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Please use this identifier to cite or link to this item: http://hdl.handle.net/11133/564

Title: ラック形工具による歯車の仕上転造法 : 精度の向上(第 3 報)
Other Titles: ラックガタ コウグ ニヨル ハグルマ ノ シアゲ テンゾウホウ : セイド ノ コウジョウ ( ダイ 3 ホウ )
Finish Roll Forming Gears by the Rack Die System : Improvement of Tooth Accuracy (3rd Report)
Authors: 久野, 精市郎
KUNO, Seiichiro
Issue Date: 31-Mar-1980
Publisher: 愛知工業大学
Abstract: In this paper, the accuracy of finished rolling teefh is examined experimentally The gear blank hobbed previously (the module m=1.5,the number of teeth 27,the pressure angle 25°and the stub teeth, whole depth 1.8m), is rolled on the constant rotating speed by the free driving rack die system. Those racks are limited in length owing to the influence of accumulative pitch errors. Then, the rotating number required to the pinion accuracy, is to be carried out by the repeated rolls of several times. On the gear rolling, it is the most defective point that the respective faces of involute teeth worked by the moment of generating motion are depressed at the pitch points. From the investigation of those finished rolling conditions, it is revealed that the accuracy of rolled teeth is controlled by the rolling times and directions, and that two-way rollings maked up by the combination of a normal and a reverse roll are the most effective way in this system. Then the collapses found near the pitch circle of the first rolled teeth are greatly decreased. And, the tooth profile error, pitch error and runout of the hobbed pinion are improved clearly.
URI: http://hdl.handle.net/11133/564
Appears in Collections:15号

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