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| Motor cylinder consists mainly of screw, nut and motor. Motor's rotation (forward and reverse) is translated into linear motion ofpiston rod. lt simply operates with 3-phase electric power supply. Comparing with pneumatic cylinders and hydraulic cylinders. The electric linear actuators don't not require a pipework, powerpack, valves, compressor or a hydraulic station, it can be driven as long as there is electricity. And the electric linear actuators are smaller than pneumatic or hydraulic systems. They are also a lot cheaper to employ. Besides that, the electric linear actuators are of high efficiency, precise control of positioning, speed and force, high dynamic capacity, high speed capability, low noise, low-maintenance, low power consumption, lower installation costs (easy installation with trunnion mounting feet), no oil leaks, fire risk, longer life, clean and zero-pollution in operation, making them ideal for the widest variety of applications. | |||||||||
LAP250
JACTON
Product Description
250kgf Parallel Drive Electric Linear Actuators (also known as electric cylinders, motorized linear actuators, electric linear rod actuators, electro-mechanical linear actuators) are the right alternative to the use of pneumatic cylinders or hydraulic cylinders. Electro Mechanical Linear Actuators can not only match the load capacity of hydraulic cylinders and exceed the load capacity of conventional electric linear actuators. Main application in coiling machines, decoiling machines, continuous operation process lines, tundish cars, scissor lifts, lifting platforms, robotics, continuous paint pumps, medical beds, gates, dampers, oven and processing tank doors, antennas, and agricultural equipment.
Working Principle
A trapezoidal lead screw and nut is driven by an electric motor, through a reduction gearbox. The lead screw converts rotary motion to linear movement. When the motor is activated, it rotates the screw, which moves the nut, the nut extends and retracts the piston rod, which is attached to the load.
Main Features
* Parallel drive configurations.
* Self-locking trapezoidal lead screw and nut (non-backdriving).
* Thrust force: 250 kgf.
* Travel speed: 28 mm/s (slow speed), 42 mm/s (medium speed), 84 mm/s (high speed).
* Motor Power: 0.25 kW, 0.37 kW, 0.55 kW.
* There are no "standard" travel lengths, maximum 800 mm.
* 3phase normal motor (380v 3ph AC) as standard. Brake motors are also available.
* Non-rotating extension rod with anti-rotation guide.
* Accessories: Brake motor, handwheel, external limit switches, bellows boots and clamps, trunnion mounting brackets, electrical control box, encoder, and stainless steel or chrome plated piston rod.
* Electric linear actuators and electric cylinders can be a real alternative to pneumatic and hydraulic cylinders.
Product Components
1. Motor
Motor: 3phase normal motor (380v 3ph AC) as standard. Brake motors are also available. it causes the actuator to travel forwards or backwards. All others 220v, 240v, 400v, 415v, 460v and 480v three phase motors for actuators can be supplied.
2. The First Gear (Steel)
3. Gearbox
4. The Second Gear (Steel)
5. The Third Gear (Steel)
6. Hand Wheel
Hand Wheel: is available for manual operation/adjustment of the actuator.
7. The Fourth Gear (Steel)
8. Trapezoidal Screw
Spindle: also known as the self-locking trapezoidal lead screw, rotating screw, or lifting screw, which is a long, straight rod that turns in a machine or tool. This linear actuator rotates, extending or retracting the nut/inner tube, which creates a linear motion.
9. Thrust Housing
10. Hammer Blow Pin
11. Safety Switches
Safety Switches: Interior limit switches control the fully extended and retracted inner tube position by electrically cutting current to the motor. These switches prevent the actuator from over extending or over retracting. It also protects the motor.
12. Thrust Limit Disc Springs
13. Drive Nut (Bronze)
Drive Nut: The lead screw nut is attached to the inner tube and travels along the spindle. The nut is the component that allows extension or retraction of the inner tube.
14. Anti-rotation Guide
15. Outer Tube
Outer Tube: Also known as the cover tube, this tube protects the outside of the linear actuator and houses all of the actuator's inner components. The housing is used for guiding the piston rod too.
16. Inner Tube (Piston Rod)
Inner Tube: Also known as the extension tube, drive tube, translating tube, thrust rod, push rod, or piston rod. It has internal anti-rotation guide.While retracted, the inner tube is where the spindle is located. This tube is attached to the threaded drive nut and extends and retracts when the nut moves along the rotating spindle. Custom stainless steel or chrome plated piston rod.
17. Front Clevis (Fork Head)
Front Clevis: Also known as the fork head. A clevis is a U-shaped metal piece with holes in each end through which a fastening device, a pin or bolt, is run.
18. Protective Bellows
Protective Bellows: Also known as the extension rod cover, to avoid the possible entry of particles or liquid through the piston rod.
19. Trunnion Pins and Trunnion Mounting Brackets
20. Anti-friction Bearings
Download
Speficications | Dimensional Drawings | Selection Guide | Wiring Diagram For Limit Switches | Catalog
Application Case
Electric Linear Actuators are widely used in industrial equipment, motion platforms, such as gates, dampers, oven and processing tank doors, antennas, orthopedic tables and other medical equipment, ergonomic furniture, and agricultural equipment, scissor lifts, scissor platforms, lifting platforms, robotics, continuous paint pumps, medical beds, coiling machines, tundish cars, continuous operation process lines, opening and closing doors, lifting, pushing and pulling, and precise positioning. Custom designs linear cylinders are also available for your special applications.
Packaging and Shipping
* 100% standard exporting plywood cases (international exporting standard wooden material with free fumigation).
* Express(Air): Factory to customers' company by FEDEX, DHL, UPS, TNT. Incoterms: EXW, DDU.
* Sea Freight: Factory to destination seaport by Vessel. Incoterms: CIF, FOB, EXW, CFR.
* Air Freight: Factory to destination airport by Airplane. Incoterms: CFR, EXW, FCA, CPT, CIP.
* Additional Options (Door to Door): Train Transportation, Truck Transportation, Ocean Shipping.
