<strike id="5jdlx"></strike><cite id="5jdlx"></cite><strike id="5jdlx"><dl id="5jdlx"></dl></strike>
<strike id="5jdlx"></strike>
<strike id="5jdlx"></strike>
<span id="5jdlx"></span>
<th id="5jdlx"></th>
<strike id="5jdlx"><video id="5jdlx"></video></strike>
<span id="5jdlx"></span><strike id="5jdlx"><i id="5jdlx"><del id="5jdlx"></del></i></strike><strike id="5jdlx"><i id="5jdlx"><del id="5jdlx"></del></i></strike>
<span id="5jdlx"><dl id="5jdlx"><ruby id="5jdlx"></ruby></dl></span>
<span id="5jdlx"></span>
<strike id="5jdlx"><i id="5jdlx"><del id="5jdlx"></del></i></strike>
<span id="5jdlx"></span>
<span id="5jdlx"></span>
不銹鋼復合鑄造法蘭式蝶閥
詳細介紹
    為增加不銹鋼復合鑄造鑄件局部冷卻速度,在型腔內部及工作表面安放的激冷物稱做冷鐵。不銹鋼復合鑄造生產中常將冷鐵、澆注系統和冒口配合使用,控制鑄件的凝固過程,獲得合格鑄件。
 
    不銹鋼復合鑄造冷鐵材料的選擇,可以制作冷鐵的材料很多,凡是比砂型材料的熱導率、蓄熱系數大的金屬和非金屬材料均可選用。生產中常用的冷鐵材料有鑄鐵、鋁合金、石墨和銅合金等。鑄鐵冷鐵制作方便、成本低廉,在鋁合金、鎂合金精密鑄造生產中得到廣泛應用,尤其放在鑄件底部或末端以加強鑄件的凝固次序時,一般用鑄鐵冷鐵。
99热精国产这里只有精品
<strike id="5jdlx"></strike><cite id="5jdlx"></cite><strike id="5jdlx"><dl id="5jdlx"></dl></strike>
<strike id="5jdlx"></strike>
<strike id="5jdlx"></strike>
<span id="5jdlx"></span>
<th id="5jdlx"></th>
<strike id="5jdlx"><video id="5jdlx"></video></strike>
<span id="5jdlx"></span><strike id="5jdlx"><i id="5jdlx"><del id="5jdlx"></del></i></strike><strike id="5jdlx"><i id="5jdlx"><del id="5jdlx"></del></i></strike>
<span id="5jdlx"><dl id="5jdlx"><ruby id="5jdlx"></ruby></dl></span>
<span id="5jdlx"></span>
<strike id="5jdlx"><i id="5jdlx"><del id="5jdlx"></del></i></strike>
<span id="5jdlx"></span>
<span id="5jdlx"></span>