Rack And Pinion Linear Actuator

The rack and pinion driven modular actuators system is suitable for highly dynamic servo operation and ideal for lifting movements.

Rack and pinion linear actuator. Rack and pinion actuators are mechanical devices used to automatically open and close valves or dampers usually for industrial applications. Rack and pinion actuators form part of the linear actuation range that converts linear motion to rotary which enables the on off and application control of quarter turn ball butterfly and ball valves. This force thus torque may still be substantial and so it is common. Manufacturers regularly discourage the use of belt driven actuators in vertical applications due to the risk of damage or more importantly personal injury if the belt breaks or the brake mechanism fails while rack and pinion systems can be back driven like ball screws they are much less likely to experience catastrophic failure in vertical applications.

Rack and pinion combinations are often used as part of a simple linear actuator where the rotation of a shaft powered by hand or by a motor is converted to linear motion. Flowserve automax supernova series rack and pinion actuators are designed for butterfly plug or ball valves and offer one compact design for double acting and spring return functionality. This rotary action is achieved through the use of double integral pistons and racks that drive the connecting pinion. The rack and pinion driven modular linear actuator come with an internal linear ball bearings that can be adjusted free of play is driven along the guide rods by a high precision rack.

What is a rack pinion actuator. Side located stops allow a full 5º travel adjustment between 85º and 95º. Actreg rack and pinion actuators are provided with bi directional pinion travel stops. We can accessorize them to accomplish virtually any control requirement.

Mt series rack pinion pneumatic actuators continue the max air tradition of easy integration flexible customization and reliable operation. These travel stops are designed to absorb the maximum rated torque of the actuator and the maximum impact loads associated with recommended travel speed. The rack and pinion system l series az series equipped is a linear actuator in which a rack and pinion mechanism with a motor have been combined. They are available with various mounting dimension configurations and span eleven models for appropriate torque compatibility.

The rack carries the full load of the actuator directly and so the driving pinion is usually small so that the gear ratio reduces the torque required. Rack and pinion is a generic term for a pair of gears which convert linear motion into rotational motion.