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  • Electrical Equipment at MRO Stop

    Electrical Equipment

    MRO Stop has all of your electrical equipment needs.   We supply high quality electrical industrial components from the most trusted brands in the industry at competitive prices.  Whether you need purchase new electrical equipment to have as a spare backup part or if your operations are down and you need the part immediately, MRO Stop can help.


    HMIHMI (Human Machine Interface)

    When it comes to process visualization, MRO Stop has the best selection around. Whether you are looking to replace a HMI for your process equipment or buying for a new installation, count on us to have a variety of human machine interface screen sizes, software, cables and accessories.


    PLC (Programmable Logic Controller)

    Mitsubishi's PLC line is one of the widest in the industry. Mitsubishi's offering spans from our Alpha PLC with as little as six I/O points, all the way to the high-end Q Series PLC capable of running entire plants with thousands of I/O.  Mitsubishi PLCs are complemented by a comprehensive array of software tools and networking technologies and offer seamless integration to our other automation products such as VFDs, motion control and HMIs, to provide a comprehensive solution with the controller at the center


    Industrial Ethernet

    Phoenix Contact offers an extensive range of Industrial Ethernet electrical equipment for all aspects of an Ethernet-based automation solution. From infrastructure devices, such as unmanaged and managed switches, to Ethernet I/O, Power over Ethernet, and Wireless, all products are designed to industrial specifications to ensure reliability under the most adverse conditions.


    Mitsubishi VFDsVFD (Variable Frequency Drives)

    VFD, or variable frequency drive, can be used in a wide variety of applications, from small kitchen appliances to large compressors or mill drives. These drives are adjustable - speed. They control the AC motor speed as well as the torque by varying both the motor input frequency as well as the voltage. They offer opportunities for energy savings, and as technology as continued to improve, their cost and size have been reduced while their performance has improved, making them more feasible for a greater portion of the population on a much wider scale.


    Motion Controllers

    Introducing the Motion Controller Q Series, meeting the needs for higher performance and smaller size to satisfy high-speed motion control applications! Compatible with the Q Series PLC (Platform), which incorporates Multiple CPU technology, the Motion CPU and PLC CPU are selectable and work in parallel to provide greater flexibility and unmatched performance. A large-scale control system (Up to 96 axes per system) can be created using an extremely compact package as Q Series PLC.


    Servo Motors

    Mitsubishi Servo Motors are made to high standards and offer a wide range of power, speed and inertia ratings providing a motor for all applications. Ranging from 50W through to 55kW and with specialist type motors available (flat "pancake"motors) the new Super Series Servo Motors complete the line-up of electrical equipment offered by Mitsubishi Electric

  • Industrial Air Spring Failure Causes

    When applied and maintained properly, industrial air springs can last for long amounts of time, trouble-free of service.  Most failures are caused by a lack of suspension maintenance or improper application. Common failures are caused by misalignments, loose girdle hoops, abrasions, air spring overextension and the bottoming out of air springs.  Download Firestone's guide to common air spring failures that are usually not covered by warranty.

  • Graco Husky Diaphragm Pumps at

    Graco's air-operated double diaphragm pumps are ideal for a wide range of applications, including corrosive and abrasive fluid transfer.  These Husky model pumps feature a patented air valve design with a three-way pilot valve for true non-sticking operation.  They are offered in a variety of different materials and connection sizes.  Here's a quick overview of some of the most common models.

    Husky 515 -  1/2" Double Diaphragm Pump

    The Husky 515 operates on as little as 20 psi (1.4 bar, 0.14 MPa) and is available in groundable acetal, polypropylene and PVDF materials of construction.


    • Fully-groundable acetal model
    • Delivery up to 7 gpm (26.5 lpm)
    • Easy-to-service air valve and ball checks
    • Reliable air valve for years of dependable performance

    Purchase Graco Husky 515 Pumps Here!

