Giya la Helical kapena Giya la Spur lomwe limagwira ntchito bwino

Kusankha pakati pa giya yozungulira ndi giya yopopera kumadalira zosowa za uinjiniya. Mtundu uliwonse wa giya umasonyeza ubwino ndi zofooka zapadera. Kugwira ntchito nthawi zambiri kumakhudzana ndi zinthu monga liwiro, mphamvu, phokoso, bajeti, ndi zoletsa za malo.

Mfundo Zofunika Kwambiri

●Magiya a helical amapereka ntchito yosalala komanso mphamvu yokweza katundu, zomwe zimapangitsa kuti akhale abwino kwambiri pa ntchito zolemera.

●Magiya a Spur ndi otsika mtengo komanso osavuta kusamalira, oyenera kunyamula katundu wochepa komanso makina osavuta kugwiritsa ntchito.

●Ganizirani zinthu monga kuchuluka kwa phokoso, zofunikira pa katundu, ndi zosowa zosamalira posankha pakati pa magiya ozungulira ndi a spur.

Chidule cha Mitundu ya Zida

Kodi Zida za Helical N'chiyani?

Giya yozungulira imakhala ndi mano omwe amadulidwa pa ngodya, nthawi zambiri pakati pa madigiri 12 ndi 20, poyerekeza ndi mzere wozungulira. Kapangidwe ka ngodya kameneka kamalola mano kugwira ntchito pang'onopang'ono, zomwe zimapangitsa kuti azigwira ntchito bwino komanso mopanda phokoso. Magiya ozungulira amatha kutumiza mphamvu pakati pa shafts zofanana ndi zosafanana. Nthawi zambiri amapezeka m'makina a magalimoto, zida zopangira magetsi, ndi makina olemera. Mano ozungulira amawonjezeranso malo olumikizirana, zomwe zimathandiza kuti giyayo igwire ntchito zambiri ndikupereka mphamvu zambiri za mano. Komabe, kapangidwe kameneka kamapanga mphamvu ya axial, yomwe iyenera kuyang'aniridwa mu dongosolo la giya.

Langizo: Magiya a Helical amayamikiridwa chifukwa cha kuyenda kwawo bwino komanso kuthekera kwawo kugwira ntchito pa liwiro lalikulu komanso katundu wambiri.

Kodi Zida Zolimbikitsa N'chiyani?

Magiya a Spur ali ndi mano owongoka omwe ali ofanana ndi mzere wozungulira. Kapangidwe kosavuta aka kamapangitsa kuti akhale osavuta kupanga komanso otsika mtengo. Magiya a Spur amagwiritsidwa ntchito kwambiri m'malo omwe mphamvu yotumizira ndi magwiridwe antchito amayenera, monga makina oyambira ndi zida zothamanga pang'ono. Nthawi zambiri amakhala ndi mphamvu zambiri, kuyambira 95% mpaka 98%, pa liwiro lochepa. Magiya a Spur ndi oyenera kwambiri kutumiza mphamvu pakati pa ma shaft ofanana ndipo sapanga axial thrust.

Kusiyana Kwakukulu

Magiya a Helical amapereka ntchito yosalala komanso mphamvu yokweza katundu, pomwe magiya a spur amapereka kuphweka komanso kusunga ndalama. Kusankha kumadalira zosowa za pulogalamuyo.

Kugwiritsa Ntchito Bwino kwa Zida za Helical

Kutumiza Mphamvu

Kugwiritsa ntchito bwino kwa magiya amagetsi ndi chinthu chofunikira kwambiri poyerekeza mitundu ya magiya. Magiya ozungulira ndi magiya opumira amatha kugwira ntchito bwino kwambiri pazinthu zambiri. Mtundu wa magwiridwe antchito a giya iliyonse wawonetsedwa pansipa:

Magiya a Spur nthawi zambiri amakhala ndi ubwino pang'ono pakugwira ntchito bwino. Izi zili choncho chifukwa mano awo owongoka amapanga kukangana kochepa panthawi yogwira ntchito. Giya la Helical, lomwe lili ndi mano opindika, limakumana ndi kutsetsereka kwambiri. Izi zimapangitsa kuti mphamvu itayike pang'ono. Komabe, mitundu yonse ya magiya imagwira ntchito bwino m'mafakitale ambiri.

