EN 792-7:2001+A1:2008

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
  3.1 General terms and definitions
  3.2 Terms and definitions related to grinders
4 List of significant hazards
5 Safety requirements and measures
  5.1 Mechanical safety
  5.2 Thermal safety
  5.3 Noise
  5.4 Vibration
  5.5 Materials and substances processed, used or exhausted
  5.6 Ergonomics
  5.7 Safety related measures and means
6 Information for use
  6.1 Marking, signs and written warnings
  6.2 Instruction for use
7 Verification
  7.1 Noise
  7.2 Vibration
  7.3 Test of deformation of flanges
  7.4 Test of guards
  7.5 Unintentional start
  7.6 Structure of verification of safety requirements
Annex A (informative) Examples of grinders covered by this
        standard
Annex B (informative) Symbols for labels and signs
Annex C (informative) List of abrasive products for hand-held
        grinders
Annex D (normative) Design, material and thickness of guards
Annex E (informative) Example of calculating procedure of
        clamping force
Annex F (informative) Example of flanges
Annex ZA (informative) Relationship between this European
         Standard and the Essential Requirements of EU
         Directive 98/37/EC
Annex ZB (informative) Relationship between this European
         Standard and the Essential Requirements of EU
         Directive 2006/42/EC
Bibliography

This European Standard applies to hand-held non-electric power tools driven by rotary or linear motors, powered by compressed air or hydraulic fluid and intended to be used by one operator and supported by:-the operator's hand or hands;-a harness;-a suspension, e.g. a balancer.This European Standard applies to hand-held non-electric power tools intended for grinding and cutting-off, with bonded, coated and super abrasive products for use on all kinds of materials.This European Standard lists the significant hazards caused by such power tools and specifies safety requirements valid for different aspects of safety during their foreseeable lifetime.This part of the standard covers power tools used with:-abrasive products with a peripheral operating speed less than or equal to 80 m/s;-cutting-off wheels with a peripheral operating speed less than or equal to100 m/s;-abrasive products with outside nominal diameter less than or equal to 230 mm;-cutting-off wheels with outside nominal diameter less than or equal to 300 mm;-wire brushes.This Part of the standard does not apply to:-die grinders with collets which are treated in EN 792-9;-polishers and sanders which are treated in EN 792-8;-cutting-off machines used for construction, rescue purposes which are driven by an internal combustion engine which are treated in EN 1454.There are no grinders covered by this Part of this European Standard driven by internal combustion engines.Typical abrasive products used together with hand-held grinders are listed in annex C.Special requirements and modifications on a hand-held power tool for the purpose of mounting it in a fixture are not covered by this part.NOTEAt the date of publication no grinders driven by internal combustion engines are known.