    Husky 716 - 3/4" Double Diaphragm Pump
    This 3/4-inch pump has an external controller for remote control capabilities and is available in aluminum and 316 stainless steel construction.
    • 3/4 in (19.05 mm) center- and end-porting
    • No seals to leak or fail
    • Quiet running less than 85 dBa with easy-to-use remote muffler capability for even lower noise levels
    • Easy-to-service air valve and ball checks

      Husky 1050 - 1" Double Diaphragm Pump
                Our new 1 inch double diaphragm pump features a stall-free, low pulsation air valve   which provides a smooth and rapid changeover. Available in aluminum, polypropylene, conductive polypropylene, PVDF, stainless steel and hastelloy fluid sections.
     Use the HUSKY 1050 SELECTOR TOOL to choose the right pump for your application!
    • Gold winner in the 2010 Plant Engineering Product of the Year contest!
    • 30% more efficient than the market leader
    • 20% increase in fluid flow compared to the Husky 1040
    • Up to 5 times longer diaphragm life compared to other double diaphragm pumps in its class
    • Expanded material offering to handle endless applications

    Purchase Graco Husky 1050 Pumps Here!

    Husky 1590 - 1-1/2" Double Diaphragm Pump
     This 1-1/2 inch pump offers a patented, high-reliability closed center air valve that is online serviceable and an epoxy-coated air section for tough environmental conditions.
    • 1-1/2 in. (38.1 mm) ANSI end-porting
    • High flow - 100 gpm (378 lpm) in a compact, portable size
    • Fluid pressure to 120 psi (8.4 bar, 0.84 MPa)
    • Lube-free operation
    • Available in polypropylene, kynar, aluminum and stainless steel.
    • Epoxy-coated air section for tough environmental conditions
    Husky 2150 - 2" Double Diaphragm Pump
     This 2-inch pump offers larger ports for increased flow. Available in aluminum, 316 stainless steel, ductile iron, polypropylene and PVDF.
    • 2 in (51 mm) ANSI end-porting
    • Fluid flow up to 150 gpm (568 lpm)
    • Fluid pressure to 120 psi (8.4 bar, 0.84 MPa)
    • Lube-free operation
    • Epoxy-coated air section for tough environmental conditions
    • 5-year warranty on wetted parts and 15-year warranty on center sections
    Husky 3275 - 3" Double Diaphragm Pump
     This 3-inch pump has bolted leak-free flanged connections and is available in aluminum construction.
    • 3 in (76.2 mm) ANSI center-porting
    • Fluid flow up to 275 gpm (1040 lpm)
    • Large flow paths for handling high viscosities
    • Easy air valve maintenance
    • Heavy-duty construction
    • Epoxy-coated air section for tough environmental conditions

    Purchase Husky 3275 Pumps Here!

  •'s Guide to Industrial Hose Selection

    Acronym to Guide in Hose Selection

    How To Select a Hose

    Several things must be known before the proper hose can be selected for any hose application. The acronym STAMPED can be the key to having the required information in most cases.

    SIZEThe appropriate inside and outside diameters and length of the hose should be determined.

    TEMPERATUREThe maximum temperature of the material being conveyed, and external temperature.

    APPLICATIONExternal conditions including abrasion, climate, heat, flexing, crushing, kinking and degrees of  bending.

    MATERIALThe composition of the substance being conveyed and compatibility with the hose.

    PRESSUREThe maximum pressure of the system, including pressure spikes.

    ENDSThe appropriate end connections and attachment method for the application.

    DELIVERYTesting, quality, packaging and delivery requirements.

    Complicated applications or an application requiring special made-to-order hose may require more detailed information.


    Once the basic needs for your application have been identified, view Parker's Industrial Hose Catalog here to see more specific product details, and choose a part #.



  •'s Guide to Mitsubishi VFDs

    Mitsubishi VFD Overview

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    Mitsubishi VFDs achieve high precision and fast responses that exceed the performance of conventional general-purpose inverters. Mitsubishi VFD's can be used in specialized applications such as line control and elevators. By incorporating our original all-digital vector control, high starting torque and high speed response have been made possible for both velocity and torque control modes. The following is a run-down of currently available products.

