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What Is a Servo Actuator?

Tag Archive: HyperCyl EMA

  1. HyperCyl Spotlight: UTV Applications

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    Aries Engineering/HyperCyl is a diversified manufacturer of Hydra-Pneumatic Cylinders, Servo Actuators, Presses, Pierce Units and Joining Systems designed for use in a wide range of assemblyand forming applications.

    Roll Cage Pierce/Form: Typical End-forming and tube Piercing of UTV Roll Cage requires an Approximate Force Range 5-40 Tons depending on the details. Piercing requires internal expanding mandrels to reach long distances inside the tube body. End-forming varies dramatically based on the needs of each application but involves forming the end of tubes to various GD&T for mounting, safety, and other items. Best used with IntelliCyl for force/distance monitoring to ensure Quality is maximized.

    REAR TRACK ARM BUSHING INSERTION: From the basic to the complex, we have seen it all regarding bushing insertions. Simultaneous running of LH & RH parts simplifies tooling setup and reduce part-to-part rates dramatically. Approximate Force for 1.500” – 2.500” bushing diameter ranges from 8-Tons to 15-Tons depending on the interference fit between the sleeve ID and bushing OD. Lubrication is sometimes necessary to reduce forces and ensure a good insertion. Lubrication is applied to the ID of sleeves or OD of bushing which reduces chatter during the installation process and provides a more accurate press-in.

    WHEEL HUB BEARING AND STUD INSERTION: Wheel bearings are a critical function in the construction of UTV’s as they must be properly installed and seated or risk the longevity and ride comfort to the vehicle. Likewise, the wheel studs are installed with special fastening technology using serrations on the stud to withstand torque-out when attaching the wheel nuts. Force/ distance monitoring is almost always required for these critical components.

    CONTROL ARM BUSHING INSERTION: Aries Engineering specializes in Control Arm construction due to our innovative power heads in Servo and Hydra- Pneumatic Self-Equalizing units.
    These equalizing units are a necessity due to the small window between bushing sleeve ID’s. Backing up each sleeve prior to installation is required so as not to damage or twist the arm during bushing installations. Approximate Force Ranges from 8-20 Tons utilizing our IntelliCyl option for force/distance monitoring.

    BALL JOINT INSTALLATION: Ball Joint installations typically require secondary retention to meet today’s safety requirements. Aries Engineering has patented a proprietary Snap-Ring installation process that automatically installs the Ball Joint then the snap-ring within a single process. Ordinarily this is a very manual process with handheld retaining ring pliers or circlip
    pliers to ensure the clip is seated 100% and 360-degrees around the circumference. Approximate Force per Ball Joint can be as high as 20-Tons. IntelliCyl is required for force/distance monitoring of this critical component during the installation process.

    PLASTIC FASCIA PIERCING/ DEGATING: Multiple components within the UTV require post-mold piercing to ensure proper alignment of fasteners and attachment points that cannot be done during the molding process. Piercing gas-cap holes to fog-lamp holes, hitch slots to lightening holes, we have Servo and Hydra-Pneumatic power units available that are well-suited. When a substance is melted and poured into casting molds, channels called gates allow the material to flow into the hollow spaces of the mold to form into a solid part. Removing the material that hardens in the channels so that just the finished piece remains is known as degating. We have developed methods to ensure this degating only removes excess material without damage to the end-product.

    Aries Engineering/HyperCyl is a diversified manufacturer of Hydra-Pneumatic Cylinders, Servo Actuators, Presses, Pierce Units and Joining Systems designed for use in a wide range of assembly
    and forming applications. HyperCyl has a place in virtually every segment of industrial production; from clean-room medical and electronic component manufacturing to heavy industrial piercing and forming. HyperCyl has a proven track record in thousands of applications as a clean, quiet, reliable, self-contained power source utilizing only compressed air to generate ample output forces from 3kN – 1,780kN.

    Find out more how HyperCyl can help meet your application needs, email sales@hypercyl.com.

  2. How To: Build Intelligence into Piercing for Today’s High Force/High Speed Environments

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    Flexibility, performance and cost have always been key factors in today’s expanding manufacturing marketplace.  For decades hydraulic and mechanical presses were the only options for high-speed, high-force Piercing Applications. HyperCyl Hydra-Pneumatic and HyperCyl-EMA servo based systems have emerged as viable alternatives geared towards today’s lean manufacturing processes. HyperCyl also provides a much cleaner solution without the mess, accumulators, drip pans, noise, heat, fans and overall footprint of outdated power technology.

