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2022/07/19 |
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2022/07/19، 07:53 AM |
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How to Make a Good Flip Top Cap Mould
Flip top cap mould is required much for different kinds of flip top caps for shampoo bottle,oil bottle,tomato sauce bottle and so on. For a good flip top cap mould,it means we could produce good flip top caps with same quality,and the flip top cap mould could run fully automatically with high production efficiency.For a good flip top cap,first,when push the flip top to close,there should have sound;when we open the flip top cap to a certain location,it could open fast by itself,this required the butterfly design and also suitable raw material for the flip top cap;when the flip top cap is closed with the bottle,it must have water proof function.
First,when push the flip top to close,there should have sound;when we open the flip top cap to a certain location,it could open fast by itself,this required the butterfly design and also suitable raw material for the flip top cap;when the flip top cap is closed with the bottle,it must have water proof function.
Second,flip top cap mould tooling,we use stainless steel material for the core and cavity,which required twice tooling.The tooling accuracy is highly required,both for the matching and butterfly function.especially for the butterfly thickness,it will decide the flip top cap closing&opening stretch.
Third,flip top cap mould testing and production.The experience for machine setting is very important for this kind of mould,include the injection speed and pressure setting.Olny when we consider for all the factors,we could get a high quality flip top cap mould.
After you know the requirement for a good flip top cap, you could make the flip top cap mould accordingly.First,flip top cap mould design,the important is for injection gate location choosing,cooling system design and ejection structure design. After the mould design finished, you can have a meeting to discuss about the mould movement to improve the mould structure.
What is the Process of Plastic Bottle Cap Mold Injection Molding?
We all know that plastic molds are all about a single product. Different plastic products, the plastic molds it develops will be different. Sometimes even the same plastic products use different requirements, so the plastic molds we process will be different. From the perspective of plastic materials, plastics have the following effects on the mold. Different plastics will have different shrinkage, this is when we consider processing plastic molds, we must pay attention to the shrinkage rate of plastic molds. Before we open the plastic mold, we must determine the shrinkage of the mold, otherwise it will easily cause the mold to be scrapped. Especially large plastic molds，now let's take a look at part of the manufacturing process of plastic bottle caps
1. Plasticization: The process of heating and melting granular plastic into a viscous fluid melt in a cylinder.
2. Injection filling: The screw advances rapidly, and the plastic melt is injected into the cavity to allow the molten material to fill the cavity.
3. Pressure preservation and feeding: The melt shrinks due to cooling, but as the screw process continues to move forward slowly, the melt in the barrel continues to be injected into the cavity to supplement the need for shrinkage.
4. Cooling after the gate is frozen.
The plastic at the gate is completely frozen until the article is ejected from the cavity, and the plastic in the cavity still has temperature, pressure, and volume changes during this phase. When the product is demolded, the pressure in the cavity is not necessarily equal to the external pressure, and the difference between the pressure in the cavity and the external pressure is residual stress. When the residual stress is positive, demolding is difficult and the product is easily scratched or rupture. When it is negative, there is a depression on the surface of the product or a vacuum bubble inside the product.
What are the Technical Points of the Five-gallon Cap Injection Mold?
The best (most suitable) mold steel applied to different mold parts could help on cost saving too. And of course that it is under the nice mold design, otherwise, no matter how good the steel is, the quality of the mold would be general or terrible. The 5 gallon mold has been designed with the appropriate steel. In order to ensure the good quality that customers want, it can help to choose the right die steel, so what is the technical key in its manufacturing process?
1. the product molding cycle is a very important factor, the bottle cap can seal water, because it is related to their product production efficiency. Optimizing the mold structure design and cooling system is the key.
2. good molds must have a long working life at high speeds.The hand tear ring can be easily torn off and not too thin. To do this, you must use high-quality cap injection mold material and parts. It also maintains the simple structure of the Sinonova 5-gallon lid injection mold.
3. a reasonable choice of high-precision mold processing equipment and projects to follow up the team, the QC department to implement the entire project, which will directly lead to less time to modify and adjust the mold later. And a reasonable choice of processing technology will shorten the entire cap injection mold processing time Five-gallon cap mould manufacturer odinmould，also the release mode has different options for different five-gallon caps.
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