User guide
O.S. WALKER Co. Inc., Turbomill Electroperm Chucks
DD15508M.doc Rev. ~, September 17, 2002
i
TABLE OF CONTENTS
1 INTRODUCTION...............................................................................................................................................................1-1
2 SAFETY INSTRUCTIONS................................................................................................................................................2-1
2.1 G
ENERAL
S
AFETY
R
ULES
.............................................................................................................................................2-1
2.2 R
ECOGNIZE
S
AFETY
I
NFORMATION
...............................................................................................................................2-2
2.2.1 Ways to Avoid a Reduction of Holding Capacity................................................................................................2-2
2.2.2 Additional Warnings ...........................................................................................................................................2-3
2.3 D
ESIGNATED
P
ERSON
..................................................................................................................................................2-3
2.4 E
LECTRICAL
G
ROUND
..................................................................................................................................................2-4
3 INSTALLATION INSTRUCTIONS FOR MOUNTING THE CHUCK................................................................................3-1
3.1 G
RINDING THE
M
OUNTING
S
URFACES OF
R
ECTANGULAR
C
HUCKS
..................................................................................3-1
3.1.1 Connecting the Chuck........................................................................................................................................3-2
4 OPERATING INSTRUCTIONS.........................................................................................................................................4-1
4.1 S
YSTEM
O
PERATION
....................................................................................................................................................4-1
4.2 I
MPORTANT
F
ACTS ABOUT
M
AGNETIC
H
OLDING
.............................................................................................................4-1
4.3 S
URFACE
C
ONDITIONS
.................................................................................................................................................4-1
4.3.1 Magnetic Chuck Surface Condition....................................................................................................................4-1
4.3.2 Workpiece Surface Condition.............................................................................................................................4-2
4.3.3 Workpiece Thickness .........................................................................................................................................4-2
4.3.4 Portion of the Chuck Surface In Contact With the Workpiece ...........................................................................4-2
4.3.5 Workpiece Material.............................................................................................................................................4-2
4.4 G
UIDELINES FOR THE
R
EDUCTION OF
R
ATED
H
OLDING
C
APACITY
...................................................................................4-3
4.5 T
HE
B
ASICS OF
M
AGNETIC
A
TTRACTION
........................................................................................................................4-3
4.5.1 Principles of Magnetic Work Holding..................................................................................................................4-4
4.6 F
ORCES
G
ENERATED BY
M
ILLING
.................................................................................................................................4-5
4.6.1 Conventional Milling ...........................................................................................................................................4-5
4.6.2 Climb Milling .......................................................................................................................................................4-6
4.6.3 Face Milling ........................................................................................................................................................4-7
4.6.4 Edge Milling........................................................................................................................................................4-8
4.7
W
ORKPIECE
B
LOCKING
.................................................................................................................................................4-9
4.8 M
ILD
S
TEEL
P
OLE
R
ISER
............................................................................................................................................4-12
4.8.1 How to Use Riser Blocks..................................................................................................................................4-13
5 INSPECTION AND MAINTENANCE INSTRUCTIONS ...................................................................................................5-1
5.1 D
AILY
I
NSPECTION
.......................................................................................................................................................5-1
5.2 R
EPLACEMENT
P
ARTS
L
IST
...........................................................................................................................................5-1
6 RETURN AND REPAIR INSTRUCTIONS........................................................................................................................6-1