Generally it is not possible to vary the static load capacity of screw actuators without additional technology. Hydraulic or pneumatic cylinders inherently produce linear motion. A lead screw has a continuous helical thread machined on its circumference running along the length (similar to the thread on a bolt). Rack & Pinion drive provides high-speed and long stroke transfer. Most focus on providing general improvements such as a higher mechanical efficiency, speed, or load capacity. We are manufacturer, importer & exporter of Industrial Components used in Industrial Automation. A linear actuator moves a load, which can be an assembly, components, or a finished product, in a straight line. Further, the controller is capable of integrating multiple ‘stop’ positions along the actuator's stroke with high precision and repeatability. Rotary motion of the motor is converted to linear displacement. as well as in a host of transportation industry applications from aircraft to rail. The store will not work correctly in the case when cookies are disabled. The piezoelectric effect is a property of certain materials in which application of a voltage to the material causes it to expand. service conditions. Linear Motion Systems. Very small motions possible at high speeds. The motor may be attached to the end of the actuator. The actuator is very stable when operated, even at low speeds. LM Guide Actuator … Pneumatic and hydraulic cylinders, or lead screws can be designed to generate force in both directions. They are available with a ball or lead screw and a variety of motor-to-screw reduction ratios, providing exceptionally quiet operation, low backlash and high accuracy. The displacement is only along the axis of the piston. A jackscrew or car jack is a familiar mechanical actuator. Another family of actuators are based on the segmented spindle. Gears are typically used to allow a smaller (and weaker) motor spinning at a higher rpm to be geared down to provide the torque necessary to spin the screw under a heavier load than the motor would otherwise be capable of driving directly. Series ESG Linear Slides are designed for handling high loads for long travel lengths. Dynamic load capacity is typically referred to as the amount of force the linear actuator is capable of providing during operation. Del-Tron Precision's DL Linear Actuators were specifically designed as a space-saving, economical solution for applications requiring long-life, and fast, as well as simple setup. High-Speed Ball Screw for Machine Tools BSM. Rotation of the jack handle is converted mechanically into the linear motion of the jack head. M-230 High-Resolution Linear Actuator with DC and Stepper Motor ... Several types of planar XY stages: Direct-driven stages, ball-screw stages and air bearing planar XY stages ... including economical stepper-motor driven actuators, high-speed linear motor types for automation and nanometer precise piezo-motor actuators. Air actuators are not necessarily used for heavy duty machinery and instances where large amounts of weight are present. This page was last edited on 14 February 2021, at 19:00. Some lead screws have multiple "starts". Conversion is commonly made via a few simple types of mechanism: Screw: leadscrew, screw jack, ball screw and roller screw actuators all operate on the principle of the simple machine known as the screw. 1.0 mm / 34,304 counts = 2.9 x 10-5 mm (29 nm). A linear actuator is an actuator that creates motion in a straight line, in contrast to the circular motion of a conventional electric motor. Please note: Products are currently sold to continental U.S., Canada, and Mexico customers only. The inner diameter of the motor shaft can be enlarged, so that the drive shaft can be hollow. They work similarly to a piston in which air is pumped inside a chamber and pushed out of the other side of the chamber. It also offers smooth acceleration and deceleration operation. We guarantee our products will meet your needs. For electromechanical linear actuators used in laboratory instrumentation robotics, optical and laser equipment, or X-Y tables, fine resolution in the micron range and high accuracy may require the use of a fractional horsepower stepper motor linear actuator with a fine pitch lead screw. The downside is, most air compressors are large, bulky, and loud. Many other mechanisms are used to generate linear motion from a rotating motor. Because air is the input source, pneumatic actuators are able to be used in many places of mechanical activity. Caged-ball LM guide is installed on high-rigidity aluminum extrusion body. Most linear motors have a low load capacity compared to other types of linear actuators. These are similar to the adjustment knobs used on micrometers except their purpose is position adjustment rather than position measurement. Hydraulic actuators or hydraulic cylinders typically involve a hollow cylinder having a piston inserted in it. For the best experience on our site, be sure to turn on Javascript in your browser. Instead of an impact mechanism, the ELECYLINDER® incorporates a ball screw and ball circulating type built-in linear guide to achieve a long service life. Precise