Injection mould

The Calculation Formulas for Injection Molding  Posted on: March 23, 2022, By  GREFEE Part 1 Clamping tonnage F (TON)    Formula: F=Am*Pv/1000 Clamping tonnage: TON      Am: Mold Cavity Projected area: CM2 Filling Pressure： KG/CM2 Generally, the plastic material filling pressure range is 150-350KG/CM2) Good flowability takes bottom values, poor flowability takes top values. Injection […]

Mold design Tips – Two-Stage Ejecting Structure Posted on : March 24, 2022 By  GREFEE Generally, when taking the product out from the mold, no matter it applies a single or multi-parts ejecting structure, the ejection should be finished once. However, due to the specific shaped products or requirements of volume production, a two-stage ejecting structure makes