What's the meaning of "loosening and retreating" before injection machine?
Small is relatively loose, loose retreat is to prevent the flow of material out of the back too much air inside, back too little will flow out, under the influence of the quality of the first mock exam.Injection molding machine, also known as injection molding machine or injection machine. It is a thermoplastic or thermosetting plastic plastic molding mold made of plastic products of all shapes of the main molding equipment. It is divided into vertical, horizontal and all electric type. The injection molding machine heats the plastic, applying high pressure to the molten plastic to make it crack and fill the mold cavity.
In the gum before the action, do plastic pumping action, that is, before the release of pine, in the volume of gum after doing loose retreat, that is, after the pine back, which is more commonly usedBack pressure is to control the back storage speed, big barrel is in a more solid material!
In the gum before the action, do plastic pumping action, that is, before the release of pine, in the volume of gum after doing loose retreat, that is, after the pine back, which is more commonly used
