東明工業 List of Products and Services

We would like to introduce our "Wheelset High-Speed Rotational Testing Machine (for High-Speed Railway Vehicles)." The wheelset of the test specimen is connected to the drive motor for wheelset rotation through a gearbox that is integrated with it, using belts and pulleys. Due to the high-speed rotation, lubricating oil is circulated within the gearbox, and flushing is performed before starting the operation. This drive motor rotates at a specified rotational acceleration and speed through inverter control, and during the test, the temperature, vibration (noise), and rotational speed of each component are measured and recorded. 【Features】 ■ Records and evaluates the temperature, vibration (noise), and other parameters of each wheelset component ■ The drive motor rotates at a specified rotational acceleration and speed through inverter control ■ Wheelset rotational speed: capable of reaching the maximum operational speed *For more details, please refer to the PDF document or feel free to contact us.

• Testing Equipment and Devices

The device is designed to install a test specimen (3-mode valve assembly) onto an inspection manifold block and automatically perform pass/fail judgment by pressing the spool of the test specimen with a linear actuator to measure the spool's spring load, stroke, and the pressure discharged from each hydraulic port. Additionally, it is capable of measuring the spool's spring load and stroke without applying hydraulic pressure. It consists of a hydraulic unit and a DC servo motor-driven linear actuator. 【Specifications】 ■ Test specimen: Integrated VLV assembly ■ Hydraulic pressure: 300 kPa ■ Supply flow rate: 10 L/min ■ Spool pressing load: Maximum 20 N ■ Dimensions: Width 1.6 m, Depth 1.9 m, Height 1.7 m *For more details, please refer to the PDF document or feel free to contact us.

• Testing Equipment and Devices

The "traverser for wind tunnels" is used to test the velocity distribution within the wind tunnel. It is equipped with a Pitot tube at its tip and moves in a grid pattern within the test space of the wind tunnel to measure the velocity distribution. The movement along each axis is driven by a ball screw powered by an electric servo motor, and the structure within the velocity field is designed in an airfoil shape to minimize wind resistance. When operating in automatic mode, it automatically moves and stops within the measurement volume to collect data. 【Features】 - Used for testing the velocity distribution within the wind tunnel - Movement along each axis is driven by a ball screw powered by an electric servo motor - The structure within the velocity field is designed in an airfoil shape to minimize wind resistance - In automatic mode, it automatically moves and stops within the measurement volume to collect data *For more details, please refer to the PDF document or feel free to contact us.

• Other measurement, recording and measuring instruments

We would like to introduce our "Load Simulation Testing Machine." When evaluating the performance and durability of automotive shock absorbers and suspensions, it is possible to apply dynamic loads to the test specimen and simulate usage conditions. In the case of the shock absorber vibration simulator, the static maximum load is 19.6 kN (2,000 kgf) and the dynamic maximum load is 9.8 kN (1,000 kgf). 【Specifications (for the shock absorber vibration simulator)】 ■ Control method: Hydraulic control ■ Static maximum load: 19.6 kN (2,000 kgf) ■ Dynamic maximum load: 9.8 kN (1,000 kgf) ■ Maximum speed: 2 m/sec at 9.8 kN ■ Maximum excitation frequency: 50 Hz ■ Test specimen mounting size: 320–1000 mm *For more details, please refer to the PDF document or feel free to contact us.

• Testing Equipment and Devices

The "Fuel Pump Test Stand" is an example of a test stand for aircraft actuators, designed to provide the required rotational speed to the Fuel Pump and conduct product shipment tests. By operating the manual valve, control panel, motor speed setting dial, and other components, it is possible to perform "break-in operation," "leak test," "guarantee pressure test," "flow test," and "HP pump relief valve operation test." Please feel free to contact us when you need assistance. 【Specifications】 ■ Control method: Hydraulic control ■ Special specifications: Explosion-proof design ■ Main spindle speed: 8,500 rpm ■ Main spindle torque: 35 N·m ■ Flow rate: 15,000 pph *For more details, please refer to the PDF document or feel free to contact us.

