Maitiro ekugadzirisa matairi kupfeka

Maitiro ekuziva kuti rabha ipfeke

Pfungwa yakanyanya kukosha yekutarisa kuti unzwisise kuti kupfeka matai kwave kushoropodza uye inguva yekuzvichinja ndizvo zvinoratidza zvekupfeka izvo vanogadzira matai vanonyatsoisa pazasi pemitsara yekutsika. Kazhinji, mavhiri emota anoverenga hushoma hunosara hwekutsika hwakadzika zvichienderana nekuti dhayi rinochengetedza mashandiro aro sei, sekumhanyisa uye kubvisa mvura kubva pachigamba.  

Ramba wakakodzera kutsiviwa kwetaya yakasimba haina kukurudzirwa, sezvo zvinoenderana navo kuchengetedzwa kwevanhu vari mumotokari. 

Iyo isina kudzika kusara kwekutsika kwetairi, zvakanyanya kubvisa mvura kubva pachigamba chekubatana uye, nekudaro, inowedzera njodzi yekuita aquaplaning. Kupfeka padhuze nepamusoro peinotenderwa hakubvumidze kuti unzwe uine chivimbo mukuchinjana, uye pamigwagwa yematombo nemavhu, panobata isina kusimba.

Sei uchiteerera kupfeka

Chikamu chese chemuchina chinopfeka kusvika padanho kana imwe uye chinoda kuchinjwa nekufamba kwenguva. Panyaya yematai emotokari, hunhu hwavo haungokanganisa chete kuchengetedzeka kwevatakuri uye mutyairi mumotokari yakapihwa, asiwo vamwe vashandisi vemugwagwa.

Kuongorora mamiriro ematai ako chikamu chemota yako yekugadzirisa. Mutyairi anoteerera anotarisa nguva nehuremu hwemafuta muinjini, huwandu hwechitonhodza, hutano hwebrake system, uye zvakare magetsi emwenje.

Kudzika kwemufananidzo kwakabatana zvisingaite neakadai zvinhu:

• Kubata mota. Iyo yakaderera kukwirira kwepateni, iyo shoma ivhu uye mvura inozopera, uye izvi zvinowedzera mukana wekutadza kudzora kwemuchina kana uchityaira nepakati pemadhaka. Kana ichikona mumigwagwa yevhu, mota inogona kutsvedza nekuda kwekusabata zvakanaka.

• Braking marefu. Tsika yakasakara inoderedza kubata kwematai kunyangwe pane yakaoma asphalt, iyo inowedzera chinhambwe chemabhureki pasi pemamiriro akafanana ekushanda.

• Kupfeka kusingaenzaniswe kwemasipi kunogona kuratidza kumwe kusashanda kwemotokari, semuenzaniso, kusaenzana mumavhiri kana kudiwa kwekugadzirisa kuenderana kwemavhiri.

Life Hupenyu hwekutengesa mota

Vazhinji vagadziri vanogadza hwakanyanya hupenyu hwemakore gumi. Zvisinei, nhamba iyi ihama. Hezvino zvinhu zvikuru zvinokanganisa kugona kwemota yerabha:

• Kuti tayi yakachengetwa sei;
• Mumamiriro api ezvinhu iyo yaishandiswa;
• Kukwegura kwepanyama.

 Hupenyu hwesherufu inguva yakatarwa nemugadziri panguva iyo tai isingarasikirwe neayo maitiro. Iyi nguva inotanga kubva pazuva rekugadzira, uye kwete kubva musi wekutenga. Ruzivo urwu runogona kuwanikwa parutivi rwetayi. Inoita kunge nhamba ina. Iwo maviri ekutanga anoratidza vhiki, uye mamwe ese anoratidza gore rekugadzira.

Semuenzaniso, kutenga "nyowani" rabha yanga iri mudura kwemakore mana, unogona kuishandisa kweasingasviki makore matanhatu (kana iyo nguva yewarandi yakaganhurirwa kumakore gumi). Kunyangwe dai yaive yakachengetwa nemazvo, rabha inowanzoita zera, ndosaka ma microcracks achionekwa pairi, uye inorasikirwa neyakagwinyika.

Izvo zvakakoshawo kufunga kuti mhando dzakasiyana dzematairi dzakagadzirwa munguva yechando uye yezhizha mashandiro. Iko kune zvakare yechitatu mhando - yese-mwaka. Vamwe vatyairi vanoshandisa iyo kuchengetedza mari.

