Workpieces up to approx. 50cm are usually mechanically and manually clamped with three- or four-jaw chucks, or automatically by pneumatic or hydraulic. If, however, the workpieces to be machined are larger, then planar disks are used. They also hold much larger parts safely on site with jaw boxes and tensioning spindles. As a user, you have the choice between 7 standard thread sizes from TR 50 to TR 200, with which, due to the proven principle of force multiplication by means of wedge clamping system, clamping forces of up to 500 kN can be achieved. In addition, self-locking is achieved in each tensioning position as well as a high degree of stiffness. The power clamping spindles are equipped with an internal switchover to switch between external and internal clamping. The MSP / MSPD power clamping spindles from Jakob Antriebstechnik convince by their very high clamping forces, a large clamping range and easy operation and assembly. This ensures maximum operational safety.
In order to guarantee this permanently, Jakob recommends (depending on the frequency of the clamping cycles) a regular inspection of the spindles once or twice a year. The Jakob force measuring systems, such as the hydraulic, autarkic force transducer HMD, are particularly simple. The intelligent clamping claw FMS even allows a constant clamping force control during the machining of the workpieces. The determined data can be transmitted wirelessly directly to a handheld display device or PC. If the clamping forces deviate from the stated nominal values by approx. 25% – 30%, an overhaul is recommended. Maintenance can be carried out directly. Alternatively, the company also offers training courses to certify participants as operating or maintenance personnel. This means that installation and maintenance can be carried out in the company’s own operation in the future.
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Siemens and Pixeom
Acquisition of Edge technology
Siemens is planning the acquisition of Edge technology from the US company Pixeom. With this action, Siemens is strengthening its Industrial Edge portfolio by adding software components for Edge runtime and for device management. Siemens Industrial Edge provides an ecosystem, which enables the flexible provision and use of apps. This means for example that appropriate apps can analyze data locally at the machine and send relevant data to the higher-level Industrial Edge Management System for global analytics. With this acquisition, Siemens is driving forward the expansion of its Digital Enterprise portfolio and the integration of cutting-edge technologies for the digital transformation of industry.
With the resulting Industrial Edge ecosystem, industrial companies can use production data even more efficiently and react more flexibly to changes in conditions. Ralf-Michael Franke, CEO of Business Unit Factory Automation, explains: “Cutting edge technologies such as Edge Computing open up new scope for automation. With Siemens Industrial Edge, we are creating an open edge ecosystem which offers benefits for companies of any size.” Siemens is using Docker standard container technology: the provision of apps in the management system will therefore be just as simple as functional upgrades and updates of Edge devices in the factory from a central point.
Siemens intends to acquire this technology from Pixeom and use it in the Business Unit Factory Automation, which is part of Siemens Digital Industries. Pixeom has sites in San José, California and Udaipur, India and employs 81 people worldwide. Closing of the transaction is planned for the fourth quarter of 2019. Both companies have agreed not to comment on the financial details of the transaction.
Valve islands for highly available environments
The Air Line SP Type 8647 valve island by Bürkert Fluid Control Systems can be integrated in the distributed peripheral systems SImatic ET 200SP and ET 200SP HA by Siemens. The new integration stage further increases system availability and reliability, e.g. also in R1 redundant Profinet environments.
Machinery and systems must be designed in such a way that neither humans nor the environment or property are damaged by their functions. Typically, such requirements – especially in new systems – are resolved using a Profisafe controller, the PROFIsafe protocol and respective fail-safe IO modules.
Therefore, the fluidics expert Bürkert Fluid Control Systems and Siemens have been constantly pooling their know-how: For example, the Air LineSP Type 8647 valve island can now be integrated into the distributed peripheral systems Simatic ET 200SP and ET 200SP HA. The new integration stage further increases system availability and reliability. For the first time, valve islands in highly available and up to R1 redundant Profinet environments can be operated using the Profisafe protocol directly in a distributed peripheral system. Pneumatic segments or individual valves can then be switched off selectively via the corresponding safety relay.