Cartesian coordinate robot
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A Cartesian coordinate robot (also called linear robot) is an industrial robot whose three principal axes of control are linear (i.e. they move in a straight line rather than rotate) and are at right angles to each other.[1] The three sliding joints correspond to moving the wrist up-down, in-out, back-forth. Among other advantages, this mechanical arrangement simplifies the Robot control arm solution. It has high reliability and precision when operating in three-dimensional space.[2] As a robot coordinate system, it is also effective for horizontal travel and for stacking bins.[3]
Cartesian coordinate robots with the horizontal member supported at both ends are sometimes called Gantry robots; mechanically, they resemble gantry cranes, although the latter are not generally robots. Gantry robots are often quite large.
Applications
A popular application for this type of robot is a computer numerical control machine (CNC machine) and 3D printing. The simplest application is used in milling machines and plotters where a tool such as a router or pen translates across an x-y plane and is raised and lowered onto a surface to create a precise design.
Pick and place machines are another application for Cartesian coordinate robots. For example, overhead gantry Cartesian robots are applied for continuous parts loading and unloading on CNC lathes production lines, performing 3-axis (x, y, z) pick and place operations of heavy loads with high speed performance and high positioning accuracy. In general, overhead gantry Cartesian robots are suitable for many automation systems.[4]
See also
References
- ^ Zhang, Dan; Wei, Bin (2016). Mechatronics and Robotics Engineering for Advanced and Intelligent Manufacturing. Cham: Springer. p. 31. ISBN 978-3-319-33580-3.
- ^ Mingtu, Ma; Yisheng, Zhang (2018). Advanced High Strength Steel And Press Hardening - Proceedings Of The 4th International Conference On Advanced High Strength Steel And Press Hardening (Ichsu2018). Singapore: World Scientific. p. 526. ISBN 978-981-327-797-7.
- ^ Poole, Harry H. (2012). Fundamentals of Robotics Engineering. New York: Van Nostrand Reinhold. p. 35. ISBN 978-94-011-7052-9.
- ^ "When do you need a gantry robot". Linear Motion Tips. Danielle Collins. Retrieved 21 September 2017.
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