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Siemens 1FK7042-2AK71-1PA0

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Marvo Stock ID MV-GCAS

HS Code 8501

SKU 1FK7042-2AK71-1PA0

Warranty 12 months

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Specification & Description

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Commonly Asked Questions

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Specification & Description

Specification	Description
Part Number	1FK7042-2AK71-1PA0
Manufacturer	Siemens
Motor Type	Permanent-magnet synchronous motor
Rated Power	0.94 kW
Rated Speed	6000 rpm
Rated Torque	3 Nm
Maximum Speed (Mechanical)	9000 rpm
Maximum Speed (Inverter)	9000 rpm
Rated Current	4.40 A
Stall Current (60 K)	2.5 A
Stall Current (100 K)	3.55 A
Static Torque (60 K)	1.5 Nm
Static Torque (100 K)	2.50 Nm
Rated Torque (100 K)	3.0 Nm
Moment of Inertia	2.900 kgcm²
Efficiency	89.0 %
Number of Poles	4
Cooling	Natural cooling
Degree of Protection	IP64
Design	IM B5 (IM V1, IM V3)
Shaft Height	48 mm
Radial Runout Tolerance	0.040 mm
Vibration Severity Grade	Grade A
Concentricity Tolerance	0.08 mm
Axial Runout Tolerance	0.08 mm
Temperature Monitoring	Pt1000 temperature sensor
Housing Colour	Standard (Anthracite RAL 7016)
Electrical Connectors	Connectors for signals and power, rotatable
Shaft Extension	Feather key, without holding brake
Encoder System	Resolver R14DQ: resolver 14 bits (resolution 16384, internal 2-pole)
Winding Resistance at 20º C	1.15 Ω
Voltage Constant at 20º C	44.5 V/1000*min¯¹
Mechanical Time Constant	7.50 ms
Thermal Time Constant	30 min
Net Weight of the Motor	4.6 kg
Rotating Field Inductance	8.6 mH
Torque Constant	0.68 Nm/A
Shaft Torsional Stiffness	15500 Nm/rad

The Siemens 1FK7042-2AK71-1PA0 is a high-performance servo motor renowned for its precision and reliability in a variety of industrial applications. With a power output of 0.94 kW and an impressive maximum speed of 6000 rpm, this motor is designed to deliver consistent torque of 3 Nm, ensuring optimal performance for demanding motion control tasks.

Crafted with a focus on efficiency, the motor boasts an efficiency rating of 89.0%, making it a cost-effective solution for automation needs. The compact design, featuring natural cooling and a sleek anthracite RAL 7016 housing, allows for easy integration into existing systems without compromising on space.

Equipped with a resolver for accurate position sensing, the 1FK7042-2AK71-1PA0 ensures precise control and feedback, essential for applications where exact motion is critical. The motor's mechanical robustness is highlighted by its IP64 degree of protection and adherence to IM B5 mounting standards, which contribute to its durability and longevity in harsh industrial environments.

This Siemens servo motor is a versatile component suitable for a wide range of applications, from packaging and material handling to CNC machining and robotics. Its technical specifications, including a low moment of inertia and high radial runout tolerance, make it an ideal choice for systems requiring rapid acceleration and deceleration with minimal vibration.

Overall, the Siemens 1FK7042-2AK71-1PA0 servo motor stands out as a reliable and efficient solution for sophisticated automation tasks, offering a blend of performance, precision, and durability.

Commonly Asked Questions

Is my order covered by a warranty?

Marvo provides a full 12-month warranty on all products, whatever the condition. For your peace of mind, all parts are ‘Marvo Approved’ which means that they have been tested and checked to ensure that they are in working condition. If you are unhappy with the part(s) you received and would like to request a return, you can do so by completing our quick and easy online form. Once we have received your Returns Request, a member of the team will be in touch to discuss this further with you. You can read more about our warranty policy here.

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We accept card payments from all major credit, debit and Mastercard providers including Visa, American Express, Western Union, Paypal and bank transfers. Before you complete an order you will be prompted to input your payment details, at which point you can enter the relevant card information you wish to use for your transaction. If you are experiencing issues with your payment method then you can contact our team via email here. From there, you will be directed to the most relevant resource or person to help you complete your payment, get your order processed and ensure that your parts are on the way to your delivery address.

