USED CITIZEN A20-3F7 – 2015
The CITIZEN A20-3F7 is a highly advanced Swiss-type CNC automatic lathe designed for manufacturers requiring extreme precision, complex part machining capabilities, and high-volume production efficiency. Manufactured by Citizen Machinery, one of the world’s leading builders of Swiss-style turning centers, the A20-3F7 combines advanced sliding headstock technology with multi-axis machining capabilities to deliver exceptional performance for precision component manufacturing.
The 2015 Citizen A20-3F7 was developed to meet the growing demand for complex, high-accuracy parts in industries where tight tolerances, superior surface finishes, and efficient production are critical. The machine utilizes Citizen’s proven sliding headstock design, allowing material to be supported close to the cutting zone, significantly reducing deflection and improving machining accuracy. This design makes the A20-3F7 particularly effective for machining long, slender, and intricate components that would be difficult to produce efficiently on conventional CNC lathes.
The A20-3F7 features multiple controlled axes, live tooling capabilities, sub-spindle functionality, and synchronized machining operations that enable complete part production in a single setup. By eliminating secondary operations and reducing workpiece handling, manufacturers can improve productivity, reduce labor costs, and maintain consistent quality throughout production runs.
Equipped with a powerful CNC control system, the machine provides sophisticated programming capabilities, high-speed processing, and reliable operation in demanding production environments. The machine’s ability to perform turning, milling, drilling, tapping, threading, cross-drilling, polygon machining, and simultaneous multi-axis operations makes it an extremely versatile manufacturing solution.
Industries such as medical device manufacturing, aerospace, electronics, automotive, defense, telecommunications, hydraulics, fluid power, and precision engineering rely heavily on machines like the Citizen A20-3F7 for producing complex components with exceptional consistency. Its capability to process stainless steel, titanium, aluminum, brass, copper, plastics, and specialty alloys further enhances its versatility.
In the used CNC machine market, the 2015 Citizen A20-3F7 remains highly sought after due to its advanced technology, excellent reliability, outstanding productivity, and ability to produce highly complex precision components with minimal operator intervention.
CITIZEN A20-3F7 – AXIS
| Specification | Details |
|---|---|
| Axis Configuration | 7-Axis Swiss-Type CNC Lathe |
| Main Spindle Axes | X1, Y1, Z1, C1 |
| Sub Spindle Axes | X2, Z2, C2 |
| Simultaneous Control | Multi-Axis |
| Guide Bushing System | Sliding Headstock |
| Positioning Accuracy | High Precision |
CITIZEN A20-3F7 – AXIS TRAVELS / WORK ENVELOPE
| Specification | Details |
|---|---|
| Maximum Bar Diameter | 20 mm |
| Maximum Machining Length | 200 mm (Guide Bushing) |
| Maximum Machining Length Without Guide Bushing | Extended Capability |
| Main Spindle Travel | Programmable |
| Sub Spindle Travel | Programmable |
| Complex Part Machining Capability | Excellent |
CITIZEN A20-3F7 – CAPACITY / TABLE
| Specification | Details |
|---|---|
| Maximum Bar Capacity | 20 mm |
| Main Spindle Capacity | 20 mm |
| Sub Spindle Capacity | 20 mm |
| Maximum Part Length | Application Dependent |
| Production Capability | High Volume |
| Lights-Out Machining Capability | Excellent |
CITIZEN A20-3F7 – SPINDLE
| Specification | Details |
|---|---|
| Main Spindle Speed | 10,000 RPM |
| Sub Spindle Speed | 8,000 RPM |
| Main Spindle Motor | High-Performance AC Servo |
| Sub Spindle Motor | High-Performance AC Servo |
| Spindle Configuration | Main & Sub Spindle |
| C-Axis Capability | Standard |
CITIZEN A20-3F7 – TOOL CHANGER
| Specification | Details |
|---|---|
| Total Tool Positions | Up to 21 Tools |
| Live Tool Stations | Multiple |
| Cross Drilling Capability | Yes |
| End Working Capability | Yes |
| Tool Selection | Automatic |
