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.

May 31, 2022

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

RTCA DO-160G Requirements vs Actuator Designs

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
  • Select devices accommodate high temperature range
  • Consideration to Exhaust heat
  • Select Grease with great low temperature characteristics
  • Consideration to Thermal expansion
4.6 Altitude Comply
5 Temperature Variation Comply
6 Humidity Comply
  • Sealing
7 Operational Shock and Crash Safety Comply
  • Bearing Fixation
  • Corner Radius
8 Vibration Comply
9 Explosion Proofness Comply  
10 Water Proofness Comply
  • Sealing
11 Fluid Susceptibility Comply
12 Sand and Dust Comply
13 Fungus Resistance Comply  
14 Salt Spray Comply
  • Sealing
15 Magnetic Effect Comply  
16 Power Input Comply
  • Select devices considering maximum voltage
17 Voltage Spike Comply
  • Insertion of Transient Voltage Suppressor
18 Audio Frequency Conducted Susceptibility Comply
  • Circuit operation
19 Induced Signal Susceptibility Comply  
20 Radio Frequency Susceptibility Comply
  • Insertion of EMC filter
  • Use lead-through capacitor
  • Electromagnetic shielding of housing
  • Shielding of wire harness
21 Emission of Radio Frequency Energy Comply
22 Lightning Induced Transient
Susceptibility
Comply
  • Insertion of Transient Voltage Suppressor
  • Shielding of wire harness
  • Lower resistance of bonding
23 Lightning Direct Effect Comply
  • Lower resistance of bonding
24 Icing Comply  
25 Electrostatic Discharge Comply  
26 Fire Flammability Comply
  • Select Fire-resisting Materials

Explosion Proof Test Chamber

Temperature / Altitude / Humidity Icing Test Chamber

Don’t miss it!!Introduction in next Newsletter

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.

Learn More

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.

Learn More

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