Citizen L20E IX: John Hart Machine Tools

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Citizen L20E IX

DETAILS
FEATURES
SPECIFICATIONS
FLOOR LAYOUT
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The fastest, most efficient 7-Axis L20-series lathe ever
The Citizen L20E-IX builds upon it’s predecessor, the highly acclaimed L20-VIII, to meet the latest market requirements. The Evolution lineup is Citizen’s new product line to provide a solution to the drastically changing needs in the global market.
The L20E-IX has been specially developed for high-precision manufacture of simple and complex parts in medium to large batch sizes. It offers all-round versatility and flexibility with its many options and extremely short setup times.

Improved Productivity

Latest Generation ‘Streamline Machining’ control system

Overlapped operations of tool posts – 2 independent tool posts can be moved synchronously to reduce idle periods. For example one toolpost can start work on the next process before the other tool post has fully retracted.
Overlapped movements of axes – In a tool replacement or thread cutting operation, axis movements can begin before an operation using another axis has completed. This can greatly reduce idle time.
Direct spindle indexing function – the time taken for returning to zero point and spindle indexing are greatly reduced by defining the zero point at which the rotating axis is decelerated and stopped.
Smooth acceleration and deceleration with the minimum shock – smoothed acceleration and deceleration operations reduce any shocks transmitted to the machine whilst still enabling fast performance.

Increased tool flexibility:

Flexible tooling arrangements allow extra cross rotary tools, extra turning tools or extra end-working rotary tools depending on your priorities.

Standard NC Functions

C-Axis Main Spindle
Spindle Sync Function (Main / Sub)
Single point threading for sub spindle
Thread cutting canned cycle
Rigid Tapping – Main Spindle
Rigid Tapping – Sub Spindle
Rigid Tapping – Rotary Tools
Tool Nose Radius Compensation Function
Corner Chamfering / Rounding Function
User Macro
Multiple Repetitive Cycles
Canned Drilling Cycles
On-machine program check function
Operating time display

Standard NC Functions

Interference check function
Program work area capacity 80m
Program storage area capacity 160m
Workpiece Counter
Constant Surface Speed Control – Main Spindle
Constant Surface Speed Control – Sub Spindle
Tool offset 40 pairs
Automatic Power Off
Preparation Function (auto guide-bush and collet adjustment)
Tooling Information Function
Main Spindle Speed Change Detection
Sub Spindle Speed Change Detection

CINCOM	L20E IX
Bar size	φ20 mm
One chuck machining length	200 mm
Control axes	7
Max. spindle speed	10,000 rpm
No. mountable tools	up to 13
Spindle motor	2.2 / 3.7kW