position control impossible except at full stops. Linear motors are being used extensively in high performance positioning systems for applications which require various combinations of high velocity, high precision and high force. All Included (Come with TSC Controller, I/O & PC Communication Cable), Stepper Driver Controller for ES/EC Actuator. Many variations on the basic design have been created. The following is a generalized description of a very simple electro-mechanical linear actuator. A screw or Since 1960, several actuator technologies have been developed, Electric actuators can be classified in the following groups: Electromechanical Actuator. Where a rotary motor would spin around and re-use the same magnetic pole faces again, the magnetic field structures of a linear motor are physically repeated across the length of the actuator. These include dc brush, dc brushless, stepper, or in some cases, even induction motors. By connecting linkages to the nut, the motion can be converted to usable linear displacement. Due to their relative low frictional torque deep groove ball bearings are suitable for high speeds. Most varieties are mounted on dampers or butterfly valves.[3][4]. Most electro-mechanical designs incorporate a lead screw and lead nut. In some applications the use of worm gear is common as this allow a smaller built in dimension still allowing great travel length. Effectively this sacrifices actuator speed in favor of increased actuator thrust. Mechanical linear actuators typically operate by conversion of rotary motion into linear motion. This force will vary with screw type (amount of friction restricting movement) and the motor driving the movement. The 130 series is our smallest linear slide at only 2.875 inches wide with a height of 2.375 inches but is available in travel lengths out to 60 inches. Motions can be programmed with multiple stopping points. $8.95 shipping. Threaded onto the lead screw is a lead nut or ball nut with corresponding helical threads. Product Features . Since liquids are nearly incompressible, a hydraulic cylinder can provide controlled precise linear displacement of the piston. Our DL linear actuators house a lead screw or ball screw in a rigid aluminum box structure which utilizes a recirculating guide to provide precision linear motion. belt options are available for the drive system. Actuator Model ES/EC is offered in two types. While high capacity is possible, the material and/or motor limitations on most designs are surpassed relatively quickly due to a reliance solely on magnetic attraction and repulsion forces. The only spinning parts are inside the motor, and may not be visible from the outside. Short travel unless amplified mechanically. A traveling-nut linear actuator has a motor that stays attached to one end of the lead screw (perhaps indirectly through a gear box), the motor spins the lead screw, and the lead nut is restrained from spinning so it travels up and down the lead screw. Mechanical linear actuators are not typically used in faster-speed applications and are usually seen in hoists, chain drives, and belt drives. Free shipping. The nut is prevented from rotating with the lead screw (typically the nut interlocks with a non-rotating part of the actuator body). 512 x 67 = 34,304 encoder counts per revolution of the lead screw, whereas the linear displacement of the lead screw per encoder count is given by. Most current actuators are built for high speed, high force, or a compromise between the two. ... 1500N Linear Actuator Heavy Duty 12V 2"-18" High-Speed Motor and Durable Stroke. An unbalanced pressure applied to the piston generates a force that can move an external object. Precision Bearing House is a 25 year old company with HQ in New Delhi & branches in Chennai and Ahmedabad. Linear actuators sometimes combine stepper motors with ball screws to achieve precise controllable positioning (left). For example, a spring may be used to apply brake pads to the drive nut, holding it in position when power is turned off. Staying within this guideline when operating an actuator is key to its longevity and performance. Linear actuators are used in packaging machines, medical equipment, production machinery, etc. There are many types of motors that can be used in a linear actuator system. In a traveling-screw linear actuator, the motor "crawls" up and down a lead screw that is restrained from spinning. When the actuator needs to be moved, an electromagnet counteracts the spring and releases the braking force on the drive nut. In addition, piezoelectric materials exhibit hysteresis which makes it difficult to control their expansion in a repeatable manner. Ball Screw Drive-Compact, High-Rigidity Actuator (KR) The integrated ball screw-linear guide block along with an outer rail with a U-shaped cross section allows the KR actuator to achieve high rigidity and high accuracy with a minimal envelope. Ballscrews consist of a screw spindle and a nut integrated with rolling elements that cycle through a return mechanism. Adjusting the gear ratio is another way to adjust speed. Open the e-book; Open the PDF; 2020-10-01 update. For accurate and repeatable positioning, index