Electric Cylinder

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Electric Cylinder

Electric cylinders are also called electric cylinders. As the requirements for factory automation become higher and higher, electric cylinders come into being.
Electric cylinders are modular products that integrate servo motors and lead screws. They convert the rotational motion of servo motors into linear motion, and at the same time transform the best advantages of servo motors: "precise speed control, precise revolution control, and precise torque control" into "precise speed control, precise position control, and precise thrust control"; they are a new revolutionary product that realizes a high-precision linear motion series.
The so-called electric cylinder (also called electric actuator) is to use various motors (such as servo motors, stepper motors, and electric motors) to drive various screws (such as sliding screws and ball screws) to rotate, which is converted into linear motion through nuts, and pushes the slide along various guide rails (such as sliding guide rails, ball guide rails, and high-rigidity linear guide rails) to make reciprocating linear motion like a cylinder. To meet different requirements, electric cylinders have a variety of varieties and specifications, and also have different names, such as: electric slide, linear slide, industrial robot arm, etc.
Widely used in material handling, high-precision machining and manufacturing; aerospace equipment testing, six-degree-of-freedom simulators, robots, injection molding machines, mold control, valve control, precision machine tools, automobile manufacturing equipment, etc.

Advantages Of Servo Electric Cylinder:

Flexibility

It can provide very flexible installation configurations and a full range of installation components: front flange, rear flange, side flange, tail joint, trunnion installation, guide module, etc.; it can be installed in line with the servo motor or in parallel; various accessories can be added: limit switch, planetary reducer, pre-tightening nut, etc.; the drive can choose AC brake motor, DC motor, stepper motor, servo motor from various manufacturers.

High Performance

Servo electric cylinders can work without trouble in harsh environments, and achieve high strength, high speed, high precision movement, smooth movement, low noise, and unique anti-rotation function to ensure high precision position control and high safety of the equipment.

The Best Replacement For Hydraulic And Pneumatic Cylinders

Servo electric cylinders can completely replace hydraulic cylinders and pneumatic cylinders, and achieve the advantages of being more environmentally friendly, more energy-efficient, and cleaner. They can be easily connected to control systems such as PLC to achieve high-precision motion control.

High Harsh Environment

The protection level of the servo electric cylinder can reach IP65 and IP66, so it can be widely used in the papermaking industry, chemical industry, welding industry and other industries with harsh outdoor environments to work normally.

Low Cost Maintenance

The servo electric cylinder only needs regular grease lubrication when working in complex environments, and there are no wearing parts that need maintenance or replacement, which will reduce a lot of after-sales service costs compared to hydraulic systems.

Features Of High Performance Servo Electric Cylinder

Tie rod type fixing, strong vertical load capacity;
High load, high precision, precise positioning, using precision screw drive.
Compact structure, base NSK bearing design, high guide precision, built-in double-sided guide to prevent rotation.
Aluminum alloy cylinder is used, and the whole series is equipped with induction magnets, and multiple sensors can be configured.
The front cover is equipped with a dust ring and a thickened oil-free self-lubricating guide sleeve.
A variety of domestic or imported AC (DC) servo motors or stepper motor drives can be selected.
It can meet customer customization needs, customize non-standard products, and optional grating scales and pressure sensors.

Structural Features Of Servo Electric Cylinder

Thrust range: 10KG-38T
Travel range: 10-2000mm
Speed ​​range: up to 1000mm/s
Precision ball screw, high efficiency and non-self-locking
Servo motors and stepper motors of various brands can be configured
Equipped with grating ruler to achieve closed-loop control, with a control accuracy of up to 0.01mm
Precision control of thrust, thrust accuracy of 0.5%, increase of pressure sensor, control accuracy of 0.05%.
Precision control of speed, high performance and low speed performance.
Thrust can be maintained at any position.
High dynamic response time, high acceleration.
High rigidity, impact resistance

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Typical Applications Of Electric Cylinders

Widely used in: lithium battery press, automobile press, automobile manufacturing equipment; aerospace experimental testing, multi-degree-of-freedom dynamic entertainment, multi-degree-of-freedom simulation; medical machinery, pharmaceutical equipment; mechanical lifting platform, material handling, multi-degree-of-freedom precision machining, robots, mechanical automation production lines, steel continuous casting, petrochemicals, injection molding machines, mold control, valve control, precision machine tools, food industry and other fields.

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Servo Electric Cylinder Technical Description

Servo Electric Cylinder.png

The maximum thrust is the maximum instantaneous thrust, and the continuous thrust is 60% of the maximum thrust. The static load can reach the maximum thrust. The maximum speed is related to the stroke and lead, and the speed of the sliding screw (T-type screw) is not more than 200mm/. The maximum thrust is related to the stroke and speed. The longer the stroke and the faster the speed, the lower the thrust. The maximum speed and maximum thrust are usually not satisfied at the same time. The screw length and diameter are used to calculate the moment of inertia. The no-load torque refers to the minimum torque required when no load is applied. The thrust torque coefficient refers to the thrust generated by a torque of 1Nm. The return clearance can be eliminated by using a double nut, but the total length is increased, which requires special ordering. The use of a double nut can increase the thrust, but the total length is increased, which requires special ordering. The accuracy of the electric cylinder is affected by the accuracy of the screw and the guide.

Basic Parameters

ModelSTAR-35STAR-100STAR-500STAR-01kSTAR-03kSTAR-04kSTAR-05kSTAR-10kSTAR-30k
Cylinder Size(mm)45*4551*5164*6475*7595*95110*110135*135190*190270*270
Push Rod Diameter(mm)20253540506080100150
Screw Diameter(mm)121216253240506380
Lead(mm)5105105102051025510205102051020102020
Maximum Rated Thrust(kn)0.350.35116661015810302015403020505060100380
Speed(mm/s)250500250500250500100025050012502505001000125250500125250500250500500
Max Stroke(mm)300400500120017001700200020002000
Electric Cylinder Efficiency0.90.90.90.90.880.880.880.850.85
Rated Dynamic Load (Kn)54.36.66.413.5115.5172912.319481921544022605767114403
Rated Static Load (Kn)12101312.530.52411497222631225478155106951931842543641200
Maximum Input Speed (rpm)500040002000
Maximum Acceleration (m/s²)36363610361036103610361061010
Lead Error (mm/300mm)0.020.020.020.020.030.030.030.030.03
Maximum Idling Angle (°)0.210.210.210.0250.0250.0250.0250.025
Repeatability Accuracy (mm)0.020.020.020.030.030.030.030.03