Nkhani - Magawo a Mbiri ya Mkuwa Wamafakitale: Buku Lotsogolera Zida

Momwe Ogula Ayenera Kusankhira Pakati pa Extrusion, Drawing ndi CNC Machining

Tsiku Lofalitsidwa: Ogasiti 22, 2026
Wolemba: Hu Yanwei, Katswiri wa Zaukadaulo wa Zachitsulo za Cymber

Musavomereze chotsukira cha brass-profile kuchokera ku chigawo chomalizidwa.

Kachitidwe kofala ka RFQ ndi kujambula komwe kumakhala ndi dzenje lililonse, chibowo cha H7, makulidwe a pulasitala ndi datum yosonkhanitsira, kutsatiridwa ndi pempho la extruder kuti ipange gawo lonse "lojambula." Imeneyo si dongosolo lopangira. Ndi pempho kwa wopanga die, wowongola, wogwiritsa ntchito macheka, katswiri wa makina ndi woyang'anira kuti apereke umwini wololera mosiyana.

Kulephera kokwera mtengo kumawonekera pambuyo pa kuyesa koyamba. Gawo lopingasa limatha kuchotsedwa, koma malo opezera malo sangasunge malo omwe apemphedwa, khoma lopyapyala limapindika powongoka, kapena wogulitsayo amasiya zinthu zochepa kwambiri pa datum yokhayo yomwe ndi yofunika. Kusunga masenti ochepa pa kilogalamu kwangopanga kukonza kwina kwa die, kutumiza kwina kwa zitsanzo ndi zenera lina lotayika la kupanga.

Magawo a mbiri ya mkuwa wa mafakitaleziyenera kugulidwa ngati unyolo wowongolera, osati ngati mawonekedwe okhala ndi mtengo pa kilogalamu. Wogula ayenera kusankha geometry yomwe ili yoyenera mu extrusion, miyeso yomwe ikufunika kujambula kapena kukula, mawonekedwe omwe ayenera kupangidwa ndi makina, ndi zofunikira zomwe zimagwiritsidwa ntchito pokhapokha atamaliza kukongoletsa pamwamba.

Yankho Lachidule: Kodi Ogula Ayenera Kusankha Bwanji Njira Yopangira?

Sankhani njira ndi gawo lopitilira, kukhwima kwa kapangidwe, kuchuluka kwa magawo ovomerezeka, kuchotsa zinthu, kulekerera kofunikira komanso momwe pamwamba pake pangakhalire. Gwiritsani ntchito bala kapena mbale yokhazikika kuphatikiza CNC pa zitsanzo, mapangidwe osakhazikika komanso kuchuluka kochepa. Gwiritsani ntchito extrusion yapadera pamene gawo lokhazikika lokhazikika lingachotse chitsulo chofunikira ndi nthawi yopangira. Onjezani zojambula zozizira kapena kukula kokha pamene geometry ndi alloy zikuthandizira. Gwiritsani ntchito extrusion kuphatikiza CNC pa H7 yoyenerera m'deralo, mabowo okhudzana ndi datum, nkhope zotsekera ndi zinthu zina zomwe die ya extrusion sayenera kunyamula. Yerekezerani mtengo wonse wogwera pa gawo lililonse lovomerezeka, osati mtengo wa chida kapena mtengo wachitsulo wokha.

M'ndandanda wazopezekamo

Kodi Magawo a Mbiri ya Mkuwa wa Mafakitale ndi Chiyani?

Zigawo za mkuwa wa mafakitale ndi zinthu zazitali zomwe zimakhala ndi gawo lofanana, zomwe nthawi zambiri zimapangidwa ndi kutentha kotentha kenako nkuwongoledwa, kudulidwa, kukokedwa, kupangidwa ndi makina kapena kumalizidwa malinga ndi momwe ntchitoyo ikufunira.

Gawoli likhoza kukhala lolimba, lotseguka, lopanda dzenje kapena lopanda dzenje, koma magulu amenewo ndi njira zogwiritsira ntchito zida ziyenera kutsimikiziridwa ndi chotulutsira. Chithunzi cha njira ya U sichimauza mainjiniya za ma radii amkati, kugawa kwa khoma, kuya kwa malo, kutalika kolinganizidwa kapena njira ya datum.

Mawu akuti "mafakitale" samatanthauzanso gulu la alloy, standard kapena tolerance. Amalongosola momwe ntchito ikuyendera. Mbiri ikhoza kukhala gawo la valavu, thupi lolumikizira magetsi, njanji yotsogolera, chinthu chotseka, gawo losamutsa kutentha, gawo la chida kapena hardware yopangidwa ndi makina yopanda kanthu. Ntchito iliyonse imakana zigawo pazifukwa zosiyanasiyana.

Kuti mudziwe zambiri zokhudza zinthu ndi mawonekedwe a zinthu, onaninso za Cymber Metal'szinthu zamkuwa ndi mitundu ya zinthuPa oda yokonzedwa mwamakonda, chojambulacho chimafunikirabe mawonekedwe enieni a aloyi, olamulira muyezo wa chinthucho, momwe chilili, gawo lopingasa, kutalika, kulolerana ndi dongosolo loyang'anira.

Musasokoneze mbiri ya magawo okhazikika ndi gawo lililonse lalitali la mkuwa. Shaft yozungulira yopangidwa ndi bar yozungulira, thupi la valavu yopangidwa ndi pulasitiki yopindika ndi njira yopindika yonse ikhoza kukhala yayitali kapena yooneka ngati yofanana, koma imagwiritsa ntchito njira zosiyanasiyana zopangira ndi zowongolera zovomerezeka.

Perekani Chofunikira Chilichonse ku Ndondomeko

Njira yachangu kwambiri yoyeretsera RFQ ndikulemba amene wapanga ndi amene watsimikizira chilichonse.