    Mitsubishi A700 VFD

    Mitsubishi A700 VFDThe Mitsubishi A700 VFD is a high performance drive that replaces the popular A500(L) series. The Mitsubishi A700 VFD features many of the special technologies originally developed for Mitsubishi Electric servo drive products, such as adaptive auto-tuning that automatically compensates for changes in load inertia. The result is smoother operation, less downtime and ultimately, lower operating costs. Control modes include Velocity, Torque and Positioning. Real Sensorless Vector allows Zero speed holding torque and torque control without the need for an encoder. Mitsubishi's 'Real Sensorless Vector' or RSV motor control system provides unequalled dynamic performance, ensuring a wider speed range, smoother operation and lower motor currents than ever before. RSV starts with a highly accurate motor 'map', obtained during an auto-tune procedure which applies alternating voltage to the motor and determines critical motor characteristics. At the heart of RSV is the Adaptive Flux Observer system which compares actual motor behavior during operation with the theoretical model. Instead of a response to a change in load or speed being fixed, any variations between the theoretical and the actual motor response measured in operation are analyzed by the Flux Observer, which constantly refines the motor map as speed and load conditions change.- Wide Speed Range: 200:1 operating range is possible - even when the drive is used 'open loop'
    - PLC Feature: A700 programmability provides true intelligence inside the drive - a simple solution for complex applications
    - Easy Gain Tuning: Compensates automatically for changes in load inertia to ensure smooth and consistent operation
    - Fast Response: Up to 300 radians / second speed response means lightning fast reaction to sudden load changes
    - USB Port: Allows simple connection to the new FR-Configurator Software for quick and easy commissioning
    - Power Down Braking: Keeps the motor under control even if the supply power is lost
    - Remote I / O Capability: All of the drive I/O can be read or controlled over a network
    - Brake Transistor Circuit: Included in all sizes up to 30 Hp
    - Integral Radio Filter: Limits Radio Noise emissions to meet EU Directive - all sizes of drive
    - Speed Control: with or without torque limit allows 200:1 Speed range, driving or overhaulingOpen Loop Torque Control: including torque at zero speed
    - UL Listed for single-phase input

    Mitsubishi D700 VFD

    Mitsubishi D700 VFDThe Mitsubishi D700 VFD is the Low Cost direct replacement for the S500 & S500E Variable Frequency Drives and includes the following improvements:- Improved speed range. 150% or more motor torque is now possible at 1 Hz using General Purpose Magnetic Flux Vector control, giving a smooth open loop speed range of 60:1.
    - More interoperability. The D700 communications include Modbus RTU as well as Mitsubishi Electric's own RS 485 programming protocol (supported as standard).
    - Remote operation. Drive I/O can be remotely operated over any supported network, regardless of what the drive is doing.
    - Easy mounting. In smaller panel spaces, the D700 can be "bookshelf' mounted without a gap in between, and DIN Rail mounting is also possible.
    100kA fault-withstand rating simplifies panel construction.
    - Safety Stop Function. The D700 comes standard with a safety stop circuit allowing the removal of a previously required external contactor and is EN951-1 Category 3 and IEC60204-1 Stop Category 0 compliant.
    - RoHS compliant. Approved for installation on Europe-bound machines.
    - High accuracy. Analog inputs/outputs provide master/slave control.
    - "Maintenance free." Intelligent fan control, fewer moving parts, more robust bus capacitors and custom-made intelligent power modules are all designed to have a 10-year operating life so that users can install the D700 and forget it.

