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AMI experts and facilities are well-versed in multiple technologies so that we can adapt solutions to whatever needs you may have. To help you better understand our expertise and adaptability, here are a few examples of recent projects for our clients:

LASER SCAN INSPECTION SYSTEM  |  LIGHTNING PROTECTION BOARD  |  INJECTOR TEST SYSTEM
OMNI-TIRE INFLATOR SYSTEM  |  RIM GAUGER  |  SHEET FEEDER  |  LATCH VALVE TEST SYSTEM
ROUGH-IN TEST STAND  |  PRIMER FIRING TEST SYSTEM  |  ELECTRIC PRIMER TEST SYSTEM
BLOWER TESTERS  |  WIND TUNNEL AUTOMATION  |  CONTROLS FOR PNEUMATIC TRANSPORT SYSTEM
CONTROLS FOR MOTOR WINDING MACHINE  |  HIGH PRESSURE REGULATOR TESTER  |  ROBOTIC CONTROLS
CIRCUIT BOARD FUNCTIONAL TESTERS  |  AUTOMOTIVE LAMP TESTERS  |  BAR CODE LABEL VERIFICATION SYSTEM   
STAIR LIFT CONTROL BOARD  |  MT-DAC

Robotic Packer

AMI integrated two robots to pack spray nozzles in cardboard boxes. BACK TO TOP

LASER SCAN INSPECTION SYSTEM

This intelligent system measures and records dimensions of machined shafts with the aid of a laser micrometer. It combines the functionality of a PC, a motor and motor controller to position the micrometer, a fixture to securely mount the shaft to be tested and translate measurements via Visual Basic software to a Microsoft Access database within strict tolerances dictated by our client. The system allows test operators to easily position and program the laser micrometer for each shaft model and ensure that shafts fall within the specified diameters for each model. BACK TO TOP

LIGHTNING PROTECTION BOARD

Designed to protect expensive electronic components from lightning strikes, this popular board has been used on agricultural pivot irrigation systems with great success. Because pivot irrigation systems are large metal structures (typically up to 1/2-mile long) made from large expanses of pipe or tubing and support towers that rotate in open farm fields, they are prime targets for lightning strikes during electrical storms. Our lightning protection board keeps the electronic systems that control pivot irrigation systems protected and decrease the chances of downtime during critical growing seasons. BACK TO TOP

INJECTOR TEST SYSTEM

This system was designed to test pneumatic injectors—devices used to inject liquid solutions into animals without the use of needles. It features a personal computer, data acquisition card, load cell, pressure transducer, test fixture and custom Visual Basic programming to measure, plot and record input pressure, load cell output pulse duration, maximum amplitude and total energy during the injection process. Results are recorded in a database for easy retrieval, manipulation and reporting. BACK TO TOP

OMNI-TIRE INFLATOR SYSTEM

The Omni-Tire Inflator System is designed to automatically inflate tires mounted on motorcycle wheels. It consists of a hinged pressure chamber, high-flow valves and a Programmable Logic Controller (PLC) that operates the valves and controls air pressure in the chamber and tire. System air pressure is monitored with analog pressure transducers thereby increasing accuracy and reducing cycling time. An analog gauge indicates final tire pressure. The height and position of the pressure chamber are easy to configure to allow operator/riders to adjust tire pressure to his/her preference. BACK TO TOP

RIM GAUGER

The Rim Gauger measures run-outs on wheels to maintain quality control during fabrication. It features a PC, data acquisition card, several LVDTs, a wheel fixture and custom software. While the wheel is spinning, LVDT output is captured and analyzed by the PC. At test end, the PC and custom software calculate various run-outs and compares data to pass/fail limits.
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SHEET FEEDER

This system is designed to alleviate the need to manually insert sheet steel blanks into a roll former. The PLC-controlled feeder consists of an open magazine for blanks, an elevator to keep the blank stack level at a constant height and an ejector mechanism to remove the top sheet from the magazine and push it into the roll-forming equipment. BACK TO TOP

LATCH VALVE TEST SYSTEM

A fully automated system, the Latch Valve Test System performs leak and flow tests on 44 types of latch valves which are used to control medical gases in hospitals. It features a rack-mount PC, a touch screen, an oval conveyor and four test stations. The first station verifies that the part under test meets its minimum flow specification while the next two stations check for pressure leaks. The final station removes failed parts from the conveyor and utilizes an ink stamp to imprint good parts. Software for this application was written in Labview.
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ROUGH-IN TEST STAND

The Rough-In Test Stand is designed to perform leak and flow measurements on standard length tube console rough-in assemblies, hose barb console rough-in assemblies, and all concealed rough-in assemblies related to medical gas systems in hospitals. The system also verifies that the assembly under test is keyed for the proper gas. Our goal was to design and manufacture a test system that is fully user programmable, highly reliable, easy to service and requires very little maintenance. It includes a conveyor subsystem, a flow-test station, two leak test stations, a marking station, a sort station and a rack-mount PC. BACK TO TOP

PRIMER FIRING TEST SYSTEM

This system is used to measure various characteristics of electric primers such as resistance, wire burn status, sensitivity and firing time. It is a computer-driven system with LCD touchscreen; digital storage oscilloscope with IEEE488 capabilities; digital source meter; voltmeter; programmable AC power supply; programmable DC power supply; IEEE488 to analog converter; digital I/O card; relay control panel; and printer. BACK TO TOP

ELECTRIC PRIMER TEST SYSTEM

The Electric Primer Test System is used to perform tests on three types of explosive electric primers to determine if the tested primers meet required specifications. It features a turntable with four testing stations:

  • Load station - allows the the operator to remove trays of tested primers and to load trays of untested primers;
  • Resistance station - performs resistance measurements on all three types of primers via electrical stimulus from a source meter and a voltmeter which measures the resultant IR voltage drop across the primer. The calculated resistance is then compared to minimum and maximum standards which are programmed based on the type of primer being tested;
  • Gauger station - measure the thickness of the powder inside the primer housing with highly sensitive inductive sensors. The calculated powder thickness is them compared to minimum standards which are programmed based on the type of primer being tested;
  • Sort station - removes the good primers from their tray and places them into an adjacent tray.

