DAVID LARCOMBE
A masana'antar kera tireloli ta Bolton, Lancashire, Ingila, Indespension, yawan aikin yanke ƙarfe ya ninka bayan maye gurbin injin CO2 mai amfani da laser a watan Disamba na 2016 tare da cibiyar tantance laser ta Bystronic ByStar Fiber 6520 wacce ta kashe kusan £800,000 (kimanin dala miliyan 1.3; HOTO NA 1). Laser ɗin fiber ɗin 4kW yana da gadon ɗaukar nauyin 6.5 × 2m, wanda hakan ya sa ya zama mafi girman injin fiber da aka kawo kasuwa zuwa yanzu a Burtaniya.
Daraktan sayayya na Indespension, Steve Sadler, ya yi tsokaci, "Mun yanke galibi ƙarfe mai laushi na 43A da ƙarfe mai kauri na galv, tare da wasu aluminum, daga kauri na 1mm zuwa 12mm. Har zuwa 3mm, laser ɗin fiber ɗin yana yankewa sau uku fiye da CO2. Yana tashi ta cikin ƙarfe 1mm, yana samar da ramuka 10/s. Fa'idar ta ragu yayin da kauri ke ƙaruwa, amma gabaɗaya ByStar ya ninka sauri a duk ma'aunin da muke sarrafawa. A bugun jini, ya kawar da ƙalubalen da ke cikin masana'antarmu wanda injin CO2 ya haifar saboda rashin iya ci gaba da aikin yanke laser ɗinmu da ke ƙaruwa."
An sayi na'urar laser mai amfani da fiber a wani ɓangare don samun samfurin Bystronic CO2 mai ƙarfin gaske zuwa Indespension da aka bayar a 2009. Sadler ya tabbatar da cewa an sami farashi mai kyau ga tsohuwar na'urar, duk da cewa tana aiki har zuwa awanni 20 a rana, wanda ya nuna riƙewa mai kyau a matsayin fa'idar siyan kayan aiki daga wannan masana'anta.
Da farko, babban dalilin saka hannun jari a yanke laser shine don cimma babban matakin iko a cikin gida kan samar da tireloli da kuma adana kuɗin da ake kashewa wajen aiwatar da aiki ga ƙananan 'yan kwangila na ƙarfe. Wani muhimmin abin la'akari shi ne a sauƙaƙe tsarin ƙira da ƙira da kuma kawo sabbin kayayyaki kasuwa cikin sauri.
"Kafin shekarar 2009, a lokacin haɓaka samfura dole ne mu sayi sassa ɗaya, biyu, ko uku na ƙarfen ƙarfe na samfuri," in ji Sadler. "Ƙananan 'yan kwangila ba su da sha'awar samar da ƙananan adadi, don haka farashin ya kasance mai tsada kuma ya ɗauki su makonni huɗu zuwa shida kafin su isar da samfuran. Idan muna buƙatar yin canjin ƙira kuma mu koma ga ƙaramin ɗan kwangila don ƙarin samfuran samfuri - yana iya zama wani abu mai sauƙi kamar sabon saitin kayan kariya na laka - wanda zai iya ƙara wani wata ko makamancin haka. Yanzu, za mu iya samar da sassan a cikin 'yan kwanaki, rage lokacin jagora ga sabon tirela daga yawanci watanni shida ko bakwai zuwa ƙasa da biyar, ko kuma don tirela da aka gyara daga watanni uku ko huɗu zuwa ƙasa da biyu."
Sadler ya nuna cewa shekaru goma da suka gabata, tireloli kaɗan ne suka haɗa da fasalulluka na yanke laser, yayin da a yau ake amfani da su sosai. Hakika, an tsara samfuran ne bisa ga ƙarfin injinan yanke laser na zamani. Ɗaya daga cikin fa'idodi shine cewa injinan suna da daidaito sosai har kayan aikin suna haɗuwa daidai kuma cikin sauri yayin haɗawa, ba tare da buƙatar ɗaukar lokaci mai tsawo ba.
