The High-tech Ceramic Spindles, from Maxon Motor Australia , are used to convert rotary into linear motion. The rotation of the spindle generates an exactly defined linear stroke as a function of its spindle pitch.
Compared to conventional steel spindles or expensive recirculating linear ball screws, Maxon threaded spindles are made of zirconium dioxide.
A high- performance ceramic have many advantages that can be critical in a variety of applications. As an example, the ceramic spindle has virtually no slip-stick effect and consequently starts without jerking.
Due to their good anti-friction properties and high wear resistance, the High-tech Ceramic Spindles can attain speeds of up to 10,000 revolutions per minute. These attributes allow highly dynamic yet precise motions. The service life of a ceramic spindle is a multiple of a steel spindle's life.
An important consideration for the design engineer: In mechanical design, the High-tech Ceramic Spindle allows substantially greater freedom in the use of space than a recirculating ball screw does.
The external geometry of the nut can be selected virtually without constraints to allow a compact design. No balls need to be recirculated within the nut, a fact that makes it much easier to miniaturise linear nuts.
By matching the nut to the spindle, play of the linear unit can be kept to a minimum to provide precise movements. At the present time, spindles with diameters from 2 to about 10 millimetres can be economically produced with various spindle pitches.
High-tech Ceramic Spindles can be used in high-temperature applications as well as in magnetically inductive environments. In a magnetic resonance system, for instance, a High-tech Ceramic Spindle will not distort the magnetic fields.
The biocompatibility of this material also makes the High-tech Ceramic Spindles suitable for use in a variety of medical systems.