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Linear Thrusters

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About Linear Thrusters

Linear thrusters use double-acting pneumatic, hydraulic, or electrohydraulic cylinders mated to plates and shafts to provide cyclical linear motion. They are used in conveying, positioning and inspection systems. The integral stages of linear thrusters are mounted vertically or horizontally and include features such as position switches, end stops and cushions, and corrosion resistant coatings and treatments. There are several common drive configurations. ACME screws are square-topped and have a very specific thread geometry that directly contacts the nut and provides linear motion through direct sliding friction between the nut and lead screw. Ball screws are lead screw and ball nut combinations in which the balls in the nut circulate when in motion. Belt drives connect the motor to the actuator with a belt. By contrast, geared drives connect the motor to the actuator through a set of gears. Others specialized and proprietary drive configurations for linear thrusters are also available. 

Selecting linear thrusters requires an analysis of performance specifications, body materials, and bearing types. Maximum stroke is the maximum distance that the shaft travels from the fully retracted position to the fully extended position. Maximum speed is rated at low or no load conditions. Operating pressure and operating temperature are full-required ranges. Bore size and shaft diameter are usually measured in inches (in). For linear thrusters with multiple guide shafts, suppliers specify the diameter of the largest shaft. Most devices use aluminum, steel, stainless steel, or plastic as the body material. Several bearing types are commonly available. Balls or rollers are used in applications that require recirculating linear motion. Solid metal bushings use materials such as oil-impregnated bronze. Continuous-surface composite bearings are often recommended for their anti-corrosive properties and tolerance to debris.  

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Products & Services Related to Linear Thrusters

Air Cylinders
Air cylinders are pneumatic linear actuators that are driven by a pressure differential in the cylinder's chambers. They may be single-acting (with a spring return) or double-acting.
Hydraulic Cylinders
Hydraulic cylinders are actuation devices that utilize pressurized hydraulic fluid to produce linear motion and force.
Linear Actuators
Electric linear actuators have an output rod that provides linear motion via a motor driven ball screw, lead screw, or ACME screw assembly. The actuator's load is attached to the end of a screw or rod and is often unsupported.
Rodless Cylinders
Rodless cylinders are linear devices that use pressurized fluid to move a load within many power transfer operations.

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Engineering Web: Linear Thrusters

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Linear Thrusters Information | Business.com
Linear Thrusters Home » Directory » Industrial Goods & Services » Machinery & Tools » Hydraulic &
See Business.com, Inc. Information
Bimba Manufacturing
Movable Housing Linear Slides Bimba?s new Movable Housing is able to provide significant load carrying capability using a precision machined housing
See Bimba Manufacturing Company Information
A control system for a hybrid linear actuator for a flush deck...
A control system for a hybrid linear actuator for a flush deck hatch
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Part Numbers for Linear Thrusters

Part # Distributor Manufacturer Product Category Description
TE177EB2MS PLC Radwell BIMBA Not Provided LINEAR THRUSTER
2B2T3 PLC Radwell ULTRAMATION INC Not Provided LINEAR THRUSTER
LP2985IM5-3.0/NOPB Digi-Key National Semiconductor Integrated Circuits (ICs) IC REG LDO MICROPOWER SOT23-5
LP3963ESX-1.8 Digi-Key National Semiconductor Integrated Circuits (ICs) IC REG ULTRA LDO 3A TO-263-5
LM1086CSX-ADJ/NOPB Digi-Key National Semiconductor Integrated Circuits (ICs) IC REG POS ADJ 1.5A LDO TO-263

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