Zvauchadzidza kubva munyaya ino:basa rebhureki master cylinder uye pressure × volume exchange-off paSAE J1601, maGVWR bands manomwe ane bore diameters dzinoenderana kubva pa3.5T kusvika pa40T, mapedal feel factors mana anopfuura bore diameter anosarudza kunyaradzwa uye kuchengetedzeka kwemutyairi, zvikanganiso zvishanu zvinoitwa netruck OEMs pakusarudza master cylinder, zvinodiwa zvitanhatu zvekutsanangura master cylinder bore diameter pakutenga kweOEM, sarudzo ye manual vs dual-circuit master cylinder paECE R13-H §5.2.1, uye mibvunzo mitanhatu inowanzo bvunzwa nezve saizi yebrake master cylinder. Kana uri kuongororasarudzo yedhayamita yebhureki master cylinder borepamutsetse werori reOEM uri mu7T-40T GVWR, iyi ndiyo nzira yekuongorora saizi yemotokari.
Tsamba yekutanga yechokwadi kubva kuchikwata chemainjiniya cheShaoxing Fangjie:Sarudzo yehukuru hwemabhureki master cylinder ndiyo chikanganiso chinowanzoitika mukugadzira marori eOEM. Bore diki rinokonzera kusatevedzera mitemo yeECE R13-H uye kudzoserwa kwemotokari nekukurumidza; bore diki rinokonzera kunyunyuta kwevatyairi nezvekunzwa kwepedal soft uye stroke yakareba. Sarudzo yacho inofanira kuitwa zvichienderana nebhendi reGVWR, kwete zvichienderana nezvinodiwa nemotokari kana kuti pamutengo wekugadzirisa. Tinogadzira macylinder makuru panzvimbo yedu yeShaoxing ine dhayamita yebore kubva pa3/4″ kusvika 1-1/4″ inofukidza truck yese yeGVWR, uye tinogovera gwara iri pachena nekuti tinoda kuti vatengi vedu veOEM vaite sarudzo chaiyo yehukuru kekutanga - kwete kuti vaone chikanganiso pabvunzo yerudzi rwemvumo. Chinotevera inyaya yeinjiniya yatinogovana nechikwata cheinjiniya cheOEM cheTurkey, India, Southeast Asia, neChinese pavanobvunza kuti "ndingade dhayamita yebore ipi yetruck yangu ye7-ton / 12-ton / 18-ton / 26-ton?"
Chikwata chedu chave chichipa zvikamu zvemabhureki emota kumakambani eEurope, Southeast Asia, neMiddle East kwemakore anopfuura makumi maviri kubvira muna 2003. Tinoshanda zuva nezuva nevashandi vedu vanopfuura zana nechikwata chevatengesi vekunze chevanhu gumi kuti tigadzire macaliper emabhureki, ma adjuster eslack, mavharuvhu esolenoid, uye mabhureki. Mumakore mashanu apfuura, takapa ma master cylinders kumitsara gumi nemiviri yeOEM truck muTurkey, India, Vietnam, neMiddle East, uye sarudzo yehukuru hwema cylinder ndiyo yave iri chikumbiro chehunyanzvi chinowanzo shandiswa nevatengi ava. Chinyorwa ichi ndicho chinobva mumapurojekiti gumi nemaviri eOEM.
1. Apo Rori reTurkey reOEM rematani manomwe rakatadza kutevedzera ECE R13-H pakutakura zvinhu zvisina kukura
Bvunzo yeECE R13-H type-approval paUTAC France (inozivikanwa neFrance type-approval authority) yakaitwa muna Gumiguru 2024. Bvunzo iyi yaisanganisira cold brake efficiency test (ECE R13-H §5.2.2.5) pa -10°C ambient temperature uye hot brake efficiency test (ECE R13-H §5.2.2.6) mushure mekudzima brake. Bvunzo yecold yakakundikana: master cylinder haina kukwanisa kubvisa brake fluid yakakwana kuti ishandise ma wheel cylinders ese mana mukati me 75% ye pedal stroke limit yakatarwa. Line pressure pa 75% pedal travel yaive 65 bar, iri pasi pe 80 bar minimum inodiwa pa cold test. Hot test yakakundikana zvakafanana: mushure mekudzima brake, brake fluid tembiricha yakasvika 120°C uye line pressure yakadzikira kusvika 55 bar nekuda kwe fluid viscosity decrease.
