Name: PREN 847-2 : DRAFT 2016
Brand: CEN

PREN 847-2 : DRAFT 2016

Superseded

TOOLS FOR WOODWORKING - SAFETY REQUIREMENTS - PART 2: REQUIREMENTS FOR THE SHANK OF SHANK MOUNTED MILLING TOOLS/CIRCULAR SAW BLADES

Superseded date

11-01-2017

Published date

01-12-2013

Publisher

Comite Europeen de Normalisation

European foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 List of significant hazards
5 Safety requirements
6 Marking of tools with cylindrical shank
Annex A (informative) - Examples of calculation
Annex B (normative) - Method of measuring the
eccentricity at clamping devices
Annex C (informative) - Recommended minimum
clamping forces
Bibliography

Describes the determination of the maximum speed for given eccentricity at clamping devices for the shank strength of milling tools with cylindrical and taper shank.

Committee	TC 142
DocumentType	Draft
PublisherName	Comite Europeen de Normalisation
Status	Superseded
SupersededBy	EN 847-2:2017

Standards	Relationship
16/30340566 DC : 0	Identical
11/30248444 DC : 0	Identical

ISO 7388-2:2007	Tool shanks with 7/24 taper for automatic tool changers — Part 2: Dimensions and designation of shanks of forms J, JD and JF
ISO 297:1988	7/24 tapers for tool shanks for manual changing
ISO 12100:2010	Safety of machinery — General principles for design — Risk assessment and risk reduction
ISO 7388-1:2007	Tool shanks with 7/24 taper for automatic tool changers Part 1: Dimensions and designation of shanks of forms A, AD, AF, U, UD and UF
ISO 12164-1:2001	Hollow taper interface with flange contact surface — Part 1: Shanks — Dimensions
EN ISO 12100:2010	Safety of machinery - General principles for design - Risk assessment and risk reduction (ISO 12100:2010)
PREN 847-1 : DRAFT 2016	TOOLS FOR WOODWORKING MACHINES - SAFETY REQUIREMENTS - PART 1: MILLING TOOLS, CIRCULAR SAW BLADES