1. Centering half die: straight lock, whole article, must be high.

2. Center each mold cavity insert: Everyone must seal it with tapered pins, straight locks or tapered valve seats to prevent matching and damaging the core/nozzle tip during installation.

3。 The principle of the die is to obtain the highest clamping force and the smallest flash, plus direct valve control and direct needle valve control on the die surface when the assembly rotates 90 degrees. This demoulding is hydraulically driven to strip the ring or plate. Must be a stable and high-quality mold.