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成形輾擴鍛造工藝

文章來源：sjzwx 更(geng)新(xin)時間：2014-12-24 09:21:50

    (1)外圈成形(xing)鍛件(jian)形(xing)狀與成品形(xing)狀相似，如圖3所示。

    (2)內(nei)圈(quan)C型(xing)(xing)(~H22324C／02)。C型(xing)(xing)軸(zhou)承(cheng)內(nei)圈(quan)兩側無擋(dang)(dang)邊，兩列球(qiu)面滾子(zi)之間有一(yi)個(ge)活(huo)動(dong)(dong)中(zhong)(zhong)擋(dang)(dang)邊，鍛(duan)(duan)件外形如(ru)圖4所示(shi)(shi)。CA型(xing)(xing)(~N22322CA／02)。CA型(xing)(xing)軸(zhou)承(cheng)內(nei)圈(quan)兩側有擋(dang)(dang)邊，兩列球(qiu)面滾子(zi)之間有(或無)一(yi)個(ge)活(huo)動(dong)(dong)中(zhong)(zhong)擋(dang)(dang)圈(quan)，鍛(duan)(duan)件外形如(ru)圖5所示(shi)(shi)。帶固定擋(dang)(dang)邊的調心(xin)滾子(zi)軸(zhou)承(cheng)(~U3632／02)內(nei)圈(quan)兩側有擋(dang)(dang)邊，中(zhong)(zhong)間有一(yi)個(ge)固定中(zhong)(zhong)擋(dang)(dang)邊，鍛(duan)(duan)件外形如(ru)圖6所示(shi)(shi)。