MDS/MDH-20series

MDS/MDH-20シリーズ
The world's smallest servo motor of all hollow-shaft type.

It is ideal for end effectors (hand, gripper, Zθ unit) and also small robot hands with a combination of low reduction ratio gears.

  • Body diameter：φ21mm
  • Body length：31.5/37.5/43.5mm
  • Max torque：40/80/120mN･m
  • Max zpeed：3,000rpm
  • Max resolution：288,000P/R、18bit
  • Hollow diameter：φ2.6mm(MDH type)
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Outer dimentions

MDS-20

MDS-20

MDH-20

MDH-20

Specification

Model L1 dimension
MD□-2006 31.5
MD□-2012 37.5
MD□-2018 43.5

※MDH (hollow flange shaft type) absolute encoder does not have through hole.

Examples of speed and torque characteristics

特性図
  Unit MDS-2006 MDH-2006 MDS-2012 MDH-2012 MDS-2018 MDH-2018
Input power(Driver input) DCV 24
Maximum speed(※1) rpm 3000
Rated speed rpm 1500
Peak torque at stall Nm 0.04 0.09 0.12
Continuous torque at stall Nm 0.017 0.030 0.040
Continuous rated torque Nm 0.014 0.026 0.030
Peak power W 5.0 10 17
Peak power rate kW/s 19 15 62 43 99 65
Peak armature current Arms 2.6 4.3 5.6
Rated armature current(※2) Arms 1.1 1.2 1.4
Voltage constant V/krpm 1.6 2.5 2.4
Torque constant(at25℃) Nm/Arms 0.015 0.024 0.023
Line armature resistance(at25℃) Ω 3.5 2.2 1.9
Line armature inductance mH 1.1 0.79 0.82
Rotor poles P 10
Max encoder resolution(※3) P/R Incremental：288,000(After 4 multipliers)
Absolute：262,144（18bit）
Moment of inertia J g･cm^2 0.78 1.5 1.2 2.0 1.7 2.4
Permissible radial loadFr N 44
Permissible axial load Fa N 22
Allowable moment Nm 1.27 1.22 1.51 1.48 1.76 1.71
Repeated positioning accracy at shuttling  Pulse ±1
Mass kg 0.088 0.10 0.12
Applicable motor driver 　 MC-200-7220▢　/　MC-200C-6018▢
Standard heat sink 　 100×100×5 Alminum

【Note】
(※1) Please ask us if there is a speed you prefer.
(※2) Rated armature current is the value measured with the standard heat sink attached to the motor at an ambient temperature of 40°C
(※3)  Please ask us if there is a particular resolution you prefer

Cable options

Model Connection
CN1 cable(4.2)1M-TE Between power and driver(1m)
CN2 bent cable(4.2)0.7M Motor cable：Extension between motor and driver (Total1m)
CN2 bent cable(4.2)2.7M Motor cable：Extension between Motor and Driver(Total3m)
CN2 bent cable(4.2)4.7M Motor cable：Extension between motor and driver(Total5m)
CN3 bent cable(4.2)0.7M Encoder cable : Extension between motor and driver(Total1m)
CN3 bent ceble(4.2)2.7M Encoder cable : Extension between motor and driver(Total3m)
CN3 bent cable(4.2)4.7M Encoder cable : Extension between motor and driver(計5m)
CN5cable USB2,0 cable with ferrite core : Between PC and driver(1m)

※Please prepare the CN4 connector cable of the MC-200 by the user.
※MC-200C CN1/CN4 connector cable and CN2/CN3 conversion connector cable are included.

Example of the use

MC-200-7220A

MC-200-7220A

MC-200-7220D

MC-200-7220D

MC-200C-6018D

MC-200C-6018D

After-sales service

How to request repair

About the Warranty coverage

In the event of a failure due to our responsibility, we can repair and replace the product for free within the warranty period.
However, The warranty is by the product,so expenses with parts replacement and compensation for damages(etc) is out of the application of our warranty.


About the case where the warranty does not apply

As a result of inspection, if it is found that the product is not a malfunction but handling or an external influence, you will be charged even during the warranty period.

The warranty period

Within 1 year after the start of use (however, within 1.5 years after delivery).

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