• Testing Equipment and Devices

The "Dynamic Characteristics Testing Machine" is a device used to conduct dynamic characteristics tests during the production process of automotive engine mounts. By significantly simplifying the main frame, vibration device, and testing items, we have achieved cost reduction, making it easier to introduce into production lines. It is capable of automatically performing a total of four types of tests: one static spring test and three dynamic spring tests, including execution, analysis, and pass/fail judgment. Data can be stored on a computer within the controller, and the touch panel mounted on the main unit allows for the selection of production models and inspection patterns. 【Features】 ■ Achieves low cost through simplification ■ Suitable for production lines ■ Capable of automatically performing a total of four types of tests: one static spring test and three dynamic spring tests, including execution, analysis, and pass/fail judgment ■ Data can be stored on a computer within the controller *For more details, please refer to the PDF document or feel free to contact us.

• Testing Equipment and Devices

The "Fatigue Testing Machine" is a device that applies repeated loads to a test specimen under a constant temperature to conduct fatigue testing. The control system uses electric and hydraulic servo valves to create a load control system that manages the load applied to the test specimen. It can control up to six testing machines, each equipped with a constant temperature chamber that continuously applies load while maintaining a specified constant temperature. 【Features】 - Continuously applies load while maintaining a specified constant temperature - Can control up to six testing machines - Amplitude and offset can be set to different values for each testing machine - The progress of the test and test data are displayed on a screen and recorded on a hard disk *For more details, please refer to the PDF document or feel free to contact us.

• Testing Equipment and Devices

The "Performance Testing Machine" is a device that carries Shinkansen vehicles, balances the load of the body, and measures the amount of deformation. The operator can easily control and verify the display using the touch panel of the controller, and the measured data such as load, displacement, date, and time can be read by a laptop via the USB port, allowing for data processing in EXCEL and other software. The drive is hydraulic, but it adopts a direct drive type valve (Power Meister), making it a space-saving and energy-efficient device. 【Specifications】 ■ Control Method: Hydraulic Control (Displacement Control, Load Control) ■ Body Length: 25,000mm ■ Support Span: 17,500mm ■ Maximum Body Weight: 40,000kg ■ Lifting Cylinder Thrust: 100kN or more/1 axis (maximum) ■ Strain Measurement Resolution: 0.1mm *For more details, please refer to the PDF document or feel free to contact us.

• Testing Equipment and Devices

The "Collision Testing Machine" is a device that can be used for impact testing in the development of parts for automobiles, small boats, and aircraft. It rapidly releases pressurized hydraulic fluid stored in an accumulator into a cylinder, accelerating over a short stroke. It can conduct tests at various set speeds and is capable of performing collision tests on automobile bodies and mounted equipment. 【Specifications】 ■ Control Method: Hydraulic Control ■ Target Piston Speed: 2 km/h to 100 km/h ±5% ■ Maximum Test Specimen Mass: Up to 1500 kg ■ Actuator Cylinder ・ Acceleration Stroke: 600 mm, Deceleration Stroke: 400 mm *For more details, please refer to the PDF document or feel free to contact us.

• Testing Equipment and Devices

The "self-propelled cart" is a device used to attach and detach equipment located under the floor of the Shinkansen (N700) for maintenance purposes. Despite having a very low vehicle height of 400mm, it can lift a weight of 2 tons up to 1800mm when raised. It features four-wheel drive and four-wheel steering, allowing for free movement forward, backward, sideways, and rotation in place. Additionally, by using servo control for driving, it enables smooth acceleration and deceleration as well as fine position adjustments. 【Features】 ■ Very low vehicle height of 400mm ■ Capable of lifting a weight of 2 tons up to 1800mm when raised ■ Free movement forward, backward, sideways, and rotation in place ■ Smooth acceleration and deceleration, and fine position adjustments possible *For more details, please refer to the PDF document or feel free to contact us.