Chofunikira	Ntchito yoyang'anira yoyamba	Zimene chithunzi kapena PO ziyenera kunena	Cholakwika cha kugula
Aloyi ndi mkhalidwe	Kusankha zinthu, kusungunula ndi njira yotenthetsera	Kusankhidwa kolondola, muyezo, chikhalidwe ndi zofunikira za satifiketi	Kufunsa "mkuwa wachikasu" kapena kuganiza kuti giredi yakomweko ndi yofanana ndi yanu
Gawo lokhazikika	Kuchotsa die ndi kuwongolera kuyenda kwa chitsulo	Gawo lonse la CAD, miyeso yofunika, ma radii ndi gawo lopangira makina	Kugwiritsa ntchito kulekerera kolimba pa khoma lililonse, malo ndi bwana aliyense
Kugwirizana kwa gawo	Kutulutsa zinthu pamodzi ndi kujambula kapena kukula komwe mungasankhe	Malo oyezera ndi ngati zofunikirazo zikugwira ntchito monga momwe zasonyezedwera kapena pambuyo pa kukula kwake	Kungoganiza kuti zojambula zozizira zimapezeka pa gawo lililonse lovuta
Kuwongoka ndi kupindika	Kuziziritsa, kutambasula, kuwongola ndi kudula kutalika	Kutalika kolamulidwa, mkhalidwe wothandizira, kutalika kwa geji ndi malire am'deralo kapena onse	Kuvomereza chiphaso cha 300 mm cha oda ya 3 m
Kutalika kwa kudula ndi mawonekedwe ake	Kudula ndi kuchotsa zinyalala	Kulekerera kutalika, sikweya, burr ndi chitetezo cha kumapeto	Kuona kulekerera kwa macheka ngati mphamvu yofa
Mabowo, matumba ndi kulondola koyenera	CNC, kuboola, kupangira kapena njira ina yachiwiri	Ma datum ogwira ntchito, kulolerana kwa malo, kalasi yoyenera ndi njira yowunikira	Kuyembekezera kuti chotenthetsera cha extrusion chipange H7 bore
Miyeso yophimbidwa kapena yopukutidwa	Kukonzekera pamwamba ndi zokutira	Miyeso isanamalizidwe komanso yomaliza, malo ofunikira komanso makulidwe	Kuyeza musanapange plating pamene kusonkhana kumachitika pambuyo pa plating
Kuvomereza komaliza	Kuyang'anira ndi kulongedza	Tanthauzo la malo, chitsanzo cha dongosolo, malipoti, nkhope zowonekera ndi kulongedza	Kugwiritsa ntchito satifiketi ya zinthu ngati umboni wosonyeza kufanana kwa miyeso

Mapu a umwini awa ndi ofunikira chifukwa kulekerera kumakhala ndi mtengo pokhapokha ngati kukugwirizana ndi ntchito yomwe ingathe kuipanga.

Mbiri ikhoza kukhala ndi mawonekedwe akunja osagwira ntchito bwino komanso mawonekedwe opangidwa ndi makina am'deralo olamulidwa ndi dongosolo lolimba la datamu. Izi nthawi zambiri zimakhala zokhazikika kuposa kukakamiza kulondola mu extrusion yonse.

Yerekezerani Njira Zazikulu Zopangira

Palibe kufananiza kwakukulu kwa njira popanda kufunikira kwa pachaka, kutalika kwa magawo, kukhazikika kwa kapangidwe ndi dera la magawo.

Njira 1: Makina Opangira Miyala Yokhazikika ya Brass Plus Full CNC

Yambani ndi bala wamba, mbale kapena mawonekedwe ena omwe alipo ndipo chotsani zinthu zosafunikira.

Njirayi imapewa kugwiritsa ntchito zida zapadera zotulutsira zinthu ndipo imayankha mwachangu kusintha kwa mapangidwe. Nthawi zambiri imakhala chisankho choyenera cha zitsanzo, zida zogwirira ntchito, kuchuluka kochepa ndi ma geometri omwe amayendetsedwa ndi zinthu zosapitirira.

Chilango cha malonda chikubwerezedwanso. Lamulo lililonse lobwerezabwereza limalipiranso chifukwa cha mkuwa wochulukirapo, nthawi yopindika, zida, kusamalira tchipisi, kuyang'ana komanso mwina kusokonekera chifukwa cha kuchotsa zinthu zosafanana.

Ngongole yosafunikira ingathe kuchepetsa kutayika kwa chitsulo, koma siibweza ndalama maola ogwirira ntchito kapena kutumiza mochedwa.

Njira Yachiwiri: Kukonza ndi Kudula Zotentha Zopangidwa Mwapadera

Diya yopangidwa mwamakonda imapanga gawo lokhazikika la neti. Izi zitha kuchepetsa kulemera kopanda kanthu komwe kwagulidwa komanso makina obwerezabwereza ngati mbiriyo ili yokhazikika komanso kuchuluka kwake kuli kokwanira.

Ikuyambitsanso mtengo wokhazikika, chiopsezo cha kuyesa, ndalama zochepa zopangira komanso vuto latsopano lowongolera kukonzanso.

Ma profiles apadera a extrusion a mkuwaZimakhala zokopa kwambiri pankhani ya malonda pamene gawolo likuchotsa zinyalala zambiri zomwe zimabwerezedwanso popanda kuyika zinthu zolondola zapafupi mu die.

Njira Yachitatu: Kutulutsa Kowonjezera Kujambula Kozizira kapena Kukula

Kujambula kozizira kapena ntchito ina yofanana ndi kukula kwake kungathandize kuti zinthu zikhale zowongoka, zowongoka kapena zapamwamba pazida zoyenera kugwiritsa ntchito.

Zingasinthenso momwe makina amagwirira ntchito, kuwonjezera zosowa zapakati pa kutentha komanso kufunikira zida zina.

Musawonjezere mawu akuti "cold drawn" ku RFQ ngati chiganizo chabwino. Funsani kuti ndi chofunikira chiti chomwe chikufunika kuyezedwa ndi ntchitoyo komanso ngati mawonekedwe omwe akuperekedwa angadutse munjira imeneyo popanda kusokoneza kosavomerezeka kapena zovuta pakugwiritsa ntchito zida.

Njira 4: Makina a Near-Net Extrusion Plus Local CNC

Njira yosakanikirana iyi nthawi zambiri imakhala yankho lothandiza pa mafakitale obwerezabwereza.

Diya imapanga gawo lokhazikika lomwe limagwira ntchito bwino kwambiri. Ntchito za CNC zimapanga mabowo, mabowo, ulusi, nkhope za datum, kutseka malo ndi malo ogwirira ntchito.

Zachitsulo za Cymberchithandizo chabwino cha makinaimapereka maziko a kukonza kwachiwiri, koma zida zenizeni, kulekerera komwe kungatheke, kuchuluka kwa kuwunika ndi mphamvu ya batch ziyenera kutsimikiziridwa motsutsana ndi zojambulazo.

