CAMPBELL MODEL AS48-60-18D 8-AXIS PRECISION UNIVERSAL

S

Worktable
1. Worktable will be 48"precision table with 8 tee-slots for "full circ
le"
rotational grinding.
2. Above unit will provide maximum 60" swing clearance
3. Lubrication access and coolant shielding will be provided
4. Rotational mode will provide variable speed from 0 to 40 RPM
Grinding Spindles
1. Reversible precisin pope spindles will be interchangeable for ease o
f
maintenance
2. The spindle will be precision balanced, and arranged for mounting he
avy-
duty wheel dresser
3. Grinding wheel spindle run-out and caming shall not exceed .002" T.I
.R. with
wheel in place either perpendicular to the base or set off at any ang
le
4. Spindle design will enable the use of 12" diameter grinding wheels,
with
wheel lift to 5" diameter
5. Drive motors are 10 HP, 1755 RPM, Optional variable speed was provid
ed
Grinding wheel dresser
1. Latest diamond roll dresser is of rigid design and provides error pr
oof
infeed control through precision servo motors
2. Precise infeed adjustment variable from .0001 to .005"/dress with "p
ause"
3. Units will facilitate 1-1/4" stack of 4" diameter diamond rolls
4. Dresser will incorporate wheel guard to enclose 180 deg. of grinding
wheel
for operator safety
5. Positive hydraulic drive for diamond roll spindle
Horizontal Slides
1. Electronic servo motor provides positioning control Jog direction i
s
revers
2. Traverse rate is 40" per minute
3. Horizontal slid movement is 40" (38" from table center to outboard p
osition)
and shall be parrallel to table surface within .002" across table ra
dius
4. Preloaded ball screw will be used for accuracy and stiffness
Vertical Slides
1. The vertical slide movement shall be 21" and shall not deviate from
a straight
line perpendicular to the worktable by more than .001" at the side a
n .002"
at the front
2. Vertical position controlled by electronic servo motor
3. Preloaded ball actuator screws will be used for accuracy and stiffne
ss
4. All slide way shall be provided with adjustable gibs, dowelled in lo
cation
individually lubricated and adjusted by set screw
Cont.on

Angle Slides
1. Grinding spindle will be mounted to angle slide
2. Angle slide will have variable feed capability in pulse increments o
f .0001"
to 020" per minute, by electric motor
3. Automatic sequencing from coarse to fine feed by controller
4. Traverse rate will be 10 IPM
5. Slide will swivel +or 90 deg. from vertical
6. Total slide travel will be 6"
7. Attached dresser will dress wheel during the grind cycle to eliminat
e dressing
8. Automatic compensation will maintain correct zero position whenever
dress
occurs
Control System (Angle Slide)
1. Modern programmable CNC and electronic motor drives will provide com
pact and
and trouble-free solid state control system
2. System will provide precise zero stop function and retract to start
position
Auxiliary positions can be programmed to change feed rate, initiate
dress,
or whatever other functions might be desired
3. Indicating lights will provide operator reference as to cycle positi
on
4. Visual displays will show wheel position form "zero", as well as, ho
rizontal
and vertical slide locations
Coolant
1. The coolant system shall have a capacity of 150 gallons of coolant a
nd be