    Mitsubishi E700 VFD

    Mitsubishi E700 VFDThe Mitsubishi E700 VFD is the latest generation of Mitsubishi Electric's Micro Sized Variable Frequency Drives. The Mitsubishi E700 VFD replaces the popular E500 VFD and utilizes the same mounting foot print. Advanced features and functions such as USB port for commissioning and monitoring, embedded M-dial and display, increased low speed performance and the ability to install one of the many 700 VFD option cards allows the E700 to be used in the most demanding applications. With a standard 5 year warranty, quality and reliability is essentially guaranteed. The Mitsubishi E700 VFD promises to continue Mitsubishi's long history of providing the best micro drive in the industry.Simple to Use- Standard M-dial and display makes setup and monitoring easy
    - USB port allows setup & troubleshooting via PC
    - RJ45 port supports optional alpha numeric keypadAdaptable- Removable control I/O card simplifies wiring
    - Connection to various networks possible using option card
    - Increased I/O possible with installed option card
    - Special I/O cards tailored to meet specific applications

    Simple to Maintain

    - 10 year maintenance free design life
    - Self diagnostic warnings for key internal components
    - Easy to replace cooling fan requiring no tools


    - UL / cUL / CE approved
    - RoHS compliant
    - Approved at 100K Symmetrical Amps


    - Available in 240V and 480V up to 20HP
    - Available in 115V up to 1HP
    - Advanced Magnetic Flux Vector Control for improved starting torque and smooth low speed motor operation
    - Auto-tuning allows improved performance using virtually any manufacturer's motor
    - All capacities include built-in brake chopper
    - USB communications allow fast commissioning and troubleshooting
    - Standard RS485 serial communications supporting Modbus® RTU
    - Sink / Source selectable I/O
    - Supports remote I/O function via network
    - Built-in PID Control
    - Delivers rated current at 50°C and 14.5kHz carrier frequency with minimal de-rating
    - 200% overload for 3 seconds
    - 0 to 10V analog output
    - CC-Link®, DeviceNet%u2122, Profibus-DP, LonWorks®
    - Standard 5 year warranty

    Mitsubishi F700 VFD

    Mitsubishi  F700 VFDThe specifications of the Mitsubishi F700 VFD make this VFD from Mitsubishi Electric an absolute must for your drive systems. The Mitsubishi F700 inverter is built to optimize 3-phase motor control, saving energy for virtually all general purpose applications.PRODUCT FEATURES:- Programmable Timer: Generates a signal dependent on drive operating time - useful to plan scheduled machine maintenance.
    - Independent RS-485 Connections: Allow serial communications and keypad operation at the same time with no options needed. F700 supports Modbus RTU as well as the standard Mitsubishi Electric protocol.
    - Complies with Global Standards: UL, cUL, GOST, JEM, and CE marked for use in Europe. A radio filter is included in the drive as standard to meet European EMC levels (2nd Enviromental).
    - Improved Field Bus Capability: Now includes Profibus DP, Lon Works, CC-Link, DeviceNet, Metasys N2 and Siemens FLN.
    - Overvoltage Avoidance: The F700 measures DC bus levels when decelerating and controls drive speed to eliminate nuisance tripping.
    - Windmill Start: F700 measures residual motor slot ripple to determine both the speed and direction of rotation of a coasting motor and can swiftly and smoothly bring it under control when required - whichever way it's spinning.
    - Enhanced Energy Savings: An improved version of Mitsubishi Electric's famous energyoptimization software boosts motor efficiency to unprecedented levels and intelligently maximizes energy savings.
    - UL Type 1, Plenum Rated, Enclosure Designs (NEMA 1): Drive can be mounted as a stand-alone unit. Single Phase Input: UL/cUL Listed for use with Single Phase Input supply.
    - Ease of Programming: Taken to higher levels with the new DU07 programming dial and FR-Configurator programming software.

    Purchase Your Mitsubishi VFDs

    Mitsubishi A700 VFD
    Buy Mitsubishi A700 VFD and Accessories from
    Mitsubishi D700 VFD
    Buy Mitsubishi D700 VFD and Accessories from
    Mitsubishi E700 VFD
    Buy Mitsubishi E700 VFD and Accessories from
    Mitsubishi F700 VFD
    Buy Mitsubishi F700 VFD and Accessories from

  • Precautions with Firestone Marsh Mellow™ Springs

    Firestone standard industrial Marsh Mellow™ springs have an operating range of -40°F to 135°F (-40°C to 57°C).
    The upper limit is defined by the actual rubber temperature during operation.  High frequency inputs
    or large deflections will cause the rubber temperature to increase.

