Abubuwan kimiyyar sakawa

Billa allura da saka mai sauri

A kan injunan saka madauwari, mafi girman yawan aiki ya ƙunshi motsin allura da sauri sakamakon haɓakar adadin kayan sakawa da na injin.saurin juyawa.A kan injunan saƙa, jujjuyawar injin a cikin minti ɗaya ya kusan ninki biyu kuma adadin masu ba da abinci ya karu sau goma sha biyu a cikin shekaru 25 da suka gabata, ta yadda za a iya saƙa kusan kwasa-kwasan 4000 a cikin minti ɗaya akan wasu na'urori marasa ƙarfi, yayin da wasu masu girma. -speed sumul tiyo inji dasaurin tangentialna allura na iya zama fiye da mita 5 a sakan daya. Don cimma wannan yawan aiki, bincike da ci gaba ya zama dole a cikin injin, cam da ƙirar allura.An rage sassan waƙoƙin cam ɗin kwance zuwa mafi ƙanƙanta yayin da allura ƙugiya da latches an rage girman su a duk inda zai yiwu don rage girman motsin allura tsakanin wuraren sharewa da ƙwanƙwasa. a high gudun tubular inji saka.Wannan yana faruwa ne ta hanyar duba butt ɗin allura ba zato ba tsammani sakamakon bugun saman saman kyamarar sama bayan ya yi nisa daga mafi ƙasƙanci na cam ɗin ɗinki.A wannan lokacin, rashin jin daɗi a kan allura na iya sa ta girgiza da ƙarfi har ta iya karye;Hakanan cam ɗin-jifa ya zama rami a wannan sashe.Alluran da ke wucewa ko da yake a cikin ɓangaren kuskure suna da tasiri musamman yayin da gindinsu ya tuntuɓi mafi ƙasƙanci na cam kawai kuma a wani kusurwa mai kaifi wanda ke hanzarta su zuwa ƙasa da sauri.Don rage wannan tasirin, ana amfani da cam ɗin daban don jagorantar waɗannan butts a wani kusurwa a hankali.Bayanan martaba masu santsi na cam ɗin da ba na layi ba yana taimakawa wajen rage billa allura kuma ana samun tasirin birki a kan butts ta hanyar kiyaye tazarar da ke tsakanin ɗinki da sama da kyamarori zuwa ƙarami.Don haka, akan wasu na'urorin bututun na'urar na'urar ta sama tana daidaitawa a kwance-daidaitacce tare da cam ɗin ɗinki mai daidaitawa a tsaye. Cibiyar Fasaha ta Reutlingen ta gudanar da bincike mai yawa kan wannan matsala kuma, sakamakon haka, sabon zane na allurar latch tare da tushe mai siffa, ƙarancin bayanin martaba, da guntun ƙugiya yanzu Groz-Beckert ya kera shi don injunan saka madauwari mai sauri.Siffar ma'ana tana taimakawa wajen tarwatsewar girgizar tasirin kafin ta kai ga kan allura, wanda siffarsa ke inganta juriya ga damuwa, kamar yadda ƙananan bayanan ke yi, yayin da aka tsara matsi mai siffa a hankali don buɗewa sannu a hankali kuma gabaɗaya akan wani matashin wuri da aka samar. ta hanyar yanka biyu.

Tufafi na kusa tare da ayyuka na musamman

Ƙirƙirar injina / fasaha

Pantyhose an yi su ne ta hanyar amfani da injunan saka madauwari.Na'urorin saƙa na RDPJ 6/2 daga Karl Mayer an yi muhawara a cikin 2002 kuma ana amfani da su don ƙirƙirar tights mara kyau, jacquard-fatters da pantyhose-net kifi.MRPJ43/1 SU da MRPJ25/1 SU jacquard tronic raschel saka injuna daga Karl Mayer suna iya samar da pantyhose tare da yadin da aka saka da alamu kamar taimako.Sauran haɓakawa a cikin injinan an yi su don haɓaka inganci, haɓaka aiki, da ingancin pantyhose.Ka'idar sheerness a cikin kayan pantyhose shima ya kasance batun wasu bincike ta Matsumoto et al.[18,19,30,31].Sun ƙirƙiri tsarin saƙa na gwaji wanda ya ƙunshi na'urorin saka madauwari biyu na gwaji.Bangarorin yarn guda biyu da aka rufe sun kasance a kan kowane injin rufewa.An ƙirƙiri yadudduka guda ɗaya da aka rufe ta hanyar sarrafa matakan rufewa na 1500 karkatarwa a kowace mita (tpm) da 3000 tpm a cikin yarn nailan tare da rabon zane na 2 = 3000 tpm / 1500 tpm don ainihin yarn polyurethane.Samfurin pantyhose an saƙa a ƙarƙashin yanayi na dindindin.An samu mafi girma a cikin pantyhose ta hanyar ƙananan sutura.An yi amfani da matakan ɗaukar nauyin tpm daban-daban a cikin yankuna daban-daban na ƙafafu don ƙirƙirar samfurori na pantyhose guda hudu. Sakamakon ya nuna cewa canza yanayin suturar yarn guda ɗaya da aka rufe a cikin sassan ƙafar ƙafa yana da tasiri mai mahimmanci a kan kayan ado da ƙananan masana'anta na pantyhose, da kuma kayan aikin injiniya. tsarin zai iya haɓaka waɗannan fasalulluka.