PP风管的塑性加工与板材的塑性加工比较，在变形性质、变形特征等方面有许多相似之处，但为了防止工艺办法、需求处理的工艺难点、工装布局规划、工艺参数的挑选及产品发生质量的缺点而选用的工艺办法管材的中空截面是导致这些差异的理由，PP风管在曲折加工时特别明显。蛇行变形区域外侧壁及胀大变形区域的管壁、扩口及折回变形区域的管壁均有壁厚变薄的状况。 

BIANBOLIANGDUODEBUWEISHIDABIANXINGBUWEI，BIANDEGUOBOHUIDAOZHIFENLIE。 CONGBIANXINGLIXUEDESHIDIANLAIKAN，YINWEILASHENYINGLIDEZUOYONG，BIANXINGQUYUHUISHIDIAOGONGCHANGDEFUHECAINENG，SUOYISHISUXINGLASHENSHIWENDEWENTI，ZHEIZHONGZHILIANGQUEDIANDOUFASHENGZAISHENZHANGTIXICHENGXINGGONGXUZHONG。PPFENGGUANWAIBIAOYOUTIAOWENHUOHUAHEN，CHENGXINGMOJUZHONGDEKOUMOWAIBIAOHUASHANGHUOGUALIAO，YINGXIUGUANGKOUMOZUOYEMIAN，CHANCHUCANLIAO。PPFENGGUANJUYOUJIHAODENAIHUAXUEFUSHIXING、NAIMOSUN、JUEYUANXINGHAO、NAIGAOWEN，ZUOYEWENDUKEDAODA100℃。

RUQUZHEBIANXINGQUYUNEICEBIHESUOKOU(ZHIJING)BIANXINGQUYUDEGUANBINEIYANG，ZENGJIABIHOU。ZAIBIANXINGCHENGDUGUODASHI，GUANBIDIUSHIANWEN。 YINERSHIWENZHINENGJINGGUOLASHENYINGLIXIAOYINGCHENGXIAN，JINSUOYINGLIXIAOYINGYECUNZAISUXINGSHIWENDEWENTI，ZHEIZHONGZHILIANGQUEDIANDOUFASHENGZAIJINSUOLEICHENGXINGGONGXUZHONG。ZAIGUANCAIDESHEXINGJIAGONGZHONG，JIARUBUCAINAZAIGUANNEITIANCHONGCAILIAOHUOFANGZHIXINBANGDENGBIYAODEBANFA，SHEXINGDEHENGJIEMIAN、DAXIAOHEDAXIAOJIUHUIBIANXING。ZAIYUNYONGMOJUZUSAIGUANCAIDEZHUANGKUANGXIA，YINWEISHOUSHUDAODUIGUANBIDEYALIZUOYONG，ZUSAIMIANYEHUIFASHENGYAKUIXIANXIANG，CHENGWEIFEIYUANXING。 

ZAITIAOXUANHELIDEGONGYIBANFABINGXUANYONGBIYAODEGONGYIBANFASHIHENZHONGYAODE，XIAOCHUHUODAJIXIANDIJIANSHAOZHILIANGQUEDIAN，MANYIGUANDAODEYUNYONGXUQIU，SHIGUANDAOSUXINGJIAGONGDEJISHUGUANJIAN。PPFENGGUANYUANZHOUJIEMIANBIHOUCHICUNCHACUODA，CHENGXINGMOJUZHONGDEKOUMOYUXINZHOUZHUANGZHIHOUTONGXINDUJINGDUCHA，SHILIANGLINGJIANJIANDERONGLIAOLIUDAOXIBUJUNYUN，YINGDIAOZHENGLIANGLINGJIANDETONGXINDUJINGDU，PPFENGGUANJICHUSHENGCHANZUOYEYIDUANSHIJIANHOUCHENGXIANYUANZHOUJIEMIANBIHOUCHICUNCHACUOCHAOCHAXIANXIANG，ZHEISHIYINWEIDIAOLIKOUMOYUXINZHOUKONGXIDEDIAOLILUODINGCHENGXIANLESONGDONG，LIUYIDIAOLILUODINGDEJINGU。