    Design Envelope
    Adequate clearance should be provided around the Marsh Mellow spring to prevent rubbing of the outer
    cover.  The outside diameter of the spring at various heights is listed in the table of dynamic characteristics
    on each individual data page.

    Shielding should be used to protect the rubber from exposure to hot metal, petroleum base fluids, acids,
    etc.  Please consult Firestone Industrial Products if you wish to know how the spring will withstand a
    specific contaminate.  (For liquids such as acids, it is important to know both concentration and

    The best storage environment is a dark, dry area at normal room temperature.

    Percent Compression
    The general compression range of a Marsh Mellow spring is 15% to 27%, however this value may vary
    somewhat among springs and applications. Always follow the load ranges and their corresponding
    compression percentages as shown in the selection guide.

    Allowable Stroke
    When applying a Marsh Mellow spring, the stroke throughout the range of motion of the machine being
    isolated must be considered.  Delta strain, defined as the ratio of the stroke to the free length, is restricted
    to less than 7.5%.

    Note that a given stroke is typical of vibrating screen types of applications, where the stroke is designed into
    the system.  In other isolation applications, this stroke may not be known. The stroke is typically not
    excessive in standard isolation applications, but should be considered. Consult Firestone for

    Disturbing Frequency Range
    Marsh Mellow springs are suitable for disturbing frequencies in the 800-1200 CPM (13-20Hz) range
    or medium stroke applications.  High frequency, high stroke applications may lead to overheating the Marsh
    Mellow spring.  Low stroke applications, however, are capable of handling higher disturbing frequencies.
    Please consult Firestone Industrial Products for assistance.

    Lateral Stability
    The lateral spring rate to load ratio for a Marsh Mellow spring decreases as deflection increases.  This is one reason it is important not to exceed the given load capabilities.

    Center of Gravity
    A Marsh Mellow™ spring isolation system is inherently soft (easily deflected); therefore, precautions must be
    taken to insure that the system is stable. First consider the location of the center of gravity (CG). Ideally, Marsh
    Mellow springs should be located on the same plane (parallel to the ground) as the center of gravity. Where
    this is not possible, follow this guideline: The distance between the narrowest mounting points should be at
    least twice the height of the center of gravity.

    In the above example, the most narrow distance between two Marsh Mellow springs is 46 inches
    (117 cm). The height to the CG is 48 inches (122 cm); therefore, this system does not meet Firestone's guidelines.  Two possible solutions would be:

    1. Increase the base dimensions to meet Firestone guidelines
    by increasing both the width and length to at least 48 x 2 or 96 inches (122 x 2 or 244 cm).
    2. Locate the Marsh Mellow Spring at the CG as shown below.

    Startup and Shutdown / Resonance and Amplification
    Resonance is the condition where the forced frequency of the vibrating system is equal to the
    natural frequency of the suspension. When this happens, amplification of movement occurs. If the
    normal stroke of a vibrating screen, for example, is 5/16 of an inch (8 mm), during startup and shutdown
    (as the machine goes through resonance), the amplitude of movement will be multiplied. So while
    the machine is accelerating to normal operating speed and decelerating during shutdown, the stroke may be
    amplified in the range of 1⁄2 (12 mm) to 11⁄2 (38 mm) inches. The longer the machine takes to go through
    resonance (to speed up to, or slow down from full operating speed), the larger the amplitude of
    movement. Note that in some applications, the addition of viscous or friction dampers may be
    required to reduce the amplitude of motion during startup and shutdown.

    Isolating an Unbalanced Mass
    The primary concern in this case is the amplitude of movement. It is dependent on:
    1. The ratio of the unbalanced moving mass to the total suspended mass.
    2. The ratio of the speed of the unbalanced moving mass (forced frequency) to the natural frequency
    of the Marsh Mellow spring and supported mass system.
    The addition of damping to the isolation system (“shock absorbers”) will reduce the large amplitude
    of movement experienced during resonance. If the amplitude of movement is too great, one
    possible solution would be to add a static inertia base in order to increase the ratio of the total suspended
    mass to the moving unbalanced mass. A good “rule of thumb” is 10:1, respectively.

