AS 1359.47-1988

1 - AS 1359.47-1988 ROTATING ELECTRICAL MACHINES - GENERAL REQUIREMENTS - BRUSHES AND BRUSH-HOLDERS - DIMENSIONS
4 - PREFACE
5 - CONTENTS
6 - 1. Scope
6 - 2. Letter symbols for the principal dimensions of brushes for cylindrical commutators and slip rings
6 - 3. Standard dimensions
7 - 4. Marking
8 - 5. Limits and tolerances on principal dimensions t and a of the carbon brushes and brush-holders and on dimension r of carbon
10 - 6. Recommended combinations of the principal dimensions t, a and r
14 - 7. Complementary dimensions of brushes
14 - 7.1 Chamfers for brushes
15 - 7.2 Angles for contact and top bevels
15 - 7.3 Pressure area
17 - 7.4 Depth of insertion q of the flexible (shunt) in the brush
20 - 7.5 Safe length of a worn brush, dimension rm
21 - 8. Terminations of brushes
21 - 8.1 Terminal types, slots or holes and suitable screw sizes also the thickness of metal for spade, flag and double shoe terminals - Box or tubular terminals
21 - 8.2 Spade terminals
22 - 8.3 Flag terminals
22 - 8.4 Double shoe terminals
23 - 8.5 Box or tubular terminals
24 - 8.6 Length of flexibles (shunts)
25 - 8.7 Details of flexibles (shunts)
25 - 8.8 Current capacity and minimum thickness of terminals
27 - APPENDIX A - DETAILS OF BRUSH-HOLDERS
27 - A1. Scope
27 - A2. Serrations on fixing face of the brush-holder
28 - A3. Dimensions of the inside of the brush-box and plug gauge chamfer
31 - APPENDIX B
32 - APPENDIX C - TEST PROCEDURES FOR DETERMINING PHYSICAL PROPERTIES OF CARBON BRUSHES FOR ELECTRICAL MACHINES
32 - C1. Equipment
33 - C2. Test procedure
34 - C3. Calculation
34 - C4. Equipment
35 - C5. Test procedure

Specifies principal dimensions and tolerances for carbon brushes (including their terminations) and brush-holders for cylindrical commutators and slip-rings.

This standard applies to brushes and brush-holders for electrical machinery. For the present it applies only to brushes and brush-holders for cylindrical commutators and slip rings.

First published as AS C43-1927.
Second edition 1957 (endorsement of BS 96:1954 without amendment).
Revised and redesignated AS 1359.47-1988.