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Please use this identifier to cite or link to this item: http://hdl.handle.net/11133/928

Title: ラック形工具による歯車の二段転造(工具の歯型I)
Other Titles: ラックガタ コウグ ニヨル ハグルマ ノ ニダン テンゾウ コウグ ノ ハガタ 1
Two Step Rollings of Gear by the Rack Type Tools (Die Tooth I)
Authors: 久野, 精市郎
KUNO, Seiichiro
Issue Date: 31-Mar-1993
Publisher: 愛知工業大学
Abstract: In the full-form gear rolling on one step, the rolled gear blank was suffered from the great force at the time in passing the pushing part of rack tool. Therefore, the produced tooth profiles were often separated in true precisions and the pinion quality was easily influenced by the operating variations of rolling system. There, both the rough rolling and finish rolling rack tools were prepared for two step works. And the production for a lathed blank was tried to make a more precise gear. In this paper, as the investigation of the effect to profile precises of rolled teeth, the shapes at the top profiles of the rough rolling tools were examined experimentally. Those top shapes were the round, flat and round-flat respectively. From the investigation of rolled workpiece (module 1.5,pressure angle 24.5°, number of teeth 28,whole depth 2.7mm and tooth width 10mm), it was reveled that the roundflat type was the best in those shapes and the two step rollings by the rack type tools were useful for gear-piece manufacturing.
URI: http://hdl.handle.net/11133/928
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