PROBLEM TO BE SOLVED: To reduce man-hours and cost by eliminating the necessity of a chamfering process for removing a raised part formed in the peripheral edge of a through-hole.SOLUTION: A core metal 10 (crawler shoe core metal) is provided with: a notched part 16 plate-shaped, held and fixed to a traveling link provided to a traveling machine body by a fixing member, and formed to be recessed in the surface P1 of the traveling link side; a through-hole 18 formed through the inside of the notched part in a plate thickness direction to be used for inserting the fixing member; and a raised part 22 projected from the through-hole peripheral edge of the notched part 16 toward the traveling link side with a projected end thereof set to a height not reaching the surface P1 of the traveling link side.SELECTED DRAWING: Figure 3
【課題】貫通孔周縁に形成される隆起部を除去するための面取り加工を不要として工数及びコストの低減を図る。【解決手段】芯金10(履帯シュー用芯金)は、板状とされ、走行機体に備えられる走行リンクへ固定部材によって挟持固定され、走行リンク側の面P1に凹んで形成された切欠き部16と、切欠き部の内側を通って板厚方向に貫通し、固定部材の挿通用とされる貫通孔18と、切欠き部16の貫通孔周縁から走行リンク側に向けて突出し、その突出端は走行リンク側の面P1へ至らない高さとされた隆起部22と、を備える。【選択図】図3
CRAWLER SHOE CORE METAL AND METHOD FOR MANUFACTURING SAME
履帯シュー用芯金、弾性履帯シュー及び履帯シュー用芯金の製造方法
2017-05-18
Patent
Electronic Resource
Japanese
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