Semuenzaniso, varidzi vemberi-vhiri rekutyaira mota "shangu" mavhiri ekumashure mune rakadai rabha kuitira kuti vasatenge yakakwana seti yechando uye yezhizha. Muchokwadi, vatyairi vane ruzivo havakurudzire kuita "kuedza" kwakadaro, nekuti iyo "yepasirese" vhezheni ine diki sosi, uye haina kuvimbika semuenzaniso weimwe mwaka.

TMatayi ezhizha

Mukugadzirwa kwematai emotokari, kuti awedzere kusimba, vagadziri vanowedzera rabha mukuumbwa kwayo (kuwedzera kune zvimwe zvinhu zvinokanganisa mhando yechigadzirwa). Iyi polymer inowana akasiyana masitendi pane akasiyana tembiricha:

• pa -70 madhigirii anotanga kujekesa;
• inova fluid pa + 180-200 degrees;
• pa250 rabha inoputsika kuita gasi uye zvinhu zvemvura.

Sezvo muzhizha tembiricha yemhepo uye pamusoro pemugwagwa inodarika kukosha kwema +10 degrees, shoma rabha inowedzerwa mukuumbwa kwematai pane rabha.

Nekuda kwekuwedzera kuomarara, matai akadaro anodzivirira kupfeka kupfuura echando. Iyo yekutsika mairi haina kudzika (kazhinji 7-8 mm) senge mune yechando vhezheni, nekuti basa rayo guru nderekudhonza mvura uye tsvina kubva pasi pevhiri. Nezve sarudzo dzechando, zvakakosha kuti sinou haigare pakati pemamellas, saka pateni iri mavari yakadzika uye yakafara.

Pamusoro pehunhu uhwu, iwe zvakare unofanirwa kutarisa pakutyaira zvitaera zvaunofarira. Kune yakayerwa modhi, mamwe maitiro ematai anodikanwa (pateni, kuomarara, kudzika uye hupamhi hwepateni), yemitambo yekutyaira ine inopinza manejimendi, vamwe, uye yeoffroad, vamwe.

Matai ezhizha haana ruzha sematai echando. Munguva yese yekushanda, vanoona kushomeka kushoma nekuda kwekuchinja kwetembiricha (kunodziya mugaraji munguva yechando, uye chando mumugwagwa), pamwe nekukonzeresa kwakasimba kwehunhu hwemugwagwa (munguva yechando, sinou inogona kuvapo mumugwagwa parwendo rumwe, chando, mvura).

Tichifunga nezvehunhu uhwu, hupenyu hwebasa rematai ezhizha zvinowirirana neizvo zvakaziviswa nemugadziri.

Heino pfupi vhidhiyo bvunzo yemazhizha matai:

Ndeapi matayi achaita kuti mota yako ive nani? Zhizha vhiri bvunzo: 17 inches, mwaka-2018

TMatairi echando

Musiyano wekutanga pakati pematai echando nematai ezhizha ndiko kusimba kwawo nekuda kwekuwedzera kwerubber zvirimo. Pasina iyi polymer, rabha pakadzika tembiricha haingorasikirwa neplastiki chete, asi zvakare inotanga maitiro ekuchinja kwayo kwegirazi. Nekuda kweizvi, kushungurudzika kwakajairika panguva yekufamba kwakanyarara kunogona kuuraya matai ezhizha kana kuchipisa kunze.

Sezvo mota ichigara ichifamba pazvikamu zvakavharwa nesinou munguva yechando, matai echando anoda rutsoka rwakadzama nesepa dzakafara. Nekuda kweizvi, pikicha haina kuvharwa nesinou, uye vhiri "rinonamatira" kwete kune rakapfava dutu rechando nematope, asi kune yakaoma nzvimbo. Aya maitiro akakosha kwete kwete chete kana pakona, asiwo pakutyaira kumusoro.

