A Series
Citizen's A Series Swiss-type turning centers are designed for high-precision, high-volume production of small, complex parts. These machines are commonly used in the medical, electronics, and automotive industries, where intricate components are required. Their rigid design and advanced control systems ensure superior accuracy and surface finish, resulting in increased productivity and reduced manufacturing costs.
Key Features of the A Series:
Exceptional precision and accuracy.
High-speed, efficient production.
Compact design, saves space.
Versatile, complex part machining.
Compare the specifications of the different models available in the A Series.
| Specifications | A20VII |
|---|---|
| Max. machining diameter (D) | ∅ 20 mm (∅ 25 option) |
| Max. machining length (L) | GB: 200 mm / 1 chucking (188 mm: ∅ 25 spec.) NGB: 2.5 D |
| Spindle through-hole diameter | ∅ 26 mm |
| Main spindle speed | Max.10,000 rpm |
| Spindle speed of the gang rotary tool | Max. 6,000 rpm (Rating 4,500 rpm) |
| Max. chuck diameter of back spindle | ∅ 20 mm (∅ 25 option) |
| Max. protrusion length of back spindle workpiece | 50 mm |
| Max. protrusion length | 100 mm |
| Back spindle speed | Max. 8,000 rpm |
| Number of tools to be mounted | 21 |
| Tool size: Tool (gang tool post) | ▢1/2" |
| Tool size: Sleeve | 1" |
| Chuck and bushing: Main spindle collet chuck | TF25 (TF30: ∅ 25 mm) |
| Chuck and bushing: Back spindle collet chuck | TF25 (TF30: ∅ 25 mm) |
| Chuck and bushing: Rotary tool collet chuck | ER11, ER16 |
| Chuck and bushing: Chuck for drill sleeves | ER11, ER16 |
| Chuck and bushing: Guide bushing | TD25NS (CD25: ∅ 25 mm) |
| Rapid feed rate: All axes (except X1) | 32 m/min |
| Rapid feed rate: X1 axis | 18 m/min |
| Motors: Spindle drive | 2.2 / 3.7 kW |
| Motors: Tool spindle drive | 0.75 kW |
| Motors: Back spindle drive | 1.1 / 1.5 kW |
| Motors: Coolant oil | 0.4 kW |
| Motors: Lubricating oil | 0.003 kW |
| Center height | 1,050 mm |
| Rated power consumption | 7.1 kVA |
| Full-load current | 20.2 A |
| Main breaker capacity | 30 A |
| Air pressure & air flow rate for pneumatic devices | 0.5 MPa • 47 NL |
| Weight | 4,851 lbs |
| Specifications | A20VII |
|---|---|
| Max. machining diameter (D) | ∅ 20 mm (∅ 25 option) |
| Max. machining length (L) | GB: 200 mm / 1 chucking (188 mm: ∅ 25 spec.) NGB: 2.5 D |
| Spindle through-hole diameter | ∅ 26 mm |
| Main spindle speed | Max.10,000 rpm |
| Spindle speed of the gang rotary tool | Max. 6,000 rpm (Rating 4,500 rpm) |
| Max. chuck diameter of back spindle | ∅ 20 mm (∅ 25 option) |
| Max. protrusion length of back spindle workpiece | 50 mm |
| Max. protrusion length | 100 mm |
| Back spindle speed | Max. 8,000 rpm |
| Number of tools to be mounted | 21 |
| Tool size: Tool (gang tool post) | ▢1/2" |
| Tool size: Sleeve | 1" |
| Chuck and bushing: Main spindle collet chuck | TF25 (TF30: ∅ 25 mm) |
| Chuck and bushing: Back spindle collet chuck | TF25 (TF30: ∅ 25 mm) |
| Chuck and bushing: Rotary tool collet chuck | ER11, ER16 |
| Chuck and bushing: Chuck for drill sleeves | ER11, ER16 |
| Chuck and bushing: Guide bushing | TD25NS (CD25: ∅ 25 mm) |
| Rapid feed rate: All axes (except X1) | 32 m/min |
| Rapid feed rate: X1 axis | 18 m/min |
| Motors: Spindle drive | 2.2 / 3.7 kW |
| Motors: Tool spindle drive | 0.75 kW |
| Motors: Back spindle drive | 1.1 / 1.5 kW |
| Motors: Coolant oil | 0.4 kW |
| Motors: Lubricating oil | 0.003 kW |
| Center height | 1,050 mm |
| Rated power consumption | 7.1 kVA |
| Full-load current | 20.2 A |
| Main breaker capacity | 30 A |
| Air pressure & air flow rate for pneumatic devices | 0.5 MPa • 47 NL |
| Weight | 4,851 lbs |
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