Автоподбор страны, региона, города
Введите начальные буквы названия и через секунду-две выберите вариант из появившегося списка
Если такого названия в списке нет - напишите нам

Подробнее об автоподборе
Сортировать            
23.04.2019 09:39

How Does Plastic Injection Parts Manufacturing?

An injection machine is made up of three primary components - the feed hopper, the screw and the heated barrel. Plastic granules for the part are fed into the heated barrel by a hopper. Plastic that is placed in the hopper is usually in powder or granular Form although some resins, for instance silicone rubber, may be a liquid and might not entail heating.
The material is then melted utilizing the frictional action of a reciprocating screw accompanied with heating bands. The molten plastic is then injected through the nozzle and into a mold cavity – it may seem easy, but injection molding is actually a very complex process. The mold cavity, the material cools and solidifies to the configuration of the cavity. When the part has hardened, the moveable platen that the mold is mounted opens and the part is ejected using ejector pins.
The injection molding machine sizes can run anywhere from 5 tons of clamping force to over 6000. The higher

...>>>

Автор: Статус: offline otsedtalex   Теги:  plastic injection parts 


оценок: 0       Количество просмотров  просмотров: 9
12.04.2019 11:18

Plastic Injection Parts Potential Negative Effects Of Molding

Up front costs tend to be very high due to design, testing, and tooling requirements. If you are going to produce parts in high volumes you want to make sure you get the design right the first time. That is more complicated than you might think . Getting the design right includes:
Designing and then prototyping the part itself to specification
Initial prototype development is typically completed on a 3D printer and often in a different material (such as ABS plastic) than the final part will be constructed in
Designing an injection mold tool for an initial production round
Typically generating 300-1000 injection molded prototypes in the production material requires the development of an injection mold tool.
Refining any and all details in the injection mold tool prior to mass-production in an injection mold

...>>>

Автор: Статус: offline otsedtalex   Теги:  plastic injection parts 


оценок: 0       Количество просмотров  просмотров: 7

скрытых интим статей  2