Heino tafura yekuenzanisira yekuti mashandiro ematai echando anochinja sei pakadzika kwakatsika (semuenzaniso, matai 185/60 R14 ane madhigirii akasiyana ekupfeka anotorwa):

	Nguva yechando, musvine 8 mm.	Nguva yechando, musvine 7,5 mm.	Nguva yechando, musvine 4 mm.
Chando chakabata,%	100	60	48
Sinou kubhururuka,%	100	97	86
Aquaplaning,%	100	95	73
Braking pamusoro yakaoma asphalt,%	100	106	118
Braking pamusoro nyoro Asphalt,%	100	103	93

Tichifunga nezvekuomarara kwechinhu, iko kutsika kwerudzi urwu kwetaya kunopera nekukurumidza kupfuura kwevamwe vemazhizha. Kunyangwe vagadziri vachiwanzo gadzika kusimba kumwechete kune ese ari maviri matai echirimo uye echando, iwo ekupedzisira anokurudzira kuchinja kana uchipfuura

• mutyairi wemotokari (kusvika 2000 kg.) 40-45 000 km;
• rori (2-4 matani) 60 km;
• rori (inopfuura 4 kg.) 000-65 zviuru.

Tarisa zvakare pachiyero chematai echando (2019):

Chiyero chakatendeseka kwazvo che 2019 asina matayi echando matayi!

AkingKugadzira matai anopera nekukurumidza

Pane zvinhu zvinokanganisa mwero wekupfeka kwematai. Chete kucherechedzwa kwemamiriro ezvinhu akanaka kunotendera kuchengetedza mhando yerabha yemotokari mukati memiganhu yakatarwa nevagadziri, asi izvi hazviwanzo kuwanikwa. Hezvino izvo zvinotungamira kukurumidza kupfeka:

• Kwete-kutevedza nemamiriro ekuchengetedza. Iwe unogona kusevha matai pamwe uye uye pasina ma disks, chete iwo mamiriro anozove akasiyana. Matai ane disc anogona kusimudzwa kana kuiswa padivi. Pasina discs, matai anogona kungochengetwa akamira (kwete akamiswa). Imba yacho inofanirwa kuve nemhepo yakachena, mwaranzi yezuva haifanire kuwira parabha (makavha akakosha anogona kushandiswa), haifanire kunge yakanyorova kana kuoma mairi.

• Kumanikidza kusiri iko. Kana zvinodzvinyirirwa zvasangana (kazhinji izvi zvinokurudzirwa zvinoiswa nema automaker paB-mbiru padivi remutyairi kana mukati mekapu yegasi), iko kutsika kunopfeka zvakaenzana. Kutasva pamatai akafuridzirwa kana akaputika anopfupisa nguva pakati pekutenga matsva matsva.

• Iyo mhando yezvinhu. Mhando dzemabhajeti dzinowanzo kutadza mushure memwaka inguva miviri yekushanda, uye marangi anogara kwenguva yakareba - mana, uye dzimwe nguva manomwe.
• Iyo mhando yemugwagwa pamusoro. Giraidhi inopinza, makomba akapinza-mativi, mapundu, nezvimwe. inogadzira isina kukwana yakawandisa mutoro, iyo inotungamira kune deformation yerabha.

• Kutasva maitiro. Sharp kumhanyisa uye mabhureki, kutyaira kumhanya kumhanya, kupinza kutendeuka - izvi zvese zvinogona kudzora hupenyu hwekushanda kwematai.
• Kakawanda kuwanda kwemuchina. Mutoro unorema unofambisa giravhiti kuseri kwemotokari. Kakawanda kushanda mune iyi modhi hakuzodi chete kutsiva matai ekumashure, asi kunogona zvakare kukonzera kukuvara kune izvo zvinhu zvekumisa.

Ndeipi njodzi dzekukwira pamatai akasakara?

Chekutanga pane zvese, kutasva pamatairi akasakara kwakazara netsaona. Munguva pfupi inotevera, nekuda kwekucheka kana kubaya, vhiri richaputika panguva yekutyaira nekukurumidza, izvo zvinomutsa shanduko inopinza mukufamba kwemotokari. Haasi mutyairi wese uye kwete mune zvese zviitiko anokwanisa kurarama nekutyaira mota yakadaro. Mune mamiriro akanakisa mamiriro, mota icharova bump stop kana imwe nzira yemugwagwa.

Dambudziko repiri rekukwira pamatai akasakara ndeyekusadhonzera. Izvi zvinonyanya kutyisa munguva yechando uye mumamiriro ekunze akanyorova. Sezvo tembiricha yemugwagwa uye nharaunda zvinodzikira, matai anobva aserera, izvo zvinowedzera kudzikisira traction. Kumhanyisa, kufambisa uye mabhureki - zvese izvi zvinorasikirwa nekushanda kwayo. Izvi zvinoita kuti kutyaira muchina kuve nenjodzi.

