Adams Machinery Co
6450 N Hamlin Ave
Lincolnwood
IL
60712-4042
Tel: 847-673-0556
Fax: 847-673-7636
adams@adamsmachinery.com
www.adamsmachinery.com
No. Big Twin, 10" x 42" Table, 36" Str, 12" Travel, (2) 10 HP, 1973
[7251973]
NICHOLS "BIG TWIN" MILL
New: 1973
EQUIPPED WITH:
Motor Driven with (2) 10 HP, 1200 RPM, 3 Phase, 60 Cycle AC Spindle Drive Motors and Controls. 1.3 H
DC Table Feed. 11/2 HP Knee Elevating Motors. 1 HP Saddle Feed Servo Drive Motors. Penda
t Controls.
Automatic Cycling with Saddle Feed and Retraction. Ball Screw Variable Feed Table Drive. Ball Screw
ervo Drive for Saddle Traverse. Motorized Head Raise and Lower. Forward and Reversing of
pindles. Graduated Dial Feed Rate Control. Table Jog. Micrometer Graduated Handwheels. Automatic Lub
ication System. Bijur Spraymist Coolant System. Spindle Extensions.
SPECIFICATIONS:
Working Surface of Table 10" x 42"
Overall Size of Table 16" x 48"
Spindle Nose Separation: Minimum 4"
Spindle Nose Separation: Maximum 24"
Height of Spindle Center Above Table: Minimum 4.5"
Height of Spindle Center Above Table: Maximum 16.5"
Maximum Longitudinal Offset of Heads 12"
Maximum Cutting Stroke 36"
Taper in Spindle No. 50 NST
Spindle Hole Diameter 1"
Spindle Speed Range (30) 5 - 2360 RPM
Table Feed, Infinitely Variable .5 - 200 IPM
Table Rapid Traverse 200 IPM
Saddle Traverse, Maximum 10"
Saddle Traverse Rate .23 - 1.5 IPM
Saddle Rapid Traverse 20 IPM
Vertical Travel of Knee, Motorized 12"
Knee Travel Rate 9 IPM
Approximate Weight 11,000 lbs
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