Njira 5: Mzere Wopangidwa, Wopanga kapena Njira Yina

Njira yopyapyala komanso yotseguka ingakhale yotsika mtengo kwambiri kuchokera ku mzere wopangidwa kuposa kuchokera ku chotulutsira cholemera. Thupi lopanda katundu wambiri lingakhale loyenera kupangira ndi kupangira. Gawo losavuta lozungulira lingakhale pa njira yokhazikika.

Izi si njira zotsika mtengo. Zimayankha mikhalidwe yosiyanasiyana ya geometry ndi voliyumu.

Njira	Chogwiritsira ntchito champhamvu	Chitsimikizo chachikulu chokhazikika	Mtengo waukulu wobwerezabwereza	Ogula zoopsa nthawi zambiri amasowa
Katundu wamba + CNC	Chitsanzo, voliyumu yochepa, kusinthidwa pafupipafupi	Makonzedwe ndi mapulogalamu	Chitsulo chowonjezera ndi nthawi yopangira makina	Chiyambi chotsika mtengo, kubwerezabwereza kokwera mtengo
Kutulutsa mwamakonda + kudula	Gawo lokhazikika lokhazikika, voliyumu yobwerezabwereza	Kufa, mayesero ndi ziyeneretso	Kutembenuza, kuwongola ndi kudula	Kugawanika kwa magawo kungakhale kotheka pomwe mawonekedwe a kutalika konse sikofunikira
Kutulutsa + kujambula kapena kukula	Gawo logwirizana lomwe likufuna kusinthasintha kwabwino	Zipangizo zotulutsira ndi zojambula	Kukonza kowonjezera ndi chithandizo chotenthetsera chomwe chingatheke	Poganiza kuti mbiri iliyonse yopanda kanthu kapena yosagwirizana ikhoza kujambulidwa
Kutulutsa kwapafupi ndi ukonde + CNC	Bwerezani magawo okhala ndi mawonekedwe olondola am'deralo	Die, masewera ndi ziyeneretso	Kuchepetsa makina opangidwa ndi makina komanso kuyang'aniridwa kwachiwiri	Zochepa kwambiri zogwirira ntchito pambuyo pa kusintha kwa extrusion
Mzere wopangidwa kapena wopangira	Zigawo zoonda kapena matupi osasunthika	Zipangizo zopangira mipukutu kapena zopangira	Kumaliza ndi kukonza njira yeniyeni	Kuyerekeza zinthu zosiyana ndi mtengo wa kilogalamu yokha

Kuti mudziwe zambiri za ndondomekoyi, onaninjira zotulutsira mkuwa ndi zosankha za mbiri.

Chitani zitsanzo zake ngati maziko. Njira yeniyeni iyenera kuyesedwa molingana ndi alloy yomwe ilipo, chitsanzo cha CAD ndi momwe dongosolo lilili.

Zosankha Zogwiritsa Ntchito Zomwe Zimalamulira Kubereka

Diyi yopangidwa mwamakonda simangotengera malire a CAD. Imalamulira momwe chitsulo chotentha chimagawikira, chimafulumizitsa komanso chimatulukira mozungulira khoma lililonse, bosi, mlatho ndi lilime la diyi.

Mipata yopapatiza kwambiri, malilime ofooka, kusintha kwadzidzidzi kokhuthala mpaka kopyapyala, ngodya zakuthwa zamkati komanso kufalikira kwamphamvu kwa misa kungapangitse kuti kuyenda bwino kwa madzi ndi moyo ukhale wovuta.

Kapangidwe ka zinthu kangakhale kotheka mwaukadaulo koma koipa pamalonda chifukwa kusintha kwa zinthu, kuchira pang'ono kapena kutulutsa zinthu pang'onopang'ono kumawononga kusungidwa kwa zinthu zongopeka.

Funsani mafunso awa musanatulutse zida:

Ndi miyeso iti yomwe imayendetsedwa bwino komanso yofunika kwambiri?
Kodi ngodya yakuthwa ikhoza kukhala radius yogwira ntchito?
Kodi kugawa makoma kungapangidwe kukhala koyenera popanda kusintha kapangidwe kake?
Ndi nkhope ziti zomwe zimafunikira masheya opangidwa, ndipo ndi masheya angati omwe atsala pamlingo wolekerera kwambiri?
Kodi malo ozama amafunika extrusion, kapena kodi angatsegulidwe ndi kucheka kapena CNC?
Kodi mbiriyo idzagwiridwa bwanji, kutambasulidwa, kuwongoledwa ndi kuyezedwa?
Kodi ndi kutalika kotani komwe kudzagwiritsidwe ntchito poyang'anira chinthu choyamba?
Ndani ali ndi udindo pa kukonza, kukonza, kukonza ndi kusintha zinthu?
Ndi kusintha kotani komwe kwalembedwa kapena kulumikizidwa ndi die?
Ndi chochitika chiti chomwe chimayambitsa kuyenerera pambuyo pokonza, kukonza kapena kusintha?

Musavomereze chiŵerengero cha khoma, radius kapena lilime chomwe chilipo popanda kutchula alloy yeniyeni, bwalo lozungulira, kukanikiza, kalasi ya gawo ndi kutalika kolinganizidwa.

Wopereka akhoza kupereka malamulo a kapangidwe kake, koma kuthekera komaliza ndi kwa kuwunika kwa DFM komwe kumapangidwa.

Zitsanzo zazotulutsira zamkuwa zopangidwa ndi mawonekedwe apaderaZingathandize ogula kukambirana za mawonekedwe a nthaka, koma chithunzi chomwe chilipo sichikugwirizana ndi gawo latsopano. Maonekedwe ofanana sasonyeza kufanana kwa kayendedwe ka madzi, kuwongolera kapena kuwunika komwe kumachitika.

Chilolezo cha zida chiyenera kukhala ndi zipata zodziwika bwino:

Kutulutsidwa kwa DFM → kujambula kolamulidwa → kuyesa koyamba → kukonza ngati pakufunika → nkhani yoyamba yonse → kuvomerezedwa komaliza kwa chitsanzo → kutulutsidwa kopangidwa

Ngati wogula asiya kuyesa kwa nthawi yayitali kuti afupikitse kuyenerera, kupotoza kapena kupotoza komwe kumachitika kungawononge ndalama zambiri kuposa katundu woyeserera.

Ikani Kulekerera ndi Ntchito

"Miyeso yonse ± 0.05 mm" nthawi zambiri si njira yodziwira kuchuluka kwa zinthu zomwe zingagwiritsidwe ntchito.

