Klanten zijn misschien niet erg voorzichtig met het gebruik van het hotrunner-systeem. Vandaag, JasonMould praat graag met je over de injectiedruk bij het kiezen van een hotrunnersysteem.
Injectiedrukverlies in hotrunnersystemen kan niet worden genegeerd.
Many hot runner mold users have a misconception that the plastic solution in the hot runner is always hot, so the hot runner injection pressure loss is much smaller than the cold runner.
In feite, in order to adapt to the needs of hot runner structure design, the flow distance of the solution in the hot runner system will be greatly increased, so the injection pressure loss in the hot runner system cannot be seen.
In practical applications, the injection pressure loss in the hot runner system is too large, which makes the injection molding difficult. Daarom, the flow distance of the plastic (zoals pc, POM, enzovoort.) and the solution in the hot runner system is poor.
Large, heavy parts, enzovoort., should use CAE software for flow analysis.
After the production of the hot runner injection mold is completed, the shutdown operation of the injection machine is used, and the following operations must be performed:
Eerst, turn off the heater of the hot runner system.
het ontwikkelen van intelligente oppervlakteontwerptechnologie, turn off the cooling system of the mold.
For heated hot runner systems, the mold cooling system must be turned off after the temperature has dropped to 80 °C.
Before the end of the hot runner injection mold production, for high temperature plastics and heat sensitive plastics, refueling must be carried out.
For some plastics such as PCs, it can stay in the hot runner system and the barrel of the injection machine.
At a low temperature of about 160 °C, the injection can be interrupted for up to 12 uur, but it cannot be interrupted for a long time.
Thermal plastics cannot interrupt the injection.
In the barrel of the injection machine and in the flow path of the hot runner, there is a strong adhesion between the cured or semi-cured plastic and the metal surface, even separating the nitride layer.
The screw of the injection machine and the pin of the switch nozzle have a surface nitride layer. Daarom, do not interrupt the injection and perform the melt cleaning before shutting down.
Over JasonMould Industrial Company Limited
Jasonmould is een Chinese matrijzenmaker van plastic mallen- spuitgietmatrijs:, spuitgietmatrijzen, kunststof blaasvormen, rotatiegieten, medisch spuitgieten van kunststof, twee schoten spuitgieten van kunststof, invoegen lijstwerk, overmolding, metalen spuitgieten, micro-spuitgieten, poeder spuitgieten, keramisch spuitgieten, vloeibare spuitgieten, husky spuitgieten, huishoudelijke schimmel, gietvorm, matrijs gereedschap:, aangepaste mallen, Chinese mallen:, tooling voor snelle prototyping, kunststof prototyping gereedschap, ponsmachine tooling, sterven en tooling voor mobiele/mobiele telefoon onderdelen, auto-onderdelen, stofzuigers, oplaadbare gereedschappen, telefoons, kopieerapparaten, computers, multimedia speakers, en vele andere elektronische producten en huishoudelijke apparaten. En ook een fabrikant van plastic producten, schimmelfabrikant China– kunststof onderdelen, plastic watertank, plastic ballen, plastic containers, plastic gesp, plastic anker, plastic hanger, Plastic lepel, plastic pijp montage:, plastic tuimelen, plastic servies, plastic bekers, plastic flessen, plastic dienblad, plastic cosmetische container, plastic verpakking, plastic voedselcontainer, plastic stoelen, plastic doppen, plastic dop sluiting, plastic buizen, kunststof waterleidingen, plastic knoppen, plastic buizen, plastic gebruiksdozen, plastic rekken enzovoort;.
Contact:
Persoon: James Yuan
Bedrijf: JasonMould Industrial Company Limited
Toevoegen: LongGang Village,LongXi Town,BoLuo County,HuiZhou-stad,Provincie GuangDong, China
Tel: 86-752-6682869
E-mail: [email protected]
website: https://www.jasonmolding.com/company/
