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Everything You Need To Know About 4 Axis CNC Router Machines

2021 Best 4 Axis CNC Routers & Reviews

Are you looking forward to DIY 4 axis CNC router kit plans or coming up with an idea to buy affordable 4 axis CNC router tables for wood, aluminum, stone, plastic, foam with small business, home use, school education, hobbyists or industrial manufacturing? Review the 2021 new 4 axis and 4th axis CNC router machine buying guide for CNC machinists, operators, beginners, wood fabricators, woodworkers, metal fabricators, metalworkers, stone fabricators, stoneworkers, and foam fabricators, we'll offer you 2021 best 4 axis CNC router machines with custom 4 axis and 4th axis rotary CNC router machine service to fit your rotary 4th axis or 4 axis CNC projects, ideas, and plans.

What Is 4 Axis CNC Router?

4 axis CNC router machine is based on the ordinary 3 axis CNC machine, adding the fourth axis (rotary axis). In addition, the 4 axis CNC machine is divided into four-axis three-linkage and four-axis four-linkage CNC machine, not to say that the rotation is added, the axis is a four-axis linkage machine, and a CNC system with a rotating axis and a four-axis linkage can be called as a real 4 axis CNC machine. Because of the rotation movement of the 4th rotary axis, 3D machining of cylindrical, arc, and circular surfaces is realized. A real 4 axis CNC router machine can engrave 360° wood, foam, stone, white marble, human body, buddha statues, sculptures, handicrafts, furniture, etc. 4 axis is refer to X-Y-Z-A, X-Y-Z-B or X-Y-Z-C, 4 axis are linked, the four axis can work at the same time. If the machine has only three feed axes (X, Y, Z), the Y-axis can be manually replaced with a rotating axis, and it can only be three-axis linkage at most. This is a 4th axis CNC router machine, and it is also the usual fake four axis. In terms of use, it can process planes, reliefs, and cylinders. If the machine has four feed axes (X, Y, Z, A), it can be processed with four-axis linkage, and can process planes, reliefs, cylinders, non-standard three-dimensional patterns, and corners of 3D patterns. 4 axis CNC routers are also known as 4th axis CNC routers, rotary CNC routers, 4 axis CNC router tables, 4 axis CNC router machines, 4 axis CNC router kits, 4 axis CNC machines, 4 axis CNC machining centers.

Applications

1. Carpentry: relief and hollow carving of hardwood furniture.

2. Furnitures: wooden doors, cabinets, panel, office, solid wood furniture, doors and windows of tables and chairs,

3. Advertising: advertising signs, logo production, acrylic cutting, plastic molding, and various materials for advertising decorations.

4. Woodworking: audio, game cabinets, computer tables, sewing machines, musical instruments.

5. Panel Processing: Insulation parts, plasticized workpieces, PCB, bowling track, stairs, anti-fold special board, epoxy resin, ABS, PP, PE and other carbon mixtures.

6. 4 axis CNC machine can be applied to aluminum cutting industry, aluminum plate, aluminum plastic plate, aluminum honeycomb plate, aluminum profile, 3D machining process, wave plate production, various kinds of artificial plate special-shaped cutting, LED, neon slotted literal cutting, plastic suction Light box mold production. Acrylic, copper plate, PVC plate, artificial stone, MDF plate and other panel processing.

Features

1. Support A/C code format and special M code control.

2. Customizable and editable I/O interface, providing users with a wide range of development platforms.

3. Intelligent processing memory function, support breakpoint continuous carving.

4. Stronger anti-interference ability and passed a number of CE tests.

5. With parameter backup and recovery functions, it effectively prevents the loss of important parameters.

6. It can realize the processing of complex workpieces such as cylinders, prisms, and polyhedrons.

7. It is widely used in three-dimensional jade carvings, three-dimensional stone carvings, Buddha statues, stair pillars, sofas, table legs, etc.

4th Axis (Rotary Axis)

The 4th axis is also called as the CNC indexing head of CNC machine, which is a machine tool accessory that clamps the workpiece on the chuck or between the two centers, and makes it rotate, index and position. The advantage of adding the 4th axis to the machine is that it can make the plane of the tool machining more extensive, and can reduce the repeated clamping of the workpiece, improve the overall processing accuracy of the workpiece, and help simplify the process and improve the production efficiency.