Sezvaunoziva, matai echando ane yakadzika yekutsika, iyo inopa kutenderera kwevhiri nemugwagwa, uye kwete nechando chisina kugadzikana. Sezvingatarisirwa, iyo isina kudzika ma grooves, iyo isina kudzikama mota ichave iri muchando. Kana iwe ukarova puddle nekumhanyisa, iko kuzere kusavapo kwemasipi kuchatungamira kune aquaplaning.

Asi tsoka yakasakara inoita kuti mota igadzikane pane asphalt yakaoma. Icho chikonzero ndechekuti mhanza yerabha inopa kubata kuri nani pane ino nzvimbo nekuda kwenzvimbo hombe yekubata. Kunyangwe izvi, mutyairi wega wega anosungirwa kuongorora mamiriro ematai emota yake.

YpMhando dzekupfeka kwematai uye zvikonzero

Dambudziko mune dzimwe nzvimbo dzemotokari rinogona kukanganisa mamiriro etsika. Ichi chiratidzo zvakare dzimwe nguva chinoratidza kuti mota iri kushandiswa zvisirizvo.

Ruzivo urwu rwunokubatsira kuona kuti mutyairi ari kutadzei kana kana kusarongeka kuchioneka mumotokari. Izvo zvakare zvinouya zvinobatsira kana iwe ukafunga kusarudza kutenga matairi akamboshandiswa. Pazasi pane makuru marudzi ekupfeka uye izvo zvavanoratidza.

OrmZvinowanzoitika

Tsoka yakasakara yakasakara inoratidza kuti matai akachengetedzwa zvakanaka. Izvi zvinoshandawo sechiratidzo chekugadzirisa chaiko kwechassis yemota. Pamusoro pekupfeka, zvakakoshawo kuti utarise kuvapo kwema microcracks.

EntCentral

Zvinotaridza kuti mota iri kutyaira pamusoro-pumped wheel. Sezvo rabha rave rakaomarara nekuda kwekuwedzera kwekumanikidza, vhiri rinonamatira kumugwagwa chete muchikamu chepakati.

IlBilateral

Rudzi urwu rwekupfeka rwakajairika pakumhanya pamatairi akatsetseka. Mune ino kesi, iyo yekubata chigamba inofamba ichienda kumacheto. Mbabvu dzinoomesa dzakatakurwa, uye yakaoma nzira yemugwagwa inoita basa rayo.

📌 Rimwe-divi

Rudzi urwu rwekupfeka rwunowanzoitika kune mota dzine zvisirizvo zvakaiswa axle geometry. Kana matai akasakara zvakanyanya mukati, saka izvi zvinoratidza zvakaipa kamuri. Kunze kwekupfeka chiratidzo checamber yakanaka.

Akadzika-emhando marimu anogona zvakare kuve dambudziko. Pasi pemasimba akasimba (gomba rine yakapinza micheto, muganho, nezvimwewo), inogona kuumbika, asi nechokunze inogona kunge isingaoneke.

📌Spots

Uku kupfeka kunowanzo kuratidza kusaenzana kwevhiri vhiri. Kana kuenzanisa kusingabatsire kugadzirisa dambudziko, unofanirwa kutora mota kuchiteshi chesevhisi yekumiswa kuongororwa. Levers inogona kunge isina kukwana kana damper struts.

IformYunifomu pane rimwe tai kubva pairi neine imwe ekisero

Izvo zvinoitika kuti vhiri reruboshwe rakasakara kupfuura iro chairo (kana zvinopesana). Zvingangodaro, izvi zvinoreva kuti pakutenga masilinda matsva, muridzi wemota haana kutarisa zuva rekugadzirwa kwavo. Matai kubva kumabatch akasiyana anogona kupfeka zvakasiyana. Kana ichi chisiri icho chikonzero, ipapo gadziridzo yemavhiri inofanira kuongororwa.

AwSawtooth

Zvekutyaira pane yakasununguka uye yakanyorova ivhu, akakosha matayi anogadzirwa - "alligator" kana "bhatani". Ivo vanozivikanwa neyakavakirwa pateni ine yakatenderera mativi. Kupfeka kweSawtooth kunogona kuoneka pamatairi aya. Izvi zvinoitika nekuda kwekufamba kazhinji mumigwagwa isina tara.

