional process description above, there are several important molding variations including: Co-injection(sandwich)molding Fusible(lost, soluble)core injection molding Gas-assisted injection molding In-mold decoration and in mold lamination ......
Time Function[ 03-21 10:30 ]
The time it takes to make a product using injection molding can be calculated: Total time = 2M + T + C + E Where: (2M) = Twice the Mold Open/Close Time (T) = Injection Time (S/F) (C) = Cooling Time (E) = Ejection Time (E) (S) = Mold Size (in3) (F) = Flow Rate (in3/min) The total cycle time can be calculated using tcycle = tclosing + tcooling + ......
Injection Molding Cycle[ 03-18 14:18 ]
The sequence of events during the injection molding of a plastic part is called the injection molding cycle. The cycle begins when the mold closes, followed by the injection of the polymer into the mold cavity. Once the cavity is filled, a holding pressure is maintained to compensate for material shrinkage. In the next step, the screw ......
The Process of Producing Injection Molds[ 03-18 14:15 ]
With injection Molding, granular plastic is fed by gravity from a hopper into a heated barrel. As the granules are slowly moved forward by a screw-type plunger, the plastic is forced into a heated chamber called the barrel, where it is melted. As the plunger advances, the melted plastic is ......
The Cost of Injection Molding[ 03-17 15:06 ]
The cost of manufacturing injection molds depends on a very large set of factors ranging from number of cavities, size of the parts (and therefore the mold), complexity of the pieces, expected tool longevity, surface finishes and many others. The initial cost is great, however the piece part cost is low, so with greater quantities the ......
Machining[ 03-17 15:03 ]
Injection Mold Companies use two main methods to manufacture molds: standard machining and EDM. Standard Machining, in its conventional form, has historically been the method of building injection molds with a knee mill. With technological development, CNC machining became the predominant means of making more ......
Geometrical Possibilities[ 03-17 15:00 ]
The most commonly used plastic molding process, injection molding, is used to create a large variety of injection molds with different shapes and sizes. Most importantly, this molding method can create injection molded parts with complex geometry that many other processes cannot. There are a few ......
Tool Materials[ 03-16 10:34 ]
Tool steel or Aluminum are often used on injection molds. Mild steel, nickel, or epoxy are only suitable for prototype or very short production runs. High grade aluminum is fast becoming the material of choice for injection molds, as it offers substantially lower tooling costs and better ......
Effects on The Material Properties[ 03-16 10:30 ]
The mechanical properties of an injection molded part are usually minimally affected. Some parts can have internal stresses in them. This is one of the reasons why it's good to have uniform wall thickness when molding. One of the physical property changes of an injection molded part is shrinkage. A permanent chemical property change is the ......
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Add: No.36 Shiwei Pinggang Industrial Area, Jiangshi Community, Gongming Street, Guangming New District, Shenzhen, China 518106.

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Ahead Technology(Shen Zhen) Co.,Ltd No.36 Shiwei Pinggang Industrial Area, Jiangshi Community,Gongming Street, Guangming New District, Shenzhen, China 518106

Phone: +86-755-23426229

Fax: +86-755-29904981

E-mail:tina@aheadmold.com

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