
'Nidec speed reducers' refer to mechanical devices designed and manufactured by Nidec Corporation (or its subsidiaries such as Nidec-Shimpo) that reduce the rotational speed of a motor while increasing torque. These devices are crucial in industrial machinery, automation, robotics, and other motion control systems.
Here’s a detailed breakdown of Nidec speed reducers:
🛠️ What is a Speed Reducer?
A speed reducer (or gear reducer) is a mechanical transmission device that reduces the input speed from a motor to a lower output speed, while increasing torque. It typically consists of gears, shafts, and bearings enclosed in a housing.
🔧 Types of Nidec Speed Reducers
Planetary Gear Reducers
Compact and efficient with high torque-to-size ratios.
Common in automation, robotics, and servo systems.
Example: Nidec-Shimpo VR, EV, or VRT Series.
Worm Gear Reducers
Provide high reduction ratios in a compact size.
Self-locking in some designs.
Common in conveyor systems and lifts.
Cycloidal Speed Reducers
Use a unique mechanism for shock load resistance and high torque.
High precision and low backlash.
Available under Nidec-Shimpo’s Sumitomo Cyclo Drive line (if including Sumitomo Drive Technologies, a Nidec group company).
Helical Gear Reducers
Efficient, smooth, and quiet operation.
Often used in general industrial applications.
⚙️ Key Features
High efficiency (especially in planetary and helical types).
Low backlash (important in precision applications like robotics).
Compact designs for space-saving installations.
High torque output, enabling smaller motors to do more work.
Durability with robust gear construction and sealed housings.
📦 Applications
CNC machines
Industrial robots
Packaging equipment
Automated guided vehicles (AGVs)
Printing presses
Food processing machines
📊 Example Specs (from Nidec-Shimpo VR Series)
Spec Value
Frame Size 50 – 155 mm
Reduction Ratios 3:1 to 100:1
Backlash < 5 arcmin (low-backlash models)
Torque Capacity Up to 2, 000 Nm
Input Speed Up to 6, 000 RPM
Keywords
6 000 rpm
work durability
precision applications
quiet operation
low backlash
unique mechanism
conveyor systems
servo systems
housing types
bearings enclosed
gears shafts
typically consists
detailed breakdown
increasing torque
input speed
speed reducer
rotational speed
designs common
automation robotics
gear reducer
nidec corporation
nidec speed reducers
robotics compact designs
nidecshimpo vr ev
mechanical devices designed
lower output speed
robust gear construction
sumitomo drive technologies
shock load resistance
compact size selflocking
mechanical transmission device