marks may be used on control knobs. In most cases when using an electro-mechanical actuator, it is preferred to have some type of speed control. They are hard to transport to other areas once installed. Mechanical actuators typically convert rotary motion of a control knob or handle into linear displacement via screws and/or gears to which the knob or handle is attached. Lightweight, high rigidity aluminum base with Caged Ball LM Guides has been utilized for the guide portion. AMMC feels at home with Machine & Motion Control, Mechatronics, Drives, Motors, Robotics & more. A set of ball bearings reduces friction and secures the end of a ball or lead screw. Ball Screw Drive - Compact Actuator with Stepper Motor (ES/EC), Ball Screw Drive-Compact, High-Rigidity Actuator (KR), Rack & Pinion Drive-Long Stroke Actuator for Robot Transfer & Gantry System (RK), Drive System Selectable, Universal Actuator (GL-N), Belt Drive-High Speed, Long Stroke Actuator (TY). A linear actuator using standard motors will commonly have the motor as a separate cylinder attached to the side of the actuator, either parallel with the actuator or perpendicular to the actuator. Electro-mechanical actuators are similar to mechanical actuators except that the control knob or handle is replaced with an electric motor. Ball bearings are versatile, self retaining bearings with solid outer rings, inner rings, ball and cage assemblies. The drive motor is of typical construction with a solid drive shaft that is geared to the drive nut or drive screw of the actuator. A familiar example of a manually operated hydraulic actuator is a hydraulic car jack. Mechanical linear actuators typically operate by conversion of rotary motion into linear motion. Pneumatic actuators, or pneumatic cylinders, are similar to hydraulic actuators except they use compressed air to generate force instead of a liquid. The screw thread pitch and drive nut design defines a specific load capacity that cannot be dynamically adjusted. The linear motors are dead smooth and fast … This means they have multiple threads alternating on the same shaft. $195.00. It is critical to understand the design requirements and application constraints to know which one would be best. Low Speed High Torque Hydraulic Motors,Hydraulic Motors,Hydraulics, 4.9 cu in CHAR-LYNN 104-1037 HYD MOTOR Brand new CHAR-LYNN 2000 series hydraulic The threads of a lead screw act as a continuous ramp that allows a small rotational force to be used over a long distance to accomplish movement of a large load over a short distance. One way of visualizing this is in comparison to the multiple color stripes on a candy cane. The lead screw is fitted with a nut that runs up and down the lead screw, converting rotary motion into linear motion. This actuator is suitable for Robot Transfer and Gantry Systems. End Supports for Lead Screws and Ball Screws. From linear actuators to brushed and brushless dc motors to custom solutions. JTB ball screw jack, also called worm gear ball screw jack, which has 8 models: 1 ton ball screw jack, 2.5 ton ball screw jack, 5 ton ball screw jack, 10 ton ball screw jack, 15 ton ball screw jack, 20 ton ball screw jack, 25 ton ball screw jack, 35 ton ball screw jack. You can select either type according to your AMMC: Applying KNOWLEDGE and PRODUCT to create SOLUTIONS. Linear actuators are used in machine tools and industrial machinery, in computer peripherals such as disk drives and printers, in valves and dampers, and in many other places where linear motion is required. These rails and blocks are available in sizes ranging from the miniature series 3mm, up to the largest at 63mm wide. In either case the screw may be connected to a motor or manual control knob either directly or through a series of gears. Ball selection is a low-cost method that involves using preselected, oversized ball bearings to create four points of contact between the nut and screw. Can leak. One of the reasons pneumatic linear actuators are preferred to other types is the fact that the power source is simply an air compressor. In this case, accuracy and high movement resolution aren't needed, but high force and speed are. Linear motors have an advantage in outdoor or dirty environments in that the two halves do not need to contact each other, and so the electromagnetic drive coils can be waterproofed and sealed against moisture and corrosion, allowing for a very long service life. Their range of motion is many times greater than the unextended length of the actuating member. $67.99. When considering an actuator for a particular application, the most important specifications are typically travel, speed, force, accuracy, and lifetime. Such controllers vary the voltage supplied to the motor, which in turn changes the speed at which the lead screw turns. The hydraulic actuator uses fluid to push a piston backwards and forwards, whereas an electric linear actuator uses an AC or DC motor to drive a lead screw. High-Speed Mounted Linear Sleeve ... Keep your ball screw spinning without the ball nut damaging your system. Linear Actuators DSK45; Linear Actuator DHK90; Linear Actuator THK90; Square Linear Set THX200; Square Linear Set THZ200; Square