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Precision Centre Lathe - OPTIturn TH 4620D


Precision Metal Lathes – unique in precision and operation. With 3 Axis Digital Readout System and Quick-Change Tool Post

  • Hardened and ground Z-axis guideway
  • Precisely crafted sled
  • Handwheels with adjustable fine-scale 0.04 / 0.02 mm
  • Quadruple tool holder
  • All guides can be adjusted by wedge strips
  • Waves, wheels, and main spindle running in oil bath
  • Adjustment range upper slide ± 90 °
  • Guaranteed concentricity of the spindle nose better than 0.015 mm
  • Gear wheels smooth, hardened and ground with 2 adjustable precision tapered roller bearings
  • Fast-switching feed gear in a closed design, gears and shafts hardened and ground in an oil bath in precision bearings running
  • Handwheels decoupled and tested according to EN 23125
  • Two-channel right-left switch tested to EN 23125
  • Switch with life cycle calculation, tested according to EN ISO 13849
  • Right / left rotation on bed carriage via switching spindle switchable
  • Mechanical longitudinal feed-out shut-off of the bed carriage with four adjustable eccentrics leading spindle
  • Emergency stop device with foot control
  • Safety handwheels with release function in the X and Z axis
  • The adjustable scale of the threaded clock
  • Central lubrication in the bed slide
  • Tailstock for taper turning ± 10 mm adjustable
  • Tailstock quill and hand wheel with adjustable fine-scale 0.025 mm
  • Fast, easy, and tool-free adjustment by means of a clamping lever
  • Strongly ribbed prism bed, induction hardened and precision ground from gray cast iron
  • Coolant devise with separate coolant tank with level indicator and oil separator; easy and complete emptying and cleaning according to DIN
  • Large dimensioned chip guard with integrated LED machine lamp
  • Quick change tool post SWH 5-B
  • Tool holder 25 x 120 type D for square chisel 250 mm
  • Digital position indicator DPA 21 with speed display

Technical Specifications

Connection 400 V / 3 Ph ~50 Hz
Total connected load 5.8 kW
Power of the coolant pump 100 W
Driving motor spindle 5.5 kW
Spindle taper MT 6
Spindle seat Camlock DIN ISO 702-2 Nr. 6
Spindle hole, rod passage 58mm
Quadruple tool holder seat height max. 25 x 25 mm
Centre height 230 mm
Centre width 2,060 mm
Turning Ø over lathe bed 460 mm
Turning Ø over cross slide 270 mm
Turning Ø in the bed bridge 690 mm
Length of bed bridge 240 mm
Bed width 300 mm
Spindle speed 25 – 2,000 min-1
Number of steps 12 steps
Travel top slide 125 mm
Travel cross slide 285 mm
Longitudinal feed in the range of 0.031 – 1.7 mm/U; 42 feeds
Transverse feeds in the range of 0.014 – 0.784 mm/U; 42 feeds
Pitch – Metric in the range of 0.1 – 14 mm/U; 41 thread pitches
Pitch – Inch in the range of 112 – 2 Gg/1; 41 thread pitches
Diametral pitch in the range of 4 – 112; 50 trapezoid thread
Modular threads in the range of 0.1 – 7; 34 modular thread
Tailstock seat MT 4
Tailstock- sleeve diameter 60mm
Tailstock- sleeve travel 130 mm
Dimensions (Length x Width x Height) 3,265 mm x 1,065 x 1,550 mm
Net weight 2,400 kg