Chikonzero chikuru chaive bhore risina kukura re 5/8″. Bore re 5/8″ rinopa nzvimbo ye piston ye 0.307 in² (198 mm²) chete, iyo pa 7,200 kg GVWR inogadzira kusakwana kwemvura inoyerera pa pedal stroke. Bore re 7/8″ (rinova saizi chaiyo ye 7T-12T GVWR pa SAE J1601) rinopa nzvimbo ye piston ye 0.601 in² (388 mm²), iyo iri 96% yakawanda piston nzvimbo uye inogona kubvisa 96% yakawanda mvura pa pedal stroke. Chikwata cheinjiniya cheOEM chakanga chisina kugadzirisa dhayamita yebhore pavakawedzera GVWR kubva pa 5T kuenda ku 7T, vachifungidzira kuti "rori hombe, sisitimu yebhureki yakafanana" yaizoshanda. Kufungidzira kwacho kwakanga kusina kururama.
Kugadziriswa kwacho kwaive: (1) kutsiva silinda ye5/8″ bore master nesilinda ye7/8″ bore master (Shaoxing Fangjie akapa mayuniti 500 e7/8″ bore master cylinders mukati memavhiki mana), (2) kugadzirisa gwaro reOEM's master cylinder kuti rive reference SAE J1601 yekusarudzwa kwedhayamita yebore paGVWR band, (3) kutumira zvakare bvunzo yeECE R13-H type-approval nesilinda itsva, iyo yakapasa muna Ndira 2025. Mari yese yekugadzirisa yaive inenge EUR 28,000 kusanganisira kutsiva silinda yemaster, mari yekudzokorora bvunzo, uye kunonoka kweprojekti kwemwedzi mitatu. Chidzidzo, mumashoko einjiniya mukuru weOEM wekuTurkey: "hatizombofi takafunga kuti 'rori hombe, sisitimu yebhureki yakafanana' zvakare. Dhayamita yebore inofanira kunge yakakura paGVWR band, uye gwara reSAE J1601 ndiro reference reinjiniya."
Chikonzero chinoita kuti timu yedu igoverane chidzidzo ichi ndechekuti chikanganiso cheTurkey OEM hachina kushata. Tinoona maitiro aya achidzokororwa mukugadzirwa kwemarori eOEM pasi rese — dhayamita yebore inosarudzwa zvichibva pamuenzaniso wekare pane GVWR yazvino, uye bore iri pasi pehukuru inokundikana bvunzo yekubvumidzwa kwerudzi. Mabhendi manomwe eGVWR, matrix yekusarudza dhayamita yebore, uye zvinodiwa zvetender zvitanhatu zvinotsanangurwa zvakadzama pazasi kubatsira matimu einjiniya eOEM kudzivirira chikanganiso ichi.
2. Basa reBrake Master Cylinder: Kudzvinyirirwa × Kuchinjana kweVhoriyamu Pamwe Chete neSAE J1601
Silinda huru yebhureki ijenareta yekumanikidzwa kwehydraulic inoshandura simba remuchina kubva papedal yebhureki (inobatsirwa ne vacuum booster) kuita hydraulic pressure iyo inofambisa mavhiri emasilinda kana ma caliper. SAE J1601 (Master Cylinder — Vehicular Hydraulic Brake System) standard inotsanangura hupamhi, mashandiro, uye kusimba kwezvinodiwa zvemasilinda makuru anoshandiswa mumabhureki emagetsi ehydraulic.
