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6" ACME GRIDLEY RPA-8 AUTOMATIC CHUCKING MACHINE

Automatics and Screw Machines
Manufacturer:
ACME GRIDLEY
Model:
RPA-8
Year:
1953
Stock #:
2201
6" ACME GRIDLEY RPA-8 AUTOMATIC CHUCKING MACHINE

Single index
Nominal chuck O.D. (maximum swing) 6"
Maximum toolslide travels
End toolslide 7"
Lower cross slides 4 1/2"
Spindle speed range
Maximum 947 RPM
Minimum 71 RPM
Idle time 3.1 seconds
Approximate weight 30,000 lbs.

MOTOR SPECIFICATIONS

40 HP 3/60/220/440 A/C Main drive motor & controls
2 HP 3/60/220/440 Coolant pump motor
1.5 HP 3/60/220/440 Hydraulic motor
1/3 HP 3/60/230/460 Chip conveyor motor

Four independently operated cross slides - 3rd, 4th, 7th & 8th
positions
Eight (8) Namco 3-Jaw chucks
Double universal air/electric trip threading attachments - 7th
& 8th positions
High speed drilling drive unit - 3rd position
Individually motorized flat type chip conveyor
One Versatool die head
Five (5) end slide tool holders - hinged type
Individually motorized outside coolant pump & piping
One (1) set of cams & gears
Miscellaneous feed & speed change gears
Splash guards

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