Autonics A15K-S545W-G7.2 5-Phase Built-in Gear  Stepper Motor

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The Autonics A15K-S545W-G7.2 is a compact 5-phase stepper motor equipped with a built-in 1:7.2 reduction gear and a Dual Shaft (W) configuration. Designed with a small 42mm frame size, it delivers a reliable torque of 15 kgf-cm (1.5 N-m). It operates at a rated current of 0.75 A/Phase ("S" Type). The dual shaft design enables the connection of auxiliary devices such as dampers or encoders to the rear shaft, maximizing versatility in space-constrained applications.

Key Features:

Dual Shaft Design (W): Features shafts extending from both the front and rear, allowing for the installation of accessories like vibration dampers, encoders for position feedback, or manual handwheels.

High Torque (1:7.2 Ratio): Integrated with a 1:7.2 reduction gear to amplify torque output to 15 kgf-cm (1.5 N-m).

Compact 42mm Frame: The small 42mm square flange size allows for installation in tight spaces where larger motors cannot fit.

Precision Control: Features a high-accuracy gear mechanism with minimized backlash of +/- 35 arcmin (0.58 degrees).

Smooth Motion: Supports a basic step angle of 0.1 degrees (Full step) and 0.05 degrees (Half step) via the 1:7.2 reduction ratio.

Technical Specifications:

Model: A15K-S545W-G7.2 

Frame Size: 42 mm

Shaft Type: Dual Shaft (W)

Gear Ratio: 1:7.2

Max. Allowable Torque: 15 kgf-cm (1.5 N-m)

Rated Current: 0.75 A/Phase

Allowable Speed Range: 0 to 250 rpm

Backlash: +/- 35 arcmin (0.58 degrees) 

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