Recirculation valve magungano akakosha muPUR yakawandameltermasisitimu uye haawanzo kurongeka panguva yekushandiswa. Mumamiriro ezvinhu akajairwa, mugadziri wefuser akagadziridza kune yakajairwa kushandiswa kumanikidza kukosha asati abva mufekitori. Basa guru rechigadziro chevhavha yekudzoka ndechekugadzirisa mhepo huru yekubuda yemuchina wekupisa unopisa. Kana kukosha kwekumanikidza kwakakura, huwandu hweglue hwakakura, uye kana kukosha kwekumanikidza kuri kudiki, huwandu hweglue hushoma. Inodzivirirawo mapombi egiya uye madhiraivha kudzivirira sisitimu kushanda pasi pekudzvinyirira kana muchina wavharwa. Usati wagadzirisa reflow valve, iva nechokwadi chokuti kunyunguduka, hot melt hose uye pfuti inopisa inonyunguduka iri kushanda pachigadziko chekushisa, uye sunungura screw pane reflow valve. Iyo inversion nguva ndeyekudzikisa kukosha kwekumanikidza. Wedzera kukosha kwekumanikidza. Usavhara vheji yekudzoka kusvika kumagumo paunenge uchiwedzera, kana zvisina kudaro mutoro unorema, motokari ichapisa kana pombi yegiya ichapera.
Mushoko, kune matambudziko mazhinji anoda kutariswa mukushandiswa kweanopisa anonyunguduka adhesives, saka zvakakosha kwazvo kusarudza yakakodzera inopisa inonyungudutsa adhesive muchina wekushandiswa kweanopisa anonyungudutsa adhesives.Vadivelu Comedy Purking Technology ibhizimusi rakazara tekinoroji rinonyanya kunyunguduka anonamira michina uye inopisa inonyungudutsa inonamira yekupfapfaidza tekinoroji. Kana uine chero mibvunzo mukushandisa, unogona kubata iyoPurking inopisa inonyungudutsa glue mugadziri wemuchina chero nguva.