Citizen L20 Mobile Headstock CNC Lathe

Introduction

The Citizen L20 CNC sliding headstock lathe, CNC Cincom model, represents a used machine of high precision and reliability. This model, first installed in 1999, is designed for complex, high-quality turning operations. Packed with a host of advanced features, the Citizen L20 is an excellent option for industrial and manufacturing applications requiring precision and efficiency.

Visual Appearance and Construction

Visually, the Citizen L20 lathe has a compact and robust structure, characterized by an ergonomic and functional design. The machine is made with a combination of metal and advanced technological components, with gray finishes and black details that give a professional look. The machine features an easily accessible control panel and a well-designed tool plate.

Main components:

• Sliding headstock: Allows precise movement during the turning process.
• Main Spindle: Equipped with a powerful 3.7 kW motor.
• Sub-spindle: Allows simultaneous turning operations and increases the versatility of the machine.
• Tool Plate: Includes both fixed and powered tools.

Technical Specifications

• Main Spindle Power: 3.7 kW.
• Main Spindle Bar Passage: 20 mm.
• Headstock stroke (Z1 axis): 200 mm.
• Main Spindle Speed: Up to 10,000 rpm.
• Number of Linear Axes: 5 axes.
• Number of Fixed Tool Places on the Tool Holder Plate: 6.
• Number of Powered Tool Places on the Tool Holder Plate: 4.
• X1 Axis Travel: 95.50 mm.
• Y1 Axis Travel: 296.00 mm.
• Rapid feeds of the linear axes: X, Y, Z at 20 m/min.
• Sub-spindle: Yes, with a speed of up to 8,000 rpm.
• CNC: Mitsubishi.
• Turning diameter: 20 mm.
• Bar passage: 20 mm.
• Refrigeration: Whole Oil.
• Number of Motorized Axles: 4.
• Number of C Axes: 2.
• Bar Loader Model: IEMCA MINI BOSS 325 CNC.
• Chip conveyor: Included.
• Year of First Installation: 1999.
• Complete Documentation: Included.

Usage Procedure

1. Machine Preparation:

   • Check the mains connection and make sure the neat oil refrigeration system is functional.
   • Check the IEMCA MINI BOSS 325 CNC bar loader and chip conveyor.

2. Workpiece and Tool Configuration:

   • Insert the workpiece into the main spindle, ensuring that the bar passage is set to 20 mm.
   • Load the tools on the tool holder plate, using the fixed and motorized positions depending on the processing needs.

3. Setting the Processing Parameters:

   • Use the Mitsubishi CNC to program turning parameters, including main and counter spindle speeds.
   • Sets the travels of the X, Y and Z axes and the related rapid feeds.

4. Starting the Machine:

   • Start the turning process, carefully monitoring the machine via the control panel.
   • Controls chip evacuation and refrigeration to ensure optimal operation.

5. Conclusion and Maintenance:

   • Once processing is complete, turn off the machine and remove the finished piece.
   • Perform a thorough cleaning and check the functioning of all components.

Compatible Accessories

The Citizen L20 can be further equipped with several accessories to enhance its capabilities:

• Additional Powered Tools: To increase flexibility and productivity.
• Additional Fasteners: To handle workpieces of different sizes and shapes.
• Advanced Cooling Systems: To optimize refrigeration during particularly intensive processes.

Mathematical Formulas and Parameters of Best Use

To optimize the use of the Citizen L20 lathe, consider the following formulas:

• Cutting Speed ​​(Vc):

  $$V$$

  Where:

  • VcV_c $V$ c ​is
  • DD $D$ is the diameter of the workpiece in millimeters (mm).
  • nn $n$ is the number of revolutions per minute (rpm).

• Advancement (f):

  $$f$$

  Where:

  • ff $f$ is the feed rate in millimeters per revolution (mm/rev).
  • VcV_c $V$ c ​is
  • nn $n$ is the number of revolutions per minute (rpm).

Workable Materials

The Citizen L20 lathe is suitable for processing a variety of materials, including:

• Metals: Steel, aluminum, brass and other common metals.
• Plastic: For applications requiring plastic processing.
• Special Alloys: For components with specific resistance and hardness characteristics.

Maintenance

To ensure long life and optimal performance of the Citizen L20:

• Periodic Check: Regularly check the general conditions of the machine and its components.
• Lubrication: Make sure all moving components are properly lubricated.
• Cleaning: Keep the machine clean of chips and debris, and check the refrigeration system.

Evaluation of a Good Used Car

To evaluate a used Citizen L20 lathe:

• Documentation Check: Verifies the completeness of documentation and maintenance records.
• Visual Inspection: Examine the machine for obvious signs of wear or damage.
• Operational Test: Request a hands-on demonstration to ensure all features work as expected.

Sectors of Use

The Citizen L20 lathe finds application in various sectors:

• Manufacturing Industry: For the production of high precision components.
• Precision Workshops: For working on metals and special materials.
• Automotive and Aerospace Sector: For the production of complex, high-quality parts.

Advantages of Buying Used

Opting for a used Citizen L20 lathe offers numerous benefits:

• Lower Cost: Price significantly reduced compared to new models.
• Immediate Availability: Ready to use and without waiting times for production.
• Reliability: If well maintained, a used lathe can continue to provide high performance over the long term.

In summary, the Citizen L20 CNC sliding headstock lathe, CNC Cincom model, represents a high quality used machine, ideal for a wide range of industrial applications. With its advanced technical specifications and customization options, it offers excellent value for money and superior operational efficiency.