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Fri Aug 17 2018
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Siemens Servomotors – Synchronous 1FT, 1FK, 1FS

By CNC Design Pty Ltd

High dynamic performance over the complete speed range -

Whether for position control in pick and place applications, for cyclic drives in packaging machines or for continuous path operation in handling equipment and machine tools: Our permanent-magnet synchronous motors are always the first choice wherever high-speed and precise motion sequences are demanded.

 

Their high level of dynamic performance, compact design and efficiency guarantees maximum energy-efficiency. With a wide range of integrated encoders, from resolvers up to high-resolution absolute encoders, the matching motor can be precisely selected for each and every application. An optional holding brake ensures reliable standstill without requiring any power input.

 

In the version equipped with DRIVE-CLiQ interface and electronic type plate, drive configurations with servomotors and the SINAMICS S120 drive system are commissioned extremely quickly.

 

Well proven for motion control applications: 1FK7

Non-ventilated servomotors with degree of protection IP64/65 are completely adequate for many motion control applications. Siemens designed the series of 1FK7 motors specifically for this purpose. We offer these motors in two different versions as demands regarding dynamic performance, precision and the space available can vary significantly:

·         1FK7 CT (Compact): Compact design and high power density

·         1FK7 HD (High Dynamic); Low moment of inertia – for a high accelerating performance.

 

When space is limited, only the most compact motor has a chance. The “lean” 1FK7 CT servomotors with their flexible and modular design are some of the most compact of their class thanks to their small dimensions. 1FK7 CT motors offer a high power density in the smallest space. Their short length means that they are predestined for applications where space is restricted. For instance, our smallest version, with shaft height 28, produces 0.85 Nm of torque and comes with an edge to edge length of only 55 mm. Their compact design as well as attractive price performance ratio makes them the standard motor in the range of rated torques from 0.08 to 37 Nm. The CT version is available in 6 shaft heights and 18 versions. For the shaft height 20 to 48 also 230V version of the normal 400-480V motors are available. This results in motion control axes with a high dynamic performance – thanks to their extremely high overload capability.

 

Dynamic response in your process means increased production. In this case, motor acceleration is the name of the game. The new 1FK7 HD servomotors provide the necessary performance for these requirements – supplying impressive response. The small rotor diameter means that the 1FK7 HD high dynamic performance motors have an extremely low moment of inertia. This ensures the highest accelerating performance with high stall torques. Even the optional holding brake has been designed with a low moment of inertia. Extreme load duty cycles, fast positioning and equally fast stopping can be realized in the shortest time thanks to these characteristics. As a consequence, they are especially suitable for use in applications demanding extremely short cycle times – for instance, in packaging machines. The HD version is available in rated torques from 0.9 to 8 Nm with 4 shaft heights and 11 different versions. This makes your machine of today fit for the tasks of tomorrow.

 

1FT7 – for use in any environmental conditions

Motion Control applications Motors of the 1FT6/1FT7 series are permanent-magnet synchronous motors for high-performance Motion Control applications. They are characterized by their high dynamic performance, accuracy, and low torque ripple, their robust design, as well as easy mounting and service-friendliness. They distinguish themselves as a result of the extended torque range from 0.4 to 700 Nm and the highest degree of overload capability. They even master difficult and tough ambient conditions with the optional IP67 degree of protection. In addition to the standard non-ventilated version, we also offer variants with forced ventilation or water cooling – for a power density that has been increased even further. Efficient thermal dissipation is guaranteed – even under extreme load conditions. They are therefore the optimum solution for:

·         high-dynamic Motion Control and positioning applications in production machines

·         feed drives in Machine Tools applications.

 

The motors are available with rated speeds from 1500 up to 6000 rpm, with integrated absolute and incremental encoders, as well as with degrees of protection from IP64 up to IP67.

 

The 1FT7 series is the optimized successor of the well-proven 1FT6 series. The 1FT7 is now even more compact, extremely rugged and thanks to the cross profile it is easy to mount. Thanks to the rotatable connectors the 1FT7 can be easily installed in different position.

 

1FT7 motors are compatible to the proven 1FT6 motors with regards to flange, connectors and characteristic curves. Due to the shorter design they can be utilized not only for new applications, but also as spares for replacements of 1FT6 motors.

 

Servomotors for special applications

We also for decades offered explosion-proof motors across all performance classes, thus ensuring reliable operation and maximum safety for personnel, machinery, and the environment, even in potentially explosive atmospheres. Our product portfolio of Siemens and Loher form a gap-free range – from 60 W to 100 MW, in a standard version or as a tailor-made customized solution, and with all applicable types of protection for gas and dust. For motion control applications in explosion protection zones, such as are found in the printing industry and in paint shops. This gives you the optimum motors for use in hazardous zones: 1FS6 for use in hazardous Zone 1 and using supplementary option 1FK7 motors for use in hazardous Zone 2 or Zone 22 (according to IEC).

 

Our motto is tailored performance. This means that you always obtain the best, most favourably-priced solution for your requirements – and you only pay for what you actually require. The flexible selection over the complete range of outputs and options allows the motor to be universally used. You can select a speed range from 1500 up to 6000 RPM and torques from 0.85 to 700 Nm.