  • MROstop's guide to Firestone Air Springs

    What is an Air Spring?

    Firestone Air SpringsFirestone Airstroke Air bags and Airmount Isolators offer short-stroke, high-force and single-acting pneumatic actuation for applications such as conveyors, lift tables and work holding devices. An air spring is a carefully designed rubber/fabric bellows which contains a column of compressed air. The rubber bellows itself does not provide force or support load. This is done by the column of air. Firestone air springs are highly engineered elastomeric bellows with specially designed metal end closures.  Many Firestone air springs are also available in high strength construction for higher pressures. In this case, there are four plies of fabric-reinforced rubber, with an inner liner and outer cover. The two ply air spring is standard. Each air spring bellows is identified by a style number. This style number is molded into the bellows during the curing (or vulcanization) process. Examples would be 16, 22, 313, 1T15M-6, etc... This identifies only the rubber/fabric bellows and not the complete assembly. There are several different end closure options available for most air springs; therefore, please always specify both the style number and the complete assembly order number (AON). An example would be: Style #22, assembly order number W01-M58-6180.

    So, Really...What is an Air Spring?

    Firestone developed the air spring in the late 1930's as a more efficient air spring (vibration isolator) for use in vehicle suspensions. Airide springs, as they were named, provided the means for a suspension to reduce the amount of road shock and vibration transmitted into the vehicle. Millions of miles of actual use have proven the dependability and effectiveness of the air suspension concept using Airide springs by Firestone.

    Airstroke actuators, Airmount isolators, and Airide springs are Firestone registered trademark names for one product: the air spring.  The use of the air spring (actuator, industrial isolator and vehicular isolator, respectively) determines which name is applied to it.

    All of the parts on this site may be used as Airstroke actuators (except the 1X84D-1 and 2M1A) or Airmount isolators, with two exceptions: Triple convoluted and reversible sleeve type air springs (except the 1M1A-0) should not be used as Airmount isolators without consulting Firestone. Individual Airstroke actuators and Airmount isolators are capable of generating a force or supporting a load of up to 100,000 pounds, and a stroke capability of up to 14 inches is possible.

    Using Firestone Air Springs as Airstroke Actuators

    Firestone Airstroke Actuators are like cylinders. They are different looking, and they do not work exactly like the well-known and accepted JIC cylinder. Functionally, however, air springs perform the same type of actuation tasks. Firestone Airstroke actuators have long been used in the industrial market as pneumatic actuators incorporated into new and innovative machinery designs as well as replacement actuators for existing applications that had previously used traditional pneumatic or hydraulic cylinders. These replacement markets are created by the advantages of a flexible walled pneumatic actuator that is durable, operates well in corrosive and abrasive industrial environments, easily accepts misalignment, and has a high ratio of stroke to collapsed height. Each of these features give Firestone Airstroke actuators the advantage over traditional cylinders. Why use an Airstroke actuator (rather than air or hydraulic cylinder) for actuation?