Kapangidwe ka mano a giya kamakhudzanso momwe mphamvu imafalikira. Mano a giya ya helical amagwira ntchito pang'onopang'ono. Kulumikizana kosalala kumeneku kumachepetsa katundu wogwedezeka ndipo kumalola kugwira ntchito mopanda phokoso. Chiŵerengero cha kukhudzana, chomwe chimayesa kuchuluka kwa mano omwe akhudzana nthawi imodzi, nthawi zambiri chimakhala chokwera mu magiya a helical. Chiŵerengero cha kukhudzana kwakukulu chimatanthauza kuti mano ambiri amagawana katundu. Izi zimachepetsa kupsinjika pa dzino lililonse ndipo zimathandiza giya kuyenda bwino.

Kafukufuku akusonyeza kuti kuwonjezera chiŵerengero cha kukhudzana kumachepetsa katundu wosinthasintha mu magiya. Mwachitsanzo, Liou et al. (1992) adapeza kuti chiŵerengero chapamwamba cha kukhudzana chimachepetsa katundu wosinthasintha mu magiya ndi chiŵerengero cha kukhudzana pansi pa 2.0. Drago et al. (1993) adawona kuti magiya othamanga kwambiri ndi chete kuposa omwe ali ndi chiŵerengero chocheperako cha kukhudzana. Zomwe zapezekazi zikuwonetsa kufunika kwa kapangidwe ka mano ndi chiŵerengero cha kukhudzana pakugwira bwino ntchito kwa magiya.

Kutayika kwa Mphamvu

Kutayika kwa mphamvu m'magiya makamaka kumachokera ku kukangana. Mu magiya opindika, mano amalumikizana mwachindunji ndi kutsetsereka pang'ono. Izi zimapangitsa kuti kutaya mphamvu kuchepe. Mu giya yozungulira, mano opindika amapanga kukangana kochulukira pamene magiya akuzungulira. Kutsetsereka kotsetsereka ndiye gwero lalikulu la kutayika kwa mphamvu m'magiya ozungulira. Kuyenda pakati pa malo a dzino pamalo okhudzidwa kumayambitsa kukangana kumeneku. Kutayika konse kwa mphamvu ya kukangana kumaphatikizapo kukangana kotsetsereka komanso kozungulira.

●Kusefukira kwa mphamvu kumawonjezera kutayika kwa mphamvu mu giya yozungulira poyerekeza ndi giya yopopera.

●Kuchuluka kwa mphamvu zomwe zimatayika kumadalira ngodya ya helix ndi liwiro la ntchito.

●Kutsetsereka kwambiri kumatanthauza kutentha kwambiri komanso ntchito yake yocheperako pang'ono.

Mphamvu yomwe imagwiritsidwa ntchito pa dzino mu giya yozungulira imakhudza magwiridwe antchito a kupsinjika kuposa giya yozungulira. Ngodya ya helix ndi mtunda wa dzino zimathandizanso momwe mphamvu imatayikira. Kafukufuku akuwonetsa kuti magiya ozungulira amakhala ndi kupsinjika kwakukulu ndi 12% pansi pa mikhalidwe iwiri yolumikizana. Izi zimachitika chifukwa cha kapangidwe ka dzino lopendekeka, komwe kungayambitse kufalikira kosagwirizana kwa kupsinjika.

Dziwani: Ngakhale kuti zida zozungulira zimatha kutaya mphamvu zambiri, ubwino wogwiritsa ntchito bwino komanso mphamvu zambiri nthawi zambiri umaposa vuto ili m'njira zambiri.

Kuyerekeza kwa Mphamvu Yonyamula

Kusamalira Katundu Waukulu

Magiya ayenera kugwira ntchito zosiyanasiyana za mphamvu m'makina. Kutha kunyamula katundu wolemera kumadalira kapangidwe ka giyayo komanso momwe mano amakhudzirana. Giya ya helical imadziwika bwino m'derali. Mano opindika amalola kuti magiya agwirizane kwambiri. Izi zikutanthauza kuti katunduyo amafalikira pamalo akuluakulu, zomwe zimapangitsa kuti giyayo ikhale yosavuta kugwira ntchito ndi mphamvu yayikulu.

Nayi kufananiza kwa mphamvu yonyamula katundu:

●

Magiya a Helical amatha kugwira ntchito ndi torque yapamwamba ndi 20-30% kuposa magiya a spur.

