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模具的原材料的控制从下列几方面进行:
模具的原材料的控制从下列几方面进行:
The control of the raw material of the die is carried out from the following aspects:
1、宏观检验
1. Macro-examination
化学成分对保证钢材的性能是决定性的，但成分合格，不能全面来说明钢材性能，由于钢材内部组织和成分的不均匀性，宏观检验在很大程度上补充了这方面的不足。
Chemical composition is decisive to ensure the performance of steel, but the composition is qualified, tuogun.07858.net biaozhi.37ix.com.cn huafenchi.07858.net baoding.89ix.com fanghulan.37ix.com.cn www.zhisudai.com which can not fully explain the performance of steel. Because of the heterogeneity of the internal structure and composition of steel, macro-inspection to a large extent complements this deficiency.
宏观检测可以观察钢的结晶情况，钢的连续性的破坏和某些成分的不均匀性。
Macroscopic examination can observe the crystallization of steel, the destruction of continuity of steel and the inhomogeneity of some components.
标准《结构钢的低倍组织缺陷评级图》GB1979
Standard "Rating Chart of Defects in Low Macrostructure of Structural Steel" GB1979
宏观常见8种缺陷:偏析、疏松、夹杂、缩孔、气泡、白点、裂缝、折叠。
There are 8 common macroscopic defects: segregation, porosity, inclusion, shrinkage, bubble, white spot, crack and folding.
模具图片模具图片
Mould picture Mould picture
2.1、退火组织的评定
2.1. Assessment of Annealing Microstructure
退火的目的，降低钢的硬度井盖钢模具 U型槽模具 天津水处理设备 检查井钢模具 保定公司注册 u型槽模具 流水槽模具 ，便于机加工，同时也为后续的热处理作组织准备。
The purpose of annealing is to reduce the hardness of the steel and to facilitate machining. At the same time, it is also to prepare the structure for subsequent heat treatment.
碳素工具钢退火组织按GB1298第一级别评级图评定。
The annealing structure of carbon tool steel is evaluated according to the first grade grading chart of GB1298.
The control of the raw material of the die is carried out from the following aspects:
1、宏观检验
1. Macro-examination
化学成分对保证钢材的性能是决定性的，但成分合格，不能全面来说明钢材性能，由于钢材内部组织和成分的不均匀性，宏观检验在很大程度上补充了这方面的不足。
Chemical composition is decisive to ensure the performance of steel, but the composition is qualified, tuogun.07858.net biaozhi.37ix.com.cn huafenchi.07858.net baoding.89ix.com fanghulan.37ix.com.cn www.zhisudai.com which can not fully explain the performance of steel. Because of the heterogeneity of the internal structure and composition of steel, macro-inspection to a large extent complements this deficiency.
宏观检测可以观察钢的结晶情况，钢的连续性的破坏和某些成分的不均匀性。
Macroscopic examination can observe the crystallization of steel, the destruction of continuity of steel and the inhomogeneity of some components.
标准《结构钢的低倍组织缺陷评级图》GB1979
Standard "Rating Chart of Defects in Low Macrostructure of Structural Steel" GB1979
宏观常见8种缺陷:偏析、疏松、夹杂、缩孔、气泡、白点、裂缝、折叠。
There are 8 common macroscopic defects: segregation, porosity, inclusion, shrinkage, bubble, white spot, crack and folding.
模具图片模具图片
Mould picture Mould picture
2.1、退火组织的评定
2.1. Assessment of Annealing Microstructure
退火的目的，降低钢的硬度井盖钢模具 U型槽模具 天津水处理设备 检查井钢模具 保定公司注册 u型槽模具 流水槽模具 ，便于机加工，同时也为后续的热处理作组织准备。
The purpose of annealing is to reduce the hardness of the steel and to facilitate machining. At the same time, it is also to prepare the structure for subsequent heat treatment.
碳素工具钢退火组织按GB1298第一级别评级图评定。
The annealing structure of carbon tool steel is evaluated according to the first grade grading chart of GB1298.