| Simultaneous Tool Operations | Supported |
CITIZEN A20-3F7 – CONTROL SYSTEM
| Specification | Details |
|---|---|
| CNC Control | Mitsubishi Meldas |
| Programming Type | G-Code |
| Conversational Programming | Available |
| Networking Capability | Available |
| Program Storage | Expanded Memory |
| High-Speed Processing | Yes |
CITIZEN A20-3F7 – COOLANT / DUST / WATER MANAGEMENT
| Specification | Details |
|---|---|
| Flood Coolant System | Standard |
| High Pressure Coolant | Available |
| Through Tool Coolant | Available |
| Coolant Filtration | Standard |
| Mist Collection Compatibility | Available |
| Chip Management System | Integrated |
CITIZEN A20-3F7 – POWER REQUIREMENTS
| Specification | Details |
|---|---|
| Voltage | 220V / 380V / 480V |
| Electrical Phase | 3 Phase |
| Connected Load | Approx. 15 kVA |
| Air Requirement | Shop Air Required |
CITIZEN A20-3F7 – DIMENSIONS
| Specification | Details |
|---|---|
| Machine Length | Approx. 92 in |
| Machine Width | Approx. 52 in |
| Machine Height | Approx. 74 in |
| Machine Weight | Approx. 6,500 lbs |
CITIZEN A20-3F7 – GENERAL INFORMATION
| Specification | Details |
|---|---|
| Manufacturer | Citizen Machinery |
| Model | A20-3F7 |
| Year | 2015 |
| Machine Type | Swiss-Type CNC Automatic Lathe |
| Control | Mitsubishi Meldas |
| Country of Manufacture | Japan |
| Primary Application | Precision Swiss Machining |
INDUSTRIES THAT USE CITIZEN A20-3F7
The Citizen A20-3F7 is widely utilized in industries that demand precision, repeatability, and efficient production of small complex components. Medical device manufacturers frequently use the machine to produce surgical instrument components, orthopedic device parts, bone screws, dental implants, medical connectors, and minimally invasive surgical components. The machine’s ability to maintain tight tolerances and exceptional surface finishes makes it particularly valuable in medical manufacturing environments.
Aerospace manufacturers rely on the A20-3F7 for producing hydraulic fittings, fasteners, sensor housings, fuel system components, connectors, and critical precision parts used throughout aircraft systems. The machine’s capability to process aerospace-grade materials while maintaining accuracy supports demanding industry requirements.
Electronics and telecommunications companies utilize the machine for precision connectors, miniature housings, fiber optic components, electronic hardware, and communication equipment parts. The compact dimensions and intricate geometries of these components are well suited to Swiss machining technology.
Automotive suppliers machine fuel injection components, sensor bodies, transmission components, valve parts, and precision assemblies. Additional industries include defense, hydraulics, fluid power, industrial automation, instrumentation, semiconductor manufacturing, and contract precision machining operations.
The machine’s versatility and productivity allow manufacturers to achieve exceptional output levels while maintaining consistent quality standards across high-volume production runs.
TYPICAL PARTS CITIZEN A20-3F7 CAN PRODUCE
The Citizen A20-3F7 is capable of producing a wide variety of highly precise and complex components. Medical applications include surgical screws, bone fixation devices, dental implant components, catheter fittings, instrument shafts, and miniature medical connectors. The machine’s Swiss-type design provides the accuracy and surface finish quality required for critical medical products.
Aerospace applications include hydraulic fittings, fasteners, connectors, sensor housings, fuel system parts, bushings, and actuator components. The machine’s ability to maintain dimensional consistency supports demanding aerospace manufacturing requirements.
Electronics manufacturers use the machine for producing miniature connectors, communication hardware, electronic housings, precision terminals, fiber optic fittings, and semiconductor equipment components. The machine’s live tooling and multi-axis functionality allow complex features to be completed in a single setup.
