Big size injection mold prices china introduce what factors will affect the injection molding effect


Big size injection mold prices china tells you that the gate form also affects the shrinkage of injection molding. Big size injection mold prices china tells you that when using a small gate, the shrinkage of the plastic part will increase because the gate is solidified before the end of the holding pressure.

Big size injection mold prices chinaBig size injection mold prices china tells you that the cooling circuit structure in the injection mold is also a key point in the mold design. If the cooling circuit is not designed properly, the shrinkage difference will occur due to the uneven temperature of the plastic parts. The result is that the plastic parts' dimensions are out of tolerance or deformed. In thin-walled parts, the influence of mold temperature distribution on shrinkage is more obvious.
Parting surface and gate, Big size injection mold prices china tells you that factors such as mold parting surface, gate form, and size directly affect the direction of material flow, density distribution, pressure holding, and feeding and molding time.
Big size injection mold prices china tells you that using a direct gate or a large cross-section gate can reduce shrinkage, but the anisotropy is large, the shrinkage is small along the flow direction, and the shrinkage is large along the vertical flow direction; conversely, when the gate thickness is small, the gate part will solidify and harden prematurely, and the plastic in the cavity will not be replenished in time after shrinking, and the shrinkage will be larger.
Through the above introduction and analysis of the big size injection mold prices china introduces what factors will affect the injection molding effect, hope it helps you.

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