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Precision Centre Lathe - OPTIturn TH 6630D


Heavy-duty master and spindle lathes, which are characterized by high flexibility, precision, and cost-effectiveness. With 3 Axis Digital Readout System and Quick-Change tool post

  • Hardened and ground Z-axis guideway
  • Spindle mount Camlock DIN ISO 702-2 No. 8
  • Precisely crafted sled
  • Handwheels with adjustable fine scale 0.04 / 0.02 mm
  • All guides can be adjusted by wedge strips
  • Waves and wheels running in oil bath
  • Adjustment range upper slide ± 90 °
  • Guaranteed concentricity of the spindle nose better than 0.015 mm
  • Main spindle running in oil bath
  • Gear wheels smooth, hardened and ground with 2 adjustable precision tapered roller bearings
  • Clear selection lever for switching the feed rates
  • Closed design of the rapid-action feed gear
  • Gears and shafts hardened and ground in an oil bath in precision bearings
  • 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
  • Central lubrication in the bed slide
  • Coolant device with separate coolant tank with level indicator and oil separator; easy and complete emptying and cleaning according to DIN
  • leading spindle
  • Emergency stop blow switch, motor protection switch, lockable main switch
  • Emergency stop device with foot control
  • Safety handwheels with release function in the X-axis
  • Tailstock for taper turning ± 10 mm adjustable
  • Tailstock quill and handwheel with adjustable fine scaling
  • Tailstock crank for position change
  • Tailstock quill with two adjustable ratios 1/4 or 1/1 turn
  • LED machine lamp
  • Fast feed - pushbutton and selector lever for activating the rapid traverse for plan and longitudinal direction for even more efficient work. Does not switch off the entire machine when retracting into the limit switch
  • Safety limit switch with positive opening contacts
  • Electric engine brake with fast emergency stop - in normal operation fast stop without caster
  • Electrics with Siemens components
  • Energy chain for gentle line and hose routing
  • Quick change tool post SWH 9-D
  • 1 tool holder 41 x 180 type D for square chisel 32 mm

Technical Specifications

Connection 400 V / 3 Ph ~50 Hz
Total connected load 8.5 kW
Power of the coolant pump 125w
Driving motor spindle 9 kW
Spindle taper Ø 113 (cone 1:20)mm
Spindle seat Camlock DIN ISO 702-2 Nr. 8
Spindle hole, rod passage 105mm

Centre height 330 mm
Centre width 3,050 mm
Turning Ø over lathe bed 660 mm
Turning Ø over cross slide 440 mm
Turning Ø in the bed bridge 900 mm
Length of bed bridge 250 mm
Bed width 400 mm
Spindle speed 25 – 1,600 min-1
Number of steps 16 steps
Travel top slide 230 mm
Travel cross slide 368 mm
Longitudinal feed in the range of 0,044 – 1,48mm/U (25 feeds)
Transverse feeds in the range of 0,022 – 0,74mm/U (25 feeds)
Pitch – Metric in the range of 0,45 – 120mm/U - 54 thread pitches
Pitch – Inch in the range of 80 – 7/16Gg/1" - 60 thread pitches
Diametral pitch in the range of 7/8 – 160 (42 pitches)
Modular threads in the range of 0,25 – 60mm/U (34 modular pitches)
Tailstock seat MT 5
Tailstock- sleeve diameter 90mm
Tailstock- sleeve travel 235 mm
Dimensions (Length x Width x Height) 4,650 x 1,500 x 1,780 mm
Net weight 3,730 kg


  •  Three Jaw Chuck 315mm 
  •  3 Axis DRO
  •  Coolant System
  •  Fixed steady passage max. Ø 150 mm
  •  Running steady passage max. Ø 130 mm
  •  Machine light
  •  Reduction sleeve MT 5 / MT 7
  •  Fixed centre point MT 5
  •  Fixed centre point MT 5, alloyed
  •  Quick change tool post 9-D
  •  Steel holder 41 x 180 type D for square chisels
  •  Position stop with fine adjustment
  •  Change gear set
  •  Quality oil enclosed
  •  User Manual

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.