the most important part in a feeding system is gate
hey! Every one, actually the most important part in a feeding system is gate, because gate is the end of the runner, it is the entrance to the cavity. […]
what is the function of cold-slug in a mold
what is the function of cold-slug? It’s purpose is to store cold slug created intermittently by the nozzle due to heat loss and low temperature. Cold slugs could clog or slow down the material flow in runner and cavity and cause cold scars or cold marks on plastic part.
what is the direct gate in a mold?
when a sprue allows the melt plastic material to flow into the cavity, that is called direct gate, in that case, the plastic part will be left with a trace by the sprue. […]
the eighth principle for deciding on the parting line is to consider the impact of draft
the eighth principle for deciding on the parting line is to consider the impact of draft. […]
the sixth principle for deciding on the parting line is to coordinate the lateral parting line and major parting line
the sixth principle for deciding on the parting line is to coordinate the lateral parting line and major parting line. If a plastic part with side holes or side slots, […]
the fourth principle for deciding on the parting line is to assure plastic part accuracy
the fourth principle for deciding on the parting line is to assure plastic part accuracy, for example, when we want to make a plastic gear in an injection mold, […]
the third principle for deciding on the parting line is to keep the plastic part on the side of moving half of it’s mold
the third principle for deciding on the parting line is to keep the plastic part on the side of moving half of it’s mold, […]
the Shortcoming of traditional injection molding in water cooling
I want to tell you the Shortcoming of traditional injection molding in water cooling, because traditional water-cooled injection molds are made of steels via the material removal process, […]
a mold with unscrewing equipment
in all the molds with unscrewing equipment, please pay your attention to an exact mounting and alignment of cores and device units. For example, insufficiently supported cores, particularly slender cores, can be shifted from their center position by the entering plastic material.
threads on a plastic part
Our mold designers often see threads on a plastic part， they are called internal threads and external threads，and mold designer absolutely know cores for internal threads and sleeves for external threads，in order to get high quality threads and to be molded economically and in large quantities，unscrewing device will be used inside a mold. Threads are [...]