Basa re master cylinder rinotongwa nemisimboti mitatu mikuru: (1) Kuenzana kwepressure — kumanikidzwa kunogadzirwa ne master cylinder kwakaenzana nesimba re pedal rakakamurwa nenzvimbo ye piston, zvakapetwa ne booster ratio uye pedal ratio, (2) Kuchinjana kwevhoriyamu — huwandu hwe brake fluid hunobviswa ne master cylinder per pedal stroke hwakaenzana nenzvimbo ye piston kakapetwa ne piston stroke, (3) Mutemo waPascal — kumanikidzwa kunogadzirwa pa master cylinder kwakaenzana nekumanikidzwa pama wheel cylinders (tichifunga kuti hapana kurasikirwa kwepressure mu brake lines), kubvisa kurasikirwa kudiki kwepressure kubva mukukweshana kwemutsara uye zvirambidzo zvekukwana (kazhinji kurasikirwa kwe pressure kwe 2-5%).
Kuchinjana kwepressure × volume ndiyo sarudzo huru yeinjiniya: (1) Kukura kwebore dhayamita = nzvimbo yakawanda yepiston = kusimuka kwemvura yakawanda pakurova kwepedal = kushoma kwepedal stroke kunodiwa pakufamba kwepiston kwakafanana, (2) Kukura kwebore dhayamita zvakare = nzvimbo yakawanda yepiston = kumanikidzwa kushoma kunogadzirwa pakubata kwepedal = kunzwa kwepedal kwakapfava uye simba repedal rakakwirira rinodiwa. Mhedzisiro miviri iyi inoshanda munzira dzakasiyana: mhedzisiro yevhoriyamu inofarira bore rakakura, asi mhedzisiro yekumanikidza inofarira bore diki. Bore rakakodzera ndiro rinoenzanisa mhedzisiro dzese dzeGVWR chaiyo, pedal ratio, uye booster ratio musanganiswa.
Hukama hwemasvomhu ndehwekuti: Pedal Force × Pedal Ratio × Booster Ratio = Line Pressure × Piston Area × Wheel Cylinder Count / Booster Efficiency. Kune system yemabhureki erori yakajairika ine 7-inch booster (booster ratio 4:1), pedal ratio 4:1, uye 4 wheel cylinders (kana 4 caliper pistons), hukama hwacho huri nyore kuita: Pedal Force × 16 = Line Pressure × Piston Area. Kune 250 N pedal force (yakajairika driver leg force yekubhureka kwenguva refu) uye 80 bar (1,160 psi) target line pressure, nzvimbo yepiston inodiwa ndeiyi: 250 N × 16 / 80 bar = 50 mm² pavhiri, kana 200 mm² total yemavhiri mana. Bore diameter inoenderana isqrt(200 mm² / π × 4) ≈ 16 mm, iyo idiki zvakanyanya. Chinhu chinogadzirisa ndechekuti sirinda/caliper yega yega yevhiri inowanzova nemapiston maviri (kana piston imwe hombe), saka kuverenga kunofanirwa kuenderana nehuwandu hwesirinda yevhiri. Kuverenga kwacho kwakarongeka kunoita kuti pave nebore range ye7/8″ kusvika 1-1/4″ ye7T-40T GVWR range. Sarudzo chaiyo yebore paGVWR inopiwa mu7-band decision matrix iri pazasi.
3. Matrix yekusarudza dhayamita yebore: Mabhendi manomwe eGVWR kubva pa3.5T kusvika ku40T
| # | Bhendi reGVWR | Dhayamita yeBore (inch / mm) —paSAE J1601 | Nzvimbo yePiston | Rudzi rweMotokari Yakajairika |
|---|---|---|---|---|
| 1 | 3.5T-7.5T | 3/4″ (19.05 mm) | 0.442 in² (285 mm²) | Marori madiki, maveni madiki, mota dzekutengeserana dzakareruka |
| 2 | 7.5T-12T | 7/8″ (22.2 mm) | 0.601 in² (388 mm²) | Marori epakati nepakati (Isuzu NPR, Hyundai Mighty, Fuso Canter) |
| 3 | 12T-18T | 1″ (25.4 mm) | 0.785 in² (507 mm²) | Marori anorema (kugoverwa kwepakati nepakati) |
| 4 | 18T-26T | 1-1/8″ (28.6 mm) | 0.994 in² (641 mm²) | Marori anorema (kutakura zvinhu munharaunda, kuvaka) |
| 5 | 26T-40T | 1-1/4″ (31.75 mm) | 1.227 in² (792 mm²) | Marori anorema (anofamba kwenguva refu, ekuchera migodhi) |
| 6 | 40T-60T | 1-3/8″ (34.9 mm) | 1.485 in² (958 mm²) | Marori anorema + matrailer (B-double, chitima chemumugwagwa) |
| 7 | 60T+ | 1-1/2″ (38.1 mm) kana kupfuura | 1.767 in² (1140 mm²) | Marori ekutakura zvinhu zvinorema, emigodhi |