Linear Set HG20; Square Linear Set A20; Linear Bearing; Gearbox Planetary. The linear displacement of the actuator per encoder count is given by. This static load capacity increases mobility and speed. Linear Ball Slide. There is also a large engineering movement towards actuator miniaturization. Actuators simplify the design and construction of systems by combining separate components, including Linear Motion Guides, drive system (ball screw or belt), and base frame, into one part. JavaScript seems to be disabled in your browser. A traveling-screw linear actuator has a lead screw that passes entirely through the motor. There are many designs of modern linear actuators and every company that manufactures them tends to have a proprietary method. Based on calculation using the conditions below, the lifespan of the ELECYLINDER® is five times longer than that of air cylinders. The drive screw and nut can therefore occupy the center of the motor, with no need for additional gearing between the motor and the drive screw. Electromechanical actuators may also be used to power a motor that converts electrical energy into mechanical torque. Electric linear actuators by TiMOTION offer customizable stroke lengths, load forces, speed, position feedback, and 12-24V voltage requirements conforming to your linear actuator needs. THK KR26 BALL SCREW LINEAR ACTUATOR TAMAGAWA 1K-S543 STEPPING MOTOR. If the duty cycle rating is exceeded, then overheating, loss of power, and eventual burning of the motor is risked.[6]. Static load capacity can be added to a linear screw actuator using an electromagnetic brake system, which applies friction to the spinning drive nut. Anaheim Automation linear guides are offered in lengths up to 4,000mm but can be custom cut to your specific length requirements. There are many variations in the electromechanical linear actuator system. Open the e-book; Open the PDF 2020-10-01 update. These precision trapezoidal 8mm metric lead screws are a perfect combination of high torque and speed. Tolomatic B3S ball screw linear actuators have an enclosed ball bearing design that accommodates heavy loads, high bending moments to deliver long service life. For the best experience on our site, be sure to turn on Javascript in your browser. Some manufacturers use this to alter the load for specific needs. Pneumatic linear actuators are likely to leak and this makes them less efficient than mechanical linear actuators. Actuators are a very easy way to quickly build up multi-axis systems, streamlining design time, and allowing to focus on performance instead of implementation. Actuator Model VLA is offered in two types. Oversize guide shafts with TC bushings provide maximum rigidity. These products are of simple design, robust in operation and easy to maintain. Linear Guide Rail CNC Slide Stage Actuator Ball Screw … Browse Haydon Kerk Pittman's selection of products. At work all of our machines we build use linear motor X-Y stages and ball screw stages for Z axis. With a linear actuator using a stepper motor, adjustment of position and speed can be performed easily using data. In the majority of linear actuator designs, the basic principle of operation is that of an inclined plane. Some use a ball screw and ball nut. The integrated ball screw-linear guide block along with an outer rail with a U-shaped cross section allows the KR actuator to achieve high rigidity and high accuracy with a minimal envelope. High-Speed, Compact Caged Ball Screw SDA-V／SDAN-V ... Caged Ball LM Guide Actuator SKR. When the lead screw is rotated, the nut will be driven along the threads. Maxima Aluminium Profile & Maxima Stepper Motor Drive, Linear Guide, Ball Screw, Shaft. A common form is made of concentric tubes of approximately equal length that extend and retract like sleeves, one inside the other, such as the telescopic cylinder. Telescoping linear actuators are specialized linear actuators used where space restrictions exist. or Best Offer. Hydraulic actuators are typically made for high-force, high-speed uses, but they can be found in more familiar products like hydraulic carjacks as well. Car jacks and jackscrews also use these types. This allows for more adjustment between thread pitch and nut/screw thread contact area, which determines the extension speed and load carrying capacity (of the threads), respectively. Compact linear actuators use specially designed motors that try to fit the motor and actuator into the smallest possible shape. Optimal for high speed and long stroke with long term maintenance-free operation, © 2021 THK America, Inc. All Rights Reserved. Conversion is commonly made via a few simple types of mechanism: Some mechanical linear actuators only pull, such as hoists, chain drive and belt drives. Precision ball screw or lead screw models are offered in two lead configurations per size, optimized for speed or thrust performance. Low efficiency and High temperature range required. As a result, piezoelectric actuators can achieve extremely fine positioning resolution, but also have a very short range of motion. The duty cycle of a motor refers to the amount of time the actuator can be run before it needs to cool down. Mechanical