... straight-sided splines. BS 2059 was prepared on the hole basis, the
hole being the constant member, and provide for different fits to be obtained by varying the
size of the splined or serrated shaft. Part ... diagram
described. The calculations are shown in detail so that if equations are programmed for a
digital computer, the results can be verified easily. Obviously, the intermediate poin...
... grinding which may be described as
through-feed, in-feed, and end-feed methods.
Through-feed Method of Grinding.—The through-feed method is applied to straight
cylindrical parts. The work is given ... from the edge, dressing the edge to a slight radius, or swivel-
ing the regulating wheel a bit.
Scored work is caused by burrs, abrasive grains, or removed material being imbedded in
or fused to...
...
Fig. 24. Hemmed “S” Slip
This is the modified “S” slip, by adding hem and an angle for
reinforcing. The hem edge is a flat, and finished edge. Hemmed
“S” slip is mostly applied with angle. ... be made for the cut-out part to be supported when it is freed
from the workpiece so that it does not pinch and break the wire.
EDM applied to grinding machines is termed EDG. The process uses a ......
... ANSI B1.11–1958 (R2001) is
based on the withdrawn ASA Truncated Whitworth standard, dimensional nomenclature
is described below.
Machinery's Handbook 27th Edition
Copyright 2004, Industrial ... Handbook 27th Edition
Copyright 2004, Industrial Press, Inc., New York, NY
1894 MEASURING SCREW THREADS
eter may be determined. The cone-shaped point of the measuring screw is slightly rou...
... inches===
Volume V 3 .141 6hR
2
r
2
–()0.7854hD
2
d
2
–()== =
3 .141 6ht 2Rt–()3 .141 6ht D t–()==
3 .141 6ht 2rt+()3 .141 6ht d t+()==
3 .141 6ht R r+()1.5708ht D d+()==
V 3 .141 6ht D t–()3 .141 6 28× 436 4–()× 3 .141 6 28× ... E. Green, as editor emeritus, contributed much useful, well organized mate-
rial to this edition. He also provided invaluable practical guidance to the editorial sta...
... occur.
Diameter Reduction: The inside diameter reduces during deflection. This reduction
should be computed and proper clearance provided over the supporting rod. Also, allow-
ances should be considered for ... customarily
furnished. Regular lay rope has less tendency to spin or untwist when placed under load
and is generally selected where long ropes are employed and the loads handled are fr...
... hardness
………1800–1900
5143 0 430 …
140 0–1500
c
…… ……
5143 0F
d
……
1250 140 0
c
…… ……
5143 1 431 …
1150–1225
b
… 1800–1950 Oil or air To desired hardness
5143 4 …
} …
140 0–1600
c
…… ……
5143 6 …
5144 0A
d
440A
d
}
…
1350 144 0
b
1550–1650 ... F)
Quenching
Medium Temper
5140 9 …… … 1625 … Air …
5141 0 410 …
1300–1350
b
b
Usually air cooled but may be furnace cooled.
1500–1650 …
} O...