Jan Thu,2025
铸钢大齿轮是矿山、冶金、水泥、建材、煤炭、电力等行业的重要大型铸钢件,齿轮圈材质为ZG42CrMo,凝固温度范围大,其凝固特性决定了铸件易形成显微疏松,磁粉检测后出现超标磁痕显示。齿轮圈尺寸大,最大直径达到9.9m,重达60多吨,形状特殊,其轮缘铣齿深度达厚度的1/2。随着近年来尺寸增大,生产中砂眼、气孔、疏松缺陷比较突出,特别是精加工后,齿面部位存在疏松,造成大量毛坯返修,不仅影响质量,增加成本,还影响交货期,降低齿轮圈的工艺出品率,因而大型齿轮圈铸钢件的生产直接关系国家重点工程项目的质量、安全及进度,对于国计民生具有重要的意义。
6.3.1 φ5103mm×450mm铸钢大齿轮技术要求
(1)保证铸件质量,
Jan Thu,2025
6.6米铸钢大齿轮铸造方案介绍
1.工程概述
铸钢大齿轮是矿山、冶金、水泥、建材、煤炭、电力等行业的重要大型铸钢件,齿轮圈材质为ZG42CrMo,凝固温度范围大,其凝固特性决定了铸件易形成显微疏松,磁粉检测后出现超标磁痕显示。随着近年来质量要求越来越高,检验越来越严,生产中铸造缺陷频发,特别是精加工后,齿面部位存在砂眼、气孔、疏松、裂纹等缺陷,造成大量毛坯返修,不仅影响质量,增加成本,还影响交货期,因而大型齿轮圈铸钢件的生产直接关系国家重点工程项目的质量、安全及进度,对于国计民生具有重要的意义。
零件清单
序号
名称
材质
数量
重量(Kg)
轮廓尺寸(mm)
1
铸钢齿圈
ZG42CrMo
1
41
Jan Thu,2025
I. Overview The device is divided into two main parts: the top push part and the moving part. The top push part consists of a double-acting hydraulic cylinder, clamping mechanism, and hydraulic pump station; the moving part consists of a heavy-duty roller cart and accessories. It is mainly used for the horizontal transportation of large buildings (structures), steel f
Jan Wed,2024
GEARX, founded in 2001, specialized in the supply of large-sized gear products, mainly focus on the design, manufacture, sales as well as related services of girth gears, including cast steel girth gear, ductile iron girth gear and welded structural girth gear with a maximum diameter of 16 meters and the highest accuracy could reach AGMA 10 or GB6. Our manufacturing b