BS ISO 11837:2011
$102.76
Machinery for forestry. Saw chain shot guarding systems. Test method and performance criteria
| Published By | Publication Date | Number of Pages |
| BSI | 2011 | 20 |
This International Standard specifies performance requirements and a corresponding test method for saw chain shot guarding systems on the harvester heads and grip saws of forestry machines.
It is applicable only to saw chain breakage on the cutting side of the guide bar.
NOTE Other test methods and test apparatus can be used if shown to give equivalent performance results.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 6 | Foreword |
| 7 | Introduction |
| 9 | 1 Scope 2 Terms and definitions |
| 10 | 3 Test equipment 3.1 Test apparatus 3.2 Drive unit 3.3 Saw chain speed control 3.4 Drive shaft speed measurement 3.5 Saw chain tensioning system 3.6 Saw chain lubrication system 3.7 Saw chain stopping device 3.8 Protective cover 4 Cutting attachment 4.1 Guide bar |
| 11 | 4.2 Drive sprocket 4.3 Saw chain 5 Reference panels 6 Pre-calibration of test arrangement |
| 12 | 7 Assembly of saw chain shot guarding system in test rig 7.1 Position 7.2 Alternative positions |
| 13 | 7.3 Obstacles 8 Test procedure |
| 14 | 9 Total number of test runs 10 Performance requirements 11 Test report |
| 16 | Annex A (normative) Saw chain stopping device |
