Bangarorin kimiyyar saka

Buga allura da saka mai sauri

A kan injunan saka na zagaye, yawan aiki mai yawa ya ƙunshi saurin motsi na allura sakamakon ƙaruwar adadin ciyarwar saka da injin.saurin juyawaA kan injunan saka na masaka, juyin juya halin injin a minti ɗaya ya kusan ninka sau biyu kuma adadin masu ciyarwa ya ninka sau goma sha biyu a cikin shekaru 25 da suka gabata, ta yadda za a iya saka darussa har zuwa 4000 a minti ɗaya akan wasu injunan da ba su da matsala, yayin da a kan wasu injunan bututu masu sauri marasa matsala.saurin tangentialNauyin allurar zai iya kaiwa fiye da mita 5 a kowace daƙiƙa. Domin cimma wannan yawan aiki, bincike da haɓakawa ya zama dole a cikin ƙirar injina, kyamara da allura. An rage sassan hanyar kyamarar a kwance zuwa mafi ƙanƙanta yayin da aka rage ƙugiya da makulli a duk inda zai yiwu don rage girman motsin allura tsakanin wuraren sharewa da kuma wuraren da za a iya ƙwanƙwasawa. 'Blounge na allura' babbar matsala ce a cikin aikin saka bututun bututu mai sauri. Wannan yana faruwa ne saboda ana duba gindin allurar ba zato ba tsammani ta hanyar tasirin bugun saman kyamarar sama bayan ya yi sauri daga mafi ƙanƙantar wurin ɗinkin. A wannan lokacin, rashin ƙarfi a kan allurar na iya sa ta yi rawar jiki sosai har ta karye; haka nan kyamarar sama tana raguwa a wannan ɓangaren. Allurar da ke wucewa a ɓangaren da aka rasa suna da tasiri musamman saboda gindinsu yana taɓa mafi ƙanƙantar ɓangaren kyamarar kawai kuma a kusurwa mai kaifi wanda ke hanzarta su ƙasa da sauri. Don rage wannan tasirin, ana amfani da kyamarar daban don jagorantar waɗannan gindin a kusurwar da ta fi a hankali. Santsi na cam ɗin da ba layi ba yana taimakawa wajen rage tsalle-tsalle na allura kuma ana samun tasirin birki a kan duwawu ta hanyar rage gibin da ke tsakanin dinki da cam ɗin jefa sama. Saboda wannan dalili, a kan wasu injinan bututu, cam ɗin jefa sama ana iya daidaita shi a kwance tare da cam ɗin ɗinka mai daidaitawa a tsaye. Cibiyar Fasaha ta Reutlingen ta gudanar da bincike mai yawa kan wannan matsala, kuma sakamakon haka, Groz-Beckert ta ƙera sabon ƙirar allurar latch tare da sandar siffa mai siffar meander, ƙaramin santsi, da kuma gajeriyar ƙugiya don injunan saka mai sauri. Siffar meander tana taimakawa wajen wargaza girgizar tasiri kafin ta isa kan allura, wanda siffarsa ke inganta juriya ga damuwa, haka nan kuma ƙaramin bayanin martaba, yayin da aka ƙera makullin mai siffar a hankali don buɗewa a hankali da cikakken bayani akan wurin da aka sanya matashin kai ta hanyar yanke makulli biyu.

Tufafi masu kusanci tare da ayyuka na musamman

Ƙirƙirar Inji/fasahar zamani

An yi amfani da injinan saka na roba na gargajiya wajen yin pantyhose. An fara amfani da injinan saka na roba na RDPJ 6/2 daga Karl Mayer a shekarar 2002 kuma ana amfani da su wajen ƙirƙirar mayafin da aka yi da jacquard da kuma pantyhose na kifi. Injinan saka na MRPJ43/1 SU da MRPJ25/1 SU jacquard tronic raschel daga Karl Mayer suna da ikon samar da pantyhose mai lace da alamu masu kama da sauƙi. An yi wasu gyare-gyare a cikin injina don haɓaka inganci, yawan aiki, da ingancin pantyhose. Matsumoto et al. [18,19,30,31] sun yi wani bincike. Sun ƙirƙiri tsarin saka na gwaji mai haɗaka wanda ya ƙunshi injinan saka na zagaye guda biyu na gwaji. Sassan zare guda biyu da aka rufe a kan kowace injin rufewa. An ƙirƙiri zaren da aka rufe guda ɗaya ta hanyar sarrafa matakan rufewa na jujjuyawar 1500 a kowace mita (tpm) da kuma 3000 tpm a cikin zaren nailan tare da rabon jawowa na 2 = 3000 tpm/1500 tpm don zaren polyurethane na tsakiya. An saƙa samfuran pantyhose a ƙarƙashin yanayi na yau da kullun. An sami mafi girman sheƙi a cikin pantyhose ta hanyar matakin rufewa na ƙasa. An yi amfani da matakan rufewa na tpm daban-daban a yankuna daban-daban na ƙafa don ƙirƙirar samfuran pantyhose guda huɗu daban-daban. Binciken ya nuna cewa canza matakin rufe zaren da aka rufe guda ɗaya a sassan ƙafa yana da tasiri mai mahimmanci akan kyau da kyawun yadin pantyhose, kuma tsarin haɗin gwiwar injiniya zai iya haɓaka waɗannan fasalulluka.