Is Marvo a credible parts supplier?

Marvo is a highly credible supplier of industrial automation parts and components with dedicated hubs around the world offering industry-leading products and services. Marvo is committed to providing a quick, easy and reliable place to source your automation and control components. All purchases come as standard with a comprehensive 12-month return to base warranty meaning that, in just a few clicks, you can source critical parts more seamlessly than ever before. Click here to read an article on how Marvo is redefining convenience for automation and manufacturing professionals.

Have steps been taken to ensure quality control?

Marvo takes pride in product quality and has put several measures in place to assure high levels of quality standards. For your peace of mind, all parts have been ‘Marvo Approved’ which means that they have been tested and checked to ensure that they are in working condition. Redefine convenience and secure priority delivery on all parts along with a comprehensive 12-month warranty. This is the smart new way to buy automation and control components.

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Learn more about Marvo

Our service to you

Lightning-Fast Express Shipping: Receive your order in record time with our express shipping options, ensuring you minimize downtime and keep your projects on track.

No-Risk Returns, Guaranteed: Return your parts anytime for a full refund. Our hassle-free return policy ensures you’re never stuck with something you don’t need.

Clear Pricing with No Hidden Fees: What you see is what you pay, transparent pricing with no extra costs, ever. Rest assured, all taxes and fees are already included in your final price.

Rock-Solid Reliability at a Fraction of the Cost: Get pre-owned electronic parts that are fully tested for peak performance, saving you money without compromising on quality, backed by a comprehensive warranty.

Frequently Asked Questions

What are the key features of this servo motor?

This Siemens servo motor is known for its high efficiency of 89%, a rated speed of 6000 rpm, and a rated torque of 3 Nm. It operates optimally at 0.94 kW and has a maximum permissible speed of 9000 rpm. The motor is cooled naturally and comes with a resolver for position feedback.

Can this motor be used in compact spaces?

Yes, the motor is designed with a compact form factor, making it suitable for applications where space is limited. Its mechanical data indicates a shaft height of 48, which contributes to its compactness.

What type of cooling does the motor utilise?

The motor uses natural cooling, which means it relies on the natural convection of air to dissipate heat. This is a common and efficient method for maintaining the motor's temperature within operational limits without the need for additional cooling systems.

What is the degree of protection for this motor?

The motor has a degree of protection rated at IP64, which means it is protected against dust ingress and splashing water, making it suitable for various industrial environments.

What kind of feedback system does the motor have?

The motor is equipped with a resolver, specifically a Resolver R14DQ, which provides 14-bit resolution for accurate position feedback. This is essential for precise control in servo applications.

Is there a holding brake option for this motor?

This particular model comes without a holding brake. However, the design allows for the integration of a holding brake if your application requires one.

What is the motor's efficiency and how does it impact performance?

With an efficiency of 89%, this motor operates with less power loss compared to less efficient motors. This high efficiency leads to better performance, reduced energy consumption, and potentially lower operational costs.

What are the electrical characteristics of the motor?

The motor has a winding resistance of 1.15 Ω at 20º C, a voltage constant of 44.5 V/1000*min¯¹, and an electrical time constant of 2.15 ms. These characteristics are important for understanding the motor's performance in electrical terms and for integration with compatible drive systems.

How does the motor's moment of inertia affect its operation?

The motor has a moment of inertia of 2.900 kgcm², which influences the motor's acceleration and deceleration capabilities. A lower moment of inertia allows for quicker changes in speed, which is beneficial for dynamic applications.

What applications is this motor typically used for?

This Siemens servo motor is suitable for a wide range of applications, including automation systems, CNC machinery, packaging machines, and other precision motion control tasks where high speed, torque, and accurate positioning are required.

Part conditions explained

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New unsealed: The product is in its original packaging, but the packaging has been opened or unsealed. It has never been used and should be in near pristine condition.

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New unboxed: The product does not come in its original packaging, but it has never been used and is in great working condition.

Refurbished: The product has been previously used, but it has undergone a thorough refurbishment process to restore it to a like-new or functional condition. Any defects or issues have been addressed, making it suitable for reuse.

Used: The product has been previously owned and has been used. It may show signs of wear and tear but is still functional and operational. The condition may vary depending on the specific item and its usage history.

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