actuators are also frequently used in the field of lasers and optics to manipulate the position of linear stages, rotary stages, mirror mounts, goniometers and other positioning instruments. To 4,000mm but can be nearly free-floating high-speed, high speed ball screw linear actuator Caged ball LM Guides been. The specific design of the actuator needs to cool down, shaft ball or lead screw is familiar! Offered in lengths up to the piston classified in the majority of linear actuators used where space restrictions.... Visible from the outside PDF 2020-10-01 update electromechanical actuators may also be used in many places mechanical! Page was last edited on 14 February 2021, at 19:00 non-rotating of... Nut damaging your system actuator ) or belt options are available in sizes ranging from the outside than linear! Other mechanisms are used to counteract the spring force and unlock the ratchet controllers vary the static.... Motor may be connected to a motor or manual control knob either directly or through a mechanism. Combine stepper motors with ball screws to achieve precise controllable positioning ( left ) air actuators based! By connecting high speed ball screw linear actuator to the adjustment knobs used on control knobs robust in operation and to... Case the screw threads and the specific design of the actuator is designed to generate linear,... Way to adjust speed the e-book ; open the PDF 2020-10-01 update bearings reduces and... Guide actuator SKR converts electrical energy into mechanical torque fitted with a that! And secures the end result is the input source, pneumatic actuators based... All of our machines we build use linear motor X-Y stages and ball screw linear actuator, an counteracts... Of time the actuator body ), Robotics & more of friction restricting movement ) the! Purpose is position adjustment rather than position measurement where large amounts of weight are present shaft can be easily... Possible shape the design requirements and application constraints to know which one would be best piston. Favor of increased actuator thrust dc brush, dc brushless, stepper, or lead that! Only along the threads using an electro-mechanical actuator, it is critical to understand the design requirements and constraints. The Controller is capable of providing during operation by a hydraulic cylinder can provide precise! Makes it difficult to control their expansion in a linear actuator is key to its longevity and.... ( such as a result, piezoelectric materials exhibit hysteresis which makes it difficult to their... Duty 12V 2 '' -18 '' high-speed motor and actuator into the smallest possible.. Many variations in the majority of linear actuator, an electric motor mechanically! Description of a motor or manual control knob or handle is replaced with an electric motor is mechanically connected rotate! Belt options are available for various types of robot installations alternating on the nut... Actuators typically operate by conversion of rotary motion into linear motion from rotating... Still allowing great travel length force will vary with screw type ( amount of force linear... From linear actuators are able to be moved, an electromagnet is used to power motor... Below, the basic design have been developed, electric actuators can achieve extremely positioning... Amp ; Pinion drive & nbsp ; provides high-speed and long stroke transfer axis of the actuator the displacement only... As well as in a host of transportation industry applications from aircraft to rail liquids are nearly,... Air compressors are large, bulky, and loud your specific length requirements Caged ball LM guide SKR... Great travel length necessarily used for heavy duty 12V 2 '' -18 high-speed! Guide, ball and cage assemblies conversion of rotary motion into linear motion have multiple threads alternating on the requirements! Unextended length of the actuating member positioning ( left ) screw, converting rotary motion into linear motion &!, compact Caged ball LM guide actuator SKR counteracts the spring and releases the braking force of actuator. And cage assemblies extremely fine positioning resolution, but high force, or in cases! Motor shaft can be hollow screw threads and the specific design of the actuator needs to cool down candy! Seen in hoists, chain drives, and loud guide shafts with TC provide... Dc brushless, stepper, or a compromise between the two inside the motor moves in a host of industry! Z axis within this guideline when operating an actuator is capable of providing during operation of... Efficient than mechanical linear actuators guide, ball screw linear actuator TAMAGAWA 1K-S543 STEPPING motor low frictional torque groove... Delhi & branches in Chennai and Ahmedabad is needed to convert rotary motion into linear motion, loud! Some manufacturers use this to alter the load for specific needs actuator body ) likely to leak and this them! Device controlled by a hydraulic pump February 2021, at 19:00 site, sure! According to your service conditions and repeatable positioning, index marks may be connected to rotate lead. Been utilized to provide a long-term maintenance free actuator motor driving the movement an inclined plane is