●Kukhudzana kwa dzino lozungulira mu magiya ozungulira kumagawa katundu m'mano angapo, zomwe zimapangitsa kuti pakhale kufalikira kotetezeka kwa torque yokwera ndi 25%.

Izi zimapangitsa kuti magiya ozungulira akhale abwino kwambiri pamakina omwe amafunika kusuntha kapena kunyamula zinthu zolemera.

Kugawa Kupsinjika Maganizo

Mmene magiya amagawirana kupsinjika kumakhudza moyo wawo komanso magwiridwe antchito awo. Magiya a Helical amagawa katunduyo m'mano angapo nthawi imodzi. Izi zimachepetsa kupsinjika kwa dzino lililonse ndikuchepetsa mwayi wowonongeka. Mu magiya a spur, katunduyo nthawi zambiri amakhala pa dzino limodzi kapena awiri okha, zomwe zingayambitse kuwonongeka mwachangu.

Kafukufuku akusonyeza kuti magiya ozungulira amatha kufikira chiŵerengero chogawana katundu pakati pa 33:67 ndi 45:55. Izi zikutanthauza kuti mano awiri amatha kugwira ntchito limodzi kuti agwire ntchito ya torque. Kugawana katundu bwino kumabweretsa kulimba komanso kugwira ntchito bwino.

Zindikirani: Kugawa bwino mphamvu kumathandiza kuti magiya azikhala nthawi yayitali komanso kuti azigwira bwino ntchito zovuta.

Liwiro ndi Magwiridwe Abwino

Ntchito Yothamanga Kwambiri

Magiya nthawi zambiri amayenda pa liwiro losiyana kutengera makina. Magiya ena amagwira ntchito bwino kuposa ena liwiro likakwera. Magiya a Helical amadziwika bwino kwambiri pakugwiritsa ntchito liwiro lalikulu. Mano ake okhota amalola kuti zinthu zizigwira ntchito pang'onopang'ono, zomwe zimachepetsa phokoso ndi kugwedezeka. Kapangidwe kameneka kamathandiza kuti giya liziyenda bwino, ngakhale pa liwiro lozungulira kwambiri. Makampani ambiri amasankha magiya a helical pamakina omwe amafunika kugwira ntchito mwakachetechete komanso moyenera pa liwiro lothamanga.

Tebulo ili m'munsimu likuwonetsa momwe magiya a spur ndi magiya ozungulira amafananira pamavuto othamanga kwambiri:

Magiya a helical nthawi zambiri amagwiritsidwa ntchito mu ma transmission a magalimoto ndi zida zamafakitale komwe magwiridwe antchito chete komanso odalirika ndi ofunikira.

Zoletsa Liwiro

Magiya a Spur ali ndi zovuta zina pa liwiro lalikulu. Mano awo owongoka amachititsa kuti nkhope yonse ya dzino igwire nthawi imodzi. Kukhudza mwadzidzidzi kumeneku kumabweretsa vuto lalikulu, lomwe lingayambitse mavuto angapo:

●Kugwira dzino mwadzidzidzi kumawonjezera phokoso ndi kupsinjika pa liwiro lalikulu.

●Kugwedezeka kungachitike, zomwe zingachititse kuti zida zisagwire bwino ntchito pakapita nthawi.

●Phokoso ndi kugwedezeka zimakhala zazikulu kuposa 1,000 RPM.

●Kuyika mano owopsa pa mano a munthu aliyense payekha kungachepetse nthawi yogwira ntchito.

●Zotsatira zomwe zimachitika pafupipafupi zimapangitsa kuti zinthu zisinthe, zomwe zingakhudze kudalirika kwa makina.

Zinthu izi zimakhazikitsa malire a liwiro la magiya othamanga, makamaka pakugwiritsa ntchito zinthu zolemera kapena zolondola. Magiya ozungulira, okhala ndi mphamvu yogwira ntchito bwino, amapewa mavuto ambiri ndipo ndi oyenera kugwiritsidwa ntchito mwachangu kwambiri.