Mabhendi manomwe eGVWR anoenderana nemapoka emotokari akajairika mumisika yemarori ekuEurope, North America, neAsia. Kusarudzwa kwedhayamita yebore mukati mebhendi rega rega kunoenderana ne: (1) kufambiswa kwemvura yakakwana kuti mabhureki ashande zvakanaka paECE R13-H §5.2.2.5, (2) kumanikidzwa kwakakwana kwemutsara wekubata mabhureki anopisa paECE R13-H §5.2.2.6 mushure mekubhureka kwefade, (3) simba repedal mukati me200-350 N renji yekubhureka kwenguva refu (kunyaradzwa kwemutyairi), (4) pedal stroke mukati me75% yemuganhu wekufamba kwepedal paECE R13-H §5.2.1.5 (kutevedzera). Zvinodiwa zvina zvinofanirwa kuzadzikiswa panguva imwe chete; dhayamita yebore inosarudzwa kuti ienzanise zvinodiwa zvese zvina.
Pakugadzirwa kwemarori eOEM, mabhendi eGVWR anonyanya kushandiswa ndeaya #2 (7.5T-12T) uye #3 (12T-18T), zvinoenderana nemapoka emarori ekutengesa akajairika uye epakati. Shaoxing Fangjie inopa macylinder e7/8″ bore master (bhendi #2) uye 1″ bore master cylinders (bhendi #3) semaSKU maviri ane huwandu hwepamusoro mumutsara wedu wezvigadzirwa zvemacylinder makuru. Silinda ye1-1/8″ bore master (bhendi #4) inopihwa kune marori ekutakura zvinhu zvemudunhu uye ekuvaka, uye silinda ye1-1/4″ bore master (bhendi #5) inopihwa kune marori ekufamba kwenguva refu uye ekuchera.
4. Zvinhu 4 Zvinoita Kuti Pedal InzwikeKupfuura Dhayamita Yekubereka
Manzwiro epedal — manzwiro anoita pedal yebhureki kumutyairi panguva yekubhureki kwakajairika uye kwekukurumidzira — anotsanangurwa nezvinhu zvina zvinopfuura dhayamita yebore. Manzwiro epedal akakosha kuti mutyairi agamuchire uye kuti vachengetedzeke (manzwiro epedal akapfava anogona kukonzera kuti vatyairi vapumpe mabhureki zvisina kufanira, izvo zvinoderedza kushanda zvakanaka kwebhureki mumotokari dzakawanda dzine ABS).
| # | Chinhu Chinonzwa Pedal | Range | Mhedzisiro paPedal Feel | Tsanangudzo yeOEM |
|---|---|---|---|---|
| 1 | Chiyero chepedal | 3:1 kusvika 6:1 | Chiyero chepamusoro = simba shoma re pedal asi stroke yakawanda ye pedal | Zvakajairika 4:1 yekushandiswa kwemarori |
| 2 | Saizi yekuwedzera | dhayamita 7″ kusvika 11″ | Chinosimudzira chikuru = chiyero chekuwedzera simba = simba shoma rekufambisa | 7-9″ yemarori madiki, 9-11″ yemarori anorema |
| 3 | Kureba kwetsvimbo yekufambisa | 50-150 mm | Pushrod yakareba = pane kurovera kwakawanda kwepedal | Batanidza ne pedal ratio uye booster stroke |
| 4 | Kona yepushrod | 0-15° | Kona yakakura = simba rakawanda re pedal rakarasikirwa nemutoro wepadivi | Chengeta pasi pe5° kuti unzwe zvakanaka |
Zvinhu zvinonzwa mapedal zvina zvinobatana nedhayamita yebore kuti zvione kutaridzika kwesystem yese yebhureki. Kubatana uku ndekwekuti: (1) Chiyero chepedal nedhayamita yebore pamwe chete zvinoona hukama hwesimba repedal vs line pressure — chiyero chepamusoro chepedal chinogona kutsiva bore hombe kuti irambe iine simba rakafanana repedal, asi pamutengo we longer pedal stroke, (2) Saizi yebooster nedhayamita yebore pamwe chete zvinoona hukama hwe booster ratio vs piston area — booster hombe inogona kutsiva bore hombe, asi pamutengo we booster air consumption yakawanda uye inononoka booster response, (3) Hurefu hwepushrod nedanho repedal pamwe chete zvinoona hukama hwe pedal vs master cylinder piston — pushrod inofanira kunge yakareba zvakakwana kuti ibvumire full master cylinder piston stroke pakufamba kwepedal, (4) Pushrod angle inokanganisa mutoro wepadivi pamaster cylinder piston, izvo zvinogona kukonzera kupera kwechisimbiso nguva isati yakwana kana angle yacho yakakura zvakanyanya. Kubatana uku kunofanira kuenzaniswa neOEM's brake system engineer panguva yekubatanidza mota.