• Trolley

The device is a hash house-type silencer that accommodates the entire aircraft. The aircraft can be set up simply by opening and closing the electric large doors. It detects the flame of the afterburner with sensors and automatically sprays cooling water in mist form into the high-temperature jet stream in accordance with the operation of the afterburner, eliminating the need for manual operation. There is almost no dripping of water droplets to the external surroundings. 【Features】 ■ Cooling water operation is automated ■ The aircraft can be set up simply by opening and closing the electric large doors ■ There is almost no dripping of water droplets to the external surroundings *For more details, please refer to the PDF materials or feel free to contact us.

• others
• Noise Inspection

We would like to introduce our "Aircraft Jack-Up and Weighing Device." The device supports the aircraft's fuselage with six pillars and raises and lowers them simultaneously while synchronizing their heights through servo motor control. Each pillar is equipped with a load cell for weighing, allowing for the measurement of the aircraft's total weight. 【Specifications】 ■ Load capacity: 12,000 kg ■ Lifting stroke: 1,250 mm ■ Lifting time: within 15 minutes *For more details, please refer to the PDF document or feel free to contact us.

• Actuator
• Other machine elements
• Weighing Machine

The "transport device" is a system used to transport large parts by truck while tilting them. Not only can it tilt, but it can also move up, down, left, and right, allowing for a narrower vehicle width and enabling balanced movement during transport. The operation method is via wireless remote control, and the maximum load capacity is 4,500 kg. 【Specifications (partial)】 ■ Control method: Electric control ■ Operating range - Tilt: 0–60° clockwise, counterclockwise - Horizontal: 0–400mm left, right - Vertical: 0–800mm up, down *For more details, please refer to the PDF document or feel free to contact us.

• Other conveying machines

This product is a simulator equipped with a driver's seat from a car, which moves in a straight line on a rail using a linear motor, allowing users to experience lateral acceleration during driving. It is capable of reproducing the lateral acceleration that drivers feel when a car changes lanes, among other scenarios. Since it does not use gears or wheels for propulsion, it features very smooth movement without any play, vibration, or noise. 【Features】 - Capable of reproducing the lateral acceleration experienced by drivers - Moves in a straight line on a rail using a linear motor - Does not use gears or wheels for propulsion - Moves very smoothly without any play, vibration, or noise *For more details, please refer to the PDF document or feel free to contact us.

• simulator

This product is a simulator that provides rotational motion through a servo motor while equipped with a driver's seat of a car and a motion table, allowing users to experience a sense of direction during operation. A key feature is that the horizontal rotation angle is close to 360°. The output of the servo motor is transmitted to the rotating table via a reduction gear, and the use of a high-rigidity reduction gear with no backlash enables extremely smooth rotational motion. The table is supported by a circular linear guide, providing high rigidity, and even when equipped with a 6-axis motion platform for intense movements, it does not wobble. 【Features】 ■ Horizontal rotation angle is close to 360° ■ Extremely smooth rotational motion is achieved ■ High rigidity ■ Does not wobble even during intense movements *For more details, please refer to the PDF document or feel free to contact us.

• simulator

Our company manufactures aircraft-related devices and various simulators. The device for experiencing the acceleration during aircraft pilot ejection controls the peak acceleration and acceleration rate (jerk) through pneumatic servo control, and displays the acceleration graph during ejection as well as captures the ejection posture using a video camera and high-speed digital camera. By inputting the trainee's weight (including equipment), the appropriate ejection acceleration is generated. 【Features】 < Device for experiencing the acceleration during aircraft pilot ejection > ■ Controls peak acceleration and acceleration rate (jerk) through pneumatic servo control ■ Captures and displays the acceleration graph during ejection and the ejection posture using a video camera and high-speed digital camera ■ Generates appropriate ejection acceleration by inputting the trainee's weight (including equipment) *For more details, please refer to the PDF document or feel free to contact us.