    So, what to do when you need high-speed Piercing using a fixed system or robot-mounted pierce head? Well, that depends on your needs, annual Volume requirements and how long the project will run. Other factors include the material thickness, tensile strength and length-of-cut to determine the force necessary for any given piercing project.

    Outlined below we will discuss a Hydra-Pneumatic system using IntelliCyl along with a Servo system using HyperCyl-EMA and our HyperPierce equalizing units.

     

    HyperPierce self-equalizing unit with HyperCyl-EMA Servo Technology

    8-Ton Self-Equalizing ServoPierce unit (HyperCyl-EMA)
    Capability: Self-Equalizing units have the benefit of moving to your part. Meaning the press itself will move around your fixed part, not the other way around. HyperPierce + HyperCyl-EMA provides exceptional control over force, speed and distance characteristics for any application. It can also tell when your tool begins to dull due to subtle increases in force over a period of time. Signature analysis, data logging, part history, trending and root cause analysis options are also available for added functionality and tracking.

    Reliability/Costs: Servo technology is inherently capable and sizing them appropriately is crucial. Expected lifetime is from 3 Years to 5 Years, configured for any particular application. Long-Term Reliability coincides with maintenance schedules and upkeep of tooling. Costs can be higher than Hydraulics but the Energy efficiency achieved with low down-time, low noise pollution, ZERO environmental pollution (no oil) will ensure a quick ROI.

    Speed: Up to 16.00 in/sec with an extremely high rate of repeatability. Usually requires a deceleration setting before Contact and Home to maximize screw life. Multiple move profiles and full control over the process from start to finish.

    Forces: 1-10 Ton in Ball Screw configurations (BS1 & BS2) with a medium dynamic load rating; 1-25 Tons in the Roller Screw configuration with a high dynamic load rating.

     

    HyperPierce self-equalizing unit with Hydra-Pneumatic Technology

     8-Ton Non-Equalizing unit with HyperCyl (Hydra-Pneumatic)

    Capability: For basic “Fixed-Mount” pierce units, keeping things simple is sometimes best. Using only 2 pneumatic valves for operation the HyperCyl (hydra-pneumatic) cylinder greatly streamlines the startup process versus hydraulic or even servo-controlled systems. Cylinders are available in (6) design configurations. Cylinder can have the ability for Swivel Fittings (HPS and HZS systems only) for robot-mounting agility. When coupled with the IntelliCyl option, (load cell and LVLT) force distance monitoring is available.

    Reliability/Costs: (MTBS) Mean time between service interval of approximately 4-5 million cycles because down time is not an option. LIFETIME warranty on all HPI – HPS – HPX – HZ –  HZS – HPT cylinders, 1-Ton through 200-Ton. Typically HyperCyl is more expensive than Pneumatic cylinders but offer the same Clean, Quiet & Self-Contained operation WITH controllable force. Less expensive than hydraulic and mechanical systems for both short & long-term investments.

    Speed: Fast Approach speeds similar to that of a pneumatic cylinder (6 in/sec – 10 in/sec) and High Pressure speeds similar to that of hydraulic cylinders (1.0 in/sec – 2.0 in/sec).

    Forces: 1-200 tons of output force using 30-100 PSI shop air.

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    Additional Products

    HyperView Press – Signature Analysis

    IntelliCyl – Load Cell & Linear Transducer

    HyperPress–C Frame, H Frame, CGB Frame

    Mechanical Rod Locks – CSA compliance, CE certified, ISO certified

  3. How To: Determine the Appropriate Technology for High Force/High Speed Applications

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    Flexibility, performance, capital and operating costs have always been key factors in today’s expanding manufacturing marketplace. For decades hydraulics and mechanical presses were the only options for high-speed, high-force assembly and forming applications. More recently hydra-pneumatics and servo-based systems have emerged as viable low-cost alternatives. So which technology is best suited for a specific application? The following topics can serve as a guideline towards the correct usage.
    Aries Engineering is the only manufacturer Headquartered and Manufactured in North America offering both servo driven and hydra-pneumatic solutions.

    Servo-Based Technology – HyperCyl-EMA

    Capability: Provides exceptional control over force, speed, and distance characteristics. Requires the use of a full PLC/PC based electrical panel and 230V/460V. Best used for push-to-distance or push-to-force applications, push/pull applications and where Extreme repeatability is essential. Signature analysis, data logging, part history, trending and root cause analysis options are also available for added functionality and tracking.

