Abubuwan da aka bayar na PTFE Slide Bearings

Za'a iya samun abubuwan da aka haɗa zuwa wurin shigarwa ta hanyar bolting, tack-welding, cikakken walda ko turmi, kuma ya kamata a zaɓi nau'in ɗamara mai dacewa bisa ga hanyar shigarwa.PTFE yakamata a kiyaye shi sosai daga spatter weld, fenti, swarf na karfe da sauransu, yayin shigarwa.

A cikin kewayon aikace-aikace, PTFE Slide bearings sun fi faranti na faɗaɗa na al'ada, rollers da nau'in hannu na rocker.Suna tallafawa masana'antar petrochemical, injuna masu nauyi, bututu, gine-gine da gada;suna ɗaukar faɗaɗawa, ƙanƙancewa da sauran motsin motsi na kowane tsari da ke motsawa a sakamakon ƙarfin zafi, girgizar ƙasa ko bambance-bambance.

Bearings don irin waɗannan aikace-aikacen dole ne su yi aiki a babban lodi da ƙananan gudu, kuma a ƙarƙashin waɗannan yanayi ne kawai kayan shafan kai na PTFE suna da iyaka.Wannan al'amari, tare da ba shi da sandar-zamewa da halayen hana yanayi, shine dalili na dalilin da ya sa PTFE ya tabbatar da samun nasara sosai a matsayin kayan ɗaukar hoto.

Amfani

1 Sauƙaƙan ƙirar ƙira da sauƙi na ƙirƙira da shigarwa yana sa rukunin ya zama mai inganci.2 Za a iya rage farashin gini ta hanyar ƙira don faɗaɗawa maimakon damuwa. mafi munin yanayi.4 The bearings ne goyon baya free - PTFE ne inherently kai-lubricating, yayin da datti barbashi suna tunawa a cikin kayan.Ana buƙatar kariya mai sauƙi kawai daga ƙazantar datti mai mahimmanci.

Ƙididdigar Ƙarfafawa

Ƙididdigar juzu'i na kayan PTFE ya dogara da yawancin masu canji, gami da matsa lamba, saurin zamiya da zafin jiki.An raba ra'ayi game da tasirin wasu masu canji, ko da yake an yarda cewa babban matsin lamba da ƙananan saurin gudu suna goyan bayan ƙananan juzu'i.

Ƙididdigar ƙididdiga ta ƙasa da na kowane ingantaccen kayan aikin injiniya.An ba da rahoto daban-daban daga 0.02 zuwa 0.2, amma wannan ya dogara da shirye-shiryen saman da hanyar gwaji.Jadawalin kaya / juzu'i yana nuna tasirin lodi.

Gabaɗaya, ƙimar juzu'i tsakanin mating surface da PTFE slide bearing pad zai kasance a ƙaƙƙarfan lokacin da damuwa a cikin PTFE ya kasance a matsakaicin (daidai da iyakokin da aka yarda da su na creep), an yi ƙarfin daga PTFE da ba a cika ba, kuma Ƙarshen mating surface yana da goge sosai.

Bugu da kari, daya daga cikin mafi muhimmanci frictional halaye na PTFE shi ne rashin 'stick-slip', domin sabanin duk sauran na al'ada bearings, a tsaye gogayya na PTFE daidai ko kuma kawai a gefe mafi girma fiye da tsauri gogayya.