Table of Contents
INTRODUCTION ...............................................3
Machine description ......................................3
Contact info....................................................3
Manual Accuracy ...........................................3
Front View identification ................................4
Model g0747 headstock identification ..........5
Model g0748 headstock identification ..........6
g0747 Machine data sheet ..........................7
g0748 Machine data sheet ..........................9
SECTION 1: SAFETy .....................................11
safety instructions for Machinery ................11
Additional safety for Milling Machines .........13
SECTION 2: POWER SUPPLy ......................14
Availability .........................................................14
Full-load Current rating ..................................14
Circuit requirements for 220V ..........................14
grounding instructions ......................................15
extension Cords ................................................15
SECTION 3: SETUP .......................................16
unpacking ....................................................16
needed for setup .........................................16
inventory ......................................................17
Cleanup ........................................................18
site Considerations ......................................19
lifting & placing ...........................................20
leveling & Mounting ....................................21
leveling .............................................................21
Bolting to Concrete Floors ................................21
Machine Mounts ................................................21
Assembly .....................................................22
initial lubrication ..........................................22
test run ......................................................23
Mill test run .....................................................23
power Feed test run .......................................24
spindle Break-in ..........................................25
inspections & Adjustments ..........................25
SECTION 4: OPERATIONS ...........................26
operation overview .....................................26
table Movement ..........................................27
graduated index rings .....................................27
table locks .......................................................27
X-Axis power Feed identification ......................28
X-Axis power Feed operation ..........................29
head Movement...........................................29
tilting head Forward/Backward ........................30
rotating head left/right ..................................30
ram Movement............................................31
Moving ram Forward/Backward .......................31
rotating ram ....................................................31
spindle speed..............................................32
determining spindle speed ..............................32
setting Model g0747 spindle speed ...............33
setting Model g0748 spindle speed ...............35
spindle downfeed ........................................36
downfeed Controls ...........................................36
Coarse downfeed .............................................37
Fine downfeed ..................................................37
Auto-downfeed .................................................38
spindle Brake...............................................39
loading/unloading tooling ..........................40
loading tooling ................................................40
unloading tooling .............................................40
SECTION 5: ACCESSORIES .........................41
SECTION 6: MAINTENANCE .........................43
schedule ......................................................43
ongoing ............................................................43
Before Beginning operations ............................43
daily, After operations ......................................43
Cleaning & protecting ..................................43
lubrication ...................................................44
Quill ...................................................................44
table Ways (one-shot oiler) ...........................45
headstock gearing ...........................................45
ram Ways ........................................................46
head tilt & ram pinions ..................................46
table elevation leadscrew ...............................46
power Feed gears ............................................47
Machine storage ..........................................48