904L 9.52 * 1

Ariko nkuko nandika iyi nkingi ya buri kwezi, ngamije imyumvire itandukanye, nko gutwara imodoka ya 70s ya gari ya moshi ya Ford hanze yumuhanda no kwerekana moto na sitasiyo.Urugendo rwashimishije, rworoshye, rufite ibitekerezo byiza kandi ruhagarara kuri buri nzu ndangamurage yimodoka, umurima winzoka nubuvumo bwa stalactite.

Ibisobanuro

904L 9.52 * 1.24mm Abatanga ibyuma bitagira umuyonga

alloy 904L tubing (UNS N08904) kugirango ikoreshwe muri porogaramu zisaba kwihanganira ruswa iringaniye.Alloy 904L ni karubone nkeya ya alloy austenitike idafite ibyuma, byakozwe mbere kugirango irwanye ruswa muri acide sulfurike.Kubera guhuza chromium, nikel, molybdenum n'umuringa, iki cyiciro cyateje imbere cyane kurwanya aside igabanya cyane cyane aside aside.Alloy 904L tubing nayo irwanya cyane igitero cya chloride iturutse kubitaka / kwangirika no guturika.Alloy 904L ntabwo ari magnetique mubihe byose, ifite ubukana butangaje, kandi ifite imiterere myiza no gusudira.

Kubera iyi miterere, umuntu arashobora kubona alloy 904L tube muri progaramu nyinshi.Izi ntera kuva inteko ya scrubber yingirakamaro kugeza ibikoresho bya acide nifumbire mvaruganda, gutunganya impapuro, gutunganya amazi yo mu nyanja.904L ikoreshwa mubikorwa birimo acide sulfurike cyangwa fosifori, 904L yerekana uburyo bwiza bwo kurwanya ruswa.Impapuro, gaze, imiti n’inganda nazo zikoresha 904L mukurwanya no gukoresha kuri dogere 400-450 C. Imiyoboro ya Alloy 904L irashobora gusudwa, kuyikora, kuyivura, gushyushya, gukomera hamwe nimbeho ikora kubintu byinshi.

UNS NO8904, izwi cyane ku izina rya 904L, ni karubone nkeya ya alloy austenitike idafite ibyuma bikoreshwa cyane mubisabwa aho ibintu byangirika bya AISI 316L na AISI 317L bidahagije.

Kwiyongera kwumuringa muriki cyiciro birayiha kwangirika kwangirika kurenza ibyuma bisanzwe bya chrome nikel bitagira umuyonga, cyane cyane acide sulfurike, fosifori na acetike.Ariko, hariho imikoreshereze mike hamwe na acide hydrochloric.Ifite kandi imbaraga nyinshi zo gushira mubisubizo bya chloride, birwanya cyane imyobo ndetse no guturika kwangirika.Alloy 904L ikora neza kurusha izindi ibyuma bya austenitis bitagira umuyonga kubera kuvanga cyane kwa nikel na molybdenum.

Urwego ntabwo rufite magnetique mubihe byose kandi rufite uburyo bwiza bwo gusudira.Imiterere ya austenitis nayo itanga iki cyiciro ubukana buhebuje, ndetse no munsi yubushyuhe bwa cryogenic.

Ibintu byinshi bya chromium biteza imbere kandi bigakomeza firime ya pasiporo irinda ibintu ahantu henshi hashobora kwangirika.904L ifite imbaraga nyinshi zo guhangana n’imvura ya ferrite na sigma icyiciro cyo gukonjesha no gusudira kurusha ibindi byuma bitagira umwanda birimo molybdenum nka 316L na 317L.Nta ngaruka zo kwangirika kwa intercrystalline ku gukonjesha cyangwa gusudira bitewe na karubone nkeya.Ubushyuhe bwa serivisi ntarengwa buri kuri 450 ° C.

Uru rwego ni ingirakamaro cyane mugucunga no gukoresha ibikoresho byo kuvoma aho 316 na 317L bidakwiriye.

904L ibyuma bidafite ingese bihuza molybdenum n'umuringa hamwe nicyuma kugirango byongere imbaraga zo kurwanya aside nka acide sulfurike.Irahagarara neza cyane kuri chloride mubidukikije kugirango habeho kwangirika no kwangirika, hamwe no gucika intege.

