pvc塑(su)料(liao)通(tong)風(feng)管的縮短進程(cheng)
PVC通(tong)風(feng)管壹(yi)般(ban)用(yong)於(yu)吸排固體(粉塵(chen),纖維)和氣體(水蒸(zheng)氣,煙(yan)塵(chen))等,它是(shi)工廠(chang)、礦(kuang)山(shan)、農(nong)業理(li)想的通(tong)風(feng)管,接下來為(wei)大(da)家分享(xiang)pvc塑(su)料(liao)通(tong)風(feng)管的縮短進程(cheng) 。
pvc塑(su)料(liao)通(tong)風(feng)管采用(yong)沖(chong)壓法和高速(su)揉捏法生(sheng)產(chan),穿孔(kong)辦(ban)法采用(yong)穿(chuan)孔(kong)機穿孔(kong),壹(yi)起(qi)用(yong)軋(zha)輥(gun)軋(zha)制,用(yong)芯棒軋(zha)機進行壓扁,高(gao)速(su)揉捏法在擠出(chu)機中(zhong)間接揉捏,該辦(ban)法加(jia)工的管材(cai)尺(chi)寸精(jing)度(du)較低,缺(que)陷(xian)是裂紋(wen)、折(zhe)疊、分層和(he)夾(jia)雜(za)物(wu),關於厚壁和小(xiao)直徑管道(dao),錠(ding)也可(ke)以(yi)鍛(duan)造(zao)、軋(zha)制等工藝(yi)。
pvc塑(su)料(liao)通(tong)風(feng)管在轉輪(lun)縮短進程(cheng)中(zhong),因(yin)為(wei)轉輪(lun)高(gao)速(su)在管坯(pi)外(wai)表(biao)滾動(dong),如果(guo)有(you)其(qi)他微(wei)小(xiao)障(zhang)礙(ai),就會(hui)引(yin)起(qi)振(zhen)蕩(dang),使(shi)管件(jian)外(wai)觀(guan)起(qi)皺(zhou)。