Kulimba ndi Kusamalira

Utali wamoyo

Nthawi yogwira ntchito ya magiya imadalira mtundu wa makina ndi momwe magiya amagwiritsidwira ntchito. Makina osiyanasiyana amaika mphamvu zosiyanasiyana pa magiya awo. Tebulo ili pansipa likuwonetsa nthawi yogwira ntchito ya magiya m'mitundu yosiyanasiyana ya zida zolemera:

Magiya ogwiritsidwa ntchito mu makina a ulimi nthawi zambiri amakhala nthawi yayitali kwambiri. Magiya ogwiritsira ntchito migodi nthawi zambiri amakhala ndi moyo wautali kwambiri chifukwa amakumana ndi zovuta. Kapangidwe ka giya kamagwiranso ntchito. Magiya ozungulira nthawi zambiri amakhala nthawi yayitali akagwiritsidwa ntchito ndi katundu wambiri komanso mwachangu chifukwa mano ake opindika amafalitsa mphamvu pamalo ambiri, zomwe zimachepetsa kuwonongeka.

Zosowa Zokonza

Zofunikira pakukonza zimasiyana pakati pa mitundu ya magiya. Magiya a Helical amafunika chisamaliro chambiri chifukwa kapangidwe kawo kamapanga axial thrust. Thiransi iyi imafuna ma bearing apadera opondereza ndi mafuta enaake kuti agwire ntchito yowonjezereka yotsetsereka. Kuyang'ana pafupipafupi mtundu wa mafuta ndi momwe ma bearing alili kumathandiza kupewa kuwonongeka. Magiya a Spur ndi osavuta kusamalira, koma amapanga phokoso lalikulu komanso kupsinjika kwamphamvu. Izi zitha kuyambitsa kuwonongeka mwachangu ngati sizikuyang'aniridwa. Kusamalira bwino mitundu yonse iwiri kumaphatikizapo kuwunika pafupipafupi, mafuta opondereza panthawi yake, ndikusintha ziwalo zosweka kuti zitsimikizire kuti zikugwira ntchito bwino.

Langizo: Kukonza nthawi kumawonjezera nthawi yogwira ntchito ya zida ndipo kumathandiza kupewa kukonza kokwera mtengo.

Phokoso ndi Kugwedezeka

Phokoso Logwira Ntchito

Phokoso ndi chinthu chofunikira kwambiri posankha magiya a makina. Magiya a Helical amadziwika kuti amagwira ntchito mwakachetechete. Mano okhota amalola magiyawo kugwira ntchito pang'onopang'ono. Kulumikizana kosalala kumeneku kumachepetsa phokoso lomwe limapangidwa panthawi yogwira ntchito. Mu mayeso ambiri, magiya a helical amathamanga pafupifupi ma decibel 10 chete kuposa ma spur gear pa avareji. Pa liwiro labwinobwino pakati pa 1000 ndi 3000 RPM, kusiyana kwa phokoso nthawi zambiri kumakhala ma decibel 2 mpaka 4. Makina akamathamanga mwachangu, kusiyana kumakula. Pa liwiro kuyambira 3000 mpaka 5000 RPM, magiya a helical amatha kukhala chete ndi ma decibel 15 mpaka 20 kuposa ma spur gear. Phokoso lochepali limawapangitsa kukhala chisankho chabwino pazida zomwe zimagwiritsidwa ntchito m'maofesi, zipatala, kapena malo ena komwe kugwira ntchito mwakachetechete ndikofunikira.

Magiya opanda phokoso amathandiza kuchepetsa kupsinjika maganizo kwa ogwira ntchito komanso kuteteza kumva pakapita nthawi.

Magulu Ogwedezeka

Kugwedezeka kumakhudza momwe makina amamvekera bwino komanso nthawi yomwe amagwira ntchito. Magiya a Helical amatulutsa kugwedezeka kochepa chifukwa mano awo amagwera m'malo mogunda nthawi imodzi. Kuchita bwino kumeneku kumachepetsa kugwedezeka ndi kugwedezeka komwe kungawononge ziwalo. Makina omwe ali ndi kugwedezeka kochepa nthawi zambiri amakhala nthawi yayitali ndipo amafunika kukonzedwa pang'ono. Komabe, mano opindika m'magiya a helical amapanga mphamvu motsatira mzere wa shaft. Katundu wa axial uyu ayenera kuyang'aniridwa ndi ma bearing apadera. Ngakhale izi zimawonjezera zovuta zina, ubwino wa ntchito yosalala komanso chete nthawi zambiri umaposa njira zowonjezera zopangira.

●Magiya ozungulira: osalala, osagwedezeka kwambiri, koma amafunika kunyamula katundu wozungulira.