Kulekerera kwa zinthu zonse kuyenera kutsata muyezo wolamulira wa malonda kapena tebulo la ogulitsa lomwe lavomerezedwa. Makhalidwe ofunikira ayenera kuzindikirika padera, ndi malo oyezera ndi momwe zinthu zilili.

Miyezo monga ASTM B16/B16M ya ndodo ya mkuwa yodulidwa momasuka, mipiringidzo ndi mawonekedwe kapena EN 12167 ya ma profiles a mkuwa ndi alloy a mkuwa angapereke dongosolo la mgwirizano.

Palibe chimodzi mwa izi chomwe chiyenera kutchulidwa popanda kutsimikizira alloy, mawonekedwe a chinthucho, momwe chilili, kukula kwake ndi mtundu wake wamakono.

Banja lolekerera	Chitsanzo	Njira yabwino yowongolera
Kukula kwa gawo lopingasa	Khoma, mpata wa njira, envelopu yonse ndi udindo wa bwana	Ikani chizindikiro pa CTQs pa chithunzi cha gawo; gwiritsani ntchito muyezo womwe mwagwirizana pa miyeso yosafunikira
Fomu mkati mwa gawo	Kusalala kwa malo, ngodya, mawonekedwe kapena kupindika kwapafupi	Fotokozani kutalika kwa muyeso, malo olumikizirana ndi ngati pamwamba pake pakonzedwa pambuyo pake
Maonekedwe a kutalika kwa nthawi yayitali	Kuwongoka, uta, camber ndi kupindika	Kutalika kwa boma, thandizo la boma lodziyimira palokha, kutalika kwa geji, malire am'deralo ndi malire onse
Mkhalidwe wodula	Kutalika kwa kudula, sikweya yomaliza ndi burr	Fotokozani momwe matabwa adadulidwira, kuchotsedwa kwa matabwa ndi kuwunika komaliza
Ubale wopangidwa ndi makina	Malo a dzenje, kukula kwa chibowo, ulusi ndi nkhope ya datum	Gwiritsani ntchito GD&T yomalizidwa ndikuyang'ananso mukamaliza kukonza
Kumanga komaliza pamwamba	Kuphimba kapena kuphimba nkhope zosiyana	Tchulani malo ofunika, makulidwe ndi miyeso isanayambe komanso itatha kumalizidwa.

Kuyenerera kwa H7/h6 kumatsimikizira mfundo imeneyi.

Kuti muyike 20 mm mu kukula kwa ISO 286 kwa 18 mpaka 30 mm, tsatirani izi:

Bowo la H7:20.000 mpaka 20.021 mm
shaft ya h6:19.987 mpaka 20.000 mm

Malire amenewo ndi oyenera pa ntchito zomaliza ndi kuyang'anira bwino, osati lonjezo losavuta pa kutsegula kosaphika kotentha. Tsimikizani mtundu wa ISO woyenera ndi kapangidwe koyenera ka gawolo.

Kutentha kumakhala kofunikira pamene malire a miyeso achepa. ISO 1 imagwiritsa ntchito 20°C ngati kutentha koyenera poyesa miyeso.

Mbiri yofunda ndi choyezera choziziritsa zingayambitse mkangano wabodza pamene palibe mbali iliyonse yomwe imalemba kutentha kwa gawo, nthawi yokhazikika kapena njira yoyezera.

Kumaliza kumasinthanso kukula. Kupaka ma plating kumamanga zinthu pamene kupukuta kumachotsa, ndipo palibe njira iliyonse yomwe imagwira ntchito mofanana m'mphepete, m'malo obisika komanso m'malo olumikizirana ndi ma rack.

Chojambulacho chiyenera kufotokoza malire omwe angagwiritsidwe ntchito musanamalize ndi omwe angagwiritsidwe ntchito pa mkhalidwe womaliza wosonkhanitsidwa.

Kuwongoka sikungachepe kufika pa “0.5 mm/m” popanda kutanthauzira.

Kodi malire amenewo ndi a m'deralo pa mita imodzi, malire okwana kutalika konse kolamulidwa, kapena zonse ziwiri? Kodi gawoli limathandizidwa bwanji? Kodi datum ndi malo ati?

Kupotoza kuyeneranso kukhala ndi njira yakeyake yozungulira kapena yopingasa. Mbiri ikhoza kukhala yowongoka m'mphepete mwa mbali imodzi pomwe nkhope yake yogwira ntchito imazungulira kunja kwa malo osonkhanira.

Sankhani Aloyi Musanazizire Die

Kusintha alloy pambuyo povomerezedwa ndi die si njira yosinthira zinthu.

Ikhoza kusintha khalidwe la ntchito yotentha, kuyenda kwa chitsulo, mphamvu, momwe makina amagwirira ntchito, mtundu wa pamwamba, khalidwe la dzimbiri, ndi momwe zinthu zilili.

Chofunikira pakugula	Funso lofunika	Zotsatira za njira yopangira
Kuboola mobwerezabwereza, kutembenuza kapena kugaya	Kodi C36000 kapena mkuwa wina wopangidwa ndi makina ungakwaniritse zofunikira pa ntchito ndi malamulo? ASTM B16/B16M nthawi zambiri imagwiritsidwa ntchito pa ndodo, mipiringidzo ndi mawonekedwe a C36000.	Kuwongolera bwino kwa chip kungathandize kuti stock yokhazikika kapena near-net extrusion kuphatikiza CNC isakhale yolondola, koma zoletsa za lead zitha kuletsa njirayo.
Gawo lokhazikika lovuta komanso lokhala ndi makina ochepa	Ndi aloyi iti yotulutsidwa ndi mkhalidwe womwe umakwaniritsa zofunikira za mphamvu, dzimbiri ndi kumaliza?	Kuyenda kwa alloy ndi khalidwe la ntchito yotentha ziyenera kuwunikidwanso musanatulutse die; geometry yovomerezeka mu alloy imodzi sivomerezedwa yokha mu ina
Utumiki wamadzi wolamulidwa kapena wowononga	Kodi ndi chivomerezo chotani chenicheni cha low-lead, DZR kapena msika chomwe chikufunika?	"Opanda lead," DZR, RoHS, REACH ndi kuvomerezedwa kwa madzi akumwa ndi zofunikira zosiyana ndipo zimatha kusintha mitundu yonse ya zinthu zomwe zasankhidwa komanso mitundu ya zinthu zomwe zilipo.
Mawonekedwe opangidwa kuchokera ku pepala kapena mzere	Kodi alloy yomwe yatchulidwayi imapezekadi ndipo imayendetsedwa ngati extrusion?	Kupezeka kwa C26000 roll-form sikutanthauza kuti extrusion yovuta yomwe ikuperekedwa ndi yotheka kapena yotsika mtengo

Kufanana kwa giredi kumafunika kuwunikanso mzere ndi mzere.

