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- Multicurve CityCrown Lathe
- CNC Lentucular CityCrown Lathe
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Manual Lenticular Lathe

The CityCrown Manual Lathe is the most widely used machine in
the Contact Lens Industry and is well known for its reliabity and robustness.
The Manual Lathe is available in two options: Single Slide (Ref No: 5000-0001)
and Lenticular Compound Slides (Ref no: 5000-0002). The Manual Lenticular Lathe
is also available with a single slide radius cartridge.
The lenticular lathe fitted with the double top slide assembly
is capable of producing the two lenticular curves in one pass giving a smooth
transition. These craftsman-built hand-operated lathes are designed to meet high
standards of contact lens manufacture.
They are suitable for producing high precision specials or
they will readily fit into a production flow line. Each machine has a variable
spindle speed up to 9000 rev/min. The spindle and motor are both dynamically
balanced and during manufacture, when the machine is fully assembled, it is
balanced en masse to eliminate vibration throughout the speed range. These
lathes can produce both concave and convex surfaces using hard, soft and gas
permeable materials.
Manual Lathe Key Features
Universal for Front and Back cutting
Simplicity of operation
Optional Accessories
Manual diametering Attachment (Ref No: 5001-0001)
Leverfeed attachments (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)
Specifications:
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
Single slide: Cartridge and slide of cast iron construction, fitted with
handle.
Electrical supply: 110, 115, 200, or 230 volts. 50 Hz or 60 Hz single phase
consumption 1Kw
Dimensions: Width 730 mm, depth 280mm, height 360 mm.
Weight: Lenticular version, 82 Kg; Single slide version: 76 Kg.

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