Walker Magnetics TURBOMILL 40B - Manual (Page 3)

O.S. WALKER Co. Inc., Turbomill Electroperm Chucks
DD15508M.doc Rev. ~, September 17, 2002
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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