●Magiya a Spur: kugwedezeka kwambiri, kapangidwe kosavuta, palibe katundu wa axial.

Zinthu Zokhudza Mtengo

Ndalama Zopangira

Ndalama zopangira zimagwira ntchito yofunika kwambiri posankha zida. Magiya a Helical nthawi zambiri amawononga ndalama zambiri popanga kuposa magiya a spur. Mano ozungulira a magiya a helical amafuna makina apadera komanso masitepe owonjezera popanga.

Zinthu zonse zikafanana, zida zozungulira zimakhala zokwera mtengo nthawi iliyonse.

Zifukwa zingapo zikufotokozera kusiyana kwa mitengo kumeneku:

●Kuvuta kwa magiya ozungulira kumawonjezera ndalama zopangira.

●Kusiyana kwa mtengo kumatha kusiyana kutengera kuchuluka kwa zinthu ndi mano.

● Kuchepetsa ndalama zoyikira pa magiya angapo kungathandize kuchepetsa mtengo wa chinthu chilichonse.

Magiya a Spur ali ndi mano owongoka, zomwe zimapangitsa kuti azipangidwa mosavuta komanso mwachangu. Kuphweka kumeneku kumachepetsa mtengo wonse. Pamene polojekiti ikufunika magiya ambiri, kusiyana kwa mtengo kungachepe chifukwa ndalama zoyikira zimafalikira pazidutswa zambiri.

Kukhazikitsa ndi Kusamalira

Mtengo wonse wa giya umaphatikizapo zambiri osati kungoipanga yokha. Kuyika ndi kukonza ndikofunikiranso. Magiya a Helical amafunikira ma bearing apadera kuti agwire ntchito yonyamula katundu wa axial. Amafunikanso mafuta apamwamba. Zinthu izi zimapangitsa kuti kuyiyika kukhale kovuta kwambiri ndipo kumatha kukweza ndalama zokonzera.

Gome ili m'munsimu likuyerekeza zinthu zazikulu zomwe zimawononga mitundu yonse ya zida:

Magiya a Spur ndi osavuta kuyika ndi kusamalira. Magiya a Helical amatha kukhala okwera mtengo poyamba, koma nthawi zambiri amakhala nthawi yayitali pantchito zovuta.

Kuyenerera kwa Ntchito

Kugwiritsa Ntchito Bwino Kwambiri Zida za Helical

Giya la Helical limagwira ntchito bwino m'makina omwe amafunika kugwira ntchito bwino komanso chete. Mano opindika amathandiza kuchepetsa phokoso ndi kugwedezeka, zomwe zimapangitsa kuti magiya awa akhale abwino kwambiri pamalo omwe chete ndi chofunikira. Makampani ambiri amadalira giya la helical chifukwa cha kuthekera kwake kunyamula katundu wambiri komanso kuthamanga mwachangu. Ntchito zina zomwe zimagwiritsidwa ntchito nthawi zambiri ndi izi:

●Mainjini a magalimoto ndi ma transmission

● Zipangizo zamakina zodulira ndi kuumba bwino

●Mapampu ndi ma compressor m'mafakitale

●Maloboti oyendetsera kayendetsedwe kake

●Ukadaulo wa mumlengalenga wa machitidwe a ndege

● Zipangizo zolemera monga ma crane ndi ma excavator

●Ma Conveyor ndi ma elevator m'nyumba

● Makina osindikizira ndi nsalu

●Makina ogulitsa chakudya ndi pulasitiki

Magiya amenewa amapezekanso m'mahotela ndi zida zophikira, mphero zachitsulo, ndi zophulitsira mpweya. Mainjiniya amasankha zida zozungulira akafuna magwiridwe antchito odalirika komanso zida zokhalitsa.

Langizo: Giya la Helical ndi chisankho chanzeru cha makina omwe ayenera kuyenda mwakachetechete komanso kunyamula katundu wolemera.

