Schenck Rotec

Turning good products into excellent products – this is more than just our promise. It is a reality we live! Balancing is the key to perfection for rotating parts. And synonymous for low noise emission, high productivity and long service life. Balancing is sustainable. It saves resources, reduces environmental pollution and improves the efficiency of your products. In 1881, Carl Schenck left the company in Mannheim and established his own scales factory in Darmstadt. His prudence, international orientation and presences at world exhibitions ensured the company's success early on. And also for plenty of orders for the young business from Darmstadt. As a result of this dynamic development, the company began developing and manufacturing balancing machines in 1907. Carl Schenck, who was intensely occupied with the topic of "balancing" concluded a license agreement with Lawaczeck in 1908, who was the first to develop a feasible solution for a "balancing machine". In 1915, Schenck took over the exclusive license for the entire world. The "Lawaczeck Principle" was to remain valid all the way into the 1940s. During this period, a number of new optical and mechanical measuring methods were developed, whose measuring accuracy was quite remarkable. The "Lawaczeck model" was capable of achieving a balance quality equivalent to a centre of gravity displacement of 0.001 mm - a balance quality which would even today be perfectly adequate for many applications. In 1935 a machine patented in the USA, featuring electrodynamic vibration sensors and stroboscopic determination of the unbalance angle pioneered a change-over to a new design. 1942 Schenck submitted the patent for a "Method and facility for dynamic balancing by determination of the angular position of unbalance by means of a periodic curve displayed on the screen of an oscillocope". Due to its high accuracy the system was used right through the second world war for balancing gyroscopic stabilizers for naval vessels. In 1995, within the framework of the restructuring of Carl Schenck AG, the business units balancing and diagnosis technology were combined in an independent company – Schenck RoTec GmbH. From a technical perspective, one of the most impressive highlights of this period was the realization of the world's largest geotechnical centrifuges for physical soil testing. New technological territory was entered with the CRYO spin-testing rig, with which the component of the rocket propulsion of Ariana 5 are further developed at temperatures close to absolute zero. In the year 2000, the globally active technology group DÜRR AG based in Stuttgart acquired the majority stake in Carl Schenck AG. Energy savings, noise reduction and efficiency increase were the prevailing themes of the first decade of the new millennium. In 2009 the test laboratory for balancing technology was officially accredited by the German accreditation body for technology "Deutsche Akkreditierungsstelle Technik" (DATech). For the very first time, users and service providers can certify their testing equipment and measuring technology – documented and traceable to international SI units.