C26000 nthawi zambiri imaonedwa ngati mkuwa wamba wa 70/30, kapena CuZn30. H62 ndi pafupifupi CuZn38. Sizofanana zokha.

Yerekezerani malire a mankhwala, makhalidwe a makina, mawonekedwe a chinthu, momwe zinthu zilili komanso muyezo wolamulira musanavomereze cholowa m'malo.

MTC iyenera kuzindikira aloyi woperekedwa ndi kutentha kapena gawo. Sizitsimikizira kuti mbiriyo ikukwaniritsa miyeso, kulunjika, makina kapena zofunikira zomalizitsa. Amenewo amafunikira umboni wawo wowunikira.

Werengani Ndalama Zonse Zogulira Malo

Mtengo wotsika kwambiri wa extrusion ungataye ndalama m'malo atatu:

Kubwezeretsa bwino kwa zitsulo
Nthawi yobwerezabwereza ya CNC
Kutalika komalizidwa kokanidwa

Choyamba, patulani miyezo:

Kubwezeretsa kochokera kunja= kulemera kovomerezeka kwa mbiri yotulutsidwa ÷ kulemera kwa billet charge
Kugwiritsa ntchito zinthu za makasitomala= kulemera konse kwa gawo lomalizidwa ÷ kulemera kopanda kanthu kogulidwa
Kulandira komaliza= zigawo zomalizidwa kapena kutalika kolandiridwa ÷ zonse zomwe zaperekedwa kuti ziwunikidwe komaliza

Izi si maperesenti osinthika.

Chigoba cha billet, zinthu zoyesera, kudula, kerf ya saw, kutalika kosakwanira, zokongoletsa zowongoka, machining chips, zokana zomaliza ndi zokana zomaliza zimachitika pamalire osiyanasiyana a njira.

Taganizirani kuwerengera magawo kongoyerekeza.

Gawo lomalizidwa lili ndi malo okwana 420 mm² ndi kutalika kwa 250 mm. Chida chokhazikika chimafuna malo opanda kanthu a 680 mm², pomwe chotulutsira pafupi ndi neti chimafuna 470 mm².

Kugwiritsa ntchito zinthu pamlingo wina ndi:

Njira yokhazikika yogulira zinthu:420 ÷ 680 =61.8%
Njira yapafupi ndi intaneti:420 ÷ 470 =89.4%

Pogwiritsa ntchito kuchuluka kwa mkuwa kowonetsera kwa 8.4 g/cm³, kuchuluka kopanda kanthu komwe kwagulidwa kuli pafupifupi:

Zopanda zinthu zokhazikika:1.428 kg pa gawo lililonse
Kutulutsa kwa Near-net:0.987 kg pa gawo lililonse
Kusiyana:0.441 kg pa gawo lililonse
Kusiyana pakati pa magawo 10,000:makilogalamu 4,410

Si chitsimikizo kuti mudzapulumutsa.

Sizimaphatikizapo kubwezeretsa ma billet, kuyesa ma die, zidutswa za process, kutayika kwa macheka, ma machining chips, credit ya zidutswa ndi kuvomereza phindu. Gwiritsani ntchito kuchuluka kwa alloy kovomerezeka kapena kuyezedwa kg/m kuti mupeze mtengo weniweni.

Kugawa zida molingana ndi momwe zilili ndi njira yolunjika, bola ngati njira zonse ziwiri zikugwiritsa ntchito njira yofanana yovomerezeka:

Kuchuluka kovomerezeka kofanana = (mtengo wokhazikika wotuluka-njira yotuluka − mtengo wokhazikika wotuluka-njira yotuluka) ÷ (mtengo wobwerezabwereza wotuluka-njira yotuluka pa gawo lililonse lovomerezeka − mtengo wobwerezabwereza wotuluka-njira yotuluka pa gawo lililonse lovomerezeka)

Ngati phukusi loyerekeza la die ndi qualification likuwonjezera $4,800 ya mtengo wokhazikika ndipo ndalama zotsimikizika zosungidwa nthawi zonse ndi $3.60 pa gawo lililonse lovomerezeka, kubweza kosavuta kumachitika pa magawo 1,334 olandiridwa mutasonkhanitsa.

Ngati kusunga mobwerezabwereza kuli zero kapena zoipa, palibe kubwezera kwabwino kwa zida.

Ngati ndalama zokwana $3.60 zinyalanyaza kukanidwa komaliza, kuyang'aniridwa, kunyamula katundu, umwini wa zinyalala kapena kukonza zida, zotsatira zake ndi nkhani yongopeka yokhala ndi chowerengera.

Mtengo wonse womangira malo pamlingo umodzi:

Mtengo wogwera pa gawo lililonse lovomerezeka = (mtengo wonse wachitsulo cholipiridwa + mtengo wokhazikika woyenda + mtengo wosinthira, kukonza ndi mayendedwe + mtengo wokonzanso womwe ukuyembekezeka - ngongole yovomerezeka) ÷ kuchuluka komalizidwa kovomerezedwa

Sinthani chinthu chilichonse chotchulidwa kukhala nambala musanayerekeze njira.

Mtengo wachitsulo ukhoza kukhala mtengo pa kilogalamu imodzi kuchulukitsa ndi kulemera komwe kungathe kulipitsidwa. Kugwiritsa ntchito zida kungakhale mtengo wokhazikika kapena mtengo wa pulogalamu. Kukonza makina kungatchulidwe pa gawo lililonse. Kutumiza katundu kungatchulidwe pa kutumiza kulikonse.

Gwiritsani ntchito kuchuluka komalizidwa kovomerezeka, osati zidutswa zonse zoyambitsidwa. Musawerengere kutayika komweko kawiri ngati kuli kale mu mtengo wosinthira kapena womalizidwa.

