ISO 21876:2020
Machinery for forestry — Saw chain shot protective windows — Test method and performance criteria
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.
| Get this standard | Prices exclude GST | |
|---|---|---|
| PDF ( Single user document) |
$118.26 NZD
|
|
| HardCopy |
$152.17 NZD
|
|
| Networkable PDF |
Price varies
|
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Test equipment
5 Cutting attachment
5.1 Guide bar
5.2 Chain speed
5.3 Saw chain
6 Test samples and pre-conditioning
6.1 Test samples
6.2 Test temperature
7 Pre-calibration of test arrangement
8 Set up of window test sample in test rig
9 Test procedure
10 Total number of test runs
11 Performance requirements
12 Labelling
13 Test report
Annex A (normative) Saw chain stopping device
Bibliography
Keep me up-to-date
Register to receive notifications when updates are made to this standard.
Related Information
Similar Standards
-
AS/NZS 3576:1998
Clearing saws, brushcutters and grass trimmers - Guide to safe working practices
-
BS 6916-2:1996
Chain saws, Technical data
-
BS 6916-9:1988
Chain saws, Specification for strength of handles
-
BS 7705:1993
Specification for brake systems for special wheeled forestry machines
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Test equipment
5 Cutting attachment
5.1 Guide bar
5.2 Chain speed
5.3 Saw chain
6 Test samples and pre-conditioning
6.1 Test samples
6.2 Test temperature
7 Pre-calibration of test arrangement
8 Set up of window test sample in test rig
9 Test procedure
10 Total number of test runs
11 Performance requirements
12 Labelling
13 Test report
Annex A (normative) Saw chain stopping device
Bibliography