904L Umuyoboro wibyuma hamwe nigituba Ibicuruzwa Urwego 904L Umuyoboro wibyuma hamwe nigituba Ibisobanuro: ASTM A / ASME SA 269/677 904L Imiyoboro idafite ibyuma hamwe nubunini bwikigero (Ikidodo): 1/2 ″ NB - 8 ″ NB 904L Imiyoboro idafite ibyuma. Ingano (ERW): 1/2 ″ NB - 24 ″ NB 904L Imiyoboro y'icyuma idafite ingano hamwe na Tubes Ingano (EFW): 6 ″ NB - 100 ″ NB

. .Ibintu bisa ariko ntabwo byanze bikunze bisa nkibindi bicuruzwa nka pipe, tube na bar muburyo bwihariye.

Porogaramu

904L ibyuma bidafite ingese bikoreshwa cyane mu nganda z’imiti, imiti, peteroli na gaze.Porogaramu zisanzwe zirimo tanks, valve, guhinduranya ubushyuhe, flanges na manifolds.Kwiyongera k'umuringa mubigize 904L ibyuma bidafite ingese bifasha bikwiranye nibigize nka tanks nibindi bicuruzwa bikoreshwa mugutunganya aside sulfurike na fosifori.

Muri uku kwezi, nzaba ntwaye ibirometero bike munsi ya Ford odometer nsuzuma ingaruka zibicuruzwa bya Ron Sutherland biheruka gutwarwa nubu: $ 3.800 transimpedance dynamic preamplifier yitwa SUTZ.Mu nzira, nzasubira kandi kuri $ 1250 Dynavector DV-20X2 ya karitsiye ya dinamike maze ndebe icyaba cyiza mumurongo wa karitsiye ya Dynavector: $ 2150 XX-2 MKII.
Hanyuma, nzajya nduhuka, mve mu modoka, kandi nzongera kumenyana na Lounge Audio ya $ 355 ya Copla preamp, nkaba ndayakoresheje nshishikaye kuva nasubiramo muri Gashyantare 2018, ariko sinigeze nandika kuva nayisuzuma.
Sutherland Engineering SUTZ namaze umwanya munini ngerageza kwiyumvisha urusaku rwa electromagnetique yose iterwa no kuzunguruka inkoni ihujwe na coil runaka mumashanyarazi.Natekereje ku byuma byanditseho ibiti biva mu rushinge ruto / cantilever / coil, kurambura insinga ya tension no kunyeganyeza coil binyuze mumirongo ihamye yingufu zakozwe na rukuruzi ntoya cyane.Mugihe ibishishwa byanyuze mumashanyarazi ya rukuruzi, umuyoboro uterwa n'uburebure bwazo.
Nize gushushanya igice cyamategeko ya Faraday mumashuri abanza.Mu mashuri yisumbuye, umwarimu yasobanuye amategeko ya Lenz, ndetse bikaba byari bigoye kubyumva: “Uburinganire bw’umubyigano uterwa n’imihindagurikire y’amazi ya magneti butera umuyoboro w’umuriro wa magneti utandukanye n’impinduka yabuteye.”
Igitangaje ni uko amategeko ya Lenz no kwanga magnetique byaje mu bwenge bwanjye mugihe nagerageje kwiyumvisha uburyo ibyiciro byamajwi bigenzurwa byakora nimpamvu byagira ingaruka kumajwi ya cassette murubu buryo.Uku kwibuka kwatumye ntanga igitekerezo ko gupakira amakarito yimodoka hamwe numuzunguruko mugufi (nta voltage yinjiza) byongera umuvuduko unyura mumashanyarazi ya karitsiye, ari nako bigabanya amategeko ya Lenz gusubira inyuma, bityo bikagabanuka kugirango bigere kumurongo munini ushoboka wa cantilever coil (akajambo k'epfo 1).
