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Precision Centre Lathe - OPTIturn TH 4610D


Precision guide and traction spindle lathes – unique in precision and operation. With 3 Axis Digital Readout System DPA 21 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 25mm
  • Digital Readout System DPA 21 with speed display

from TH 4615:

  • Wiring via energy chain

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 1,060 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) 2,215 mm x 1,065 x 1,550 mm
Net weight 1,720


  • Three Jaw Chuck (250mm)
  • Fixed Steady passage max. Ø 160 mm
  • Running Steady passage max. Ø 100 mm
  • LED machine light
  • Reduction sleeve MT 6 / MT 4
  • Fixed centre point MT 4
  • Quick change tool post SWH 5-B
  • 1x Tool holder 25 x 120 type D for square chisels 20 mm (additional holders available)
  • Threading gauge
  • Change gear set
  • Initial machine filling with quality oil

Additional accessories and tooling available on request

Shipping to Ireland & UK.

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Our two rates are €12.00 for shipments up to 30kg and the €60 for all shipments
over 30kg weight.

€12 is via DPD and the €60 is via pallet express.

You can also pick up an item for free from our Longford store.

All orders (stock items) for Standard delivery are normally despatched within one to two working days from clearance of payment.

We expect delivery to be within 2 to 5 working days thereafter.

Standard Delivery will be by Courier service for orders up to 30kg in weight.