Injection Molding

Injection molding calculators for clamp force, shot size, cooling time, cycle time, runner design, shrinkage, gate size, and mold cost.

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Calculate required clamping tonnage from projected part area, cavity pressure, and number of cavities.

Estimate part cooling time from wall thickness, melt temperature, mold temperature, and material thermal properties.

Calculate total injection molding cycle time from fill, pack/hold, cooling, and mold open/close phases.

Calculate injection mold gate dimensions from part weight, wall thickness, and material flow characteristics.

Estimate injection mold build cost from cavitation, material, part complexity, and features like side actions and hot runners.

Calculate per-part injection molding cost from material, machine time, and amortized mold cost.

Calculate runner diameter, length, and volume for balanced multi-cavity injection molds.

Calculate barrel capacity needed from part weight, runner volume, number of cavities, and cushion percentage.

Calculate mold cavity dimensions from finished part size and material shrinkage rate to ensure correct part dimensions.

Calculate vent depth, width, land length, and placement for proper air evacuation in injection molds.