Specifically, the 4th axis can complete the tasks that the 3 axis CNC machine cannot complete at one time. It can realize multi-sided processing of the product through rotation, which greatly improves the machining efficiency and reduces the number of clamping, shorten production time.


1. The rotation angle can process multiple surfaces at the same time, which improves the overall machining accuracy of the workpiece, which is beneficial to simplify the process and improve the production efficiency.

2. The three axes are X, Y, Z three linear moving coordinates, and the 4th axis is generally a rotating axis, which can cause an angular offset between the tool and the workpiece, that is, the tool axis and the surface normal of the workpiece form an angle. One can expand the machining range, and the other can make the machining conditions better.


What Are The Functions Of The Rotary Axis (4th Axis)?


1. Calculate the rotating engraving path without unfolding the surface.

2. No need to rotate the workpiece repeatedly, and complete the tool path calculation at one time.

3. Reduce the finishing allowance, and the tool path can be roughed in layers.

4. Realize partial rotation processing, can set the angle range and length range.

5. Affected by the accuracy of the fixture, the machining of irregularly rotating workpieces usually adopts multi-face rotation positioning machining, and there are always joints between different machining directions.

6. Rotary carving without positioning joints adopts the integral method of rotating shaft, and the CNC machine generates an automatically closed rotary engraving processing path.


How To Use The Rotary Axis (4th Axis)?


1. Put it directly on the platform, so that the gantry needs to be heightened, and the platform size will not be affected when the plane is carved. The rotating shaft can be put on and taken down at any time.

2. Put the side of the platform, the diameter of the rotating shaft affects whether the gantry is heightened. If the diameter is large, the gantry needs to be heightened. If the diameter is 10cm, it is not necessary. .

3. The table top sinks, the table top sinks as a whole, put the rotary axis under the platform, if you carve the plane, put the platform on the rotary axis for carving.

4 Axis VS 3 Axis

3 axis CNC machine has only three coordinate axes, X, Y, and Z, while the 4 axis CNC machine has one more indexing head than the 3 axis CNC machine. The indexing head is a common accessory of CNC machines and is used for machining complex products. The best auxiliary tool, controlled by the CNC operating system, can realize linkage with other axes. It is mainly used for indexing and positioning machining of workpieces. The indexing device is generally located on the spindle of the machine tool. Under normal circumstances, the CNC machine has three basic axes, X, Y, and Z. The other rotation and feed axes are the fourth axis. The latter can realize the positioning of the tool magazine, the rotary positioning of the rotary table and the indexing head, and more advanced The system can also perform interpolation operations with the basic axis to realize four-axis and five-axis linkage. 


3 axis CNC machine cannot process many surfaces even if it is horizontally rotated through the table. 4 axis is better than 3 axis in this respect. In terms of programming, the difference between 3 axis and 4 axis is basically the same. The operator who can operate the 3 axis CNC machine can quickly get started with the operation of the 4 axis CNC machine, and the operation difference will not be much worse.

4 Axis VS 5 Axis

Four-axis linkage and five-axis linkage generally refer to the number of linkage control axes of the CNC machine control system. Four-axis linkage must first have four controllable axes, and the four axes can be interpolated motion control at the same time, that is, the four axes can achieve simultaneous linkage control. The motion speed during simultaneous linkage is the composite speed, and It is not separate motion control. It is a point in space that moves through four axes at the same time to reach another point in space. It moves from the starting point at the same time to the end point and stops at the same time. The motion speed of each axis in the middle is the motion interpolation of the controller according to the programmed speed. The speed of each axis is synthesized internally by the algorithm. For a four-axis machining center, it is X, Y, Z axis plus a rotation axis A (also can be B axis or C axis, the definition of A, B and C axis is corresponding to the rotation around X, Y and Z axis respectively Axis, generally the fourth axis is the A axis that rotates around the X axis or the B axis that rotates around the Y axis. This depends on the installation position of the fourth axis on the actual machine tool), and this fourth axis is not only It can move independently and can also be linked with another axis or two axes or these four axes at the same time. Some machine tools have four axes, but they can only move independently. They can only be used as indexing axes, that is, they will be stopped and locked after rotating to an angle. This axis does not participate in the cutting process. It is only used for indexing. The only type can only be called Four-axis three linkage. Similarly, the total number of axes of a four-axis linkage machine tool can be more than 4 axes, it can have five axes or more, but its maximum number of linkage axes is four axes.


