Kao Ming KMR-1250DH 4' x 13" Radial Arm Drill (1987)

Kao Ming KMR-1250DH 4' x 13" Radial Arm Drill

• Working Arm Length: 4.1 feet (1,250 mm).
• Column Diameter: 13-3/4" (350 mm).
• Drilling Capacity: 2" (50 mm) in steel / 2-3/8" (60 mm) in cast iron.
• Spindle Taper: Morse Taper No. 5 (MT5 / MK5).
• Box Table Size: 19-11/16" x 29-17/32" x 15-3/4" (500 x 750 x 400 mm).
• Base Work Area: 54.8" x 32.2" x 7.4" (1,390 x 820 x 188 mm).

Travel & Movement Limits

• Spindle Head Horizontal Travel: 35" (890 mm) along the arm.
• Vertical Arm Travel: 27-1/2" (700 mm) up and down the column.
• Spindle Stroke: 11-13/16" (300 mm) total vertical quill travel.
• Max Spindle-to-Base Height: 121" (3,075 mm).
• Spindle Center to Column Face Range: Min 14.1" (360 mm) to Max 49.2" (1,250 mm).

Speeds, Feeds, & Power

• Main Spindle Motor: 5 HP (3.7 kW).
• Spindle Speeds: 25 to 1,580 RPM via a 12-stage pre-selected hydraulic pressure system.
• Feed Range Rates: 12 steps ranging from 0.0023 to 0.044 inches/rev (0.06 to 1.12 mm/rev).

Structural Specifications

• Total Machine Weight: 7,628 lbs (3,460 kg).
• Total Required Floor Space: 91.9" x 44.8" (2,335 x 1,140 mm).
• Clamping System: Full integrated push-button hydraulic clamping for the head, arm, and Column