Pa kugula kolembedwa pa index, dzina:

Mndandanda weniweni wa mitengo ya SMM kapena maumboni enieni a LME a mkuwa ndi zinc
Madeti ofotokozera kapena masiku owerengera
Malingaliro okhudzana ndi kuchuluka kwa zitsulo zomwe zingalipidwe
Njira yosinthira ndalama
Kulemera koyenera kulipidwa
Aloyi kapena billet premium
Lamulo la ngongole yochotsedwa
Kaya kusinthaku kumaphatikizapo kale mtengo uliwonse wapamwamba

"Mtengo wamsika potumiza" sukwanira. Ikhoza kuchotsa mtengo wa zinc kapena kuwerengera mtengo wa alloy kawiri.

Buku lotsogolera mwatsatanetsatane lamtengo wa zida ndi mitengo yogulira zinthu zambiriimakulitsa kuwerengera kwamalonda kumeneku.

Vomerezani Njira Yogwirira Ntchito Musanapange Zambiri

Chitsanzo chopukutidwa cha 200 mm sichivomereza mawonekedwe a mafakitale a mamita atatu.

Kuvomerezedwa kwa nkhani yoyamba kuyenera kuyimira zinthu zomwe zalamulidwa, njira, kutalika, makina opangidwa ndi momwe zinthuzo zilili komanso momwe zinthuzo zilili.

Ngati kuwongoka kapena kupotoka kwa kutalika kwakutali kuli kofunikira, yang'anani kutalika kwenikweni komwe kwakonzedwa. Ngati kusonkhana kukuchitika mutamaliza kupotoza, yang'anani miyeso yofunika kwambiri mutamaliza kupotoza.

Ngati dayi yakonzedwa, dziwani ngati kukonzanso kokonzedwako kukufunika kuvomerezedwanso kwa magawo, kuyesa kogwira ntchito kapena zonse ziwiri.

Chinthu chovomerezeka	Umboni woti upemphedwe	Kulephera kwa malonda kumalepheretsa
Kudziwika kwa zinthu	MTC yokhala ndi giredi, muyezo, mkhalidwe, zotsatira zoyeserera zofunika komanso kutentha kapena gawo; zilengezo zosiyana, malipoti kapena zivomerezo za zopempha zodziwika bwino	Aloyi yolakwika, kufanana kosachirikizidwa kapena umboni wosowa wotsatira malamulo okhudzana ndi dongosolo
Kukonzanso kwa die ndi zojambula	Chithunzi chovomerezeka cha gawo cholumikizidwa ndi chizindikiritso cha die	Kupanga kuchokera ku geometry yakale pambuyo pa kusintha kwa uinjiniya
Gawo lonse lozungulira	Lipoti loyamba la nkhani m'malo omwe agwirizana	Miyeso ingapo yowunikidwa yobisa khoma kapena malo otsetsereka kwinakwake
Fomu yonse	Kuwongoka ndi kupotoza zotsatira pa kutalika kolamulidwa	Zitsanzo zazifupi zikudutsa pomwe ma profiles a assembly akutalika
Ma CTQ Opangidwa ndi Makina	Lipoti lochokera ku deta lomwe lili mu makina omaliza	Zinthu zakomweko zikupitirira kukula koma malo kapena kusonkhana kukulephera
Njira yopangira pamwamba	Mapu ofunika kwambiri a nkhope ndi makulidwe kapena mawonekedwe	Kumanga kwa pulasitala, kutayika kwa kupukuta kapena zizindikiro za rack kusintha kuvomereza
Kukhazikika kwa ndondomeko	Kufufuza kovomerezeka kwa zitsanzo kapena luso la ma CTQ otchulidwa	Chidutswa choyamba chabwino chobisa kusinthasintha kwa batch
Kutsata	Ulalo pakati pa malo otentha, malo otulutsira zinthu, malo okonzera zinthu ndi malo owunikira	Zikalata zomwe zikuchotsedwa ku zinthu zomwe zaperekedwa
Kulongedza	Kulekanitsa kovomerezeka, chitetezo cha kumapeto, chithandizo cha mtolo ndi kulemera	Ma profiles owongoka, oyera, ofika atakanda, atapaka utoto kapena opindika

Ngati PO ikufuna Cp kapena Cpk, fotokozani CTQ, mfundo za gulu laling'ono, kukula kwa chitsanzo, njira yowerengera ndi dongosolo la reaction.

Mtengo wa Cpk wopemphedwa monga 1.33 si umboni mpaka njirayo itakhazikika, njira yoyezera ili yoyenera ndipo deta ikuyimira kupanga kwabwinobwino.

Musasinthe gulu limodzi la mayesero kukhala chiyeso chofuna kuti munthu akwanitse kuchita zinthu zina.

Ndemangazida zoyezera ndi kukonza makinamonga umboni wa mbiri ya wogulitsa.satifiketi zabwino ndi zikalata zowunikirapadera.

Palibe tsamba lililonse lomwe limalowa m'malo mwa MTCs zomwe zimafuna oda, malipoti a nkhani yoyamba, zolemba za gauge kapena kuwunika komaliza kwa malo.

Pa maoda a magawo ambiri,njira yoperekera chithandizo cha unyolo woperekeraZingapereke maziko ogwirizanitsa zinthu, kutulutsa, makina ena, kukonza pamwamba, kuyang'anira ndi kutumiza kunja.

Kukula kwenikweni, mphamvu, nthawi ndi zikalata zikufunikabe kutsimikiziridwa kwa polojekitiyi.

Zolakwika Zofala Zogula

1. Kusankha Mtengo Wotsika Kwambiri

Diye yotsika mtengo yomwe imafunika kukonzedwa mobwerezabwereza, kuyenda pang'onopang'ono kapena kupanga makoma osakhazikika si yotsika mtengo.

Funsani zomwe zili m'mayesero, kukonza, kutalika kwa zitsanzo, malipoti a miyeso, kukonza ndi kusintha.

2. Kulimbitsa Miyeso Iliyonse

Kulekerera kwambiri kumawonjezera chiopsezo cha zida ndi mtengo wowunikira pomwe kumabisa ma CTQ enieni.

Limbitsani cholumikizira, datum kapena machining interface yomwe imalamulira ntchito. Siyani mawonekedwe osagwirizana ndi ntchito pamlingo wovomerezeka wa extrusion.

3. Kuvomereza Kuponi Yaifupi

Gawo lalifupi likhoza kutsimikizira kuti pali aloyi, gawo lapafupi komanso komwe likupita.

Sizingatsimikizire kulunjika kwathunthu, kupindika, kuuma kwa kulongedza kapena kupulumuka kwa katundu.

4. Kusintha Aloyi Pambuyo pa Zida

Wogula amasunga nthawi pa ndemanga yofunikira ndipo amaitaya muyeso wina.