Hanyuma nagerageje kwiyumvisha uburyo iyi damping iriho yagereranwa na damping yatanzwe na gakondo ya shunt irwanya imbere ya stade ikora.Nahoraga ntekereza ko itandukaniro ryose mumitwaro / damping bigira ingaruka kuburyo stylus ikurikirana neza ibice byanditse, kandi naje gufata umwanzuro ko itandukaniro ryo gusiba (ibyo aribyo byose) bifite inshingano zo gutandukana mugukurikirana, guswera. urusaku, visceral umva Impamvu zirambuye no kugoreka intermodulation.
Kugeza ubu, nashize ahabona ibyiciro bya fono byapimwe, ibyiciro bitandukanye byo guhinduranya intambwe, hamwe na fonctionnement eshatu "transimpedance": Copla ya Lounge Audio ya $ 355, icyiciro cya fono ya Dynavector ya P75 MK3 kumadorari 895, hamwe na Little Loco ya Sutherland Engineering. $ 3.800.
Mu mateka, uburyohe bwanjye mugukina fonografiya bwatonesheje impinduka nini-nikel yo hejuru igerageza kurenza ikirere hamwe na filime ya RIAA tube EQs.Mperuka, nubwo, nagiye nkurikirana amakuru yo murwego rwo hasi, rwinshi cyane kuva muri Sutherland Engineering Ntoya ya Loko igenzurwa na fono ibyiciro nakoresheje hamwe na My Sonic Lab yohereza umusaruro muke (0.3mV), impedance nke (0 .6 ohm) Ultra Ikomeye EX dinamike.Loco ntoya isa niyongera buri kantu kose iyi cartridge itanga.Ugereranije nijwi rya Eminent EX kuri stage kuri Parasound Halo JC 3+ ya fono, combo yanjye My Sonic-Loco yakinnye nini (ukurikije ishusho n'umwanya w'amajwi) kandi yoroshye (ukurikije imiterere nubunini) - hamwe ikuzimu inyuma.Izi ni inyandiko zicecetse.
Mu buryo butunguranye rero ndumiwe: nigute nabona guceceka kwumuzunguruko mugufi hamwe na microdata idafite ingano ntiriwe mpatirwa kureka CinemaScope na tekinoroji ya RIAA?
Nasobanuriye iki kibazo inshuti yanjye Chad Stelly, wazanye ikibazo inshuti yacu dusanzwe Ron Sutherland wo muri Sutherland Engineering (akajambo k'epfo 2);Ron yahise asubiza ati: “Nabikemuye!”Icyumweru kimwe, ninjiye.Ron aherutse kuvumbura, "SUTZ" transimpedance preamplifier, kugeza kuri 47 kΩ yimuka ya magnet yinjiza ya Tavish Design Adagio all-tube phono icyiciro.
Ijambo rya SUTZ riva muri Sutherland Engineering rikoresha chassis imwe ya 17 x 2 x 13 ″ kimwe na Lokoro Ntoya nasobanuye muri Mutarama 2022.Mubyukuri, SUTZ isa neza na Loko nto imbere no hanze.kimwe kimwe gisimbuka-gikora inyungu igenamiterere nka Ntoya.Mbajije inyungu SUTZ ifite, Ron anyandikira ko SUTZs zose zizaza zifite ibice bitanu byunguka, ariko aransebya.Transimpedance amplifier nta "nyungu" kuko ibice byinjiza (amperes) bidahuye nibisohoka (volt).“(Akajambo k'epfo 3)
Mbere yuko ntangira, nkwiye kuvuga ko itsinda ryibigize nkoresha aribyo nise sisitemu ya tube yose "real-fi": cartridge ya fono na transformateur-intambwe ihujwe na 10.5 ″ ukuboko kwa Thomas.Schick Dr.Muri iri genzura, nahoraga nibutswa uburyo nakunze iyi sisitemu nuburyo yanditse hamwe nijwi ryuzuye kandi byafashwe amajwi kuruta sisitemu zose nubatse kuva natangira kwandika kuri Stereophile.
