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BXH Model datasheet

BXH Model datasheet

BXH Model datasheet

Product catalog summary
Specifications:
The BXH series of spring-actuated brakes are detailed with various models, each having specific static friction torque, coil specifications, and other technical parameters. The models range from BXH-06-10 to BXH-16-10, with static friction torque values from 4 N·m to 44 N·m. The brakes operate at different voltages (DC24, DC45, DC90) and have varying wattage, current, and resistance values. The maximum rotation speed is 5000 min-1 for smaller models and decreases with larger models. The armature pull-in and release times are specified for DC switching.

Dimensions:
The document provides detailed dimensional data for each model size, including measurements such as A, B, C, D, and others, which are crucial for installation and compatibility with different systems.

Options:
Customizable options include a manual release lever (Option No.: 12) and a quiet mechanism with a silencing spring (Option No.: S1) to reduce rattling in applications prone to microvibrations. The document lists option numbers for configurations with or without these features.

Ordering Information:
To place an order, specify the bore diameter, voltage, size, and option number. The standard option number is 10, but further customizations are available upon request.

Additional Notes:
The datasheet includes a note on the structural backlash between the rotor and rotor hub, which can cause noise in certain applications. The silencing spring is recommended to mitigate this issue.
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Catalog excerpts

BXH Model datasheet-1

SPRING-ACTUATED BRAKES BXH Safety brakes – Datasheet ■ Specifications Static friction torque TS [N·m] Coil [at 20 ℃] Lead wire Heat Voltage Wattage Current Resistance resistance UL style Size class [V] [W] [A] [Ω] DC24 Armature Armature Mass pull-in time release time [kg] ta [s] tar [s] Total braking energy ET [J] Max. Rotating part Allowable rotation moment of braking speed inertia energy rate [min-1] J [kg·m2] Ebaℓ [J] • The armature pull-in time and armature release time are taken during DC switching. Lead wire length: 400 mm Bore diameter (dimensional symbol d) Option number 10: Standard Voltage (Specifications table) • Further bore diameters and voltages possible on request.

 Open the catalog to page 1
BXH Model datasheet-2

SPRING-ACTUATED BRAKES ■ Options Made to Order ■ Release Lever Option No.: 12 We also offer an option with a manual release lever. See the dimensions table below for the dimensions of brakes with release levers. Please contact Miki Pulley for other specification values. Release lever position U Lead wire length: 400 ■ Quiet Mechanism (Silencing Spring) Option No.: S1 There is a extremely small structural backlash (see figure on the right) between the rotor and the rotor hub. In applications that are prone to microvibrations of the drive shaft such as single-phase motors, this backlash may produce...

 Open the catalog to page 2

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.