Kusintha kwa alloy kumatha kusintha kayendedwe ka madzi, kukonza ma die, kukonza makina, kumaliza ndi kutsatira malamulo.

5. Kuyerekeza Mtengo pa Kilogalamu

Mtengo pa kilogalamu imodzi umanyalanyaza kusuntha kwa kg/m, kugwiritsa ntchito zinthu, kayendedwe ka makina, kukanidwa komaliza, kuyang'aniridwa ndi phindu lovomerezeka.

Yerekezerani mtengo pa gawo lililonse lovomerezeka kapena mita yovomerezeka yogwiritsidwa ntchito.

6. Kusiya Ufulu wa Die Undefined

Pulogalamu ikasuntha, kuyimitsa kapena kusintha wogulitsa, umwini wosamveka bwino umayambitsa mkangano wamalonda.

Lembani umwini, malo osungira, kukonza, kugwiritsa ntchito, ndi malamulo oletsa kugulitsa katundu musanalipire.

Zomwe Mungayike mu Mbiri ya Mkuwa wa Mafakitale RFQ

Tumizani zambiri zokwanira kuti wogulitsa aliyense atchule malire a njira zomwezo:

Kusankhidwa kwa aloyi yeniyeni, kuwongolera muyezo ndi zofunikira
Chithunzi cholamulidwa cha magawo a 2D kuphatikiza 3D CAD komwe kuli kothandiza
Mayunitsi, ma radii, miyeso yofunikira komanso miyeso yosafunikira
Cholinga cholimba, chotseguka, chopanda dzenje kapena chopanda kanthu, malinga ndi gulu la ogulitsa
Kutalika kwa kudula komwe kwalamulidwa, kuchuluka kwa kutulutsidwa kulikonse, kufunikira kwa pachaka ndi nthawi ya pulogalamuyo
Malo okwana gawo lomalizidwa kapena kulemera komwe kulipo
Ma datum ogwirira ntchito, ma CTQ ndi mwayi wogwiritsa ntchito makina pamlingo wolekerera kwambiri
Kuwongoka, kupindika ndi kupindika malire pogwiritsa ntchito chithandizo ndi njira yoyezera
Kulekerera kodulidwa ndi saw-cut, end sikweya, burr ndi kufunikira komaliza
Kufunika kokonza zinthu zozizira, kutentha kapena kufunikira kwa vuto pokhapokha ngati kuli koyenera kugwira ntchito
CNC, kuboola, kupangira, kuchotsa burring, kupinda kapena kusonkhanitsa
Kumaliza kwa pamwamba, nkhope zazikulu, makulidwe a chophimba ndi miyeso yomaliza
Zofunikira pa MTC, malamulo, FAI, PPAP, kuthekera kapena kuyang'anira kwa chipani chachitatu
Tanthauzo la malo, dongosolo la zitsanzo ndi zolemba zotumizidwa ndi oda
Kukhala ndi zida, kukonza, kusunga, kukonza ndi kusintha zida
Mtengo wachitsulo, ndalama zosinthira, kuwongolera kg/m ndi njira zochotsera zinthu zakale
Filimu yoteteza, yolumikizirana, yoteteza kumapeto, yothandizira phukusi ndi malire a kulemera
Dziko lomwe mukupita, Incoterm, cholinga chofika ndi nthawi yotulutsira

Malinga ndi zomwe ndakumana nazo poyang'ana ma RFQ, zojambulazo nthawi zambiri zimakhala ndi tsatanetsatane wokwanira kuti zigwire gawo lomaliza koma sizimveka bwino kuti zigule extrusion.

Onjezani mapu a njira ya tsamba limodzi. Ikani chizindikiro pa zomwe zaperekedwa monga momwe zatulutsidwira, zomwe zakonzedwa, zomwe zamalizidwa ndi zomwe woyang'anira wolandirayo adzayesa.

Kuti muwunikenso gawo latsopano,Tumizani zojambula zanu ndi tsatanetsatane wa RFQndi aloyi, muyezo, kutalika kolamulidwa, kuchuluka kwa pachaka, miyeso yofunika, kukula kwa makina, momwe pamwamba pake palili, zikalata ndi komwe akupita.

Kupezeka kwa zinthu zomwe zilipo panopa, kuthekera kogwiritsa ntchito zida, MOQ, nthawi yogwiritsira ntchito zitsanzo ndi nthawi yotsogolera kupanga ziyenera kutsimikiziridwa kuti zigwiritsidwe ntchito pa dongosolo lenileni.

Mfundo Yofunika Kwambiri

Zigawo za mkuwa wa mafakitale sizitsika mtengo zokha chifukwa zimakhala pafupi ndi ukonde, ndipo sizili zolondola zokha chifukwa zimayikidwa pa chotsukira chapadera.

Njira yoyenera imayika mawonekedwe okhazikika mu die, mawonekedwe athunthu mu kuwongoka ndi kuyeza, kulondola kwapafupi mu CNC, ndi miyeso yomaliza yomanga mukamaliza.

Komanso imayika mtengo pa mita iliyonse yokanidwa, nthawi iliyonse yogwirira ntchito ndi kukonza zida zilizonse zomwe zalandiridwa.

Kodi mungakonde kulipira kamodzi kokha pa chida choyenera, kapena kulipira pa kutumiza kulikonse kwa chitsulo chamkuwa ndi maola a makina?

Palibe yankho lachindunji. Pali kuwerengera kokha kozikidwa pa kujambula kokhazikika, phindu lenileni ndi kuchuluka kwa kupanga komwe mudzagula.

Mafunso Ofunsidwa Kawirikawiri

Kodi magawo a mbiri ya mkuwa wa mafakitale ndi ati?

Zigawo za mkuwa wa mafakitale ndi zinthu zazitali zamkuwa zomwe zimakhala ndi gawo lofanana, zomwe nthawi zambiri zimapangidwa ndi extrusion kenako n’kuwongoledwa, kudulidwa, kukokedwa, kupangidwa ndi makina kapena kumalizidwa pamwamba.

Mawuwa safotokoza za alloy imodzi kapena kulekerera. Mafotokozedwe a kugula ayenera kufotokoza giredi yeniyeni, muyezo wa chinthu, mkhalidwe, zojambula za gawo, kutalika, miyeso yofunika, kumaliza komaliza ndi njira yowunikira.

Kodi ma profiles a mkuwa wa mafakitale amapangidwa bwanji?

