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2-5/8" ACME GRIDLEY RB-8 AUTOMATIC SCREW MACHINE

Automatics and Screw Machines
Manufacturer:
ACME GRIDLEY
Model:
RB-8
Year:
1952
Stock #:
1729
2-5/8" ACME GRIDLEY RB-8 AUTOMATIC SCREW MACHINE

Maximum collet capacity
Round 2 5/8"
Square 1 27/32"
Hexagon 2 17/64"
Maximum length standard
Stock feed 10"
Turning 8"
Spindle speed range
Maximum 1100 RPM
Minimum 101 RPM
Approximate weight 36,300 lbs.

MOTOR SPECIFICATIONS

40 HP 3/60/220/440 Main drive motor and controls

Six (6) independently operated cross slides - 1st, 3rd, 4th,
5th, 6th & 8th positions
Plain threading attachments - less spindle and bracket, 4th
& 5th positions
Accelerated reaming attachment - 7th position
Universal type chip conveyor
Eight (8) hinged type end slide tool holders
Double deck circular form tool holder - 8th position cross
slide
Skiving tool - 5th position cross slide
One (1) set of master collets & pushers
Three (3) knee turners
One (1) set of feeds & speed gears

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