Wani fa'ida kuma shine injin yana da sauri sosai, musamman ma da laser ɗin fiber, wanda hakan ke sa ya zama hanya mai araha ta cire nauyi daga abubuwan da ke ciki ta hanyar haɗa ramuka da ramuka da yawa. Zai yi wahala sosai don haka ba zai yi tattalin arziki ba a yi shi da hannu.
Na'urar yanke laser tana aiki dare da rana tare da kashe fitilu a lokacin bazara, jimillar awanni 18 zuwa 20 a rana, kwana biyar a mako. A sauran shekara, tana aiki a rana ɗaya kuma tana kashe fitilu na tsawon awanni 10 zuwa 12 a rana.
Indespension ta yanke shawarar kada ta sanya kayan aikin sarrafa kansa saboda tana sarrafa nau'ikan girman takardu iri-iri, wanda hakan ya sa ɗaukar kaya ta atomatik ya zama matsala. Girman kayan aikin suma suna da yawa, tun daga ƙasa da mita 5.8. Saboda haka, halartar mai aiki ya zama dole don sarrafa bambancin, don haka ana amfani da tsarin ɗagawa da hannu don sarrafa takardu (HOTUNA 2).
HOTO NA 2. Ana yin amfani da takardar sarrafa tebur na motar ByStar Fiber 6520 da hannu a Indespension ta amfani da na'urar ɗagawa ta tsotsa.
Wannan yana gabatar wa kamfanin da matsala, duk da haka, idan aikin samarwa ya ƙunshi gida na sassa kaɗan kawai kuma an yanke su daga takardar sirara. Zagayen yankewa yana da sauri a cikin injin laser na fiber wanda mai aiki ba shi da lokacin gama girgiza sassan kwarangwal ɗin da ya gabata kafin a shirya takardar injin da ke gaba, ko kuma don ɗora blank na gaba akan teburin jigilar kaya.
Don haka, kamfanin yana tunanin saka ƙananan alamun a cikin wasu shirye-shiryen yanke ƙarfe don haka sassan da aka tsara za su kasance a haɗe da kwarangwal ɗin, wanda ke ba da damar canja wurin dukkan takardar da aka sarrafa zuwa tashar da ba ta kan layi ba, inda wani memba na ma'aikaci zai iya taimakawa wajen cire abubuwan da aka gyara.
Daga cikin sassan ƙarfe da aka yanke da laser waɗanda ke shiga cikin tirelolin Indespension, kashi 80% suna buƙatar naɗewa. Saboda haka, lokacin da aka sanya injin laser na farko, an kawo birki mai matsewa daga mai samar da shi (HOTUNA 3).
Akwai fa'idodin yawan aiki daga samo injin yanke laser da birki na latsawa daga mai samar da kayayyaki iri ɗaya, domin duk suna amfani da manhajar BySoft 7 iri ɗaya. Lokacin da aka tsara wani sabon sashi a cikin tsarin SolidWorks CAD na Indespension kuma aka fitar da shi zuwa software na sarrafa Bystronic, wanda da kansa ya ƙunshi ƙarfin aikin CAD/CAM na 3D, samfurin yana samar da shiri don yanke laser da kuma jerin lanƙwasa kayan, gami da matsayin baya da tsarin kayan aiki, ta haka rage jinkiri da rashin aiki.
Wannan manhaja, wacce ke da cikakken damar kwaikwayon kwamfuta, tana da alhakin tattara matsakaicin adadin sassa daga takarda, ƙirƙirar tsare-tsare na yankewa da kuma samar da cikakken bayani game da tsarin samarwa, gami da samun damar samarwa da bayanai na injina nan take.
Sadler ya kammala da cewa, "Mun kuduri aniyar jagorantar kasuwa ta fuskar kirkire-kirkire, inganci, da kuma cancantar muhalli." "Samun na'urar laser ta Bystronic fiber tana taimaka mana wajen cimma wadannan manufofi, da kuma samar da karuwar da ake bukata a fannin samar da kayayyaki. Hakan kuma yana nuna jajircewarmu ga masana'antu a Burtaniya, wanda muhimmin bangare ne na ka'idojin kamfaninmu."
