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