MEAM 150 Fundamentals of Mechanical Prototyping the lathe 1 © 2009, Jonathan Fiene, University of Pennsylvania
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MEAM 150Fundamentals of Mechanical Prototyping
the lathe1© 2009, Jonathan Fiene, University of Pennsylvania
title
our lathes
2© 2009, Jonathan Fiene, University of Pennsylvania
some terminology
3© 2009, Jonathan Fiene, University of Pennsylvania
workholding
4© 2009, Jonathan Fiene, University of Pennsylvania
title collet
5© 2009, Jonathan Fiene, University of Pennsylvania
title
6© 2009, Jonathan Fiene, University of Pennsylvania
chuck
7© 2009, Jonathan Fiene, University of Pennsylvania
title
8© 2009, Jonathan Fiene, University of Pennsylvania
tooling
9© 2009, Jonathan Fiene, University of Pennsylvania
tool post
10© 2009, Jonathan Fiene, University of Pennsylvania
title
11© 2009, Jonathan Fiene, University of Pennsylvania
title
12© 2009, Jonathan Fiene, University of Pennsylvania
ground hss
carbide insert
turning & facing
13© 2009, Jonathan Fiene, University of Pennsylvania
parting off
14© 2009, Jonathan Fiene, University of Pennsylvania
boring
15© 2009, Jonathan Fiene, University of Pennsylvania
tailstock
16© 2009, Jonathan Fiene, University of Pennsylvania
drilling, tapping, etc.
image: http://www.frets.com/HomeShopTech
17© 2009, Jonathan Fiene, University of Pennsylvania
feeds & speeds
18© 2009, Jonathan Fiene, University of Pennsylvania
spindle speed
part diameter
4 x cutting speed
spindle speed =
gives
spindle speed in RPM
for
cutting speed in feet per minute (FPM)
and
part diameter in inches
19© 2009, Jonathan Fiene, University of Pennsylvania
feed rate
0.005” per revolution for roughing
0.001-0.002” per revolution for finishing
20© 2009, Jonathan Fiene, University of Pennsylvania
sequence guidelines
sequencing
21© 2009, Jonathan Fiene, University of Pennsylvania
A
A
1.000.125
.334
.125
.188
Approx ( .686)
.0938 Slip Fit
.0935 Press Fit SECTION A-A
SCALE 2 : 1
Note: Fit .686 dia to ID of cylinder barrel for slip fit
.005
60.00°
.125
DETAIL B SCALE 8 : 1
Note: .125 spacing from center to center. 5X
BDO NOT SCALE DRAWING
Piston
SHEET 1 OF 1
2/24AT
UNLESS OTHERWISE SPECIFIED:
SCALE: 2:1
REVDWG. NO.
ASIZE
TITLE:
NAME DATE
COMMENTS:
Q.A.
MFG APPR.
ENG APPR.
REVISED
DRAWN
Lathe/Mill
AL - 6061 T6FINISH
MATERIAL
INTERPRET GEOMETRICTOLERANCING PER:
DIMENSIONS ARE IN INCHESTOLERANCES:ANGULAR: MACH 1 BEND TWO PLACE DECIMAL .01THREE PLACE DECIMAL .005FOUR PLACE DECIMAL .0005FRACTIONAL 1/64
APPLICATION
USED ONNEXT ASSY
PROPRIETARY AND CONFIDENTIAL
THE INFORMATION CONTAINED IN THISDRAWING IS THE SOLE PROPERTY OFthe University of Pennsylvania. ANY REPRODUCTION IN PART OR AS A WHOLEWITHOUT THE WRITTEN PERMISSION OFUpenn IS PROHIBITED.
5 4 3 2 1
5
AT 2/27
22© 2009, Jonathan Fiene, University of Pennsylvania
collet blocks
image: http://www.frets.com/HomeShopTech
23© 2009, Jonathan Fiene, University of Pennsylvania
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