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SEMI S8-0705 © SEMI 1995, 2005 22 APPENDIX 3 HANDLE DESIGN DIAGRAMS NOTICE : The material in this appendix is an official part of SEMI S8 and was approved by full letter ballot procedures by the No rth American Re gional…

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SEMI S8-0705 © SEMI 1995, 2005 21
Table A2-2 Two Hand Lift/Lower Manual Material Handling Analysis Documentation
NIOSH Analysis
Horizontal
(origin)
Horizontal
(destination)
Vertical Distance Asymmetry
(origin)
Asymmetry
(destination)
Frequency Duration Coupling
measure measure measure measure measure measure measure measure measure
multiplier multiplier multiplier multiplier multiplier multiplier multiplier multiplier multiplier
Precision
placement
req.
Recom-
mended
weight limit
Lifting index
Psychophysical Analysis
Box size Range of
lift
Frequency MAWL
Headroom
limitation
Load
clearance
Load
asymmetry
Asymmetry Work
duration
Coupling Adjusted
MAWL
Lifting
index
measure measure measure measure measure measure
multiplier multiplier multiplier multiplier multiplier multiplier
Conclusions
one person lift Recommended
weight limit
Lifting index two person lift Recommended
weight limit
Lifting index
SEMI S8-0705 © SEMI 1995, 2005 22
APPENDIX 3
HANDLE DESIGN DIAGRAMS
NOTICE: The material in this appendix is an official part of SEMI S8 and was approved by full letter ballot
procedures by the North American Regional Standards Committee.
A3-1 Handle Design
A3-1.1 The following diagrams are intended to clarify the criteria described in §6 of Appendix 1.
A3-1.1.1 Cylindrical Handle
Figure A3-1
Cylindrical Handle
D - Handle diameter
L - Handle length
A3-1.1.2 Circular Handle, or Triangular Handle
Figure A3-2
Circular Handle, or Triangular Handle
D - Handle diameter
H - Handle height (thickness)
A3-1.1.3 Pliers Handle
Figure A3-3
Pliers Handle
L - Handle length
S - Handle grip span
SEMI S8-0705 © SEMI 1995, 2005 23
A3-1.1.4 Pistol Grip Handle
Figure A3-4
Pistol Grip Handle
D - Handle diameter
L - Handle length
A3-1.1.5 Enclosed Handle
Figure A3-5
Enclosed Handle
D - Handle depth
W - Handle width
d - Handle diameter
A3-1.1.6 Hook Grasp Handle, or Finger Pull Handle
Figure A3-6
Hook Grasp Handle, or Finger Pull Handle
W - Handle opening width
L - Handle opening length
l - Handle lip length
d - Handle depth