ISO 20928:2018
Tools for pressing — Spring plungers with helicoidal compression steel spring or gas spring
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.
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Basic principles
5 Calculation basics
6 Dimensions
6.1 Spring plunger with steel spring
6.2 Spring plunger with gas spring
7 Installation example
Bibliography
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Basic principles
5 Calculation basics
6 Dimensions
6.1 Spring plunger with steel spring
6.2 Spring plunger with gas spring
7 Installation example
Bibliography