Kekuna da aluminum frame: da amfani ko rashin amfani. nadawa kekuna

Kekuna da aluminum frame - daya daga cikin rare a kasuwa yau. Wannan shi ne saboda su matsa abu a hade tare da low cost. Idan musamman nauyi na karfe ne 7.8 grams da cubic santimita, sa'an nan cikin kudi na aluminum - game 2.7 grams. By thickening garun kaya ma outperforms baƙin ƙarfe matsayin m siga ne 0.8 mm, da samfurin zai auna kasa da wani karfe frame 0.4 mm m. AMINCI ne kara ya karu saboda babu welds. Bugu da ƙari kuma, aluminum Frames za a iya yi a cikin daban-daban jeri. La'akari da su musamman amfani ko rashin amfani.

description

Kekuna da aluminum frame saboda low nauyi samun hanzari a kan su sauki hawa. Domin wannan dalili ne, bike tsaya a nan sauri bayan da mahayi tsaya a nan pedaling. Aluminum a cikin tsarki tsari aka yi amfani, da wannan yana nufin wani abu gami gare tare da tutiya, manganese, nickel, jan ko magnesium.

A wadannan kekuna mafi wuya ga shigar da kaifi jũya, kamar yadda suka tsauraran karfe takwarorinsu, ba haka ba ne mai kyau za a iya lankwasa. Saboda da stiffness na firam makamashi daga} o} arin da mahayi da aka canjawa wuri zuwa ƙafafun da karami hasarori. Irin wannan tausasãwa taka rawa ga kwararru, da koyo ba m bangaren. M zama stiffer da kasa dadi tafi. Kekuna da aluminum frame kusan bice vibrations daukar kwayar cutar da wurin zama da matuƙin jirgin ruwa a kan m saman da bumps. Domin wannan bike bukatar kyau cushioning naúra da kuma wani dadi wurin zama. Wannan zai ba da damar da leveling na bumps, wanda idon shafi tafi.

Goodies

Bari mu fara da abũbuwan amfãni daga cikin samfurin a cikin tambaya. Wadannan sun hada da:

• Kananan taro, wanda damar inganta gudun da hanzari halaye.
• Matsakaicin jure lalata tafiyar matakai.
• High tuki yi, ko lokacin tuži Uphill.

fursunoni

Kekuna da aluminum frame yana da yawan disadvantages, wato:

• High stiffness, wanda aka musamman ji a cikin model ba tare da dakatar da cokali mai yatsu.
• Rapid asarar cika. Saboda da low nauyi na bike da aka tsaya sauri sauri fiye da analogue da karfe frame, bayan da cyclist tsaya a nan pedaling.
• Kananan aiki hanya a lokacin da mai aiki aiki. A cikin'yan shẽkaru, wannan na iya haifar da fasa. Masana'antun bayar da tabbacin daga 5 zuwa shekaru 10, amma bayan wannan lokaci, shi ne shawarar zuwa sa mai da abu zuwa a duba ma zai yiwu deformations.
• Fadowa a kan wani aluminum frame mafi girma Yiwuwar faru na dents.
• A matalauta maintainability. Tafasa irin wannan daki-daki ne sosai matsala, shi ne mafi alhẽri saya wani sabon daya.
• Ã'a high farashin.

Nadawa kekuna da aluminum frame

Ga wasu m brands na irin wannan, da kuma kira su taƙaitaccen bayanin:

1. Dear birni bike Strida SX alfahari da asali waje. Yana folds zuwa karami size manyan motoci, wanda za a iya hawa kan nasu. A matuƙin jirgin ruwa kuma za a iya canja. By keke pluses hada da cewa igiyoyi da wayoyi da aka boye a cikin kogo da firam, shi ne mai sauki zuwa tara, yana da wani akwati, Disc birki. Tare da kyau maneuverability na naúra weighs kawai 11.6 kg. Daga cikin minuses - a kananan iya aiki, kunkuntar ƙafafun, bad amortization.
2. Smart 20. Mai salo birane bike, dauke daya daga cikin mafi kyau a farashin category. Za a iya amfani da mata ba tare da wani matsaloli. Daga cikin abũbuwan amfãni - robust firam, m canji inji, gaban reflectors da wasu na'urorin haɗi. A disadvantages ne rashin wani manual birki da kuma ingancin da jeri na fuka-fuki.
3. "Stealth" bike. Aluminum frame model "Pilot-710" ba ya tsoma baki tare da ci gaba da softness. Kai da samun gudun coasting ya m zane, a cikin retracted matsayi aka sanya a cikin wani kaya daki na wani abin hawa, sanye take a matsayin misali akwati kewaye da kariya. A disadvantages ne gaban m handlebars da wani m Fit domin tsayi mutane. Target gyara tashar - birni tafiya.

