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Brand: Optimum · Stürmer Maschinen, Germany

Conventional Centre Lathe OPTIturn TH 8020D

Article no. 3462230Universal lathes

Turning diameter
800 mm
Distance between centres
2050 mm
Spindle speed
25 – 1600 rpm
Spindle bore
105 mm
Spindle power
11 kW
Power supply
400V/3Ph ~50 Hz

Price on request

If the machine is not in the showroom, the delivery time is 7 working days. We confirm availability when we accept the order. Delivery times

Call
  • Official importer of Stürmer Maschinen
  • Warranty and out-of-warranty service
  • Delivery by arrangement
  • Technical experts at your disposal

Technical specifications

Basic features
Turning diameter800 mm
Distance between centres2050 mm
Spindle speed25 – 1600 rpm
Spindle bore105 mm
Spindle power11 kW
Power supply400V/3Ph ~50 Hz
Weight3455 kg
Dimensions and weights
Length (product) approx.4287 mm
Width/depth (product) approx.1525 mm
Height (product) approx.1925 mm
Net weight approx.3455 kg
Load bearing capacity1.4 t/m
Work areas
Center height400 mm
Distance between center2050 mm
Swing diameter above machine bed800 mm
Swing diameter in bed bridge1035 mm
Swing diameter above planing slide570 mm
Turning length in bed bridge250 mm
Bed width400 mm
Equipment
Digital position indicatorDPA 31 Plus
Speed range
Number of gears16
Fast motion speed
Rapid motion speed3800 mm/min
Explanations about rapid motionmax. 5 min (30 min. break)
Electrical Data
Drive motor output11 kW
Mains frequency50 Hz
Total rated value12 kW
Cooling lubricant system
Cooling lubricant system coolant pump output150 W
Spindle
Spindle chuckCamlock DIN ISO 702-2 No. 8
Tool holder max. chuck height32 mm
Spindle coneØ 113 (cone 1:20) mm
Tailstock
Tailstock chuckMK 5
Tailstock quill stroke235 mm
Tailstock quill diameter90 mm
Pitches
Metric pitch0.45 – 120 mm/rev
Number of metric pitches54
Imperial pitch80 – 7/16 TPI/1"
Number of imperial pitches60
Diametrical pitch7/8 – 160
Number of diametrical pitches42
Modular thread pitch0.25 – 60 mm/rev
Number of modular thread pitches46
Travel
Travel upper slide230 mm
Travel cross slide368 mm
Travel carriage saddle1965 mm
Feed
Longitudinal feed range0.044 – 1.48 mm/rev
Number of longitudinal feeds25
Flat feed range0.022 – 0.74 mm/rev
Number of flat feeds25

Features

  • Hardened and ground Z-axis guideway
  • Guaranteed concentricity of the spindle nose better than 0.015 mm
  • Spindle holder Camlock DIN ISO 702-2 No. 8
  • Lead screw cover
  • Precisely machined slide
  • All guides can be adjusted using wedge strips
  • Right/left rotation on bed slide switchable via switching spindle
  • Two-channel safety electronics
  • Upper slide adjustment range ± 90
  • Smooth-running, hardened and ground gear wheels mounted on 2 adjustable precision tapered roller bearings
  • Clearly arranged selector lever for switching the feed speeds
  • Closed design of the high-speed feed gearbox
  • Gear wheels and shafts hardened and ground, running in an oil bath in precision bearings
  • Handwheels decoupled and tested in accordance with EN 23125
  • Safety handwheels with disengagement function in the X-axis
  • Handwheels with adjustable fine scaling 0.04 / 0.02 mm
  • Safety limit switch with positive opening contacts
  • Switch with life cycle calculation, tested in accordance with EN ISO 13849
  • Central lubrication in the bed slide
  • Emergency stop switch, motor protection switch, lockable main switch
  • LED machine lamp
  • Energy chain for gentle cable and hose routing
  • Emergency stop device with foot control
  • Coolant device with separate coolant tank with level indicator and oil separator; easy and complete emptying and cleaning in accordance with DIN
  • Electric motor brake with quick emergency stop - quick stop without overrun during normal operation
  • Electrical system with Siemens components
  • Quick-change steel holder SWH 9-D
  • 1 steel holder 41 x 180 type D for square chisel 32 mm

Scope of delivery

  • Fixed bezel passage max. Ø 150 mm
  • Running bezel passage max. Ø 130 mm machine light
  • Reduction sleeve MK 5 / MK 7
  • Fixed centering point MK 5
  • Fixed center point MK 5, alloyed
  • Quick change steel holder 9-D
  • Steel holder 41 x 180 type D for square chisels
  • Position stop with fine adjustment
  • Change gear set
  • Quality oil enclosed operating tool

are characterized by high flexibility, precision and economy. With digital position indicator DPA 31 Plus and quick-change steel holder.

The data comes from the product description. To clarify a parameter, call +359 882 477 388.

Delivery, warranty and service

Delivery by arrangement

  • Products in stock: delivered on the same day or on the next working day after the order is confirmed.
  • Products not in stock: the delivery time is 7 working days, unless one of our staff specifies otherwise.
  • Pigeon Express carries shipments of up to 400 kg. For this machine we agree the delivery method and price with you when we confirm the order.
Shipping weight
3455 kg
Dimensions
428.7 × 152.5 × 192.5 cm
Delivery terms

Warranty

“The warranty period is 24 months for all private individuals and 12 months for all legal entities, unless stated otherwise in the product description.”

Promash provides a warranty in accordance with the manufacturer's terms.

Frequently asked questions

Service and advice

Warranty and out-of-warranty service. Technical experts at your disposal for choosing a machine, commissioning and training.

Call: +359 882 477 388

Accessories for this machine

The original Stürmer accessories and options for Conventional Centre Lathe OPTIturn TH 8020D — add them to the order together with the machine.

Show 16 more accessories