Understanding DIN 16742 - TG5 DIN 16742 is the central German engineering standard for determining tolerances in plastic molded parts. Within this framework, TG5 (Tolerance Group 5) represents the "baseline" or "standard" precision level for modern injection molding.

(affected by the movement of mold components), allowing for more realistic tolerance expectations based on tool mechanics. Supply Chain Alignment : Particularly in the European and German automotive supply chains

Mistake #3: Forgetting the gate location

A part with a single edge gate will have shrinkage variation along the flow path. Under TG5, you must simulate this (Moldex3D, Cadmould) and adjust the nominal dimension asymmetrically (e.g., +0.10 mm / -0.18 mm instead of ±0.14 mm).

The success of meeting TG5 is heavily dependent on the material's shrinkage characteristics.

DIMENSIONS: DIN 16742 TG5 (linear mm)
FORM & POSITION: DIN 16742 TG5
SURFACE: V2

1. DIN (Deutsches Institut für Normung) website: You can purchase the standard directly from the DIN website.
2. International standards databases: Some databases, like IHS Standards Store or ANSI Webstore, may offer access to DIN standards, including DIN 16742.
3. Technical libraries or universities: Many technical libraries and universities have access to standards collections, including DIN standards.

—such as stiffness and shrinkage—rather than just listing specific materials, allowing for more accurate predictions across various resins. Deep Mould Breaking Down TG5 (Tolerance Group 5) Within DIN 16742, "TG" stands for Tolerance Group

Quality and Reliability: The standard ensures a certain level of quality and reliability. Tool holders that meet these standards have been tested for their performance under various conditions, providing assurance to manufacturers about their durability and lifespan.