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Advantages of using small gate for injection molding-2 Jul 23, 2020
③Because the small gate has a small volume and fast freezing, when producing certain products, it is not necessary to wait for the entire solidification of the product after the small gate is frozen. As long as the external cured layer has sufficient strength and rigidity, the product can be demolded, thereby Shorten the molding cycle and improve production efficiency. ④In the multi-cavity unbalan...
- mold Filling
- plastic mold Filling
- injection molding machine
How many under-cut structure you have seen? Jul 23, 2020
In plastic product, there are some under-cut structure. How many under-cut structure you have seen? Some product only have one under-cut, some product has more than one under cut surface, some product whole four surroundings has under-cuts, some product has under-cut in the under-cut. What's the meaning of under-cut? Under-cut means when you see from the top view, the highest point is the referenc...
- mold design
- under cut
- mold structure
Main points related to the design of gear mold Jul 23, 2020
1. Gate: generally, 3-point or 6-point is used for balance. For micro gears, usually single point is used. 2. Mold cavity: usually for 1~4 cavities. Small gear can reach 6 or 8 cavities; Different shapes of gears could be 3 cavities. The most representative is 4 cavities. 3. Ejection: normally use center ejector sleeve and ejector pin. For the helical gear, a bearing must be added to assist the ej...
- Helical gear mold
- POM gear injection
- small plastic gears
What is thin-wall injection Jul 23, 2020
Thin-wall injection molding technology is also called thin-wall plastic injection molding technology. There are three types of definitions: The ratio of flow length to thickness L/T, that is, the injection ratio of the flow length L from the melt into the mold to the farthest cavity of the cavity that the melt must be filled with the corresponding average wall thickness T is 100 or 150 is thin-wal...
- mold Filling
- injection molding machine
- plastic mold Filling
How much do you know about the shrinkage of common plastic raw materials? Sep 21, 2020
How much do you know about the shrinkage of common plastic raw materials? Different plastic materials have different shrinkages. Today we will talk about the most commonly used material shrinkage. ABS : 0.5% PC: 0.5% PMMA: 0.5% PS: 0.5% PC+ABS: 0.5% PE : 2% PP : 2% PA: 2% PVC : 2% POM : 2% When we make plastic mold, we should consider the plastic material shrinkage, otherwise the product wil...
- plastic material
- sink mark
- injection mold for electronic products
Injection mold gate type and selection-1 Sep 21, 2020
The gate of the plastic mold refers to a section of short runner connecting the runner and the strong, which is the entrance of the resin injection cavity. The shape, quantity, size and location of the gate in the mold will have a great impact on the quality of the plastic parts. Therefore, the selection of the gate is one of the key points of the plastic mold design. The gate will be introduced i...
- mold Filling
- injection mold company
- custom plastic molding
Injection mold gate type and selection-2 Aug 14, 2020
2.1 Unrestricted gate. Unrestricted gate is also called straight gate. Its characteristic is that the plastic melt flows directly into the cavity, the pressure loss is small, the feeding speed is fast and the molding is easier, and it is suitable for all kinds of plastics. It has the advantages of good transmission pressure, strong pressure maintaining and shrinking effect, simple and compact mold...
- mold Filling
- injection molding machine
- plastic mold Filling
Commonly used materials and attention in CNC prototype processing Aug 21, 2020
CNC processing is a very common processing method for prototype parts. The commonly used materials are: ABS, POM, PMMA (Acrylic), Nylon, PC, PP, PA, BT, PVC, etc. Aluminum alloy, copper, etc. After the workpiece is clamped, the digital control system can control the machine tool to automatically select and change cutter according to different procedures, automatically change the spindle speed, fee...
- prototype parts
- CNC prototype
- CNC machining part

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