    Reliability: Servo technologies are inherently capable and sizing them appropriately is crucial. Expected lifetime is from 3 Years to 5 Years, configured for any application. Long-Term Reliability coincides with maintenance schedules.

    Speed: Up to 16.00 in/sec with an extremely high rate of repeatability. Requires a deceleration setting before Contact and Home to maximize tooling and screw life.

    Forces: 1-10 Ton in Ball Screw configurations (BS1 & BS2) with a medium dynamic load rating; 1-25 Tons in the Roller Screw configuration with a high dynamic load rating.

    Maintenance: 3/6-month lube schedule & periodic belt tension check dependent on usage and environment.

    Cost: Can be higher initial cost than comparable Hydraulics. Energy efficiency and ROI achieved with minimal downtime, low noise pollution, rapid setting changes without involving tooling, ZERO environmental pollution, comparable energy usage to hydraulics without the mess.

    Hydra-Pneumatic Cylinders – HyperCyl

    Capability: Utilizing 2 pneumatic valves for operation and a FRL greatly reduces start up time. Cylinders are available in 5 design configurations and 11 standard sizes. Best used for; crimping, dimpling, peening, swaging, inserting, clinching, pressing, staking, piercing, punching, marking, bending, and forming. When coupled with the IntelliCyl option, (load cell and LVLT) force distance monitoring is available.

    Reliability: (MTBS) Mean time between service interval of approximately 4-5 million cycles because down time is not an option. LIFETIME warranty on all HPI – HPS – HZ – HZS – HPT cylinders, 1-Ton through 200-Ton.

    Speed: Fast Approach speeds similar to that of a pneumatic cylinder (6 in/sec – 10 in/sec) and High-Pressure speeds similar to that of hydraulic cylinders (1.0 in/sec – 2.0 in/sec).

    Forces: 1-200 tons of output force using 30-100 PSI shop air.

    Maintenance: 20 million cycles before seals require replacement. Field serviceable by maintenance techs and 24-hour HyperCyl assistance is available. Periodic maintenance depends on application and environment.

    Cost: More expensive than Pneumatic cylinders but offers the same clean, quiet & self-contained operation. Less expensive than hydraulic and mechanical systems for both short & long-term investments.

    Additional Products:

    HyperView Press – SigPOD
    IntelliCyl – load cell & linear transducer
    HyperPress-C Frame, H Frame, CGB Frame
    Equalizing/ Non-Equalizing Units Pneumatic
    Mechanical Rod Locks

    Industries Served:

    HyperCyl Manufacturing Industries Served – Automotive, DoD, Lawn & Garden, Appliance, HVAC, Food & Beverage Packaging, Destructive Testing, ATV/Off-Road

    HyperCyl-EMA Industries Served – Medical Device Manufacturing, Aerospace, Automotive, Food Product Manufacturing, Clean Room Environments, Lab Testing

    To learn more about our product solutions and how they can benefit your assembly or forming application, contact us today. To discuss your application requirements with one of our experts, request a quote.

  4. Can HyperCyl meet your application needs?

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    HyperCyl’s products are designed to enable clean, quiet, and precise operations with minimal maintenance requirements. Our diverse product portfolio supports a wide range of industries and applications.

    Industries

    Aries Engineering/HyperCyl is a Michigan-based company specializing in the fabrication of cylinders, presses, and other products for assembly and forming applications in the industrial automation, manufacturing, commercial, and defense industries. Our versatile products cover virtually all segments of industrial production, from medical and electronic device manufacturing to heavy industrial piercing and forming, including:

    • Automotive (engine/transmission, suspension, body)
    • Medical devices (clean-room)
    • Semiconductors (clean-room)
    • Electronic devices
    • Appliances (washer, dryer, etc.)
    • Munitions (bullet manufacture, warhead seal & contain systems)
    • Office furniture
    • Coining
    • Hemming

    Meeting Your Application Needs

    Whether you need a simple press, high-precision actuator, or fully customized turnkey system, HyperCyl has the manufacturing expertise and problem-solving skills to provide unique solutions for a range of assembly and forming challenges. Our press systems include C-frame, H-frame, and CBG-frame options, and we also offer HyperPierce units available in both equalizing and non-equalizing designs.

    HyperCyl cylinders are clean, quiet, and reliable self-contained power sources with versatile designs capable of accommodating various industrial operation requirements.