5 axis CNC machining means that there are at least five coordinate axes (three linear coordinates and two rotating coordinates) on a machine tool, and it can be processed simultaneously under the control of a computer numerical control (CNC) system. Linkage means that the axes of the CNC machine reach a certain set point at a certain speed at the same time. Five-axis linkage is all five axes. The 5 axis CNC machine is a high-tech, high-precision machine tool specially used for processing complex curved surfaces. This machine tool system is useful for a country’s aviation, aerospace, military, scientific research, precision equipment, high-precision medical equipment and other industries.

Entry Level Desktop CNC Router Kit with 2x3 Rotary Table

Model Number: STG6090

Sale Price: $2580.00 to $3000.00

2021 best desktop CNC router kit with 2x3 rotary table is an entry level CNC router kit designed for for craftsman, home shop, hobby, small business, advertising, woodworking, arts, gifts, crafts, sign making and mold making, now the affordable desktop 2x3 CNC router table for sale at cost price.

Top Rated 4 Axis CNC Router 1325 with 4x8 Rotary Table

Model Number: STM1325-R3

Sale Price: $5380.00 to $10180.00

Top rated 4 axis CNC router 1325 with 4x8 rotary table (4th axis) is popular used in woodworking, sign making, mold making, arts and crafts, now the best 1325 CNC router for sale at affordable price, free service and support.

4th Rotary Axis Hobby CNC Router for Sign Making with Wood, MDF, Aluminum

Model Number: STM6090

Sale Price: $2800.00 to $3500.00

4th rotary axis hobby CNC router for sign making is the best hobby CNC machine for small shop, home business, and craftsman. The rotary 4th axis CNC router machine is used for custom signs & signage or DIY signs with wood, acrylic, PVC, MDF, plastic, foam, copper, aluminum, etc.

2021 Best CNC Router Lathe Machine with Rotary Axis

Model Number: STM1325-R1

Sale Price: $5780.00 to $7000.00

2021 best CNC router lathe machine with rotary axis (4th axis) is designed for 2D/3D CNC woodworking projects, which is also known as CNC lathe router machine. Now the rotary axis CNC router lathe machine for sale at low price.

4 Axis CNC Router for Woodworking with ATC System

Model Number: STM1325D-4A

Sale Price: $22800.00 to $35000.00

4 axis CNC router for woodworking with ATC system is used for carving, cutting, milling and drilling, the 4 axis CNC machine adopts HSD automatic tool changer spindle with 8 position rotary carousel tool holder, which is suitable for machining on different surface.

2021 Best 4 Axis CNC Foam Cutter for Sale at Affordable Price

Model Number: STM1530

Sale Price: $33000.00 to $41000.00

2021 best 4 axis CNC foam cutter is used to mill and cut foam board, styrofoam, EPS foams, XPS foams, and rigid polystyrene foams to different 2D/3D shapes, and now the CNC foam cutting machine for sale at affordable price.

4th Axis CNC Wood Carving Machine for Wood Furnitures, Tables, Chairs, Doors

Model Number: STM1625D-R1

Sale Price: $20300.00 to $22980.00

CNC wood carving machine with disc ATC system and 4th rotary axis is used for carving and cutting wood furnitures, cabinets, tables, chairs, doors, windows. Now the 4th axis CNC wood carving machine for sale at affordable price, free service and support.

3D CNC Router for Woodworking with 4 Axis Rotary and 8 Heads

Model Number: STM25120

Sale Price: $13000.00 to $16000.00

3D CNC router for woodworking with 4 axis rotary and 8 heads is used for 3D carving, relief carving, cylinder carving such as wood crafts, wood arts, buddha statues, table legs, roman columns. The 3D CNC wood router can make 8 workpieces at one time.

2021 Best 4 Axis CNC Router for Sale at an Affordable Price

Model Number: STM1325-4A

Sale Price: $22800.00 to $38000.00

2021 best 4 axis CNC router machine is designed for 3D curved surface carving, 4 axis is refer to X-Y-Z-A, X-Y-Z-B or X-Y-Z-C, 4 axis are linked, the four axis can work at the same time. Now the affordable 4 axis CNC router for sale at cost price.

Affordable 3D CNC Router Machine with Four Heads

Model Number: STM2015

Sale Price: $6800.00 to $13800.00

Affordable 3D CNC machine with four heads is used for 3D CNC machining of furniture bulk production, 3D sculptures and complex artworks with high speed, high precision, high efficient and low noise. Now the 3D CNC router for sale at affordable price.

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