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This part of GB/T 37400 specifies the general inspection regulations of components & parts, accessories, and outsourced semi-finished products (refer to the raw materials with uniform cross-section size along length direction formed by rolling process) for heavy machinery products (mainly including smelting, rolling, heavy forging, continuous casting, mining machinery and their auxiliaries).
This part is applicable to the inspection of heavy machinery products.
This part is not applicable to the inspection of pressure vessels.
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GB/T 37400的本部分规定了重型机械产品装配的一般要求、装配部件的几何公差、装配连接方法、典型部件装配、总装、检验及试车、拆卸的通用技术要求。
本部分适用于重型机械产品的装配。
This part of GB/T 37400 specifies the general technical specification for the assembling of heavy mechanical products,the geometric tolerance of assembling parts,assembling connection methods,typical parts assembling,final assembling,inspection and trial run,and disassembling,etc.
This part is applicable to the assembling of heavy mechanical products.
GB/T 37400的本部分规定了重型机械配管的技术和安全要求。
本部分适用于重型机械产品本体上的油润滑、脂润滑、液压、气动和工业用水配管。
本部分不适用于压力容器配管。
This part of GB/T 37400 specifies the technical and safety requirements for heavy machinery piping.
This standard is applicable to the oil lubrication, grease lubrication, hydraulic, pneumatic and industrial water pipelines attached on heavy machinery products.
This standard is not applicable to the pipelines for pressure vessels.
GB/T 37400的本部分规定了铸钢件的超声检测、射线检测、渗透检测和磁粉检测等无损检测方法、一般要求及其相应的质量等级。
本部分适用于：
——厚度≤600 mm经热处理的合金和非合金铁素体钢铸件的A型脉冲反射法超声检测。对于厚度＞600 mm的铸件，如果没有其他规定，也可参照执行；
——厚度≥5 mm铸钢件的射线检测；
——铁磁性铸钢件表面及近表面缺陷的磁粉检测；
——铸钢件表面开口性缺陷的渗透检测；
——缺陷挖补处的磁粉检测和渗透检测。
本部分不适用于奥氏体铸钢件的超声检测。
This part of GB/T 37400 specifies the nondestructive testing methods of steel castings used for heavy machinery (including the ultrasonic testing,radiographic testing,penetrant testing and magnetic particle testing),as well as the general requirements and the quality classifications of relevant testings.
This part is applicable to:
—Type A pulse echo method of ultrasonic testing used for alloyed and nonalloyed ferrite steel castings with wall thickness ≤600 mm which have been heat treated.If there are no other standards for steel castings with wall thickness ＞600 mm,this Specification may be used as reference.
—The radiographic testing of steel castings with the thickness ≥5 mm.
—The magnetic particle testing for the defects on the surface and near the surface of the ferromagnetic steel castings.
—The penetrant testing for open defects on the surface of steel castings.
—The magnetic particle testing and the penetrant testing for defects of the remov
GB/T 37400的本部分规定了重型机械(以下简称“机械设备”)液压系统的系统设计、液压油、系统设备总成、铸件、锻件、焊接件和管件的质量、焊接要求、电器配线、控制、冲洗、试验、涂装、包装、运输和贮存的要求。
本部分适用于机械设备公称压力不大于40 MPa，液压介质为矿物油型液压油的液压系统。
注： 重型机械主要包括冶金、轧制及重型锻压等机械设备。
This part of GB/T 37400 specifies the regulations for hydraulic system design of heavy machinery (hereinafter referred to as mechanical equipment), hydraulic oil,equipment assembly, quality of castings, forgings, weldments and fittings, welding requirements, electrical wiring, controls, flushing, testing, coating, packaging, transporting and storage.
This part is applicable to hydraulic systems of mechanical equipment with the nominal pressure not more than 40 MPa and using mineral oil as medium.
NOTE heavy machinery mainly includes metallurgical, rolling and heavy forging and other mechanical equipment.
GB/T 37400的本部分规定了钢制焊接件的技术要求、检验方法及图样标注。
本部分适用于重型机械及零部件中焊条电弧焊、气体保护焊、埋弧焊和氩弧焊的钢制焊接件的焊接制造。
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