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DIN Standards Committee Machine Tools

Abstract

This document specifies technical safety requirements and measures to be adopted by persons undertaking the design, manufacture and supply of press brakes which are intended to work cold metal or material partly of cold metal but which can be used in the same way to work other sheet materials (e.g. cardboard, plastic, rubber, leather, etc.) and also referred to as machines. NOTE 1 The design of a machine includes the study of the machine itself, taking into account all phases of the “life” of the machine mentioned in ISO 12100:2010, 5.4, and the drafting of the instructions related to all the above phases. This document covers the following types of machines (see Annex J) : - hydraulic press brakes - hydraulic servo-drive press brakes - screw servo-drive press brakes - belt-spring servo-drive press brakes The requirements in this document take account of intended use, as defined in ISO 12100:2010, 3.23, as well as reasonably foreseeable misuse, as defined in ISO 12100:2010, 3.24. This document presumes access to the press brake from all directions, deals with all significant hazards during the various phases of the life of the machine described in Clause 4, and specifies the safety measures for both the operator and other exposed persons. NOTE 2 All significant hazards means those identified or associated with press brakes at the time of the publication of this document. This document applies to press brakes which can function independently or in combination (e.g. two machines in tandem or more) and can also be used as a guide for the design of press brakes which are intended to be integrated in a manufacturing system. This document deals with the significant hazards, hazardous situations and events relevant to press brakes and ancillary devices (see Clause 4). This document specifies the safety requirements for press brakes defined in this clause. This document does not cover press brakes which transmit energy to impart beam motion by using pneumatic means or mechanical clutch or press brakes that use combination of technologies (e.g. combined hydraulic and screw servo-drive press brake or combined hydraulic servo-drive and screw servo-drive press brake). This document does not cover machines whose principal designed purpose is: a) sheet folding by rotary action; b) tube and pipe bending by rotary action; c) roll bending. This document does not cover hazards related to the use of press brakes in explosive atmospheres. This document is not applicable to press brakes which are manufactured before the date of its publication. This document does not cover the safety aspect of equipment for automatic workpiece loading and unloading where provided. Guidance on how to take into account additional automatic loading and unloading equipment can be found in ISO 11161:2007.

Begin

2022-05-09

WI

00143103

Planned document number

DIN EN ISO 6909

Project number

12200232

Responsible national committee

NA 122-10-01 AA - Safety - Presses and metal forming machines  

Responsible european committee

CEN/TC 143/WG 1 - Metal forming machine tools - Safety  

Responsible international committee

ISO/TC 39/SC 10/WG 1 - Metal forming machines  

draft standard

Machine tools Safety - Press brakes (ISO/DIS 6909:2023); German and English version prEN ISO 6909:2023
2024-01
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previous edition(s)

Safety of machine tools - Hydraulic press brakes; German version EN 12622:2009+A1:2013
2014-02