Best 4 Axis Vertical CNC Router For Sale

Our 4-axis vertical CNC router is widely used in 3D carving, cylindrical machining, and intricate designs on wood, foam,stone, ceramics & more. Equipped with XYZ+A rotational axis, ideal for spiral patterns, symmetric parts, and efficient multi-side processing. 

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Table of Contents

What Is a 4 Axis Vertical CNC Router?

A 4-axis vertical CNC router is a computer-controlled machining device designed to carve, cut, mill or engrave materials by moving a cutting tool along four coordinated axes. Compare with common CNC Routers,the vertical CNC router equips with horizontal spindle.

How It Works?

  • Control System: A computer program (e.g., G-code) dictates the tool’s path and the 4th axis rotation.
  • Vertical Configuration: The spindle (holding the cutting tool) is horizontally oriented, making it ideal for large workpieces placed on a horizontal table.
  • Coordination: The 4th axis works in sync with X, Y, Z to create complex 3D shapes, such as:
    • Curved edges on furniture parts.
    • Spirals or helical patterns on cylindrical objects.
    • Symmetric designs on round materials (e.g., bowls, columns).
 

What Is the Advantage of the Vertical CNC Router?

When a horizontal spindle works with the rotary axis, it enables multi-angle rotational machining of workpieces, which is particularly suitable for carving cylindrical or curved workpieces.In contrast, a traditional vertically placed spindle faces spatial constraints during rotational machining. Besides, the rotary is mounted on the horizontal table, allowing it to hold various materials even without a tailstock.

Consideration for Use of The Vertical CNC Engraver

  • Workpiece Limitations: The 4th axis is best for relatively small to -large sized parts,no matter the weight is light or heavy.
  • Software Requirements: Requires 4-axis-compatible CAD/CAM software (e.g., Powermill,Mastercam,Fusion 360, VCarve Pro) to generate toolpaths.
  • Calibration: The rotary axis must be precisely aligned with the machine’s coordinate system to avoid errors.

4 Axis Vertical CNC Engraving Machine Parameters

DescriptionParameters
Machine modelU-R680-4A
Working areaDiameter: 600mm, Height: 800mm
Machine structureSteel
Driving systemHybride Servo or Servo 
Spindle1.5-3.0KW water cooling
Spindle speed0-24000rpm
Transmit wayHigh precision ballscrews
Guide railsLinear square rails and bearings
Control systemCNC Control
CommandG code

Four Axis Vertical CNC Applications

Medical Orthopedic Molds

Four axis vertical CNC have diverse medical applications. They fabricate custom orthopedic molds for prosthetics or braces.

Wood,Foam Statue Figure Fabrication

Vertical engraving machines revolutionize statue creation by enabling precise, complex designs. They carve intricate details on materials like wood,foam,stone,clay and other materials, translating digital models into physical artworks. For large statues, these machines handle rough shaping and fine detailing, while smaller ones excel in miniature sculptures. They also allow duplicate of classic statues with high accuracy, combining artistry with technological precision.

Samples Made by the 4 Axis Vertical CNC Router

wood vertical cnc router
Wood Statue Carving
polyurethane mold milling
Foam Mold Milling
Earthenware Carving
Clay 3D Carving
Earthenware Carving
Terracotta Engraving
Plaster Mold 3D Carving
Plaster Mold Carving
Porcelain 3D Carving
Porcelain 3D Carving
Sculpture Carving
Sculpture Carving
polyurethane mold cnc milling sample
Polyurethane Mold Carving

Frequently Asked Question

Here are the answers to the frequently asked questions from the experienced polyurethane mold CNC carving machine manufacturer.

CAM software like Mastercam,Powermill, Artcam, UG, Fusion360 are all good for this machine. These CAM software can convert 3D models into G – code, which is the command language understood by the CNC carving machine.

CAM software like Mastercam,Powermill, Artcam, UG, Fusion360 are all good for this machine. These CAM software can convert 3D models into G – code, which is the command language understood by the CNC carving machine.

This machine gives high – precision carving. The accuracy can reach up to 0.01 – 0.1 millimeters, depending on the model and its components. High – precision ball screws, linear guide rails, and advanced control systems contribute to this accuracy. This level of precision ensures that the orthotic molds fit the intended anatomical structure accurately, providing the necessary support and correction.

 

The carving time depends on several factors, including the complexity of the mold design, the size of the mold, and the cutting parameters set. For a relatively simple orthotic mold with a standard size, it may take around 30 minutes to 2 hours. More complex designs with intricate details or larger sizes can take 3 – 6 hours or even longer. Optimizing the cutting path in the CAM software can also help reduce the carving time.

Most manufacturers and suppliers of these vertical CNC carving machines offer training to help users get familiar with the machine’s operation, software usage, and basic maintenance. After – sales support is also typically provided, which may include technical assistance over the phone or online, software updates, and access to replacement parts. It is important to clarify the details of the training and after – sales support services before purchasing the machine to ensure a smooth experience during its use.

Regular maintenance is crucial to ensure the machine’s performance and longevity. This includes cleaning the machine after each use to remove foam debris, lubricating the linear guide rails and ball screws according to the manufacturer’s recommendations (usually every few months), checking and tightening any loose components, and periodically calibrating the machine to maintain accuracy. Additionally, it is important to keep the control system clean and free from dust and moisture.

Most Polyurethane PU Foam Orthotic Mold CNC Carving Machines can handle a range of foam densities. However, the cutting parameters such as spindle speed, feed rate, and cutting depth may need to be adjusted accordingly. Softer foams may require lower spindle speeds and slower feed rates to prevent excessive material removal or damage to the mold, while harder foams may need higher speeds and more aggressive cutting settings. It is advisable to test on sample materials first to determine the optimal parameters.

When operating the machine, always wear appropriate personal protective equipment, including safety glasses, earplugs (due to the noise generated during operation), and work gloves. Make sure the machine is properly grounded to avoid electrical hazards. Before starting a carving job, double – check that all safety guards are in place and functioning correctly. Do not reach into the working area while the machine is running, and follow the machine’s operating manual for proper startup, shutdown, and emergency stop procedures.

Yes, customized sizes are highly acceptable. The  4 Axis polyurethane CNC milling machine can be manufactured according to customer`s request.

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