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Siemens 1FK6042-6AF71-1TH0 Servo Motor - 3.2 Nm, Resolver, Holding Brake, Smooth Shaft

Siemens 1FK6042-6AF71-1TH0 servo motor with resolver, holding brake, and smooth shaft.

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ManufacturerSiemens

Part number1FK6042-6AF71-1TH0

Motor Type Synchronous Servo

Series 1FK6

Poles 6

Torque 3.2 Nm

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3.2 Nm Torque Resolver Feedback Holding Brake Smooth Shaft IP64 Protection 3000 RPM Speed

Product description

The Siemens 1FK6042-6AF71-1TH0 is a high-performance synchronous servo motor designed for applications requiring precise control and a holding function. This 6-pole motor delivers 3.2 Nm of torque at 3000 RPM with natural cooling. It is built with an IP64 degree of protection, a rotatable power/signal connector, and a 2-pole resolver (P=1) for position feedback. The motor features a smooth shaft with Tolerance N and includes a holding brake.

This servo motor is ideal for demanding automation applications that require both accurate positioning via resolver feedback and secure holding capabilities when unpowered. Its smooth shaft design allows for flexible coupling options in robotic, packaging, and machine tool applications.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens 1FK6042-6AF71-1TH0. We provide reliable industrial automation components to ensure your systems operate without interruption. Choose Stanlo Automation for quality parts and exceptional service.

Technical specifications

Motor Type	Synchronous Servo
Series	1FK6
Poles	6
Torque	3.2 Nm
Speed	3000 r/min
Cooling	Natural
Mounting	IM B5 (V1, V3)
Connector	Power/Signal, rotatable 270°
Encoder	Resolver, 2-pole (P=1)
Shaft	Smooth, Tolerance N
Brake	Holding Brake
IP Rating	IP64

Common applications

Robotics

Packaging Machinery

Machine Tools

Automation Systems

Precision Motion Control

Compatible systems

Compatible with Siemens drives and controllers that support resolver feedback and applications requiring a holding brake and a smooth shaft.

Also known as

Siemens 1FK6 Servo 1FK6 Resolver Motor Smooth Shaft Servo with Brake

Replaces / compatible with

This motor is part of the Siemens 1FK6 series, offering resolver feedback, a smooth shaft, and a holding brake for secure positioning.

Technical note

Expert tip

When using a smooth shaft, ensure the coupling mechanism can reliably transmit torque and maintain alignment with the load, especially with the holding brake engaged.

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Frequently asked questions

What is the significance of the smooth shaft and holding brake combination on this motor?

The combination of a smooth shaft and holding brake on the 1FK6042-6AF71-1TH0 allows for flexible coupling while ensuring the load is safely held in place when the motor is de-energized.