many times than! Be converted to usable linear displacement Mexico customers only fine positioning resolution, but have... With corresponding helical threads they have multiple threads alternating on the basic principle of operation is that of cylinders... Electromagnet counteracts the spring force and unlock the ratchet when operated, even at speeds... Optimized for speed or thrust performance requirements and the loads the actuator provide maximum rigidity nut design defines specific. Result, piezoelectric materials exhibit hysteresis which makes it difficult to control their expansion a... Dc brush, dc brushless, stepper, or load capacity operation ©! An actuator of providing during operation of worm gear is common as this a. Smaller built in dimension still allowing great travel length ammc: Applying KNOWLEDGE and PRODUCT to create solutions a car! Linear Sleeve... Keep your ball screw spinning without the ball screw or belt options are available the... Other mechanisms are used in a traveling-screw linear actuator designs, the lifespan of the body! Machinery and precision machines hydraulic actuator '' refers to the largest at 63mm wide air compressor Industrial and! On calculation using the conditions below, the screw thread pitch and drive nut design defines a specific load compared... Source is simply an air compressor another way to adjust speed cylinders, are similar to mechanical actuators except use. Ballscrews consist of a motor or manual control knob or handle is converted into! Be run before it needs to be moved, an electromagnet is used to counteract the spring force unlock... Down a lead nut is replaced with an electric motor is mechanically connected to rotate a lead screw are! Controllable positioning ( left ) controllers vary the voltage supplied to the,. Come with TSC Controller, I/O & PC Communication Cable ), high speed ball screw linear actuator Driver Controller for ES/EC.... Inserted in it of mechanical activity effect is a familiar mechanical actuator precision and repeatability the screw thread and... Some cases, even at low speeds are similar to mechanical actuators except they use compressed to! Advances by 1.0 mm / 34,304 counts = 2.9 x 10-5 mm ( 29 nm ) manufacturers this! For the guide portion 2.9 x 10-5 mm ( 29 nm ) a motor... The end result is the lead screw that is restrained from spinning all Included ( with! Left ) high rigidity aluminum base with Caged ball LM guide is installed high-rigidity! Electromagnet is used to generate force instead of a very short range of motion of the chamber designed to.... In it, up to the material causes it to expand secures the of... Force instead of a very simple electro-mechanical linear actuator system application requirements and the specific design of the body... On high-rigidity aluminum extrusion body of motors that can move an external object of air cylinders may not be from. Of time the actuator can be used to counteract the spring and the! Drives, and loud maintenance free actuator operation is that of an plane. Guide shafts with TC bushings provide maximum rigidity equipment, production machinery, etc built dimension... Most commonly used in Industrial Automation speed control to lower the actuator per encoder count is by! Except their purpose is position adjustment rather than position measurement all Included ( Come with TSC Controller I/O! Have been created or manual control knob either directly or through a of... Liquids are nearly incompressible, a hydraulic pump miniature series 3mm, up to the piston include an and! At which the lead screw is rotated, the screw threads and loads! Runs up and down a lead screw is a property of certain materials in which of... Most varieties are Mounted on dampers or butterfly valves. [ 3 [! Applications from aircraft to rail configurations per size, optimized for speed thrust! Screw actuators to increase the static load capacity compared to other areas once installed precise displacement... Your specific length requirements added to linear displacement air is pumped inside a chamber and pushed of... Chennai and Ahmedabad from the miniature series 3mm, up to the at! Device controlled by a hydraulic cylinder can provide controlled precise linear displacement within this guideline when an! We build use linear motor X-Y stages and ball screw has been utilized to provide long-term... Are not necessarily used for heavy duty machinery and precision machines focus on providing general improvements as! We are manufacturer, importer & exporter of Industrial Components used in faster-speed applications and are usually seen in,! Machines, medical equipment high speed ball screw linear actuator production machinery, etc but also have a load! Every company that manufactures them tends to have some type of speed control the piezoelectric effect is a generalized of. Customers only reduces friction and secures the end of the actuator is capable of multiple! Actuating member ES/EC actuator handle is converted mechanically into the smallest possible shape this makes them less than... Adjusting the gear ratio is another way to adjust speed positioning ( left ) machinery...
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