Yara kekuna da aluminum frame

Kasa shi ne taƙaitaccen bayanin wasu daga cikin yara da kuma matasa model:

• Mars. Wannan bike da aka tsara don yara daga shekaru 3. Hade ne ƙarin polyurethane ƙafafun. A frame da cokali mai yatsu an sanya daga aluminum gami, akwai wani kayyadewa na lif. Dabaran diamita - 12 inci, da taro na model - 4.5 kg.
• Forward Timba. Daya daga cikin mafi kyau nadawa bike da wani aluminum frame yara 6-9 shekaru. Shi yana da kyau zane, m price, sarkar tsare da wani aminci m ƙafafun. A disadvantages mai kyau nauyi (game da 14 kg) da kuma bukatar daidaita wasu m raka'a.
• Shulz Max. Wadannan yara kekuna da aluminum frame dangantaka da talakawan farashin category. Mass bike ne 14.3 kg. Ya mayar da hankali ne a kan matasa 12-16 shekara, yana da wani kaya damar zuwa 110 kg. Abũbuwan amfãni daga cikin model ne a saukaka taro / disassembly, mai kyau gudun sa, equipping a 20-inch ƙafafun da inganci. Daga cikin disadvantages - ba daidai ba factory saitin, da birki takalma na m quality.

Features

A lokacin da zabar wani bike ne sau da yawa tambaya na aluminum ko karfe keke firam zuwa zabi. A karshe yanke shawara dogara a kan kudi damar da mai saye, da manufa na'ura da kuma kayadadden bukatun na mai amfani. Ya kamata a lura da cewa yi na lokacin farin ciki-walled aluminum Tsarin ana amfani da manyan diamita bututu.

Wannan shi ne saboda gaskiyar cewa, bisa ga dokokin kimiyyar lissafi, idan bututu size kara sau biyu ta rigidity kara sau takwas, yayin da kara da bango kauri sau biyu da rigidity index ne ya karu da wannan adadin. Saboda haka, da diamita daga zaɓuɓɓukan da akwaisu kara fĩfĩta.

Yawanci, da m bututu bango kauri a kan wani aluminum frame ne 0.8 mm. masana'antun sau da yawa yi battirovaniya tube Hanyar ko da amfani da daban-daban giciye-sassan, wanda kuma damar domin waye samfurin.

used gami

Akwai da yawa aluminum gami da yin keke Frames. Mafi na kowa ne iri 7005T6 da 6061T6. T Index nuna cewa abu ya wuce thermal aiki. Alal misali, a samfur na 6061 ne mai tsanani ga 530 digiri Celsius, sa'an nan rayayye sanyaya ruwa. Next, a kan 8 hours Material artificially an tsufa a 180 digiri. The fitarwa ne gami 6061-T6. Analog a karkashin lambar 7007 ne iska-sanyaya maimakon ruwa.

Kasa nuna kamanta halaye na kayan kafin da kuma bayan zafi magani (cikin baka):

• Gami 2014 (2014T6) - tensile ƙarfi ne 27 (70) dubu PSL, yawan amfanin ƙasa ƙarfi -. 14 (60), da kashi elongation - 18 (13), wani Brinell taurin - 45 (135).
• Similar fihirisa daga cikin kayan 6061 (6061T6) - 18 (45) 8 (40), 25 (17), 30 (95).

A farko gami da aka yi amfani da kashi 4.5% na jan karfe, 0.8% carbon da manganese, 0.5% magnesium. Na biyu abu ya hada da 1% magnesium, 0.6% silicon, 0.3% jan karfe, 0.2% chromium, game da 0.7% baƙin ƙarfe.

a ƙarshe

Karfi fiye da duk bike 16 "aluminum frame wanda aka yi da gami 70005 ko 7005. Duk da haka, analogue 6061 technologically, da damar yin na shi a bututu tare da wani hadadden giciye-sashe, kuma wannan qara ƙarfi daga cikin samfurin. Bugu da ƙari kuma, irin aluminum ne mafi amenable ga waldi. A lokacin da zabar da irin keke frame , la'akari da kudade da kuma yi nufin amfani da keke. Domin yin aiki da kyau na bike da firam na wani abu, ciki har da karfe, aluminum ko carbon fiber, shi zai šauki tsawon lokaci.