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FIRST RANK AT EUROPEAN HIGH-SPEED-MACHINING-AWARD 02.02.2007 During the 14. "HSC"-conference in the Austrian city Steyr, the presentation of awards of the "7. European High-Speed-Machining Award 2006" took place. The first rank in the cat  egory "hardmilling" was won by Pokolm Frästechnik. Problem was, to machine a form insert for a chocolate easter bunny of the pastry cook Roman Hauswirth from the city Kittsee according to predefind CAD-data. The component had a difficult geometry with various steep and shallow areas, which had to be machined in high precision surface finish and accuracy. Optimum machining of the component to meet the quality requirements was demanded. Material: 1.2343, hardness 52 - 54 HRC The contour accuracy of the concave mould should be +/ - 0,015 mm and a centre line average roughness of </ = 0,3 Ra. for the total surface was required. The smallest of all necessary end mills for this concave mould was 2 mm diameter. Surface finish of the parting surface should be 0,5 - 0,6 Ra. Surface finish of the marking should be 0,8 - 1,0 Ra and the engraving tool for this operation had a diameter of only 1 mm.  Important criteria for the total rating was, besides the best possible fulfilment of all required tolerances, valutation of visual general impression, of surface quality and Ra-value of centre line average roughness for all surfaces. Besides this, milling- and machining strategies, machining time and surface accuracy of the concave mould, the parting surface and the marking as well as the innovation extent was evaluated. Between 15 participants, Pokolm finished this job with Pokolm-Voha tools in 2 hours, 29 minutes and 52 seconds and was rated first in category "hardmilling". Specialists in Problem-solving: Pokolm-Voha Further information finds you here! Print page |
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