Zvakare, dambudziko iri rinoonekwa kana gumbo chigunwe chisina kukodzera.

Uye zvakare, tarisa vhidhiyo pfupiso yemhando dzakajairika dzekupfeka uye maitiro ekuzvigadzirisa.

Isingaenzaniswi kupfeka kupfeka: zvinokonzera uye maitiro ekuzvigadzirisa

📌Nzira dzekutarisa kusakara

Kune nzira dzinoverengeka dzekutarisa kukodzera kwematairi kuti ashandiswe zvekare. Ngatikurukurei dzakakurumbira ndivo.

Chiratidzo cheWear

Iko kushoma kwekusara kwekutsika kwakadzika kwematai ezhizha uye echando ndeye 1,6 mm. Vagadziri vanowanzoisa zvirevo zvavo zvekupfeka zvinobvumidzwa pakureba uku nekushivirira kudiki munzira huru. Iwe unogona kuyera kudzika kwenzvimbo yavo uchishandisa yakasarudzika yakadzika gaji kana mutongi. Muchiitiko chechipiri, kukosha kwacho kunogona kunge kusiri iko kwechokwadi. 

Kuwana izvi zviratidzi kuri nyore zvakakwana. Ivo vari nechepazasi pekutsika grooves yetaya, uye padiviwall vanoiswa mucherechedzo wakakosha weTWI. Pane imwe nzvimbo kumaka uku kunogona kutaridzika kunge chinyorwa, mumwe munhu anochinyorera nekatatu, uye vamwe vagadziri vanodhirowa mapikicha nemarogo avo.

IndicatorDigital yekupfeka chiratidzo

Vamwe vanogadzira matayi vanoshandisa yakasarudzika sisitimu yenhamba - indexes, iyo inobatsira mutyairi kuona mwero wekupfeka kwerabha. Nhasi, kune matatu makuru marudzi edhijitari zviratidzo: 

• Nenhamba dzinoverengeka kubva pa2 kusvika pa8. Kuisa chiratidzo kunoitwa mumamirimita.
• Yakapatsanurwa, mune manhamba anosvinwa kunze kunzvimbo imwechete pakadzika kwakasiyana. Nekupfeka, iyo kukosha inoshanduka kuratidza iwo mwero wekupfeka. 
• Nenhamba dzinoverengeka. Iko kumaka kunoitwa sepesenti yekukwira pakukwira.

Kuti uone kupfeka kwetaya nenzira iyi, hapana zvimwe zvekushandisa zvinodiwa. Zvese zvinova pachena pane kamwechete pekutarisa parabha.

📌 Ruvara shanduko vhiri

Inonakidza nzira tsanangudzo kusakara nekubvaruka kwematai, ayo akauya neveChinese vagadziri. Inosanganisira kushanduka kwemavhiri, zvichienderana nehukuru hwekurwadziwa. Zvishoma nezvishoma, iyo yekutsika ruvara inoshanduka kubva nhema kusvika yakajeka orenji. 

📌 Mbiri yakadzika geji

Ichi chishandiso chinokutendera kuyera kudzika kwenzvimbo dzekutsika. Zvichienderana neshanduro, zvinogona kuve zvemuchina kana zvemagetsi. Kuongorora kupfeka kwerabha negeji kunoonekwa seyakanyanya kunaka, nekuti zvinokutendera kuti "unongedze" kuongorora chikamu chimwe nechimwe chinonyumwa chetaya. 

Midziyo iyi inowanikwa zvakanyanya mumusika uye inodhura. Iwe unogona kutenga yakadzika yekutsika gauge pane chero chero mota yekutengesa mota kana paInternet.

LlAnotenderwa anotsika kusakara kwemazhizha uye echando matai

Maererano nemutemo, iyo yakadzama kudzika kwepateni yematai ezhizha ndeye 1,6 mamirimita, uye yematai echando - 4 mamirimita.

Pamusoro pekukamurwa uku, pane zvimwe zvakagadziriswa zvemhando dzakasiyana dzemotokari (matai ezhizha):

Rudzi rwemotokari:	Limit kupfeka kukosha, mm.
Passenger uye yakaderera-tonnage nhumbi	1,6
Cargo	1,0
Bhasi	2,0
Piki	0,8

Kune akakura maficha matai ezhizha, yakatarwa hushoma kukosha iri 1,6mm. zvishoma, saka nyanzvi dzinokurudzira kuritsiva nehuremu hwekutsika hwakadzika hwe3,0 mm.

