Which type of EMAs are you looking for?You can choose Tamagawa Electro-Mechanical Actuators best fitted for your purposes
Tamagawa Seiki Co., Ltd. has a variety of Electro-Mechanical Actuators in product lineup.
Not only for standard catalogue models, there are some design options to satisfy customer’s needs.
01.Ball-screw Type Linear Actuator
Customizing the fitting & electrical specification, Tamagawa can design and produce Ball-screw Type Linear Actuators to meet customer's requirements for stroke, operating force and speed.
Features
- Both types of Irreversibility & Reversibility are available.
- Mechanical Interface Options: Spherical Bearing or Cardan Joint (See below)
- Cable Options: Pigtail or Direct Connector
- In-house Design / Manufacturing: Motor & Mechanical Parts
- Environmentally Resistance: Perfect Sealing applicable to Aircraft Wing
Products


Mechanical Interface
| Housing Front Side | Slide Head Side | |
|---|---|---|
| Spherical Bearing |
|
|
| Cardan Joint |
|
|
Applications
02.Jack-screw Type Linear Actuator
Tamagawa can provide a wide variety of Jack-screw (Acme-screw) Type Linear Actuators. Not only Actuator itself but also electrical motors, sensors, controllers and clutches integrated in Actuators are developed and produced in house.
Features
- Segregation: Dual load path and redundancy
- Only Irreversibility type is available
- Cable Options: Pigtail or Direct Connector
- In-house Design / Manufacturing: Gear Train & Motor & LVDT
- Environmentally Resistance: Perfect Sealing applicable to Aircraft Wing
Products




Applications
03.Rotary Actuator
Tamagawa has also experiences developing and manufacturing Rotary Actuators taking advantage of in-house design and manufacturing technology of gears.
Features
- Geared design: Planetary Gear & Gear Box
- Mainly used for Spoiler and Flap actuation
- Compact & Space-saving
Products


Block Diagram
Specification
| Input Voltage | 28 V (18 to 32 V) |
|---|---|
| Current | 3.5 A |
| Stroke | 43.4 deg |
| Rated Load (Operating Load) | 183 Nm |
| Limit Load | 524 Nm |
| Slip Clutch Performance | 183 to 524 Nm |
| Brake Capability | 1,237 Nm |
| Operating Speed | 75 deg / sec |
| Position Detection | Resolver |
| Mass | 4,800 g |
Tamagawa has detailed knowledge on Environmental Testing for Actuators based on RTCA DO-160G. Additionally, there is a prefectural plant having some of these Test Equipment near Tamagawa facility and we have easy access to the Test Chambers.
| Section | Item | Tamagawa Actuators | Key Design Factor |
|---|---|---|---|
| 4.5 | Temperature | Comply |
|
| 4.6 | Altitude | Comply | |
| 5 | Temperature Variation | Comply | |
| 6 | Humidity | Comply |
|
| 7 | Operational Shock and Crash Safety | Comply |
|
| 8 | Vibration | Comply | |
| 9 | Explosion Proofness | Comply | |
| 10 | Water Proofness | Comply |
|
| 11 | Fluid Susceptibility | Comply | |
| 12 | Sand and Dust | Comply | |
| 13 | Fungus Resistance | Comply | |
| 14 | Salt Spray | Comply |
|
| 15 | Magnetic Effect | Comply | |
| 16 | Power Input | Comply |
|
| 17 | Voltage Spike | Comply |
|
| 18 | Audio Frequency Conducted Susceptibility | Comply |
|
| 19 | Induced Signal Susceptibility | Comply | |
| 20 | Radio Frequency Susceptibility | Comply |
|
| 21 | Emission of Radio Frequency Energy | Comply | |
| 22 | Lightning Induced Transient Susceptibility |
Comply |
|
| 23 | Lightning Direct Effect | Comply |
|
| 24 | Icing | Comply | |
| 25 | Electrostatic Discharge | Comply | |
| 26 | Fire Flammability | Comply |
|

Explosion Proof Test Chamber

Temperature / Altitude / Humidity Icing Test Chamber
OUR TECHNOLOGIES
CAN HELP YOUR DEVELOPMENT

RVDT
Tamagawa RVDT provides linearly proportional voltages to the angular displacement with high reliability for vibration under extreme low/high temperature. Size 08, 10 and 11 are available in Tamagawa's RVDT series.

VR Resolver
TAMAGAWA VR Resolver is a high reliable absolute angular sensor, it needs winding on a stator only and offer VRX. Customization of fitting and electrical specification is available based on standard models.



