Linear Axis (Genesis) Assembly

About Linear Axis (Genesis) Assembly

• A linear axis assembly is a mechanical system used to produce precise straight-line motion (X, Y, or Z direction). In Genesis-type systems (like CNC machines or FarmBot), it forms the core movement mechanism that positions tools accurately.

  It typically uses a stepper motor + leadscrew or belt drive mounted on an aluminum rail to convert rotational motion into linear displacement.

  These assemblies are widely used in:

  • CNC machines
  • 3D printers (Z-axis movement)
  • Robotics and automation
  • Pick-and-place systems

  A common example is a lead screw-driven actuator, where the motor rotates a threaded rod to move a carriage up/down with high precision.

  KEY FEATURES
  • High precision linear motion
  • Smooth and controlled movement
  • Modular and expandable design
  • Suitable for vertical (Z-axis) and horizontal motion
  • Compatible with CNC controllers and microcontrollers
  SPECIFICATIONS (Typical Linear Axis / Genesis Type) Mechanical Specifications
  • Drive Type: Lead screw / Ball screw / Belt drive
  • Guide System: Linear rails or V-slot wheels
  • Frame Material: Aluminum extrusion (e.g., 2040, 2060 mm)
  • Travel Length:
    • 100 mm to 1000 mm (depends on design)
  Motion & Accuracy
  • Positioning Accuracy: ~0.05 mm to 0.10 mm
  • Repeatability: 0.03 mm (ball screw systems)
  • Linear Feed per Step: ~0.075 mm (typical)
  • Max Speed: Up to ~8000 mm/min
  Motor Specifications
  • Motor Type: NEMA 17 Stepper Motor
  • Step Angle: 1.8
  • Torque: ~0.450.50 Nm
  • Current Rating: ~1.8 A
  Load Capacity
  • Horizontal Load: up to 2030 kg
  • Vertical Load (Z-axis): up to 1015 kg
  • Max Force Output: ~60100 N
  Screw Details (if lead/ball screw used)
  • Type: ACME / SFU1605 ball screw
  • Diameter: ~16 mm
  • Lead/Pitch: 5 mm per revolution
  Electrical & Control
  • Control System: CNC controller / Arduino / PLC
  • Driver: DRV8825 / A4988 (common)
  • Power Supply: 12V24V DC
  Other Features
  • Modular design (expandable axes)
  • Low backlash (especially ball screw type)
  • High stiffness and durability
  • Easy integration with automation systems