Usamirire kuti rabha ipere kusvika padiki. Izvi zvinowedzera mukana wekuwedzera mabhureki mumigwagwa yakanyorova uye aquaplaning, sezvo kutsika kwacho kusisiri kushanda mukubvisa mvura kubva pachigamba.

Mhedzisiro yekuverenga kupfeka

Kuti unyatsoverenga kuverenga kwetai, iwe unofanirwa kuvimba nezvakawanda kupfuura kungosara kwemhando yepasi. Iko muzana yechiratidzo ichi icharatidza kana zvakakodzera kutenga imwe modhi yakashandiswa kana kuti zviri nani kuchera nekutenga kititi nyowani. Ichi chiratidzo chinoverengerwa uchishandisa inotevera fomula:

Z = (Amax-Anow) / (Amax-Amin) * 100%

Z ndiyo muzana yekupfeka pane rimwe tai.

Amax ndiko kukwirira kwekutanga kwemufananidzo. Ichi chiratidzo chinogona kuwanikwa mukutsanangurwa kwehunhu pane webhusaiti yemugadziri. Kana ruzivo rwakadai rusingawanikwe, saka unogona kutarisa paavhareji kukosha. Kune matai echirimo ari 8 mm, uye kumatayi echando - 9 mm. (yemuchinjikwa-nyika modhi - 10 mm.)

Anow ndiko kukwirira kwazvino. Iyi nhamba inowanikwa nekuyera kudzika pamatanho matanhatu kusvika gumi. Iko kukosha kushoma kunoiswa muchimiro.

Amin ndiyo yakaderera kukosha inobvumidzwa kune imwe nadzurudzo (tafura iri pamusoro).

Fomura iyi ichabatsira kuona hupenyu hwetaya hwasara.

Ona nei usingafanire kumirira kuti iko kutsika kuti upfeke pasi kune iwo mashoma anotenderwa kukosha:

Nguva yekuchinja matai? Unoziva sei kuti matai ako asakara? 2018

Onc Mhedziso

Kunyangwe mutyairi wega wega achifanira kugara achiongorora kukwirira kwepateni, zvakakodzera kutarisisa hupenyu hwechigadzirwa (zvinosvika makore gumi). Kunyangwe kana iyo yekutsika isina kuwana nguva yekupera panguva ino, iyo rabha inorasikirwa neayo masitendi. Kuwedzera kwaro kusimba, kunova kupfava, kutsemuka uye oxidize. Muchiitiko ichi, kutsiva kunofanira kuitwa panopera hupenyu hwebasa.

Kugadziriswa kwakakodzera kwechassis uye kumiswa kwemota, kumanikidzwa kwakakodzera uye kwakaringana mwaka yekuchengetedza kunobatsira kuwedzera hupenyu hwematai panguva yekushanda kwemota.

Mukupedzisa, tinopa vhidhiyo ipfupi pane zvinogona kuva nengozi kutenga "nyowani" rabha pamaoko ako:

Kubiridzira Kunogona Kutorera Hupenyu Hwako

Mibvunzo yakajairika:

Maitiro ekutarisa kupfeka kwetairi? Mavhiri ekutyaira achasakara zvakanyanya. Kurema kupfeka kunozoonekwa ipapo pakuonekwa kwekutarisa vhiri.

Nzira yekuyera sei yakadzika yekutsika? Iyo yekutsika yakadzika geji inoshandiswa kuona kudzika kweteki yekutsika. Kuyerwa kunofanirwa kutorwa pamusoro pevhiri rese munzvimbo dzinosvika sere. Iko kushoma kukosha kunotarisirwa. Usavimbe nematairi echiratidzo sezvo kusakara kungave kwakaenzana.

Mangani mamamita ekutsika ane vhiri idzva? Nguva yechando semi-inotsvedza (mijaho) ine yakadzika yekutsika inosvika kusvika 17mm. Kunze-munzira kugadziridzwa - pamusoro pe17mm. Standard rabha ine patani yakadzika ye7.5-8.5mm (zhizha) uye 8.5-9.5mm (yechando).