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Fundamentals of Machining Processes, 2nd Edition
book

Fundamentals of Machining Processes, 2nd Edition

by Hassan Abdel-Gawad El-Hofy
August 2013
Beginner to intermediate content levelBeginner to intermediate
562 pages
16h 1m
English
CRC Press
Content preview from Fundamentals of Machining Processes, 2nd Edition
310 Fundamentals of Machining Processes
The volumetric removal rate from the workpiece due to the hammering
mechanism VRR
h
can be evaluated as
VRRkkk
aF
kj
df
h
tav
w
ar
=
+
123
4
21σπ ()
j
h
h
==
t
w
w
t
σ
σ
The computational results of Jain (2004) showed that
VRRVRR
hth
>>
where
h
h
is the depth of penetration due to grit hammering in mm
f
r
is the frequency of tool oscillation in 1/s
σ
t
is the mean stress acting upon the tool in N/mm
2
ρ
a
is the density of abrasive grits in g/cm
3
σ
w
is the mean stress acting upon workpiece surface in N/mm
2
F
av
is the mean force on the grit in N
10.1.2 Solved Example
Calculate the USM time required for a hole of diameter 6 mm in tungsten ...
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Publisher Resources

ISBN: 9781466577022