一分钟学会如何折弯九折型材？绝对好文！

1.折四道90度

a.折第一道90度(上模为直刀,下模为90度V8模)

http://image96.360doc.com/DownloadImg/2016/04/2521/70508135_1
b.折第二道90度(上模为直刀,下模为90度V8模)

http://image96.360doc.com/DownloadImg/2016/04/2521/70508135_2
c.折第三道90度(上模为直刀,下模为90度V8模)

http://image96.360doc.com/DownloadImg/2016/04/2521/70508135_3
 d.折第四道90度(上模为直刀,下模为90度V8模),

http://image96.360doc.com/DownloadImg/2016/04/2521/70508135_4

2,压圆弧R10(R10上模，90度V16下模),

http://image96.360doc.com/DownloadImg/2016/04/2521/70508135_5
3.折30度，25度（25度上模,30度V8下模）

http://image96.360doc.com/DownloadImg/2016/04/2521/70508135_6
4.折90度(上模为直刀,下模为90度V8模),

http://image96.360doc.com/DownloadImg/2016/04/2521/70508135_7
 5.压两道死边（平模上模，平模下模）

http://image96.360doc.com/DownloadImg/2016/04/2521/70508135_8
6.弯90度（上模大弯模，90度V16下模）

http://image96.360doc.com/DownloadImg/2016/04/2521/70508135_9
7.校形（上工艺的中，只需去掉大弯刀，只装90度V16下模）

http://image96.360doc.com/DownloadImg/2016/04/2521/70508135_10