PREN ISO 28927-4 : DRAFT 2009

Foreword
Introduction
1 Scope
2 Normative references
3 Terms, definitions and symbols
   3.1 General
   3.2 Terms and definitions
   3.3 Symbols
4 Basic standards and vibration test codes
5 Description of the family of tools covered by
   this standard
6 Characterisation of vibration
   6.1 Direction of measurement
   6.2 Location of measurements
   6.3 Magnitude of vibration
   6.4 Combination of vibration directions
7 Instrumentation requirements
   7.1 General
   7.2 Mounting of transducers
        7.2.1 Specification of transducer
        7.2.2 Fastening of transducers
   7.3 Frequency weighting filter
   7.4 Integration time
   7.5 Auxiliary equipment
   7.6 Calibration
8 Testing and operating conditions of the machinery
   8.1 General
   8.2 Operating conditions
        8.2.1 Pneumatic machines
        8.2.2 Hydraulic machines
        8.2.3 Electrical machines
   8.3 Other quantities to be specified
   8.4 Attached equipment, work piece and task
        8.4.1 Test wheel
        8.4.2 Feed force
        8.4.3 Test procedure
   8.5 Operator
9 Measurement procedure and validity
   9.1 Reported vibration values
   9.2 Declaration and verification of the vibration
        emission value
10 Measurement report
Annex A (informative) - Model test report for vibration
        emission of angle and vertical grinders
Annex B (normative) - Determination of the uncertainty K
  B.1 Test on single machines
  B.2 Tests on batches of machines
Annex C (normative) - Design of aluminium test wheels
  C.1 General
  C.2 Basic geometry of aluminium test wheels
      C.2.1 Type 1 Straight test wheels
      C.2.2 Type 18 Cone test wheels
  C.3 Unbalance holes
      C.3.1 Type 1 straight test wheels
      C.3.2 Type 18 cone test wheel
  C.4 Bushings for type 1 test wheels
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

Defines a laboratory method for measuring hand-transmitted vibration emission at the handles of straight grinders.