チップソーによる鉄鋼材料の切断加工に関する研究　（第２報）　　親板のテンショニング処理と切断性能

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タイトル別名
  • Study on Cutting-off Used Tipped-Saw when Sawing Steels. (2nd Report). Relation Between Tensioning of Disk and Sawing Performance.
  • チップソー ニ ヨル テッコウ ザイリョウ ノ セツダン カコウ ニ カンスル ケンキュウ 2 シンバン ノ テンショニング ショリ ト セツダン セイノウ
  • Relation Between Tensioning of Disk and Sawing Performance
  • 親板のテンショニング処理と切断性能

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This paper aims at developing of tipped-saw suited for cutting-off of various steels, and deals with an application of residual tensile stress which occurs in the outer aria of disk when brazing tips. Disk material is first investigated from the viewpoint of vibration characteristics. Next, tipped-saws utilized the thermal stress are produced with SK5 displayed the largest damping ratio and then the sawing performances such as tool failure, flank wear rate, surface roughness and so on are estimated. In addition, the results are compared with tipped-saws tensioned near the bottom of saws by rolling in order to ease the excessive tensile thermal stress. The examinations are carried out by two kinds of tip material i.e. cemented carbide and cermet. The obtained results are as follows. When the feed rate is at 0.07-0.10 mm/tooth, surface roughness and noise level are smaller. Tool fracture did not occur at 300 cutting numbers for cemented carbide, while 5 teeth of the cutting edge fractured up to 210 cutting numbers for cermet. Compared with tipped-saw of the only brazing, a deformed disk leads to higher elastic rigidity and smaller surface roughness.

収録刊行物

  • 精密工学会誌

    精密工学会誌 69 (2), 237-241, 2003

    公益社団法人 精密工学会

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