UNI EN 381-1 : 1994
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
PROTECTIVE CLOTHING FOR USERS OF HAND-HELD CHAIN SAWS - TEST RIG FOR TESTING RESISTANCE TO CUTTING BY A CHAIN SAW
19-08-2022
01-01-1994
Cooperating organizations
National foreword
Foreword
0. Introduction
1. Scope
2. Normative references
3. Definitions
3.1 Chain saw
3.2 Resistance of cutting
3.3 Cut-through
3.4 Chain stopping time
3.5 Free-running stopping time
3.6 Threshold chain speed
3.7 Chain slipping
3.8 Clogging
3.9 Chain braking
3.10 Cutting line
4. Principles
5. Apparatus
5.1 Major components of test rig
5.2 Power unit and connecting device
5.3 Saw unit
5.4 Moment of inertia
5.5 Calibration pad mount
6. Calibration materials
6.1 Calibration pads
6.2 Control of calibration pads
6.3 Other calibration
7. Calibration of the test rig
7.1 Introduction
7.2 Starting up the rig
7.3 Free-running stopping time
7.4 Measurement of chain speed
7.5 Calibration with clogging material (pads)
Annex A (informative) Supplementary information on
calibration pads
Annex B (informative) Cutting in plastic bar
National annexes
NA (informative) Committees responsible
NB (informative) Cross-references
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