Optimum Lathe D280X700DC Vario | BL3427006

Lead screw lathe with feed gear and infinitely variable speed control for brushless motor

Technical Specifications

Connection	230 V / 1 Ph ~50 Hz
Driving motor spindle	1.5 kW
Spindle taper	MT 4
Spindle hole
Spindle seat	Short taper
Quadruple tool holder Height	max. 13.5 mm
Centre height	140 mm
Centre width	700 mm
Turning Ø over lathe bed	266 mm
Bed width	180 mm
Spindle speed	30 - 4,000 min-1
Number of steps	4 steps, electrically adjustable speed
Travel top slide	60 mm
Travel cross slide	160 mm
Longitudinal feed in the range of	0.07 - 0.4 mm/U
Pitch - Metric in the range of	0.2 - 3.5 mm/U
Pitch - Inch in the range of	56 - 8 Gg/1
Tailstock seat	MT 2
Tailstock - sleeve travel	85 mm
Dimensions (L x W x H)	1,370 x 660 x 440 mm
Net weight	180 kg

Description

• Lead screw lathes with feed gear for demanding users
• Precise manufacturing
• Powerful, maintenance free motor
• Heavily ribbed prism bed made of grey cast iron, inductively hardened and precision ground
• Hardened and ground bed guideways
• Guaranteed true running accuracy of the spindle nose better than 0.009 mm
• True running accuracy of the lathe chuck better than 0.04 mm
• Automatic longitudinal/leading spindle drive
• With leading spindle for threading or automatic longitudinal turning
• Right-/left-handed rotation switchable on
• Leading spindle run on two porous bearings
• Handwheels on the slide with adjustable precision scaling of 0.04/0.01 mm
• Change gear kit for thread cutting
• Thrust bearing
• Emergency-stop push button
• Fully equipped machine, the user can immediately start to work productively

TU 2807 V

• Infinitely variable speed control for brushless motor
• Smooth and high performance DC drive with
  excellent control characteristics
• High-precision tool chuck for higher speeds
• Speed change easily adjustable via potentiometer
• Digital speed display

Features:

Slide

• Quadruplicate tool holder
• All guideways adjustable via V-ledges free of play
• Rolled trapezoid spindles
• Chip protection at the top slide
• Milling machine BF20V mountable
• Top slide adjustable on cross slide

Tailstock

• Adjustable by ± 5 mm for taper turning
• Tailstock spindle sleeve and handwheel with adjustable precision scaling
  of 0.02 mm
• Rapid and easy adjustment of the tailstock by means of a clamping lever

Main spindle

• Hardened and with readjustable precision tapper roller bearings
• Two taper roller bearing of P5 quality
• Short taper, hardened spindle nose with a Ø spindle hole of Ø 26 mm

Feed gear

• Smooth running
• Rounded toothed wheels
• Running in the oil bath

Powerful Brushless drive

• Particularly smooth running
• Nearly constant torque over the entire speed range
• High power output

Delivery Information

• 3-jaw lathe chuck Ø 125 mm
• Fixed center MT 2 / MT 4
• HSS lathe chisel
• Quadruple tool holder
• Change gear kit
• Operating tool