spur gear rack

A rack and pinion mechanism is used to transform rotary movement into linear movement and vice versa. A circular spur equipment, the pinion, meshes with a spur equipment which has teeth set in a straight range, the rack. Rack and pinion gears are accustomed to convert rotation into linear motion. An ideal example of this is actually the steering program on many vehicles. The tyre rotates a equipment which engages the rack. As the gear turns, it slides the rack either to the proper or left, depending on which way you turn the wheel.
A rack and pinion program gives the capability to transfer rotary to linear motion, with all the precision expected of a geared program.

The racks are produced from ground, hardened stainless steel or ground stainless and available with a selection of accuracies, pitches, and lengths, in addition to the facility to supply modifications such as flats, journals or custom ends. Hobbed stainless steel and brass racks are also offered. The rack pinions are basic or anti-backlash, also with a selection of accuracies, pitches, bore sizes, alternative materials and coatings.

Ground rack can be used for both measurement and actuation. Generally the smaller pitches (1 mm) fit measurement as small pinion diameter gives higher linear resolutions. The larger pitches (2 mm and 2.5 mm) enable a higher load capacity. For most applications the rack can be utilized for both the feedback and the actuation; however in very precise applications it is best to us a non-drive portion of the rack for opinions, alternatively a separate rack may be used. Hobbed rack are more suitable for light actuation applications where cost is an integral consideration.

You can expect three types of rack – rectangular, solid circular and tubular rack. Rectangular rack are used when the application requires the rack to end up being stationary and the rack pinion supplies the element of motion. Our rectangular racks are used with a motor, slide and carriage for instance in the printing sector for the actuation of paper slicing knives in a printing press. Circular rack certainly are a more flexible alternative, in regards to to mounting, utilized for example in XY phases. The tubular racks enable the passage of liquids, fibre-optics, gasses etc, producing them well suited for medical and Spur Gear Rack scientific applications, such as for example laboratory automation pick and place mechanisms.
Round racks are perfect for linear actuators in accurate automation applications . Tubular racks are especially useful for medical and scientific applications, where the hollow shaft permits the passage of liquids, fibre optics and gases.


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As one of leading manufacturers, suppliers and exporters of mechanical products in China, We offer reducers, sprockets, industrial and conveyor chain, belts, pulleys, gears, racks, gearboxes, motors, PTO Shafts, taper lock Bushing, vacuum Pumps, screw air compressors and many other products. Please contact us for details.