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High-tech Ceramic Spindle

Supplier: maxon motor australia

Better than Steel!

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These threaded spindles 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 outstanding anti-friction properties and high wear resistance, 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 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 very compact design. No balls need to be recirculated within the nut - a fact that makes it much easier to miniaturize linear nuts.

By matching the nut to the spindle, play of the linear unit can be kept to a minimum to provide very precise movements. At the present time, spindles with diameters  from 2 to about 10 millimeters can be economically produced with various spindle pitches. Ceramic spindles can be used in high-temperature applications as well as in magnetically inductive environments. In a magnetic resonance system for instance a ceramic spindle will not distort the magnetic fields.

The biocompatibility of this material also makes ceramic spindles very suited for use in a variety of medical systems..

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