Dynavector DV-20X2 Kuva nabisubiramo muri Gramophone Inzozi # 10, nta cassette yo mucyumba cyanjye yakinnye disiki nyinshi kurenza $ 1,250 Dynavector DV-20X2.Njye namaze amasaha amagana ayikinisha byibuze icumi.Irakina uburyo nkunda amakarito ahindagurika: guhina, kwihuta, no gushishoza.Afite mojo-vivo ihagije kugirango akore amajwi afite ingufu hamwe na transfert zikarishye, byose mugihe aruhutse rwose.Kuri iki giciro, amakarito make arashobora gukora byombi.Abantu benshi ntibashobora.
Ndetse nigihe cyose cyakoreshejwe, 20X2 iracyafite imbaraga zo gukora ibishoboka byose kugirango itange umuziki uturika ariko utuje, usubizemo ubudahemuka imwe muma majwi meza kandi azwi cyane yakozwe na injeniyeri w’umurima David Lewiston: Golden Rain LP “Ketjak: Ramayana Monkey Chant” (LP Nonesuch Explorer).H72028).Inzibacyuho zikomeye z'abihayimana 200 baririmbaga icyarimwe ziratangaje, nubwo nari nzi ko zigiye guturika gutaka kwa 'tak'.Abihayimana mu gikari batunganijwe mu ruziga, ibyo bikaba byumvikana iyo urebye.Mu bice bituje, ijisho ryanjye rikunda kwerekana aho abihayimana ku giti cyabo baririmba ku mpera zuru ruziga.Igihe abamonaki bahagarika gusakuza, ijwi ry’ibidukikije mu gikari ryatumye mbona kandi numva bahari.Cartridges hamwe nuru rwego rwubushishozi ntibisanzwe kururu rwego.
Igihe cyose nakinaga “Indirimbo y'inguge” hamwe na Dynavector 20X2 MC, Sutherland SUTZ, hamwe na SunValley SV EQ1616D all-tube fono icyiciro, natunguwe kandi ndumirwa kubera ubwumvikane buke, umuvuduko wumurabyo, na dinamike ntatindiganyije.abahinduye bibaho hamwe nijwi ritandukanye kandi rikarishye hamwe nibitandukaniro bigaragara hagati yijwi ryumuririmbyi.Kuri njye, ubu ni ubwoko bushya bwa wow!Akanya: Amakuru ya disiki yamakuru arazamurwa muburyo bwiza na SunValley.
Dynavector XX-2 MKII Chad Stelly yanejejwe cyane nanjye mu nyandiko ivuga kuri "synergie idasanzwe" ya Dynavector XX-2 MKII hamwe na Sutherland SUTZ, nuko mvugana na Mike kuri Toffco, umucuruzi wo muri Amerika Dynavector, Prank (ibisobanuro ahagana hasi ku ipaji ya 4). Tchad yavuze ko $ 2,150 $ XX-2 MKII bishoboka ko ari "zahabu" mu murongo wa karitsiye ya Dynavector.Iki nicyo gihe gishimishije cyane kuri Dynavector.
Ndacyashishikajwe na karitsiye ya Dynavector kuberako bavuga ko bibanda kuri progaramu ya injeniyeri yibanze ku kibazo: igishushanyo mbonera cya rukuruzi.Urubuga rwabo rubisobanura: “Ibarura ryacu n'ubushakashatsi byagaragaje ko n'imihindagurikire mito cyane mu rujya n'uruza ishobora gutera impinduka mu mbaraga za rukuruzi mu cyuho cy'ikirere, bityo bikagira ingaruka ku kugoreka intermodulation ku kimenyetso gisohoka.”Magneti 5 aho kuba samarium-cobalt cyangwa neodymium-boron.Intego yavuzwe ya Dynavector yemewe na "flux damping" na "soft magnetic field" ni ukugabanya "ihindagurika rya magnetiki udashaka".
Nk’uko urubuga rwa Dynavector rubitangaza, XX-2 MKII ikoresha magneti ya Alnico 5 (ibisobanuro ahagana hasi ku ipaji ya 5) kubera ko ifite ubucucike bukabije bwa magnetiki, ugereranije n’ubundi bwoko bwa magneti, “butanga umurima wa rukuruzi uhamye bityo ugakomeza umusaruro uhamye. voltage ”..
