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8" RPA-8 ACME GRIDLEY 8-SPINDLE AUTOMATIC CHUCKING

Automatics and Screw Machines
Manufacturer:
MISC.
Model:
RPA-8
Year:
1954
Stock #:
1052
8" RPA-8 ACME GRIDLEY 8-SPINDLE AUTOMATIC CHUCKING

Double index
Nominal OD of chuck (maximum swing) 8"
Maximum travel of tool slides
End tool slide - standard 7"
Cross slides - standard 3-1/2"
Range of standard spindle speeds
Maximum 730 RPM
Minimum 55 RPM
Drive pulley 875 RPM
Standard threading speeds compared with
work spindle speeds
Right hand (slower than work spindle) .152
Left hand or back off (faster than
work spindle) .480
Approximate weight 37,900 lbs.

MOTOR SPECIFICATIONS

AC Main drive motor & controls

Six (6) independently operated cross slides
Six (6) hinged type main slide tool holders
Miscellaneous set of cams and gears
Eight (8) 8" 3-Jaw chucks
Individually motorized outside coolant pump & piping
Splash guards
*PRESENTLY IN TRANSIT TO OUR WAREHOUSE

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