    In addition to our standard product line, we also accommodate special requests, and can tailor our cylinder and actuator designs around the customer’s specific production requirements with reasonable turnaround times and prices.

    Quality You Can Expect

    When you choose a HyperCyl for your operation, you can expect:

    • The ability to separately regulate the approach and power strokes, providing enhanced control over the process and eliminating the need for cylinder reconfiguration
    • Increased retract force versus competition, allowing for heavier tooling
    • No stored energy hazards as the cylinders do not use mechanical springs to assist the pistons (competition does use internal springs)
    • Increased value over alternative cylinder options, including multi-stage air cylinders and hydraulic cylinders and power units
    • Limited lifetime warranty

    To learn more about our product solutions and how they can benefit your assembly or forming application, contact us today. To discuss your application requirements with one of our experts, request a quote.

  5. What Is a Servo Actuator?

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    Actuators are designed to convert energy from different sources, such as electric currents, pneumatic pressure, or hydraulic fluid pressure, into motion. There are three main types of actuators: pneumatic actuators, hydraulic actuators, and servo actuators.

    Servo actuators use feedback signals to move or control mechanical systems in a highly efficient and safe manner. This is possible because servo actuators have a controller that can accurately compare, contrast, and calculate the potential differences between the desired results and system conditions on a real-time basis before the motion starts.

    Servo actuators use a servo motor in either an open or closed-loop control system. Several servo actuator models have a food-grade approved coating of paint for more sanitary wash-down applications.

    Servo actuators are available in both ball and roller screw configurations, like the HyperCyl-EMA, which has several options available for output force. They have an extended service life because they can easily be re-lubricated without disassembly.

    How Does a Servo Actuator Work?

    A servo system has three main core components:

    • A controlled device that allows the actuator to successfully operate
    • An output sensor/signal that acts as the main controller to tell the device what to do
    • A position sensor, encoder feedback, or load cell to provide accurate system feedback readings

    Servo Actuator Control Systems

    The control systems, which allow the actuators to operate, come in two different designs.

    Closed-Loop Control System

    Commonly referred to as feedback controllers, this type of control system is fully automatic and uses the input of the system and the output of the system controls to function. Closed-loop control systems are usually very accurate.

    Open-Loop Control System

    Commonly referred to as a non-feedback system, this type of control system is not automatic and doesn’t have a feedback loop. The output of the system depends on the input. However, the input or controller is independent of the output produced by the system. Open-loop systems do not measure the device’s output or use the information as input for further consideration.

    How Do Servo Actuator Controls Work?

    Servo actuators are controlled by a feedback signal generated by comparing the output signal and the reference-input signal rather than a variable-input signal. Whenever a command or reference-input signal is applied to the system, it is immediately compared with the system’s output-reference signal produced by the output sensor. Lastly, a third signal is produced by the servo actuator’s feedback system before it starts to move.

    The device can also be programmed with certain instructions and autonomously perform the movements on its own. For example, the actuator can receive a command to go to a specific position and immediately follow the command. This makes them very different from comparable pneumatic valves (pneumatic actuators) and pumps (hydraulic actuators), which can only follow simple instructions to ‘power on’ or ‘power off’ on their own.

    Applications of Servo Actuators

    There are numerous applications of servo actuators. Some of these include toys, home electronics, computers, drones, and remote controlled cars.

    Servo actuators also often play a crucial role in the function of both land- and sea-based vehicles – such as automobiles, airplanes, helicopters, and submarines.

    Automobiles

    Servo actuators can contribute to the function of these parts in automobiles:

    • Engine Cradle Assembly
    • Engine Sub-Assembly
    • Ball Joints and Bushings

    Airplanes and Helicopters

    Servo actuators adjust the wing angle of airplanes and control steering by moving the levers back and forth. Airplanes can easily “fly-by-wire” when they have a servo-controlled main system instead of an older hydraulic-powered one.

    Servo actuators can also control the speed of a helicopter by moving a swash plate, which can tilt the pitch of the blades in a certain direction to give it more lift.

    Submarines

    Servo actuators can adjust the submarine’s steering, bay doors, hatches, and rudder.

    Servo Actuators at HyperCyl

    HyperCyl has been providing servo actuators and other high quality assembly and forming solutions for customers in the industrial automation, commercial, manufacturing, and defense industries for over 25 years. Please contact us or request a quote today to learn more about servo actuators or our other product and service offerings. Our highly experienced team members would be happy to use their expertise to talk with you and help you identify the appropriate actuator for your organization’s specific needs.