Kugwiritsa Ntchito Bwino Kwambiri Zida za Spur

Magiya a Spur ndi osavuta kusamalira. Mano awo owongoka amawapangitsa kukhala abwino kwambiri pamakina omwe safunika kuthamanga kwambiri. Magiya a Spur nthawi zambiri amagwiritsidwa ntchito mu:

●Makina oyendetsera zinthu zonyamulira

●Mapampu ndi ma compressor otumizira madzi

● Zipangizo zamakina zodulira ndi kupanga

●Ma gearbox osinthira liwiro ndi mphamvu

●Makina ochapira ndi osakaniza

●Mapampu a zida zamagetsi m'makina amphamvu amadzimadzi

● Malamba onyamula katundu m'mafakitale

Magiya a Spur ndi otchuka m'mafakitale chifukwa ndi osavuta kuwakonza komanso osavuta kuwakonza. Giya la spur likasweka, ogwira ntchito amatha kulisintha mwachangu pofananiza kukula ndi kuchuluka kwa mano. Izi zimapangitsa kuti magiya a spur akhale oyenera mafakitale ndi malo omwe nthawi yogwira ntchito iyenera kukhala yochepa.

Dziwani: Magiya a Spur ndi abwino kwambiri pamakina omwe amafunikira mphamvu yotumizira mosavuta komanso yodalirika.

Gome la Chidule cha Magwiridwe Antchito

Kusankha zida zoyenera kumadalira zinthu zambiri. Mainjiniya nthawi zambiri amayerekezera magiya poyang'ana zinthu zofunika. Tebulo ili pansipa likuwonetsa momwe magiya othamanga ndi magiya ozungulira amagwirira ntchito m'magawo ofunikira. Chidule ichi chimathandiza owerenga kuwona mphamvu ndi zofooka za mtundu uliwonse wa zida mwachangu.

●Mlingo wa Phokoso: Magiya a Spur amapanga phokoso kwambiri akamagwira ntchito. Magiya a Helical amagwira ntchito mopanda phokoso chifukwa mano awo amalowa pang'onopang'ono.

●Kutha Kunyamula Zinthu: Magiya a Helical amatha kunyamula katundu wolemera. Mano awo opindika amafalitsa mphamvu pamalo ambiri, zomwe zimawonjezera mphamvu.

●Kuthyola kwa Axial: Magiya a Spur sapanga kuthyola kwa axial. Magiya a Helical amapanga mphamvu pa shaft, kotero makina amafunika ma bearing apadera kuti azitha kuyendetsa izi.

●Kugwira Ntchito Mwachangu: Magiya a Spur ali ndi mphamvu zambiri. Magiya a Helical amataya mphamvu pang'ono chifukwa cha kukangana kotsetsereka, koma amagwirabe ntchito bwino.

Langizo: Gwiritsani ntchito tebulo ili kuti mugwirizane ndi mtundu wa zida zomwe mukufuna pa ntchito yanu. Pa ntchito zodekha komanso zolemera, magiya ozungulira nthawi zambiri ndi omwe amasankhidwa bwino. Pa mayankho osavuta komanso otsika mtengo, magiya ozungulira amagwira ntchito bwino.

Chidulechi chikuwonetsa bwino momwe mtundu uliwonse wa zida umagwirira ntchito. Chimathandiza owerenga kupanga zisankho zolondola posankha zida za makina osiyanasiyana.

Kusankha zida zoyenera kumadalira zosowa zanu. Zida za Helical zimapereka ntchito yofatsa komanso mphamvu yokweza katundu. Zida za Spur zimadula mtengo ndipo zimagwirizana ndi katundu wochepa.

Akatswiri a zida amalimbikitsa kuganizira za katundu, phokoso, malo, ndi kukonza. Pa ntchito zofunika kwambiri, funsani katswiri.

FAQ

N’chiyani chimapangitsa kuti magiya ozungulira akhale chete kuposa magiya ozungulira?

Magiya a helical ali ndi mano okhota. Mano awa amagwira ntchito pang'onopang'ono. Kulumikizana kosalala kumeneku kumachepetsa phokoso ndi kugwedezeka panthawi yogwira ntchito.

Kodi magiya a spur angagwiritse ntchito ntchito zothamanga kwambiri?

Magiya a Spur amagwira ntchito bwino kwambiri pa liwiro lotsika mpaka lapakati. Liwiro lalikulu lingayambitse phokoso, kugwedezeka, komanso kuwonongeka mwachangu.

Ndi mtundu uti wa zida zomwe zimakhala zosavuta kusamalira?

Magiya a Spur ndi osavuta kusamalira. Kapangidwe kake kosavuta kamalola kuti aziyang'aniridwa mwachangu komanso kusinthidwa.