Machine Tool Industry Research

Machine Tool Industry Research Association (MTIRA - UK). 

Results reported so far correspond to the slot cutter specified in Table 1.6, and used in previous work. However, tests performed by machine-tool markers generally follow the recommendations of the Machine Tool Industry Research Association (MTIRA), and these involve the use of a helix cutter. As pointed out, with the slot cutter the limiting factor of machine performance is the onset of chatter, while with the helix cutter it is both the onset of chatter and the available driving horsepower. It is clearly of practical interest to establish whether the theory of chatter allows the prediction of the stability for both types of cutter. 

ABSTRACT Since the standard EN ISO 13849-1 became effective in December 2012, manufacturers in the area of the machine tool industry have to assess the functional safety of the safety-related functions in a probabilistic quantitative way. Due to the specifications of the standard in combination with little experience and few existing quantitative data in the machine tool industry, manufacturers have huge problems by adapting the new requirements. The presented research project tries to develop an alternative and practicable procedure which shall allow the manufacturers to fulfil the normative requirements with a proven in use approach. Therefore, as shown in the ESREL-paper 2013, a first data analysis of real field data was performed to proof if the available field data in the machine tool industry is useful to develop a proven in use approach. Further the standard includes assumptions concerning the failure behaviour of the components, which were also checked with the first field data analysis. The first examination included the reliability of the analysed systems. To realise an approach for the Functional Safety of safety-related functions it is necessary to analyse these functions separately on the basis of field data. The aim and content of the presented paper is to extract the safety-relevant information out of the checked reliability field data. Afterwards, the safety-related field data has to be further analysed to identify those data that are responsible for one exemplified single safety-related function. Consequently, the received quantitative results can be compared with the requirements of the EN ISO 13849-1. 

The results of the analysis showed that the existing operational field data in the machine tool industry can generally be used for probabilistic reliability and safety assessments and consequently for a proven in use approach. The used field data included reliability events so that further researches were necessary to extract the subset of safety-relevant events. 

Although the sample cannot be regarded as randomly chosen, there is no obvious indication that it is biased toward relatively profitable innovations (socially or privately) or relatively unprofitable ones. In large part, it contains undramatic, run-of-the-mill improvements in products and processes, like a new type of thread or an improved machine tool. As many studies indicate (2 ), this is the type of work that accounts for most industrial research and development. 

In 2007, Prof. Reinhart returned to university and has served with Prof. Michael F. Zsih as co-director of the Institute for Machine Tools and Industrial Management iwb) with more than 100 employees and two locations Garching near Munich and Augsburg. He is also the chairman of the Bavarian Cluster for Mechatronics and Automation e.V. and since January 1, 2009, head of the Fraunhofer IWU research-department for Resource-Efficient Converting Machines (RMV). 

Superconductivity is a phenomenon of exactly zero electrical resistance occurring in certain materials when cooled below some critical temperatures Tc- Superconductivity attracts attention of physicists and engineers because of prospects of its applications in industry. The matter is of research applications, defense and space, instruments for science and medicine, machine tools, materials processing, transportation, and energy. 

Up to now, adaptronics has mainly been an object of research at universities, and the industry has only just started to apply adaptronic systems a most recent example is an intelligent mineral casting mould [182]. This machine bed for machine tools is to adapt itself to changing thermal conditions, thereby preventing the structure from any deformations. To accomplish this, temperature sensors are embedded into the mineral casting material (polymer concrete) cooling elements, which are integrated into the bed, serve as actuators. 

Abstract. Quality management is already a successful concept for industrial companies. First experiences with a systematic quality management in research institutes and chairs have been gathered at the Laboratory for Machine Tools and Production Engineering (WZL). The article shows where and how a systematic quality management can be used to improve the performance of institutes and chairs in education and research. Therefore in a first step the customers, products and processes of institutes and chairs are analyzed to define areas where systematic quality management can help. In a second step the ideas and approaches of a systematic quality management are described. Some of these approaches are exemplified by concrete solutions, which are developed at the WZL. 

Indonesia is a tropical country with about 144 million Ha of tropical forest, producing a large amount of natural polymers, mainly natural rubber and wood products. In 1991 the total production of natural rubber was about 1.36 million tonnes while the production of log was about 40 million. Such large amount and various kinds of natural polymers were subject to investigation by a number of research centers since before the second WW. Center for the Application of Isotopes and Radiation, using radiation technique as a tool to modify the property of various natural polymers in order to meet the industries. Several Cobalt-60 sources and electron beam machine (EBM) from a small scale to a pilot scale are available. Other polymers such as synthetic fibers also becoming a subject of investigation. 

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