David 203 Norton Ceriani Lathe
The David range of lathes are manufactured in mechanical cast iron and have all the constructive features and techniques of bigger machine-tools.
All the mechanical workings are executed exclusively in company according to national standards. All components used are of the highest quality. The machines are extremely reliable and have a centesimal precision. By customer request lathes can be ordered with optional accessories. They can also be ordered in different versions which are non retrofittable.
Bed: The bed, in stabilised cast iron and suitably ribbed, provides maximum sturdiness and rigidity for the unit.
Headstock: Enbloc, well sized, guaranteeing maximum machining accuracy.
Chuck spindle: The chuck spindle rotates on adjustable TIMKEN taper roller bearings.
Drive system: Machine drive is obtained by means of pulleys and V-belts.
Automatic feed box: Automatic feeds (David 202-203) take place by means of steel gears and a lead screw which rotate on self-lubrificating bushes.
Carriage: The carriage with apron is well proportioned and slides on dove tail guideways protected by oil scrapers; it is fitted with a self-adjusting jib.Traverses take place by means of a handwheel and rack gear.
Saddles: The saddles are sturdy and easy to adjust, equipped with precision screws mounted on ball bearings and with resettable verniers.
Tailstock: The adjustable tailstock is also equipped with a resettable vernier and is capable of withstanding very considerable turning and drilling stresses.
Every model conforms with the EEC directive n. 89/392.
The low voltage 24 V. AC electrical system includes: logic, complete with relays on printed wiring, starting key, pilot light, and emergency STOP button.
The swarf screen and the access door are both protected by microswitches.
|Height of Centers||100 mm|
|Distance Between Centers||500 mm|
|Lathe Bed||120 mm|
|Swing Over Bed||200 mm|
|Swing Over Gap||260 mm|
|Swing Over Carriage||120 mm|
|Width Between Gap Edge and Bedplate Edge||60 mm|
|Spindle Diameter||100/125 mm|
|Spindle Hole||20/32 mm|
|Passage Bar||20/32 mm|
|Spindle Taper||3 Morse Taper|
|Cross Slide Travel||100 mm|
|Carriage Travel||60 mm|
|Rotation Angle of Carriage||45° + 45°|
|Tailstock Sleeve Travel||60 mm|
|Tailstock Sleeve Diameter||25 mm|
|Tailstock Taper||2 Morse Taper|
|Speed Range RPM||n. 7 min. 1° 100 ÷ 1800|
|HP Motor||0.75 HP|
|Overal Dimensions||1000 x 470 x 350 mm|
|Approximate Weight Without Base||80/85 Kg|