--- description: It is different for a 4th axis CNC router and a real 4 axis CNC router, how to differentiate? let's make a comparison. title: What is a Real 4 Axis CNC Router? image: https://www.stylecnc.com/uploads/allimg/160113/1452616806154225.jpg --- # [What is a Real 4 Axis CNC Router?](https://www.stylecnc.com/user-manual/What-is-a-real-4-axis-CNC-router.html "What is a Real 4 Axis CNC Router?") Last Updated: 2022-09-23 By [Charles](https://www.stylecnc.com/author/charles "Charles")2 Min Read ## What is a Real 4 Axis CNC Router? It is different for a 4th axis and a real 4 axis CNC router, the machine with 4th axis, only accompanied by a rotary axis system, a real 4 axis CNC machine refers to the X, Y, Z and A axis, 4 axis are linked, which can work at the same time. ![4 axis CNC router]() What is a real 4 axis CNC router? generally, add a rotation axis on the plane CNC router, also called A axis, that is, 4th axis 3D CNC router. how to distinguish a real 4 axis CNC router? We give a common example of 4th axis 3D cylinder engraving, consists of a round short stick engrave a 3D buddha, this work with 4th axis, but only work with 3 axis system, it is used X axis or Y axis to drive the rotation axis,the real worker is a 3 axis CNC router or a 4 axis 3 linkage CNC router. How to know a real 4 axis CNC router, actually, it refers to the X, Y, Z, A (it was called C, is actually a name for the problem), 4 axis are linked, the 4 axis can work at the same time. I believe, there are a lot of clients and friends met the machine of adding a rotation axis on the 3 axis CNC router, it seems this is the 4 axis CNC router, this machine will be used for cylindrical reliefs, also that is, the surface of the cylinder do relief engraving, mostly with wood and stone material, common engraving can be linked through this 3 axis CNC router to achieve. When to use a real 4 axis CNC router? different engraving works, determines the different models and configurations of CNC router, there is a need of cylinder 3D engraving, will use real 4 axis CNC router, if only the need of cylinder plane relief engraving, it is enough to add a rotation axis on the 3 axis CNC router, after all, Big price gap between genuine 4 axis system and 3 axis system. you can choose the 4 axis system between Beijing Rich Auto A18 and Shanghai Weihong 85A card. Actually, it is different in the CNC router with 4th axis and the real 4 axis CNC router. the CNC router with 4th axis, only accompanied by a rotary 4th axis system, to make a special tool path with the appropriate software, it can be called a real 4 axis CNC router, also be able to complete the work with the true 4 axis CNC router - 4th axis cylinder 3D engraving. ![4 axis CNC router]() [4 axis CNC router](https://www.stylecnc.com/cnc-wood-router/4-axis-cnc-router.html "4 axis CNC router") ![4th axis CNC router]() [4th axis CNC router](https://www.stylecnc.com/cnc-wood-router/STYLECNC-1325-CNC-router-with-4-axis-rotary.html "4th axis CNC router") ### Share This Article With Others ### Further Reading #### How to Choose a Suitable Panel Furniture Production Line? 2015-12-26[Prev Post](https://www.stylecnc.com/user-manual/How-to-choose-a-suitable-panel-furniture-production-line.html "How to Choose a Suitable Panel Furniture Production Line?") ### Stepper Motor Driver Solutions for CNC Woodworking Machine 2016-01-14[Next Post](https://www.stylecnc.com/user-manual/Stepper-motor-driver-solutions-for-CNC-wood-router.html "Stepper Motor Driver Solutions for CNC Woodworking Machine") ### Related Guidance [](https://www.stylecnc.com/blog/how-to-start-a-cnc-sign-making-business.html "How to Start a CNC Sign-Making Business | Startup Guide") 2026-04-097 Min Read #### [How to Start a CNC Sign-Making Business | Startup Guide](https://www.stylecnc.com/blog/how-to-start-a-cnc-sign-making-business.html "How to Start a CNC Sign-Making Business | Startup Guide") Learn how to start a CNC sign-making business with real startup costs, equipment recommendations, profitable sign types, pricing strategies, and expert tips. 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