PREN 1807-2 : DRAFT 2009

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
   3.1 General
   3.2 Definitions
   3.3 Terminology
4 List of significant hazards
5 Safety requirements and/or measures
   5.1 General
   5.2 Controls
        5.2.1 Safety and reliability of control systems
        5.2.2 Position of controls
        5.2.3 Starting
        5.2.4 Normal stopping
        5.2.5 Emergency stop
        5.2.6 Tracking mode
        5.2.7 Mode selection
        5.2.8 Speed changing/monitoring/detection
        5.2.9 Control duplication
        5.2.10 Failure of the power supply
        5.2.11 Failure of the control circuits
   5.3 Protection against mechanical hazards
        5.3.1 Stability
        5.3.2 Risk of break-up during operation
        5.3.3 Saw blade holder and saw blade design
        5.3.4 Braking
        5.3.5 Devices to minimise the possibility or the
               effect of ejection
        5.3.6 Workpiece supports and guides
        5.3.7 Prevention of access to moving parts
        5.3.8 Dogging
   5.4 Protection against non-mechanical hazards
        5.4.1 Fire
        5.4.2 Noise
        5.4.3 Emission of chips and dust
        5.4.4 Electricity
        5.4.5 Ergonomics and handling
        5.4.6 Pneumatics
        5.4.7 Hydraulics
        5.4.8 Vibration
        5.4.9 Electromagnetic compatibility
        5.4.10 Laser
        5.4.11 Static electricity
        5.4.12 Errors of fitting
        5.4.13 Supply disconnection (Isolation)
        5.4.14 Maintenance
6 Information for use
   6.1 General
   6.2 Marking
   6.3 Instruction handbook
Annex A (normative) - Test for adjustable guard over cutting
        area of saw blade
   A.1 Horizontal machines
   A.2 Vertical machines
Annex B (normative) - Operating conditions for noise emission
        measurement
   B.1 Log band saws
   B.2 General data sheet
Annex C (normative) - Impact test method for guards
   C.1 General
   C.2 Test method
        C.2.1 Preliminary remarks
        C.2.2 Testing equipment
        C.2.3 Projectile for guards
        C.2.4 Sampling
        C.2.5 Test procedure
   C.3 Results
   C.4 Assessment
   C.5 Test report
   C.6 Test equipment for impact test
Annex D (informative) - Use of well tried components
Annex E (normative) - Braking tests
   E.1 Conditions for all tests
   E.2 Tests
        E.2.1 Unbraked run-down time
        E.2.2 Run-up time
        E.2.3 Braked run-down time
Annex F (normative) - Use of electronic components
   F.1 General
   F.2 SRECS
        F.2.1 Components, Hardware
        F.2.2 Safety related software
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
Bibliography

Specifies the significant hazards, hazardous situations and events which are relevant to stationary and displaceable log band sawing machines with either manual or automatic loading and/or unloading, hereinafter referred to as "machines", designed to cut solid wood, when they are used as intended and under the conditions foreseen by the manufacturer.