M'dziko lamakono, kusefa kwakhala kofunikira pakupanga ndi moyo wa anthu chifukwa cha kuipitsidwa kwa chilengedwe komwe kumachitika chifukwa cha chitukuko cha zachuma ndi chikhalidwe cha anthu. Kulekanitsa zinthu zosasungunuka ndi madzi pozidutsa mu chinthu choboola kumatchedwa kusefa.
Msika wosefera ndi umodzi mwa magawo omwe akukula mwachangu kwambiri mumakampani osaluka. Kuwonjezeka kwa kufunikira kwa mpweya wabwino ndi madzi akumwa kwa ogula, komanso malamulo okhwima padziko lonse lapansi, ndiye zinthu zofunika kwambiri zomwe zimapangitsa kuti msika wosefera ukhale wosavuta. Opanga zosefera akuyang'ana kwambiri pakupanga zinthu zatsopano, ndalama, ndi kukula kwa misika yatsopano kuti akhale patsogolo pa gawo lofunikali la osaluka.
Kulekanitsa zinthu zolimba ndi zakumwa kapena mpweya pogwiritsa ntchito njira zosefera nsalu ndi gawo lofunika kwambiri pa ntchito zambiri zamafakitale, zomwe zimathandiza kuti zinthu zizikhala zoyera, kusunga mphamvu, kugwiritsa ntchito bwino njira, kubwezeretsa zinthu zamtengo wapatali komanso kuwongolera bwino kuipitsa. Kapangidwe kovuta komanso makulidwe a zinthu zoluka, makamaka zolukidwa ndi zosalukidwa, zimathandiza kusefa.
Nsalu yoseferandi malo omwe kusefera kumachitikadi. Nsalu yosefera imayikidwa pamwamba pa mbale yosefera. Pamene matope akudyetsa chipinda cha mbale yosefera, matopewo amasefedwa kudzera mu nsalu yosefera. Zinthu zazikulu zosefera zomwe zili pamsika masiku ano ndi nsalu yosoka komanso yosalukidwa (yosalukidwa). Nsalu zambiri zosefera zimapangidwa kuchokera ku ulusi wopangidwa monga polyester, polyamide (nayiloni), polypropylene, polyethylene, PTFE (teflon), komanso nsalu zachilengedwe monga thonje. Nsalu yosefera ngati njira yofunika kwambiri yosefera imagwiritsidwa ntchito kwambiri mu migodi, malasha, zitsulo, makampani opanga mankhwala, kukonza chakudya ndi mafakitale ena okhudzana ndi izi omwe amafunikira kulekanitsidwa kwa madzi olimba.
Ubwino wa nsalu yosefera ndi wofunikira kwambiri pakukweza magwiridwe antchito a makina osefera. Pofuna kutsimikizira ubwino wa nsalu yosefera, ubwino wa pamwamba, kulumikizidwa ndi mawonekedwe ake ndi zinthu zofunika kwambiri. Opereka makina osefera abwino amafufuza mozama makampani ndi momwe kasitomala aliyense amagwiritsira ntchito kuti athe kusintha nsalu yosefera kuti igwirizane ndi zosowa za kasitomala aliyense, kuyambira zinthu zachilengedwe mpaka zinthu zopangidwa ndi feliti.
Opanga zinthu zosefera ambiri azindikira kuti kuonetsetsa kuti makasitomala awo ayankha mwachangu ndiko kokhutiritsa kwambiri makasitomala awo. Amagwira ntchito ndi ogulitsa odalirika omwe ali pafupi ndi malo osonkhanitsira kuti atsimikizire kuti akhoza kupereka nsalu yosefera yomwe ikufunika pa ntchito inayake. Kuti akwaniritse izi, opanga nsalu zosefera ambiri ayika ndalama muzinthu zabwino kwambiri.makina odulira a laserkuchokeralaser yagolideApa, mawonekedwe enieni a nsalu amapangidwa ndi mapulogalamu a CAD ndipo amasinthidwa kukhala makina odulira a laser mwachangu kuti atsimikizire kulondola, liwiro komanso mtundu wake wotsimikizika.
Chitsanzo cha goldenlaserMakina odulira laser a JMCCJG-350400LD okhala ndi mtundu waukulu wa CO2Yapangidwa mwapadera kuti idulire nsalu zosefera zamafakitale mwachangu komanso molondola. Dongosolo lodulira la laser ili ndi ubwino waukulu pakugwiritsa ntchito zinthu zosefera. Kapangidwe kotsekedwa bwino ndi kukula kwa tebulo (kutalika ndi m'lifupi) kwa 3,500 x 4,000 mm. Kapangidwe ka raki ndi pinion kawiri kamene kamayendetsa liwiro lalikulu komanso kuthamanga kwambiri komanso kulondola kwambiri.
Kukonza kosalekeza komanso kodzipangira wekha pogwiritsa ntchito makina onyamulira katundu ophatikizidwa ndi chipangizo chodyetsera zinthu kuchokera mu mpukutu.Chipangizo cholumikizirana chomasula chimalolanso kudula nsalu ziwiri.
Kuphatikiza apo, njira ya laser yotenthetsera imatsimikizira kuti m'mbali mwake mutsekedwa podula nsalu zopangidwa, motero kupewa kusweka, zomwe zimapangitsa kuti kukonza pambuyo pake kukhale kosavuta. Laser imathandizanso kukonza zinthu zazing'ono komanso kudula madontho ang'onoang'ono omwe sangapangidwe ndi mipeni. Kuti pakhale kusinthasintha kwakukulu, pali malo owonjezera olembera pafupi ndi laser kuti athandize njira yosokera yotsatira.