Downloadable guide

Mold Construction Explained: Single-Plate, Two-Plate and Three-Plate Tools

Most disagreement about a quote comes down to the mold construction nobody agreed on out loud. This guide walks through the common plate and runner arrangements with the trade-off each one carries, so you can read a tooling quotation and know what you were offered and why.

What's inside

• Where the parting line lands and whether the gate mark will show
• Cold runner, hot runner and valve gate: cost, colour change and regrind
• Family tools and multi-part tools: when shared cavities save money and when they only add risk
• Insert, side-action and lift pin features that quietly change tool price