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本守则适用于铸造生产的施工技术准备工作,包括芯骨、冷铁和工艺装备的设计制造和管理方法等。1.芯骨:1.1砂床准备:1.1.1制芯骨的砂床要翻松,经常过筛,清除铁块和杂物,并定期补充一定数量的新砂。1.1.2砂床型砂的水分应均匀适度。1.1.3砂床要求平整,紧实度应均匀合适。1.2对芯骨的要求:1.2.1芯骨应具有足够支撑砂芯各部分的强度和刚度,以保证砂芯在吊运和浇注过程中不致变形、颤动和折断,影响铸件质量和操作安全。
This Code is applicable to the preparation of construction technology for foundry production, including the design, manufacture and management of cored and chilled iron and process equipment. 1. Core: 1.1 sand bed preparation: 1.1.1 system of sand core bed to be loose, often sifted to remove iron and debris, and regularly add a certain amount of new sand. 1.1.2 sand sand water should be uniform and appropriate. 1.1.3 sand bed requires smoothing, compaction should be uniform and appropriate. 1.2 Mandrel Requirements: 1.2.1 The cored bar shall have sufficient strength and rigidity to support each part of the sand core to ensure that the sand core will not deform, vibrate and break during lifting and pouring, which will affect the quality and operational safety of the casting.