Tools for pressing. Spring plungers with helicoidal compression steel spring or gas spring Ingestion-build-100998 Using BS EN 4652-412

Using BS EN 4652-412

Annex A (normative) Calibration block characteristics and use

Manufacturers and suppliers of drivers in aerospace industry

Terminology in this document covers general principles

Mechanical operation

Tools for pressing. Spring plungers with helicoidal compression steel spring or gas spring Ingestion-build-100998 Using BS EN 4652-4121 Scope This document specifies dimensions, stroke and forces of spring plungers with steel spring or gas spring. This document applies to spring plungers which are used in tool manufacture for separating the tool and the sheet metal part after stamping or forming operations. It also gives information concerning their use and installation example of spring plungers steel spring or gas spring.