- Multicurve CityCrown Lathe
- CNC Lentucular CityCrown Lathe
Semi-Automatic Lenticular Lathe
As with the manual lathe, the CityCrown Semi Automatic
Lenticular Lathe is known for being both reliable and robust. The added benefit
of the automated movement contributes to a consistent lens specifications and an
excellent surface finish.
The semi automatic lathe is available in both lenticular and
single slide versions. The lenticular top slide lathe is capable of cutting two
curves in one pass. CityCrown semi automatic lathes embody all the features of
the manual lathes i.e. variable spindle speed together with balanced and
vibration free operation. The main additional feature is the automatic top slide
traverse which has a coarse feed rate for rough cuts and a fine feed rate for
finish cuts. This ensures continuous high quality surface finish which
effectively reduces reject rates. On the current generation of these machines
the lenticular top slides have been redesigned to further improve surface
finish. Solid state circuitry has replaced relays and microswitches to reduce
maintenance and downtime. The low profile aspect of the lathe makes it
comfortable to operate. The machine cuts both convex and concave surfaces. As an
optional extra the lever feed attachment can be fitted to facilitate rapid
advancement and withdrawal of the headstock to and from the working position.
Suitable for hard, soft and gas permeable materials.
Headstock: Precision dovetail slides
Spindle: Dynamically balanced, fitted with Abec 9 bearings
Spindle drive: 24 DC motor, variable speed 0 - 9000 RPM, Dynamically braked
when switched off
Collet mechanism: Lever operated, quick release unit, collet pressure
adjustable. Threaded drawbar incorporated in spindle
Lenticular slide assembly: Fitted with Abec 7 bearings. Two slides move
axially and independent to each other
Lenticular drive: 24 DC motor. Velocity damped by dashpot and gear. Two
variable drive speeds - fine and coarse.
Lenticular Drive: Push button for traverse speed (fine and coarse) repeat
cuts, datum checks and manual control.
Electrical supply: 110, 115, 200, or 230 volts. 50 Hz or 60 Hz single phase
Dimensions: Width 730 mm, depth 330mm, height 380 mm.
Weight: 90 Kg.
Semi-Automatic key features
Universal for Front and back cutting
Automatic Radius Cartridge Topslide traverse movement in both coarse or fine
Automatic diametering attachment (Ref No: 5000-0002)
Automatic auxiliary attachment (Ref No: 5001-0003)
Lever feed attachment (Ref No: 5001-0004)
Lenticular setting clock and bracket - low headstock (Ref No: 5001-0005)
Lenticular setting clock and bracket - high headstock (Ref No: 5001-0006)