    • LOW COST - Generally, initial cost is one-half or less than conventional pneumatic or hydraulic cylin­ders of the same force capabilities. This initial cost advantage is many times greater in the larger sizes.
    • WIDE SIZE RANGE - Airstroke actuators are available in sizes ranging from 2.2 inches to 37 inches in diameter. The force capability is 100,000 pounds. Strokes of up to 14 inches are possible.
    • DURABLE FOR LONG LIFE - Airstroke actuators are a further application of Firestone's time proven Airide springs for truck and bus suspensions. The long life and durability necessary for millions of miles of heavy duty suspension use under adverse environmental conditions are also important factors in machine design.
    • NO MAINTENANCE OR LUBRICATION REQUIRED NO INTERNAL ROD OR PISTON - Airstroke actuators have no internal rod, piston, or sliding seals as do conventional cylinders. This allows for the design of Airstroke actuators into applications where dirt or grit would destroy the seals on conventional cylinders.
    • FRICTION FREE FOR - IMMEDIATE RESPONSE - Since Airstroke actuators have no sliding seals, there is no breakaway friction as with conventional cylinders
    • FLEXIBLE MEDIA - An Airstroke actuator can do its work with either a liquid or gas (Please see page 14 for acceptable media choices.)
    • ANGULAR CAPABILITY - An Airstroke possesses the unique capability of stroking through an arc without a clevis. Angular motion of up to 30 degrees is possible, along with the design advantage of generally less complex linkages.
    • SIDE LOADING CAPABILITY - Airstroke actuators, within certain limits, are not affected by side loads as are conventional cylin­ders. This misalignment capability eliminates potential rod bending, scoring, and excessive seal wear common to conventional cylinders.
    • COMPACT STARTING HEIGHT - Airstroke actuators have a low profile compared to conventional cylinders. Our smallest Airstroke actuator (2.2 inch/dia.) collapses to just 1.1 inches in height, while our largest triple convoluted Airstroke (37 inch/dia.) will collapse to a very com­pact 5.5 inches.
    • FACTORY SEALED AND TESTED - Most Airstroke actuators feature Firestone's proven concept of crimped end plates. The crimped design allows for preshipment testing and quicker installa­tion on equipment.


    Using Firestone Air Springs as Airmount Isolators

    What is a Firestone Isolator?  A Firestone Airmount Isolator is a device that prevents one object from affecting another. The Isolator allows both objects to exist in their natural state without influence from the other. With a Firestone Airmount isolator, one of the objects is allowed to vibrate without transmitting all of the energy of that vibration to the other object. For many years, Firestone has been in the business of designing and developing a wide range of mounts and supports to isolate vibrations that are detrimental to many industrial and manufacturing environments.  Why use an Airmount isolator rather than a coil spring or other type of isolator?

    • UNSURPASSED ISOLATION CAPABILITY - Airmount isolators can provide the highest degree of isolation of any type vibration isolator. System natural frequencies as low as 60 cycles per minute (1 Hertz) are available. The addition of an auxiliary reservoir can provide even lower system frequencies. In order to achieve similar results from a conventional coil spring isolator, a real deflection of 9 inches would be required.
    • CONSTANT ISOLATION EFFICIENCY - Airmount isolators are unique in that the system's natural frequency does not change significantly with changes in load. This unique feature, combined with accurate height control, will allow the use of the same Airmount isolator at each mounting point of an unevenly loaded machine.
    • ACCURATE HEIGHT CONTROL - Airmount isolators provide accurate height control through regulation of internal air pressure. This feature eliminates the fatigue and permanent set found in the use of other types of vibration isolators.
    • WIDE SIZE RANGE - Airmount isolators are capable of isolating loads of 100 pounds per mounting point to over 100,000 pounds per mounting point.
    • COMPACT INSTALLED HEIGHT - Airmount isolators can carry the loads and provide the isolation described above at installed heights as low as 2.5 inches. Coil springs providing equal isolation would require a free height of 5 to 25 inches.
    • EXTENDED EQUIPMENT LIFE - Airmount isolators extend equipment life through their superior isolation capabilities.
    • EFFECTIVE NOISE REDUCTION - Airmount isolators reduce structurally transmitted noise. Airmount isolators are also quiet in themselves, since there is no spring chatter as found in conventional coil springs.
    • VERSATILE - Airmount isolators can be used not only to protect structural members from vibrating machinery, but are also widely used to protect delicate equipment from structurally transmitted vibration.

  • Mitsubishi FR-PU07 Parameter Upload/Download

    The good people at Mitsubishi Automation have released a video tutorial on Mitsubishi FR-PU07 Parameter Upload/Download for Mitsubishi VFDs.

    Purchase the  Mitsubishi FR-PU07 Parameter Unit at

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