Achieves control equivalent to AC servos in a battery environment. DC 24V/48V servo motors are optimal for drive design of AGVs and mobile robots.
The development of AGVs (Automated Guided Vehicles) and autonomous robots, which are rapidly increasing due to the automation of factories and warehouses. These devices are based on "battery-powered (DC power)" without outlets, but require "high-precision positioning and high torque, like AC servo motors," for movement and arm control. However, operating a typical AC servo motor with a battery requires a large inverter (boost circuit), which poses significant challenges such as increased weight of the unit, space constraints, and worsened battery consumption. Our "CMS Series (Low Voltage, High Output Coreless Servo Motors)" addresses this issue. It can be driven directly with low voltage battery power of DC 24V/48V, achieving precise feedback control equivalent to AC servos through high-resolution encoders. Since a boost circuit is unnecessary, this revolutionary drive unit simultaneously enables weight reduction and space-saving of the robot body, as well as extending continuous operating time.
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basic information
■ Key Points of Battery Operation and Servo Control - Inverter-less Design: By eliminating the inverters and boost circuits required for AC servo drive and efficiently utilizing the DC power source as is, battery consumption is minimized. - High-Resolution Encoder Equipped: Despite being DC-driven, it supports precise servo control that enables strict stop position control to the millimeter and smooth low-speed and high-speed operation. ■ Features of the CMS Series - High Performance Equivalent to AC Servos: Maintains output even in low-voltage environments, providing powerful torque to smoothly move heavy bodies and arm joints. - Lightweight and Compact Design: By reducing unnecessary control equipment (such as boost devices), ample battery installation space can be secured. - Domestic inspection of all units is conducted from prototypes and small lots before delivery.
Price information
We have adopted a cored design using powerful neodymium magnets and established a production system for standard stock items, which allows us to offer excellent pricing and delivery times. Prices may vary depending on annual usage quantities, the number of lots, and the presence of drivers and gearheads, so if you are looking to reduce costs, please feel free to request a quote. Our sales department will do its utmost to accommodate your budget and preferences.
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Applications/Examples of results
【Examples of Applications in Battery-Driven and Low-Voltage Environments】 - Running axes of AGVs/AMRs (autonomous mobile robots) considering replacement from AC servo to DC drive - Joint drive of a self-propelled robotic arm (mobile manipulator) operating without a power outlet - Mobility performing precision control in outdoor DC battery environments, such as agricultural robots and construction machinery - Compact and thin unmanned transport carts with no space for inverter installation 【CMS Series / Related Motor Lineup】 - Low-voltage, high-output coreless servo motors (CMS series): battery-driven, encoder-equipped models - For cases where high torque is desired simply without an encoder: low-voltage, high-output coreless motors (CMH series) - For cases where the body needs to be minimized to the lowest height: hub servo motors/in-wheel motors (HSM series)
Line up（7）
| Model number | overview |
|---|---|
| CMS40 | （□40 / 25W～50W / 0.12～0.16Nm） |
| CMS60 | （□60 / 100W～300W / 0.5～1.47Nm） |
| CMS80 | （□80 / 375W～750W / 1.84～3.70Nm） |
| CMS110 | （□110 / 550W～1175W / 2.50～5.76Nm） |
| CMS130 | （□130 / 525W～2400W / 2.5～14.6Nm） |
| CMS180 | （□180 / 2400W～5200W / 11.5～24.6Nm） |
| The entire series | *All models are available with options for a non-excited electromagnetic brake and a planetary gear head.* |
catalog（3）
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Company information
CLUW Inc. specializes in low-voltage battery-driven motors and control drivers, offering a comprehensive lineup from compact to high-power models. Our product range includes Brushless DC Motors, Battery-Driven AC Servo Motors, Geared Motors, In-Wheel Motors, and Cooling Fans. Beyond product supply, we deliver dedicated technical support—from driver selection and setup guidance to troubleshooting—ensuring seamless operational integration for our customers.
