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Please use this identifier to cite or link to this item: http://hdl.handle.net/11133/582

Title: ラック形工具による歯車の仕上転造法 : 精度の向上(第 4 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 4 ホウ )
Finish Roll Forming Gears by the Rack Die System : Improvement of Tooth Accuracy (4th Report)
Authors: 久野, 精市郎
KUNO, Seiichiro
Issue Date: 31-Mar-1981
Publisher: 愛知工業大学
Abstract: To improve the tooth accuracy on rolled workpieces, in this paper several problems are investigated on the rack die. (1) Desirable root radius and crest radius, which are considered to give an important effect on the accuracy of the workpieces, are determined for the module as well as for the whole depth of rolling. (2) From the geometrical relation, it is inferred that unworked tip on rack face is almost interfered with an involute flank on a workpiece. Therefore, it will be sure, in fact that they are clashed each other. To avoid this, it is clear to be effective to ease a tip on the face. (3) At the end part on rack die, the crest line must not be too close to that of normal tooth. From the result on finish rolling using the designed die pieces, the desirable crest shape is made clear, and the rolled tooth on workpiece is improved.
URI: http://hdl.handle.net/11133/582
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