SINUMERIK 840D sl Siemens

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SINUMERIK 840D sl – ultimate performance in the premium class

SINUMERIK 840D sl is an open CNC control for modular premium machine concepts. With powerful, innovative system functions, the SINUMERIK 840D sl opens up a boundless range of technologies. SINUMERIK 840D sl is leading the way in exploiting global machining trends, which makes it the preferred CNC in the industries of the future.

Maximum performance capability

The SINUMERIK 840D sl offers an almost inexhaustible performance potential, thanks to its drivebased, high-performance NCUs (Numerical Control Units) which contain state-of-the-art multicore processor technology. Up to 93 axes can be controlled in 30 machining channels in the NCU-Link. Machine concepts that require fewer axes benefit from the performance capability of the SINUMERIK 840D sl with its combination of the highest standard of machining precision and shortest machining times.

Demanding turning and milling applications are part of the wide range of technologies

Milling and turning at the limit are strengths of the SINUMERIK 840D sl. The milling range extends from highly productive machining centers for manufacturing powertrains in the automotive industry to highly dynamic 5-axis machining centers for mold making or in the aviation industry. The turning range runs from multi-channel, 5-axis turning centers with a B‑axis up to highly productive multispindle applications.

In addition to turning and milling applications, the SINUMERIK 840D sl opens up an almost boundless range of other technologies. These include grinding, laser machining, gear wheel and multitasking machining. The SINUMERIK 840D sl has a high level of system flexibility, which makes it the preferred CNC control when it comes to opening up completely new fields of technology, such as tape layer applications in composite processing in the aviation industry.

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Modular and scalable

Optimum compact machine concepts can be developed by combining the SINUMERIK 840D sl BASIC with the SINAMICS S120 Combi compact converter.

SINUMERIK 840D sl BASIC with SINAMICS S120 Combi – Entry into the premium class with up to 6 axes.

As well as scalable NCU performance, the SINUMERIK 840D sl also offers a high degree of modularity of the operator controls. With a flexible M:N operating concept – such as the free combination of operator panels with the NCU – the SINUMERIK 840D sl can be ideally adapted to the operating philosophy of modern premium machine concepts.

SINUMERIK 840D sl with SINAMICS S120 – CNC performance with up to 93 axes.

Engineering

There is nothing to rival the openness of the SINUMERIK 840D sl system. With SINUMERIK Integrate, the CNC control can be optimally adapted to the technology of the machine. SINUMERIK Integrate also provides a high degree of freedom in production automation. For example, the operation can be added to and adapted, and even robots and handling systems can be integrated. The openness in the CNC kernel and the drive enables unique mechanical concepts – such as adapted control algorithms and specific kinematic transformations – to be implemented.

Communication at all levels

SINUMERIK 840D sl integrates itself perfectly into the Siemens Totally Integrated Automation world with PROFINET, the leading Industrial Ethernet standard. Totally Integrated Automation stands for unique consistency – from field level through production to the corporate level.

The result: Optimal interaction between all components in the automation solution, and thus maximum transparency and availability of the production process.

Perfect drive solutions for equipping machine tools

SINAMICS S120 Combi combines the performance capability of the modular SINAMICS S120 with a rugged, compact size. An infeed and up to 4 Motor Modules are integrated into a single enclosure. The intelligent expansion by 2 Motor Modules has made the SINAMICS S120 Combi the perfect basis for equipping compact, standardized machine concepts with a spindle power of up to 15 kW and up to 5 feed axes.

SINAMICS S120 is synonymous with performance capability and flexibility in the equipment of machine tools. Not only a wide range of Motor Modules with up to 300 kW power but also an infeed with a closed-loop DC link are available. This provides the shortest spindle acceleration times, and enables perfect reactive current compensation of the entire machine (cos φ = 1). Furthermore, Dynamic Servo Control (DSC) offers a unique closed-loop position control process for the highest dynamic response of feed and spindle motors.

All components of SINAMICS S120 and S120 Combi, including the SIMOTICS motors and encoders, are connected to the SINUMERIK 840D sl via the highspeed DRIVE‑CLiQ interface. In this way, the CNC control detects the electronic rating plates – that is the relevant performance data and production data – of all the connected components. This ensures not only automated commissioning, but also optimal diagnostics, faster service and efficient maintenance.

SIMOTICS motors for the highest accuracy and dynamic response in the machine tool.

SIMOTICS 1FK7/1FT7 servomotors are characterized by a high stall torque, high maximum speed and perfect true running properties. A high degree of protection, strong bearing unit and vibration-free mounting ensure absolutely reliable synchronous servomotors. High quality magnetic materials achieve a very high power/weight ratio and so the smallest motor dimensions. This makes installation possible in even the most cramped conditions.

SIMOTICS 1FN3 linear motors can almost completely eliminate elasticity, backlash and friction characteristics, as well as natural vibration of the machine drive train.

SIMOTICS 1FW6 torque motors open up completely new fields of technology, such as turning in milling machines (multi-tasking).

SIMOTICS motor spindles achieve the highest productivity and precision in a machine tool. They facilitate optimal performance and workpiece quality. The mechanically integrated motor solutions are extremely compact, and achieve maximal rigidity, which is the precondition for the highest speeds and precise true running.

The portfolio, which optimally supports every type of spindle solution, ranges from conventional 1PH8 mounted spindle motors and synchronous 1PH2/1FE1/1FE2 built-in spindle motors to mechanical spindles, and 2SP1 hybrid and motor spindles.