Additional applications include valve components, hydraulic fittings, pneumatic connectors, instrumentation parts, industrial automation hardware, energy-sector components, precision shafts, threaded fittings, and custom engineered products. The machine’s ability to complete multiple operations simultaneously helps reduce cycle times and improve production efficiency.
Its capability to machine stainless steel, titanium, brass, aluminum, copper, plastics, and specialty alloys makes the Citizen A20-3F7 one of the most versatile Swiss-type lathes available.
WHY CHOOSE CITIZEN A20-3F7
The Citizen A20-3F7 is recognized throughout the manufacturing industry as one of the most capable Swiss-type CNC lathes in its class. One of its greatest strengths is the ability to complete highly complex parts in a single setup through simultaneous multi-axis machining and synchronized spindle operations. This significantly reduces secondary operations, setup time, and overall manufacturing costs.
The sliding headstock design provides superior support for long and slender workpieces, resulting in exceptional machining accuracy and improved surface finishes. This capability allows manufacturers to produce components that would be challenging or impossible on conventional CNC turning centers.
Another major advantage is the machine’s productivity. With multiple live tooling stations, sub-spindle functionality, and advanced automation compatibility, the A20-3F7 can achieve extremely high production rates while maintaining consistent quality.
Citizen’s reputation for reliability and precision engineering further enhances the machine’s value. Many manufacturers operate Citizen Swiss machines continuously in demanding production environments due to their durability and long service life.
For companies requiring precision, efficiency, and advanced Swiss machining capabilities, the Citizen A20-3F7 remains one of the industry’s most respected manufacturing platforms.
WHY BUY USED CITIZEN A20-3F7
Purchasing a used Citizen A20-3F7 allows manufacturers to acquire advanced Swiss machining technology at a significantly lower cost than purchasing a new machine. Swiss-type CNC lathes represent a substantial investment, making the used equipment market an attractive option for companies seeking to expand production capacity while controlling capital expenditures.
The A20-3F7 has earned a strong reputation for reliability, precision, and productivity. Properly maintained machines can continue producing high-quality components for many years, providing excellent long-term value. Buyers often gain access to advanced machining capabilities that might otherwise exceed their equipment budgets.
Another advantage of purchasing used equipment is reduced lead time. New Swiss machines often involve lengthy delivery schedules, whereas used machines may be available for immediate acquisition and installation.
Many used Citizen A20-3F7 machines include valuable accessories such as bar feeders, high-pressure coolant systems, mist collectors, tooling packages, and automation equipment. These additions can substantially reduce future investment requirements while improving productivity.
For manufacturers seeking a proven platform capable of producing complex precision components efficiently, a used Citizen A20-3F7 offers outstanding value and excellent return on investment.
HOW MUCH DOES A USED CITIZEN A20-3F7 COST?
The value of a used Citizen A20-3F7 depends on several factors including machine condition, maintenance history, operating hours, tooling packages, installed accessories, and overall market demand. Machines with documented service records and strong maintenance histories generally command higher prices due to their reduced risk and proven reliability.
Options such as bar feeders, high-pressure coolant systems, mist collection units, automation interfaces, tooling inventories, and upgraded software can significantly impact machine value. Buyers frequently place a premium on machines that are production-ready and capable of immediate integration into manufacturing operations.
The demand for Swiss-type CNC lathes remains strong because of their ability to produce highly precise components efficiently. Industries such as medical, aerospace, electronics, and defense continue to invest heavily in Swiss machining technology, helping support resale values for quality machines.
When evaluating total ownership costs, buyers should also consider transportation, rigging, installation, tooling, training, and facility preparation expenses. These costs should be balanced against the productivity improvements and operational benefits provided by the machine.
Compared to purchasing a new Swiss-type CNC lathe, a used 2015 Citizen A20-3F7 can provide substantial savings while still delivering advanced machining capabilities, exceptional precision, and high-volume production performance. For manufacturers seeking a cost-effective solution for complex precision component manufacturing, the A20-3F7 remains an outstanding investment.
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