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锭衬(见图1)是化纤牵伸筒管上的重要配件,用拉深加工工艺成形。原坯料为1mm厚的Q195冷轧钢板,要求工件有较高的制造精度和强度来保证牵伸管的使用。
The ingot lining (see Figure 1) is an important part of the chemical drawn bobbin and is formed by drawing. The original stock is 1mm thick Q195 cold-rolled steel, requiring the workpiece has a higher manufacturing precision and strength to ensure the use of draft tube.