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PICOTRE - models 38/43/50/55


depliant              technical data          




A very heavy duty lathes with massive floor mounted bed providing continuous support enabling bed lengths to give capacity up to 10 metres between centres and swings over bed of 760 to 1,100 mm. These lathes are fully guarded, have work area lighting and fully comply with all international safety standards. There is great potential for customisation from a very wide range of available options. Special requirements are also catered for using Comev’s highly competent design engineers and in-house manufacturing facilities.

The flexibility of these machines is complimented by the very comprehensive and easy to programme and operate CNC control system and is equipped to be used in “Manual Mode”.


It consists on a heavily ribbed G25 cast iron casting housing the main spindle assembly and gearing that provide three speed ranges to give the necessary torque for large components that these machines will accommodate. The spindle is mounted on precision bearings. As an option the spindle can have full “C” axis capability. The lathes are available with spindle bores 130, 160, 230 or 310 mm and spindle nose CAM LOCK 11” and ASA 11”, 15 and 20 respectively.


This is the first of the Comev lathes to have floor mounted bed providing continuous support over it whole length. The bed is fully weathered to relieve casting stresses before machining. The bed ways including the under shears are induction hardened and precision ground.


The carriage is a well-proportioned G30 cast iron casting and runs on vee and flat ways. The contact surfaces with bed are coated with anti-friction material and are hand scraped to the bed. The cross-slide dovetails are hardened and ground. The cross-slide is equipped with tapered gibs for eliminating clearance. Precision preloaded recirculating ballscrews to ISO 5 are used on both X and Z axes. Handwheels are provided on the carriage for enabling the axes to be electronically moved by hand in increments of 0.001 / 0.010 and 0.100. The X and Z axis ways and ballsrcews are lubricated by an automatic lubrication system.


The heavy duty tailstock is fitted with a hardened and ground quill 115 mm diameter. The quill has a No. 6 Morse Taper.
A facility is available to position the tailstock along the bed by using the carriage


A wide range of accessories are available including; manual and hydraulic chucks, manual tool holder systems, 4 way automatic vertical toolholders, 8 and 12 station automatic disc turrets with and without driven tools, “C” axis, grinding units, hydraulic tailstock quill / clamping / powered movement, hydraulic steadies, chip conveyors, etc.


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