XX-2 MKII ifite imbaraga zo hasi (6 ohm) imbere hamwe na voltage yo hasi ya 0.28 mV.Moteri yacyo ibitse mumazu ya aluminiyumu 7075 kandi karitsiye ipima garama 9.2.Iyubahirizwa ryerekanwe kuri 10 µm / mN na Dynavector irasaba umutwaro muke (30 oms).
20X2 ikoresha stylus ya MicroRidge ifunguye kuri cantilever ya dural, mugihe XX-2, cartridge ihendutse cyane kumurongo wa Dynavector, ikoresha cantilever ya boron ikomeye hamwe na stylus ya Pathfinder ifite umurongo wa 7 × 30 µm.Njye Niba nibuka neza, iyi ni Ogura diamant imwe Lyra na Koetsu bakoresheje.
Akajambo k'epfo 3: Mu buryo bwa tekiniki kumenya inyungu ya transimedance ya fono ntago bigoye: birasa nkibisanzwe, ikigereranyo cyumuvuduko wamashanyarazi winjiza voltage cyangwa ibisohoka byinjira mubyinjira - hitamo kimwe muribi.Ariko ntabwo umubare winyungu zigezweho-winjiza fono icyiciro, akazi kayo nuguhindura amashanyarazi muri voltage.Kubikoresho nkibi, igereranya-intambwe yo guhindura ibintu ntirishobora kuneshwa, niyo mpamvu ishobora kuba ariyo mpamvu Ron Sutherland yahisemo kwita iki gicuruzwa SUTZ: gishobora gufatwa nkubwoko bushya bwo guhinduranya intambwe, kabone niyo yaba atari transformateur mubisanzwe ibisobanuro.Kuki Z kurangiza?Birashoboka kuko inzira karemano yo kuranga igikoresho cya transimpedance nigipimo cyumuvuduko wamashanyarazi winjiza numuyoboro winjiza, ufite ibice byinzitizi, ubusanzwe byerekanwa ninyuguti Z. - Jim Austin Jun 30 '11 saa 12h00
Akajambo k'epfo 4: Dynavector Systems Ltd, 3-2-7 Higashi-Kanda Chiyoda-ku Tokyo 101-0031 Ubuyapani.Terefone: +81 (0) 3-3861-4341.Urubuga: www.dynavector.com Ikwirakwiza muri Amerika: Toffco, 2020 Umuhanda wa Washington, Igice cya 314, St. Louis, MO 63103. Terefone: (314) 454-9966.URL: dynavector-usa.com
Akajambo k'epfo 5: Imibare nyuma ya “Alnico” yerekeza ku mavuta yihariye ya aluminium, nikel, cobalt, umuringa n'icyuma.Alnico 5 ikungahaye cyane kuri cobalt na magnetiki nkeya kurenza izindi Alnico.Ibyo ari byo byose, gitari z'amashanyarazi hamwe na pikipiki ya Alnico 5 ifite ibintu bisukuye kandi bifite ijwi ryiza.- Jim Austin
Amadorari 3,800 yo murwego rwohejuru rwa fono, akaba aruta cyane igiciro gitangaje $ 89,000 kubiciro bya CH Precision P1 phono yasuzumwe mu cyumweru gishize.Kandi ibyo "byashobokaga" byumvikana neza kubiciro bya 24.
Ndashaka kumva uburyo intambwe ya fono ya transimpedance ishobora kumvikana kandi ihumeka mugihe yuzuye karitsiye yo hasi.Imyaka yuburambe hamwe na fono gakondo yanyigishije ko gupakurura bidakwiye bishobora guhungabanya amajwi ya karitsiye.Kuki ibi bitabaho hamwe na transimpedance fono ibyiciro?
Bitekerezeho nkabavuga impedance nkeya cyane bakora, bashushanya / bakurura amashanyarazi menshi muri amplifier, reka tubitege amaso, byoroshye gutwara disikuru bikunda kuba byoroshye mumabara kuruta abavuga nabi.
Twapakiye Supex SD900 hamwe na 1000 ohm, 500 ohm, 100 ohm, 50 ohm na 10 ohm, ijwi risukuye kandi ryiza cyane ni kuri 10 ohm, ariko ukeneye inyungu nyinshi kandi "rishobora" kuba urusaku niba rwarakozwe nabi.