Customization: | Available |
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Application: | Motor, Electric Cars, Motorcycle, Machinery, Marine, Toy, Agricultural Machinery, Car, Metric Gear |
Hardness: | Hardened Tooth Surface |
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Tractor Bevel Helical Rack Ring and Pinion Gears
A rack and pinion is a type of linear actuator that comprises a circular gear (the pinion) engaging a linear gear (the rack).[1] Together, they convert between rotational motion and linear motion: rotating the pinion causes the rack to be driven in a line. Conversely, moving the rack linearly will cause the pinion to rotate.
The rack and pinion mechanism is used in rack railways, where the pinion mounted on a locomotive or a railroad car engages a rack usually placed between the rails, and helps to move the train up a steep gradient. It is also used in arbor presses and drill presses, where the pinion is connected to a lever and displaces a vertical rack (the ram). In pipelines and other industrial piping systems, a rack displaced by a linar actuator turns a pinion to open or close a valve. Stairlifts, lock , electric, and the mechanical steering mechanism of cars are other notable applications.
The term "rack and pinion" may be used also when the rack is not straight but arcuate (bent), namely just a section of a large gear.[2]
A single pinion can simultaneously drive two racks, parallel but opposite; which will always be displaced by the same distance, only in opposite directions. Conversely, by applying opposite forces to the two racks one can obtain pure torque on the pinion, without any force component. This double rack and pinion mechanism can be used, for example, with a pair of pneumatic actuators to operate a valve with minimum stress.
We can produce large forging,casting and welding gears according to customer's drawings.According to the working conditions and clients' request,we also can do gear grinding,surface hardening,cemented and quenching,Nitriding and quenching,etc.
Material | C45,40Cr,20CrMnTi,42CrMo, Copper, Stainless steel,aluminum alloy or as per your requests. |
Process Method | Forging, Machining, Hobbing, Milling, Shaving, Grinding |
Heat Treatment | Quenching,Tempering, High-frequency Hardening, Carburizing,Nitriding...... |
Testing Equipment | Rockwell hardness tester 500RA, Double mesh instrument HD-200B & 3102,Gear measurement center instrument CNC3906T and other High precision detection equipments |
Q1 What do I need for offering a quote?
R: Please offer us 2D or 3D drawings(with material, dimensions, tolerance,surface treatment and other technical requirement etc.), quantity, application or samples. Then we will quote the best price within 24 hours.
Q2 How long is your delivery time?
R: The general delivery date is 30 days, and we allow 10 days under special situation.
Q3 How to gurantee the quality of gears and parts?
R: We are ISO 9001:2008 certified factory and have an integrated inspection system for industrial parts quality control from material to outcoming products.
Q4 Are you trading company or manufacturer ?
R: We are machinery parts manufactuer in China with two manufacturing bases.
Q5 What kind of producing equipments do you have?
R: Our major equipments include CNC latches machine, CNC machining center, grinder, hobbing machine, gear shaping machine, CNC gear grinding machine etc.
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