Sliding Head LFV Technology

Full Model Change for the Cincom L20

Basic performance and operability have been greatly improved and the machine has evolved to become environmentally friendly

The new L20 helps reduce downtime by enabling the use of Citizen’s proprietary LFV (low-frequency vibration cutting) technology for both front and back machining.

In addition, the improved acceleration/deceleration due to the higher output of the back spindle helps to shorten cycle times.Tool shortages have been eliminated by increasing the maximum number of turning tools that can be mounted on the gang tool post to six.

The high-end model L20XIIB5 supports simultaneous 5-axis control and can perform complex machining in conjunction with a CAM system.

As for operation, the large touch panel screen greatly improves ease of use.

From the view point of environmental protection, the L20 has evolved toward sustainable manufacturing with its improved environmental performance that supports our efforts to reduce CO2 emissions, including reducing air consumption through optimal air control and visualisation of environmental information.

ItemVIIIIXXXIIXIIIB5
ModelL20E – 3M8L20E – 3M9L20E – 3M10L20E – 3M12L20E – 3M12B5
Max. machining diameterdia. 20 mm, dia. 25 mm [1”] option
Max. machining length (GB)200 mm per chucking
Max. machining length (GBL)188 mm per chucking
GBLMax. 50 mm per chucking
Max. front drilling diameterdia. 10 mm
Max. front tapping diameterM8 (cutting tap)
Spindle through-hole diameterdia. 26.4 mm
Spindle rotationMax. 10,000 min⁻¹
Max. chucking diameter of back spindledia. 20 mm, dia. 25 mm [1”] option
Max. taking-out length of the workpiece130 mm
Max. workpiece protrusion length of back spindle40 mm
Back machining max. drilling diameterdia. 8 mm
Back machining max. tapping diameterM8 (cutting tap)
Back spindle speedMax. 10,000 min⁻¹
Gang tool post rotary tool – Max. drilling diameterdia. 8 mm
Gang tool post rotary tool – Max. tapping diameterM6 (cutting tap)
Gang tool post rotary tool – Spindle rotationMax. 6,000 min⁻¹ (rated: 4,500 min⁻¹)
S3 motor: Max. 9,000 min⁻¹ (rated: 9,000 min⁻¹)
Rotary tools on opposite tool postMax. 6,000 min⁻¹ (rated: 4,500 min⁻¹)
Opposite tool post – Max. drilling diameterdia. 5 mmdia. 5 mm
Opposite tool post – Max. tapping diameterM4 (cutting tap)M4 (cutting tap)
Opposite tool post – Spindle rotationMax. 7,500 min⁻¹ (rated: 6,000 min⁻¹)Max. 7,500 min⁻¹ (rated: 6,000 min⁻¹)
Back rotary tool – Max. drilling diameteroptionoptionoptiondia. 5 mmdia. 5 mm
Back rotary tool – Max. tapping diameteroptionoptionoptionM4 (cutting tap)M4 (cutting tap)
Back rotary tool – Spindle rotationoptionoptionoptionMax. 7,500 min⁻¹Max. 7,500 min⁻¹
Max. number of mountable tools38344541
Turning tools on gang tool post6
Rotary tools on gang tool post25212521
Front drilling tool36
Back drilling tool48
Tool sizesq. 12 mm (sq. 13 mm, sq. 16 mm)
Sleevedia. 25 mm (GDS107, 210), dia. 19.05 mm
Front spindle collet chuckFC034-M, FC071-M (ø25 mm [1”])
Back spindle collet chuckFC034-M-K, FC071-M-K (ø25 mm [1”])
Rotary tool collet chuckER11, ER16
Chuck for drill sleeveER11, ER16
Guide bushingWFG206-M, DFG206-M, FG521-M (dia. 25 mm [1”])
Rapid feed rateX1, Y1, Z1, X2, Z2: 32 m/min
Y2 axis: 8 m/min (X only)
Motors – front spindle drive2.2 / 3.7 / 5.5 kW (continuous/15 min/10%ED)
Motors – back spindle drive1.5 / 2.2 / 3.7 kW (continuous/40%ED/10%ED)
Motor for gang rotary tools1.0 kW (2.2 kW with S3 motor)
Motor for front rotary tool drive0.75 kW
Motor for back rotary tool drive0.75 kW
Coolant motor0.4 kW
Rated power consumption8.3 kVA
Average load operation power consumption4.5 kVA
Total load current37 A (41 A with S3 motor)
Main breaker capacity60 A
Power supply voltageAC 200V ± 10%
Pneumatic device – Required pressure0.5 MPa
Pneumatic device – Flow rate52 / 55 / 177 L / min (Power ON / Normal / With air blow)
Machine dimensions (W × D × H)W 2,222 × D 1,625 × H 1,835 mm
Machine height1,830 mm
Machine weight2,680 kg

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