Description
KEARNEY & TRECKER HORIZONTAL MILLING MACHINE
Model 550TF-20, Type PLAIN, Serial Number 57-100113
SPECIFICATIONS:
WIDE KNEE,
TWIN ELEVATING SCREW
SPINDLE:
Taper 50 MT
Speeds: 15, 18, 22, 27, 33, 41, 50, 61, 74, 90, 111,
135, 165, 201, 248, 302, 370, 448, 454, 672, 822,
1000, 1233, 1500 RPM.
TABLE: (3) T-Slots
Size Overall, 19½" W x 96" L
Longitudinal Travel (X-Axis) 50"
Cross-Slide Travel (Y-Axis) 16"
Vertical Travel Knee (Z-Axis) 21"
TABLE FEEDS: (32)
Longitudinal and Cross 3/8" to 90 ipm
Vertical Knee 1/8" to 30 ipm
Rapid Traverse Longitudinal and Cross 150" ipm
Rapid Traverse Knee (Vertical) 50" ipm
MOTOR: wired 460 volts, 3-phase
Horizontal Spindle 50 H.P. 230/460 volts
Table and Knee Feed 5 H.P. 230/460 volts
Power Draw Bar 5 H.P. 230/460 volt
Coolant Pump ¼ H.P. 230/460 volts
CONTROLS: Wired 110 volts
Located on Magnetic Starter Enclosure is: Master Start/Stop Buttons,
Right/Left Spindle Switch, Coolant On/Off Switch.
Draw Bar In / Out Buttons,
Spindle/Draw Bar 2-position Switch Start Button.
EQUIPPED WITH: Mono-Lever and Automatic Cycle Table Control.
Positive Backlash Control: with automatic release in rapid traverse &
with lockout for manual operation.
Operators side controls for hand & power feed for table, saddle, knee
and rapid traverse.
1- Power Draw Bar.
1- Arbor Support.
1- Mill Arbor.
1-Arbor draw-in rod.
COMPLETE FACTORY SAFETY GUARDS
Dimensions 108" F-B x 115" L-R x 79" Height
Approximate Weight 17,500 lbs.
550TF-20 Kearney & Trecker Plain Horizontal Milling Machine – Spindle Speeds 15-1500 rpm – Table 19.5″ x 96″ – Wide Knee Elevation by twinn screws, Mono Lever Control
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