1．裁剪尺寸准确，倒角位置要提前处理。

1., cutting size is accurate, the chamfering position should be dealt with in advance.

2．板面不得有明显划痕，材料采购是双面覆膜，制作时地面铺橡胶板以防划伤。

2., the surface of the Board shall not have obvious scratches, material procurement is double coated, when making rubber flooring on the ground to prevent scratches.

3．卷圆时要做起弧处理，因为这样不会出现不圆或者有菱角的问题。

3. roll round to start arc processing, because it does not appear not round or a water chestnut problem.

4．焊接时缝隙均匀、平面平整，两块板对接时两端用大力钳夹紧逐步点焊，确认平整无误后焊接。

4. when welding, the gap is uniform and the plane is smooth. When the two plates are butted, the two ends are clamped firmly and gradually welded.

5．铆接注意法兰和翻边预留是否整齐，否则会出现风管安装时倾斜，规范预留小边7mm，选用不锈钢4*10的平头铆钉，用液压铆钉机整齐铆接。

5. riveting, pay attention to flange and flanging reservation is neat, otherwise there will be wind pipe installation tilt, specifications reserved small side 7mm, choose stainless steel 4*10 rivet, rivet with hydraulic riveting machine neat riveting.

6．风管规格比较多时为了避免安装错误建议制作时编号处理，用记号笔标记在风管内侧。

6. wind pipe specification is relatively long, in order to avoid installation errors, it is recommended to make number processing, marked with a pen on the inside of the pipe.