he yarn tare da maki launi daban-daban a haɗe zuwa saman zaren ana kiransa yarn dige mai launi. Ana amfani da yarn ɗigon launi galibi don yin yadudduka da aka saƙa, saman zane yana ba da siffar ɗigon tauraro, yana ba mutum kyakkyawa, jin daɗi. Launi mai launi har yanzu yana iya haifar da yarn mai launi mai filamentous, ruwan ruwan siliki, yarn mai tsayi, yarn mai ɗanɗano. Bugu da ƙari, ana amfani da yarn dige mai launi a cikin woolen, irin su wuta a cikin tweed (tweed), an yi shi da yarn dige mai launi.

Ci gaban kasuwar yarn dige mai launi ta ƙasa da ƙasa yana da ɗan kwanciyar hankali. Bukatar zaren dige ya fi girma a Amurka, kuma yana ƙara bayyana a cikin ƙasashen Turai, da kuma kasuwanni masu tasowa kamar Rasha. Ƙasashen Turai da Amurka suka kora, buƙatun kasuwannin duniya na zaren launi na girma.

Za'a iya raba juzu'in zaren ma'ana mai launi zuwa matakai biyu: ɗayan shine yin mataki na yarn mai launi, ɗayan kuma shine matakin jujjuyawar yarn mai launi. Gabaɗaya, kowane nau'in gajerun zaruruwa ana fara yin su ne zuwa ɓangarorin, waɗanda ake ƙara su a cikin tsarin jujjuyawar bayan rini. Dukansu kayan aikin auduga da kayan kadi na ulu za a iya shafa su don yin barbashi na ulu. Misali, zaku iya amfani da fiber mai launi mai launi don yin ɓangarorin launi, fararen barbashi da aka rina da zaren filaye na halitta don ƙarawa a cikin kadi, ko farar maki gauraye da tsadar zaren zaren rini, maki rini ɗaya bayan saƙa a cikin zane, ta yadda masana'anta surface bayyana m launi maki.

Yaren dige mai launi yawanci ana jujjuya shi ta hanyar haɗa ɗigon ɗigo masu launi waɗanda ke ɗauke da “dige masu launi” tare da ɗigo masu launi na yau da kullun. Hakanan akwai buƙatun fasaha daban-daban don samar da yarn mai launi a cikin kowane tsari.

A cikin tsaftacewa tsari, bisa ga buƙatun na samar da barbashi auduga Rolls, barbashi sanya a cikin barbashi samar tsari suna gauraye da al'ada auduga zaruruwa a cikin akwatin auduga, da kuma ciyar da yawa ana sarrafa proportionally ta hanyar wucin gadi barbashi ciyar bayan. na'ura, don haka barbashi suna mirgine a cikin akwatin auduga, ta yadda daidaitaccen rarraba yarn ɗin ya dace da bukatun.

A cikin aikin katin auduga, diddigin murfin murfin da saman kafa na katin wanda ke samar da tarkace yana jujjuya shi, kuma a dakatar da farantin murfin, ta yadda zaren da ke yawo tsakanin saman allura biyu ya sami ɓangarorin ta hanyar shafa da birgima. A lokaci guda, silinda da farantin murfin suna haɓaka, don haɓaka matakin shafan fiber da ke iyo tsakanin saman allura biyu. Cire wukar cire ƙurar, ƙara ƙaramar ƙasa mai ɗigo, ƙara saurin juzu'in juzu'i yadda ya kamata, ta yadda za a taka rawar fara tsefe. Ƙara girman Silinda da rabuwar doffer, don haka fiber a cikin Silinda da doffer allura surface sau da yawa baya flower, sau da yawa a cikin wurin aiki, sa barbashi kusa.

A cikin coarsening tsari, da barbashi tube da na al'ada tube za a iya ciyar a cikin na farko zanen inji bisa ga tsari rabo. Bayan an haɗa nau'ikan guda biyu, za a rarraba barbashi daidai gwargwado a cikin sassan. A cikin waɗannan matakai guda biyu, saboda yawan adadin barbashi da ke ƙunshe a cikin whisker, yana da sauƙi don iska da abin nadi a cikin tsarin tsarawa, kuma ana iya rage saurin abin nadi yadda ya kamata. Lokutan zane ya kamata su zama ƙanana, roving ɗin ya zama ƙanana, kuma ya kamata a ƙara juzu'in juzu'i don ƙara ƙarfin ɗaure tsakanin barbashi da whisker. Matsakaicin juzu'i gabaɗaya shine 15% ~ 20% sama da na yarn na yau da kullun.

A cikin tsarin jujjuyawar, saboda ƙarancin katin fiber na barbashi na ɓangarorin sliver, barbashi na zaren spinnability da raguwar ƙarfin yarn, yana da sauƙin karye, don haka a haɓaka daftarin yanki daidai (sau 1.7), kuma wanda ya dace ya haɓaka abin nadi. Nisa na tsakiya, saurin igiya kusan 20% ƙasa da yarn na al'ada, yarn murɗa factor 5% ~ 10% fiye da yarn na yau da kullun, An zaɓi zoben ƙarfe mai madauwari mai girma don sa barbashi su wuce cikin sauƙi. Matakan da ke sama na iya rage raguwar yarn kuma inganta ingantaccen samarwa.