BS ISO 21876:2020
$102.76
Machinery for forestry. Saw chain shot protective windows. Test method and performance criteria
| Published By | Publication Date | Number of Pages |
| BSI | 2020 | 22 |
This document specifies a test method and corresponding performance requirements for saw chain shot protective windows on forestry machines equipped with a chain saw for cutting, harvesting or processing as defined in ISO 6814. It also applies to machines that have been modified to perform cutting, harvesting or processing (such as excavator) with a chain saw cutting attachment.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 2 | undefined |
| 6 | Foreword |
| 7 | Introduction |
| 9 | 1 Scope 2 Normative references 3 Terms and definitions |
| 10 | 4 Test equipment |
| 11 | 5 Cutting attachment 5.1 Guide bar 5.2 Chain speed |
| 12 | 5.3 Saw chain 6 Test samples and pre-conditioning 6.1 Test samples 6.2 Test temperature |
| 13 | 7 Pre-calibration of test arrangement 8 Set up of window test sample in test rig |
| 14 | 9 Test procedure |
| 15 | 10 Total number of test runs |
| 16 | 11 Performance requirements 12 Labelling 13 Test report |
| 18 | Annex A (normative) Saw chain stopping device |
| 20 | Bibliography |
