Posts tagged "hot runner"

Application range of hot runner molds The cold runner is the part between the mold inlet and the product gate. The plastic is kept flowing in the runner by injection pressure and its own heat. The runner is part of the molded material, but not the product. Therefore, when designing a mold, we must consider not only the filling effect, but also how to save material by shortening and narrowing the runner. Ideally, this is

Hot runner application main technology key A successful hot runner mold application project requires several components to be guaranteed. Among them, there are two most important technical factors: one is the control of plastic temperature, and the other is the control of plastic flow. 1, the control of plastic temperature in the hot runner mold application of plastic temperature control is extremely important. Many production process and product quality problems arise directly from the hot

The main role of hot runner Hot runner (HRS) is also called hot water port, that is, the cured water port into a molten water port, its composition is relatively simple, mainly including manifold, hot nozzle, temperature controller, etc.. Among them, the manifold can be divided into work-shaped, X-shaped, Y-shaped, T-shaped, mouth-shaped and other special shapes according to the shape; hot nozzle can be divided into large spout, sharp nozzle, needle valve nozzle according to

Injection Molds and Hot Runners Injection molds are composed of several steel plates with various parts, basically divided into. A Forming device (concave die, convex die) B positioning device (guide pillar, guide sleeve) C fixture (I-plate, mold pit) D cooling system (water transport hole) E thermostatic system (heating tube, hot wire) F runner system (chirp hole, runner slot, runner hole) G Ejector system (ejector pin, ejector stick) According to the different types of casting system

Standards for testing hot runner systems for plastic moulds The hot runner is heated to ensure that the plastic in the runner and gate remains molten, the hot runner system is generally composed of hot nozzles, manifolds, temperature control boxes and accessories, etc. The hot nozzles generally include two types: open hot nozzles and needle valve hot nozzles, as the form of hot nozzles directly determines the choice of hot runner system and the manufacture

Composition, advantages and disadvantages of hot runner technology Hot runner technology is an advanced technology applied to the runner system of plastic injection mold, and it is a hot direction in the development of plastic injection molding technology. The so-called hot runner molding refers to that the plastic sent to the gate from the nozzle of the injection machine is always in a molten state. It does not need to be solidified and taken out