• simulator

The device is designed to calibrate aircraft altimeters for the purpose of shortening vertical separation intervals, which were introduced in domestic airspace in 2005. It features a mechanism that winds up a tube several dozen meters long, which is deployed from the tail of the aircraft. The device has a large drum at its center, onto which the tube is wound. Both the winding and deployment of the tube are automatically operated by electric motors, and inching operation is also possible via an operation button. Additionally, there is a manual winding mechanism available in case of motor failure. 【Features】 ■ Winds up a tube several dozen meters long that is deployed from the tail of the aircraft ■ Has a large drum at the center of the device for winding the tube ■ Both winding and deployment of the tube are automatically operated by electric motors ■ Inching operation is possible via an operation button ■ Includes a manual winding mechanism for motor failure situations *For more details, please refer to the PDF document or feel free to contact us.

• Testing Equipment and Devices

We introduce a variety of system products with numerous achievements in the aerospace and automotive fields. We offer original products such as material fatigue testing machines, automatic cardboard box forming devices for reinforced cardboard, and low-floor electric carts with four-wheel drive and four-wheel steering. Additionally, we respond to requests from various industries with custom-designed testing equipment and various devices. Our company integrates various foundational technologies, including servo control technology, to provide highly versatile system products. 【Examples of System Products (Partial)】 <Aerospace> ■ Inclined device for transporting large parts ■ Aircraft jacking and weighing device ■ Fuel pump test stand ■ Muffler device for ground operation of aircraft engines ■ Simulator for helicopter maintenance operations *For more details, please refer to the related links or feel free to contact us.

• simulator
• Testing Equipment and Devices
• Weighing Machine

At the Tohmei Industrial Systems Product Division, we develop a wide range of system products that integrate various core technologies and propose suitable systems that meet our customers' needs. We integrate various technologies such as electric control, displacement control, pressure control, and speed control. In constructing specific systems, we utilize computer analysis, such as mathematical simulations, to clarify dynamic behavior and build the systems. 【System Products (Excerpt)】 ■ Electric Control: Drive Simulator, Oscillation Device, Measurement Device ■ Hydraulic Control: Pressing Device, Performance Testing Machine, Multi-Channel Material Fatigue Testing Machine ■ Pneumatic Control: Ejection Seat Training Device, Steady Load Device for Large Actuators ■ Displacement Control: Drive Simulator, Oscillation Device, Self-Propelled Cart ■ Acceleration Control: Aircraft Jacking and Weighing Device, Wheel Axle High-Speed Rotation Testing Machine *For more details, please refer to the related links or feel free to contact us.

• Pressure Control
• Temperature and Humidity Control
• Torque Control

Introducing the products of the System Products Division of Tohmei Industrial Co., Ltd. We offer original products such as material fatigue testing machines, automatic cardboard box forming machines for reinforced cardboard, and low-floor electric trolleys with four-wheel drive and four-wheel steering. Additionally, we respond to requests from various industries through the design and manufacturing of custom testing equipment and various devices. 【Product Lineup (Partial)】 <Aerospace> ■ Fighter Jet Ejection Simulator ■ Thrust Vector Engine Test Stand ■ Aircraft Hydraulic Unit ■ Fuel Pump Test Stand ■ GSE for HTV *For more details, please refer to the PDF document or feel free to contact us.

• Other machine elements
• Testing Equipment and Devices
• Contract manufacturing

At Tohmei Industrial Co., Ltd., the System Products Division enhances the interface environment between people and machines, as well as data processing, by combining software. We supply system products such as testing and inspection equipment to various fields including the automotive industry, aerospace industry, railway industry, and general industrial machinery. We provide comprehensive support from the planning stage through design, manufacturing, and installation. We have developed numerous system products that integrate various technologies and propose appropriate systems that meet our customers' needs. 【Sales Items】 ■ System Products ■ Jigs and Tools ■ ARG: Anti Rolling Gyro ■ Contract Testing and 3D Measurement *For more details, please refer to the PDF materials or feel free to contact us.

• Other machine elements
• Testing Equipment and Devices
• Contract manufacturing