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  6. Non-excited operation type permanent magnet brake

Non-excited operation type permanent magnet brake

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last updated:Jul 09, 2025

マツイ 東京本社
マツイ 東京本社
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A permanent magnet electromagnetic brake that achieves high-speed response through backlash-free design.

The 【CPB/PB1/PB2 series】 generates braking force through the magnetic force of permanent magnets, unlike spring-type brakes. The armature uses a leaf spring drive system, resulting in no backlash in the rotational direction and no drag torque. 【Features】 1. High-speed response: The magnetic force of the permanent magnets attracts the armature to the magnet side, providing quick responsiveness. 2. No backlash: The armature's leaf spring drive system ensures there is no backlash when transmitting torque. 3. Quiet operation: The armature is directly connected to the leaf spring, resulting in no noise during rotation and no drag torque. 4. Compact: By using high-quality permanent magnets, it achieves higher torque even with the same size. Torque range: 0.4 Nm to 140 Nm Smallest outer dimensions: 19.5 × 39 The PB1/PB2 series comes with a hub. *For more details, please refer to the materials available by downloading the catalog.

    clutchbrakemagnet
IPROS168262813992095463サーボモーター.jpg

Non-excited operation type permanent magnet brake

IPROS168262813992095463サーボモーター.jpg
IPROS168262813992095463サーボモーター.jpg
  • Related Link - https://chaintail-japan.com/
  • Special site - Product/service details - https://pr.mono.ipros.com/matsui-corp/product/

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basic information

- The armature is attracted to the magnet side by the magnetic force of the permanent magnet, and the response is quick. - The leaf spring drive system transmits torque without backlash. - The armature is directly connected to the leaf spring, resulting in no noise during rotation and no drag torque. - By using high-quality permanent magnets, it achieves higher torque even with the same size and has a longer lifespan.

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Applications/Examples of results

Servo motors, stepping motors, index tables, etc.

Line up(9)

Model number overview
CPBS04AA Rated torque 0.4N·m
CPB0S1AA Rated torque 1.0N·m
CPB0S2AA Rated torque 2.0N·m
CPB0S4AA Rated torque 4.5N·m
CPB0S9AA Rated torque 9.0N·m
CPB1S8AA Rated torque 18N·m
CPB3S5AA Rated torque 35N·m
CPB007AA Rated torque 72N·m
CPB014AA Rated torque 140N·m

catalog(1)

Download All Catalogs
Permanent magnet type non-excitation operating brake - Sentai Corporation

Permanent magnet type non-excitation operating brake - Sentai Corporation

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マツイ

マツイ 東京本社

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Thanks to your support, Matsui Corporation has a history that exceeds 75 years since its establishment. We cherish the trust and achievements we have cultivated during this time and have continuously responded to new market needs under the fundamental spirit of "We are professionals." The corporate symbol, renewed on the occasion of our 50th anniversary, consists of four squares that symbolize stability and cooperation. Three squares represent the core business areas of Matsui: "General Industry," "Marine Industry," and "International Trade," while the diamond shape represents the wisdom and shared consciousness of the employees who support these areas. As indicated by the corporate symbol, Matsui will continue to gather the wisdom and vitality of its employees and challenge itself as a proposal-oriented company in these three major business fields. *Our website has been renewed. Please take a look.* https://www.matsui-corp.co.jp/ *You can view an interview with our former president, a key figure.* https://www.ipros.jp/advertising/detail/29820?secure=true

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