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BLOWER TESTERS

Each blower test stand consists of a PC, a Variable Frequency Drive, an AC motor and a pair of servo valves. The blower under test is attached to the AC motor in a sound-proof enclosure and spun at the desired speed. The PC places the desired load on the blower by adjusting the servo valves connected to the blower's inlet and outlet ports. The computer also monitors various transducers with the aid of a data acquisition card and records the information, along with assembly data, into an Access database residing on the plant LAN/WAN. Test software was written in Visual Basic and Access. BACK TO TOP

WIND TUNNEL AUTOMATION

This project consisted of replacing existing motors, actuators and pushbuttons with servo motors, linear actuators and computerized controls to speed up setup and test times, and enhance overall productivity and efficiency. The system features a PC with four-axis servo card and Visual Basic programming and a control panel that houses the servo drives. It allows the operator to first jog the model to be tested and then save various positions to a test file. Once the sind tunnel is activated, the model is sequentially moved to saved positions while information from the various load cells is recorded and reported. BACK TO TOP

CONTROLS FOR PNEUMATIC TRANSPORT SYSTEM

These systems are used to pneumatically transport carriers containing medicines, samples, patient records, etc. to and from various stations within hospitals. For these applications, AMI designed a board to control each individual station. The controller board features digital I/O; a RS232/422 port to interface with a touchscreen; a LCD interface; a keypad interface; and a parallel port. The board also has a flash EPROM which enables simultaneous remote programming of all boards from the master PC through RS485 interface. AMI also provided a Visual Basic routine to prioritize, coordinate and track each carrier transaction. BACK TO TOP

CONTROLS FOR MOTOR WINDING MACHINE

This project consisted of controls design for a 5-axis machine used to wind motor coils. A standalone 8-axis servo controller positions the 5 servo motors while monitoring and controlling over 200 points of I/O. A touchscreen interface allows the operator to select various operating parameters such as the number of poles to be wound and the number of coils for each pole. BACK TO TOP

HIGH PRESSURE REGULATOR TESTER

This tester performs leak and flow tests on oxygen pressure regulators at pressures up to 3,000 PSI. It consists of automatic pressure regulators, flow controllers, pressure transducers and a custom controller board to sequence the test operation and determine the test results.
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ROBOTIC CONTROLS

The custom robot features 6 axes of motion is used to load and unload wafers of ceramic capacitors into and out of an automated die-cut press. The control software was developed in the servo controller's own version of Basic. A Visual Basic program was also provided to allow maintenance personnel to communicate with the robot's servo controller using a laptop in order to teach and store the desired robot positions. BACK TO TOP

CIRCUIT BOARD FUNCTIONAL TESTERS

These testers provide functional tests on several circuit boards. Vacuum and clam-type test fixtures with spring probes are used to access test points on the boards while variables such as voltage, current, frequency, etc. are measured and recorded. BACK TO TOP

AUTOMOTIVE LAMP TESTERS

These testers measure the forward and reverse currents drawn by automotive LED lamps, such as tail lights and turn signals, while various voltages are applied. They feature an industrial PC, a data acquisition card, a digital I/O card, a programmable power supply and a custom relay switching board. Newer versions of these testers are integrated with sonic welders and pin stampers, thereby providing final assembly and testing functions within a single system. BACK TO TOP

BAR CODE LABEL VERIFICATION SYSTEM

This PLC-based system verifies the presence of labels on a web of printed materials as well as the validity of the bar codes printed on the labels. With the operator interface, the operator selects the total number and positions of labels on the individual sheets that form the web. Optical sensors are used to synchronize the leading edge of each sheet with the encoder and high-speed counter card while luster sensors detect the labels. BACK TO TOP

STAIR LIFT CONTROL BOARD

This board controls the operation of a stair lift—a lift used to move one person between floors in a building. It operates on 24 VAC power or 24 VDC batteries. The control board typically draws power from an AC source and constantly charges its batteries. Should normal AC power be lost, the board automatically switches to battery power to avoid loss of lift use. View the Stair Lift Control Board product sheet. BACK TO TOP

MT-DAC

The MT-DAC is a versatile and reliable single channel RS-232 to analog converter that has many applications, the only limits are those of the users imagination in its implementation. Multiple channel units configured for 2, 4, 8 outputs are also available. Features of the MT-DAC include the following:

  • Single Channel selectable analog ranges:
    • 0-5V, 0-10V, +/-5V, +/-10V 4-20mA
  • Multiple Channel selectable analog ranges:
    • 0-10V, 4-20mA
  • Switch selectable baud rate.
  • User defined RS232 input string format.
MT-DAC Manual   Multi-Channel-DAC Manual
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