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昭通普通砂型鑄件鋼質模鍛件測試

信息編號:63931427 發(fā)布時間:2025/8/13 11:13:08
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黏土干砂型制造這種砂型用的型砂濕態(tài)水分略高于濕型用的型砂。
黏土砂芯用黏土砂制造的簡單的型芯。
制造這種砂型用的型砂濕態(tài)水分略高于濕型用的型砂。砂型制好以后,型腔表面要涂以耐火涂料,再置于烘爐中烘干,待其冷卻后即可合型和澆注。烘干黏土砂型需很長時間,要耗用大量燃料,而且砂型在烘干過程中易產生變形,使鑄件精度受到影響。黏土干砂型一般用于制造鑄鋼件和較大的鑄鐵件。自化學硬化砂得到廣泛采用后,干砂型已趨于淘汰。
以下是“昭通普通砂型鑄件鋼質模鍛件測試”信息發(fā)布人聯(lián)系方式:

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