Productivity Features (1) Shot size (mass per shot). The total calculated or estimated shot size, that is, the total mass (weight) of the products coming from all cavities, plus the mass of the runner system (in the case of cold…
The two halves of an injection mold are bolted in place to the stationary and movable die plates. Most injection machines operate in a horizontal position. The injection press makes use of two hydraulic cylinders，and the mold is closed by…
Mechanical Features (1) Tie bar clearances and platen size, front to back, top to bottom. Will the planned mold fit on the platens? In some cases it is all right to have the mold larger than these dimensions; it may even…
Cutting by Spark Erosion with Travelling-Wire Electrodes This is a very economical process for cutting through-holes of arbitrary geometry in workpieces. The walls of the openings may be inclined to the plate surface. Thanks to the considerable efficiency of this process,…
Product Shape Every product has its own characteristic shape. The “shape” may be a simple, flat strip or disk, or a complicated, three-dimensional shape incorporating many features which are desired in the product. Certain rules must be kept in mind…
