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L20-XII

main_l20_01

Citizen’s best-selling L series machines have been relaunched with 4 different models using a common platform and a comprehensive range of tool holders compatible with other models.

The L20-XII is the top of the range L20 model featuring both B-axis control and two Y-axis.

The rotary tools on the gang tool post feature B-axis control, allowing drilling and milling of angle features, and contouring with simultaneous 4-axis control. The swivel angle of 135°, from 90° to -45° enables the B-axis to be used for both front and back machining.

The back working tool post utilises Y-axis control for up to 8 fixed or rotary end-face or cross working tool holders for increased overlapped machining capability.

Another major feature is the ability to switch between use and a guide busing type and guide bushing-less type. This feature is provided as standard; the guide bushing can be fitted or removed very quickly with a simple operation.

The L20-XII can be used as a regular guide bushing type lathe when machining long, thin workpieces and as a guide bushing-less type reducing material wastage. Increased main spindle size reduces material wastage and bar preparation requirement. Oversized options are available for up to 25mm diameter material.

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Machine Specification

Item L20VIII L20IX L20X L20XII
Number of tools to be mounted Max.37 Max.33 Max.44 Max.40
Maximum machining diameter ø20mm and 25mm option
Maximum machining length GB machine 200mm/1chuck
GBL machine Workpiece diameter×2.5mm/chuck
Maximum drilling diameter for main spindle ø10mm
Maximum tapping diameter for main spindle M8
Main Spindle through-hole diameter ø26mm
Spindle speed Max. 10,000min-1
Maximum drilling diameter for gang rotary tool ø8mm
Maximum tapping diameter for gang rotary tool M6
Gang rotary tool spindle speed Max. 9,000min-1
Rotary tool spindle speed of the opposed tool post ø5mm
Maximum tapping diameter for rotary tool of the opposed tool post M4
Maximum drilling diameter for back tool post rotary tool ø5mm
Maximum tapping diameter for back tool post rotary tool M4
Rotary tool spindle speed of back tool post Max.7,500min-1(OP) Max.12,000min-1

(B-axis)

Maximum chuck diameter of back spindle ø20mm
Maximum protrusion length of the back spindle workpiece 30mm
Maximum drilling diameter in back machining process ø8mm
Maximum tapping diameter in back machining process M6
Back spindle speed Max. 10,000min-1
Tool size Turning tool □12mm(□13mm, □16mm)
Sleeve ø25mm(GDS107,210)ø19.05mm
Rapid feed rate All axis(except Y2 axis) 32m/min
Motors For spindle drive 2.2/3.7kW
For tool spindle drive(gang tool post) 2.2kW
For rotary tool drive of Back tool post 0.75kW
For rotary tool drive of the opposed tool post o.75kW
For back spindle drive 0.75/2.2kW
For cutting coolant oil 0.4kW
Input power capacity 7.3kVA
Center height 1,050mm
Weight 2,350kg 2,400kg

Work Area

Hover on one of the items below to see more information about the work area.


l20-work-area-v2

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Product Matrix

Here you can access information on any products you are looking for by bar or chuck size, by machine type, or by other particular specifications.

Product Matrix

Our Range

Our machines cover 1mm to 64mm and above. Fast to set, quick to changeover and easy to use our technology represents a sound investment. We invite you to take a look at our range.

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