Gear Racks

A gear rack is a mechanical component that forms part of a linear actuator, which transfers rotational movement into linear movement. 


Gear racks work in conjunction with pinions (circular gears) to create vertical and horizontal movement, for example, in lifting equipment. Both the gear rack and the pinion have teeth cut into them. Applying rotational movement to the pinion causes its teeth to interact with the teeth on the straight gear rack, creating linear movement. 


What are gear racks used for?

Gear racks are important for applications where shaft rotation is done by hand or a motor. They are also used to control valves in pipeline transport. 

 

Apart from usage in lifting mechanisms, gear racks can help directional change. They provide rigidness coupled with responsiveness for increased control, which is ideal for steering systems. 


Their main advantages are their simple design, significant load carrying capacity and unlimited length design capabilities.


Types of gear racks

Conveying systems use fixed racks, where the rack and pinion are joined with straight or helical teeth and the rack remains stationary.


Extrusion systems make use of moving racks, which rotate around the gear, supported by roller mechanisms.


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Description Price Module Material Flexibility Overall Length Number of Teeth Pitch Centre Height Face Width Maximum Operating Temperature
RS Stock No. 182-7879
BrandRS PRO
HK$230.92
Each
units
0.7 Steel - 300mm - 9.3mm 5mm -
RS Stock No. 182-7860
BrandRS PRO
HK$263.91
Each
units
2.0 Steel - 500mm - 18mm 20mm -
RS Stock No. 182-7942
BrandRS PRO
HK$112.99
Each
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1.5 - - 250mm - 10.5mm 12mm -
RS Stock No. 182-7857
BrandRS PRO
HK$524.48
Each
units
1.5 Steel - 1000mm - 15.5mm 17mm -
RS Stock No. 182-7921
BrandRS PRO
HK$52.87
Each
units
0.7 - - 250mm - 6mm 6mm -
RS Stock No. 521-7792
BrandRS PRO
HK$331.65
Each
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2 Steel - 500mm 80 23mm 20mm -
RS Stock No. 182-7960
BrandRS PRO
HK$184.94
Each
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2.0 - - 250mm - 9mm 15.4mm -
RS Stock No. 182-7854
BrandRS PRO
HK$461.73
Each
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1.0 Steel - 1000mm - 14mm 15mm -
RS Stock No. 182-7858
BrandRS PRO
HK$247.36
Each
units
1.0 Steel - 500mm - 9mm 10mm -
RS Stock No. 182-7861
BrandRS PRO
HK$528.16
Each
units
2.0 Steel - 1000mm - 18mm 20mm -
RS Stock No. 182-7855
BrandRS PRO
HK$262.53
Each
units
1.5 Steel - 500mm - 15.5mm 17mm -
RS Stock No. 876-2419
BrandRS PRO
HK$234.75
Each
units
1 Steel - 300mm - - 6mm -
RS Stock No. 182-7859
BrandRS PRO
HK$495.06
Each
units
1.0 Steel - 1000mm - 9mm 10mm -
RS Stock No. 521-7786
BrandRS PRO
HK$323.52
Each
units
1.5 Steel - 500mm 107 18.5mm 15mm -
RS Stock No. 876-2412
BrandRS PRO
HK$381.98
Each
units
1 Steel - 1000mm - 11mm 10mm -
RS Stock No. 182-7984
BrandRS PRO
HK$75.98
Each
units
1.0 - - 250mm - 8mm 9mm -
RS Stock No. 521-7837
BrandRS PRO
HK$1,115.40
Each
units
1 POM Flexible 2000mm 636 0.9mm 5mm +100°C
RS Stock No. 182-7853
BrandRS PRO
HK$230.92
Each
units
1.0 Steel - 500mm - 14mm 15mm -
RS Stock No. 521-7809
BrandRS PRO
HK$739.02
Each
units
1 Stainless Steel - 500mm 160 11mm 10mm -
RS Stock No. 876-2416
BrandRS PRO
HK$589.05
Each
units
1.5 Steel - 1000mm - 18.5mm 15mm -
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