Njira yodziwika bwino imayamba ndi chogwirira cha mkuwa chomwe chimatenthedwa kuti chitulutsidwe, chokakamizidwa kudutsa mu gawo la die, choziziritsidwa, chotambasulidwa kapena chowongoleredwa, chodulidwa ndikuyang'aniridwa.

Ma profiles oyenera angakopedwe kapena kukulitsidwa mozizira. Mabowo am'deralo, mabowo, ulusi ndi nkhope za datum nthawi zambiri zimawonjezedwa ndi makina ena.

Njira yeniyeni imadalira aloyi, kalasi ya gawo, kutalika kolinganizidwa, kulekerera ndi kuchuluka.

Kodi ndi liti pamene wogula ayenera kusankha extrusion yapadera m'malo mopanga zinthu wamba?

Sankhani extrusion yapadera pamene kapangidwe kake kali kokhazikika, gawolo limabwerezabwereza mbali yonse, ndipo ndalama zotsimikizika zomwe zasungidwa mu chitsulo chogulidwa ndi makina opangidwa zimaposa mtengo wa die, kuyesa ndi kuyenerera.

Sungani katundu wamba kuphatikiza ndi CNC kuti mupeze zitsanzo, kufunikira kochepa kapena kusinthidwa pafupipafupi. Werengani kuchuluka kwa zinthu zomwe zagwiritsidwa ntchito pogwiritsa ntchito zida zovomerezeka komanso phindu lenileni m'malo mwa kuchuluka kwa zinthu zonse zomwe zapangidwa.

Kodi mbiri iliyonse ya mkuwa wa mafakitale imafuna kufa kopangidwa mwamakonda?

Ayi. Chotengera chozungulira, cha sikweya, chamakona anayi, cha m'mbali imodzi kapena chopezekapo chingakwaniritse kapangidwe kake.

Chophimba chapadera chikufunika pamene gawo lokhazikika lofunikira silikupezeka kapena pamene mawonekedwe a near-net amapanga kusungidwa kovomerezeka kobwerezabwereza.

Tsimikizirani ngati zida zomwe zilipo kale ndi za ogulitsa, za makasitomala kapena zikugwirizana ndi alloy ndi tolerances.

Kodi chotulutsira cha mkuwa chingakhale ndi kulekerera kotani?

Palibe kulolerana kwa mkuwa ndi extrusion komwe kulipo padziko lonse lapansi.

Kusintha kwa mphamvu pogwiritsa ntchito alloy, kukula kwa gawo, kugawa kwa khoma, mawonekedwe otseguka kapena opanda kanthu, kapangidwe ka die, kutalika kolinganizidwa, kuwongola, kujambula, kukonza pamwamba ndi njira yoyezera.

Gwiritsani ntchito muyezo wolamulira wa zinthu pa miyeso yonse, zindikirani ma CTQ padera, ndipo pemphani wogulitsa kuti awunikenso zojambula zenizeni asanapereke.

Kodi dzenje la H7 lingapangidwe mwachindunji ndi extrusion?

Kutulutsa madzi kungapangitse kuti pakhale kutsegula kwa choyezera kapena kusiya zinthu zomwe zili pafupi ndi ukonde, koma dzenje la H7 nthawi zambiri limamalizidwa ndikuyang'aniridwa ndi njira yowongolera makina.

Pa dzenje lokha la 20 mm mu kukula koyenera kwa ISO 286, H7 ndi 20.000 mpaka 20.021 mm.

Tsimikizani mtundu wa standard edition, condition yomaliza ya pamwamba, njira yoyezera ndi ubale wa datum.

Kodi kusiyana pakati pa ma profiles amkuwa otulutsidwa ndi okokedwa ndi kotani?

Kutulutsa kumapanga gawo loyambira mwa kukankhira chitsulo chotenthedwa kudzera mu die.

Kujambula kozizira kapena kukula kumakoka mbiri yoyenera kudzera mu chida china kuti ikonze mawonekedwe osankhidwa a kukula, pamwamba kapena makina.

Kujambula kumawonjezera mtengo ndipo sikutheka pa gawo lililonse lovuta, losafanana kapena lopanda kanthu. Fotokozani zotsatira zomwe mukufuna m'malo molemba dokotala kujambula popanda chifukwa chaukadaulo.

Kodi mtengo wa zida zogwiritsira ntchito uyenera kuchepetsedwa bwanji?

Gawani mtengo wokhazikika womwe mwagwirizana, mtengo woyesera ndi mtengo woyenerera ndi kuchuluka komwe kumayembekezeredwa panthawi yeniyeni ya pulogalamu.

Kenako onjezerani kutembenuza mobwerezabwereza, kukonza, kumaliza, kuyang'anira, kulongedza ndi mayendedwe.

Mtengo wotsika wa chida chotsika mtengo ulibe tanthauzo ngati zomwe zanenedweratu sizichitika kapena ngati kusintha kwa zinthu kukakamiza kuti chosinthira chikhale chotsika mtengo chisanabwezedwe.

Ndi zikalata ziti zomwe ziyenera kuperekedwa ndi oda ya bulk brass-profile?

Zofunikira zimasiyana, koma ogula nthawi zambiri amapempha MTC yolumikizidwa ndi kutentha kapena malo, lipoti la gawo loyamba, lipoti lomaliza lowunikira, kujambula ndi kusintha kwa die, zolemba zoyeretsera pamwamba ngati kuli kofunikira, komanso kutsata pakati pa malo otulutsira ndi okonzanso ena.

Zikalata zovomerezeka kapena za chipani chachitatu ziyenera kutchulidwa mu PO ndikutsimikiziridwa kuti ndi msika wopitako.

Kodi ndi chidziwitso chiti chomwe wogulitsa amafunikira kuti atchule magawo a mbiri ya mkuwa wa mafakitale?

Perekani aloyi ndi muyezo, mkhalidwe, chojambula cha gawo kapena CAD, kutalika koyitanitsa, kuchuluka kwa kutulutsidwa, kufunikira kwa pachaka, ma CTQ, njira yolunjika ndi yopotoka, kukula kwa makina, kumaliza, ziphaso, dongosolo lowunikira, kulongedza, komwe mukupita ndi nthawi.

Komanso umwini wa boma ndi maziko a mtengo wachitsulo chamalonda. Malire a njira zomwe sizikupezeka amabweretsa mawu omwe sangayerekezedwe bwino.

Nthawi yotumizira: Ogasiti-22-2026