Lathes - Center Lathe - VDF - BOEHRINGER V6 (lang)

Center Lathe


Stock number:
Year / Condition:
Control unit:
Country of origin:
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Ex site 
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Technical specs


turning diameter over bed:
900 mm
turning diameter over slide rest:
650 mm
turning length:
4.000 mm
400 V
Dimensins of the machine approx. (LxWxH):
6.450 x 1.550 x 1.600 mm
Weight of the machine approx.:
6.100 kg

3-axis digital display Fagor
Chip protection
collant device


General overhaul in 2019
According to the offer from 2019, the following overhaul work was performed:

? Disassembly and reassembly of the lathe.
? Cleaning of the components/groups
? Guideway grinding of the machine bed on all sides in geometry.
? Re-milling of all secondary surfaces in extended tolerance to main guideway

Bed support
? Scraping of the bed support on the machine bed.
- Adjustment of the rear handles and wedge bars
? The support is covered with bronze, Wbz8 2-3mm and screwed as a wear layer to the machine bed

Plan support
? Milling and scraping of the plan support guide.
? Scraping of the plan support on the plan support guides
? Renewal of the guide wedge

Feed support
? Milling and scraping of the infeed support guide
? Scraping of the feed support on the feed support guides
? Renewal of the guide wedge

Threaded spindles
? Manufacture of new trapezoidal threaded spindles and nuts as well as their complete bearing for the face support
and infeed support
? Cleaning of the threaded lead screw and lock nut.
? Adjustment of the lock nut

Tooling system
? Delivery and assembly of a Multifix steel holder size C (Switzerland)

Tailstock (geometry+mechanics)
? Scraping of the tailstock on the machine bed in geometry according to manufacturer's specification
? Spindling and honing of the quill bore to oversize
? Spraying and grinding the quill to fit, incl. fitting into the hole
? Matching the center height to the main spindle gearbox
? MK mount is o.k. and will be finished
? Overhaul of the clamping mechanism

Main spindle gear (mechanics)
? Disassembly and reassembly of main spindle gearbox, cleaning and damage assessment
? Renewal of the gear shaft bearings and main spindle bearings
- Regrinding of the main bottom gear wheel
- Installation of a new main floor drive pinion gear
- Installation of a new splined shaft (no longer o.k. due to torsion)
? Renewal of the gear shifting system
? Renewal of the plates of the drive clutches (forward and reverse)
? Installation of a new brake control pneumatic (necessary for the EMERGENCY STOP).
? Overhaul of the main drive motor electrically and mechanically (at a specialized company).
- Renewal of the mechanical coupling (motor and input shaft. Setting of new holes and pins).
? Overhaul of the primary reduction gear, re-bearing, 1:1 and 1:4.
? Replacing or overhauling the V-belts and V-belt pulleys.

Threaded gear transmission (mechanics)
? Disassembly and reassembly, cleaning and inspection of the threaded gear box.
? Partial replacement of the bearings and seals on the spindle side (lead screw and feed screw drive)
? Check of the circulating oil lubrication system
? Checking the shift mechanism (gear change)
? Readjustment by four-pin (center position to lock case gear) Lock case gear (mechanics)
? Part disassembly and reassembly, cleaning and inspection of the lock case gear unit
? Replacement of defective bearings and seals
? Replacement of the main drive pinion shaft
? Repair of the oil lubrication system
? Renewal of key connections for tension and shift spindle
? Repair of the tension spindle sleeve, incl. bearing and seal
? Repair of the shift spindle sleeve
? Inspection of the drop screw mechanism
? Inspection of the shift lever mechanics

? Replacing the wipers completely
? Replacing the oil lubrication nipples completely
? The sheet metal inserts and the KSS narrow height tank incl. KSS pump under and between the machine feet are newly manufactured from VA 2.5mm.

Electrical system
? Supply and manufacture of a new electrical control cabinet including the electrical components in accordance with the applicable machine directive.
? Replacement of all cables, protective conductors and strain reliefs
? Cables are provided with appropriate protective sheaths
? Installation of a two-channel safety circuit for the emergency stop circuit including an electromechanical switch for the headstock cover.
switch for the headstock cover
? A new industrial lamp 24V color scheme

? Painting of the lathe such as degreasing, pre-treatment (primer).
? Top coat 2-component paint standard RAL 7035 light gray and blue upper assemblies, which are movable Acceptance conditions of geometry and mechanics.
? Commissioning and test run
? Creation of a dimensional protocol according to DIN 8606 Turning range up to diameter 800mm
? Turning test incl. measurement and testing of accuracy on a common workpiece.

Assembly of a 3-axis digital display, Fagor, bed support, plan support and infeed support incl. protective cover, cable chain for cables and KSS feed

Contact seller

LüneHanse Vertriebs GmbH

LüneHanse Vertriebs GmbH

Munstermannskamp 121335 Lüneburg Phone: +49 4131 21 97 689Fax: +49 4131 21 97 290 

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