Chikanganiso chinowanzoitwa neOEM muzvinhu zvina izvi ndechekusaenzanisa saizi yebooster nedhayamita yeboo. Booster ye7-inch (booster ratio 4:1) yakakodzera macylinders e7/8″ bore master (band #2), asi haikwanire macylinders e1-1/8″ kana 1-1/4″ bore master (bands #4 na #5). Saizi yebooster yetruck hombe inofanira kunge iri dhayamita ye9-11″ (booster ratio 5-7:1) kuti ikwanise kutsiva dhayamita yakakura yeboo. OEM inofanira kutsanangura saizi yebooster padhayamita yeboo uye GVWR, kwete pahukuru hweinjini kana nzvimbo yecab.
5. Zvikanganiso zvishanu zvinoitwa neOEM dzeLori pakusarudza Master Cylinder{}
| # | Chikanganiso | Mhedzisiro | Kugadziriswa |
|---|---|---|---|
| 1 | Kushandisa dhayamita yebore yemuenzaniso wekare kuti uwane GVWR yakakwira | Bore risina kukura rakakundikana bvunzo yeECE R13-H yekushanda zvakanaka kwebhureki rinotonhora/rinopisa | Kuisa saizi yedhayamita yebhore paSAE J1601 7-band matrix; kuyedza zvakare pakabvumidzwa mhando |
| 2 | Kushandisa silinda huru yedunhu rimwe chete pamusoro pe3.5T GVWR | Inokundikana ECE R13-H §5.2.1 chinodiwa chedual-circuit | Shandisa dual-circuit tandem master cylinder zvichienderana neECE R13-H §5.2.1 |
| 3 | Kusawirirana kwehukuru hwebooster nedhayamita yebhore | Kunzwa kwepedal yakapfava; simba repedal rakakwirira rinodiwa; zvichemo zvemutyairi | Gadzirisa saizi yekuwedzera simba nedhayamita yebhore (Chinosimudzira 7-9″ che 7/8″ bore; Chinosimudzira 9-11″ che 1″+ bore) |
| 4 | Kushandisa DOT 3 brake fluid pakushandisa marori makuru | Mvura yebhureki ichifashaira mumamiriro ezvinhu akaoma (kutyaira mugomo, mamiriro ekunze anopisa) | Shandisa DOT 4 (kana DOT 5.1) brake fluid pamotokari hombe; gezai makore maviri ega ega |
| 5 | Hazvina kutaurwa kuti zvisimbiso zveEPDM zvakarongwa sei paDOT 4 / DOT 5.1 | Kuvhara kuzvimba kana kupwanyika neDOT 4 / DOT 5.1 fluid; kutadza kusimbisa | Taura zvisimbiso zveEPDM zvinoenderana zvakajeka neDOT 3, DOT 4, DOT 5.1 (Shaoxing Fangjie standard) |
Zvikanganiso zvishanu izvi zvinobva muruzivo rwedu rwemakore anopfuura makumi maviri rwekutsigira vatengi veOEM uye kubva mukukundikana kwekuyedza kweECE R13-H kwatakaona muvatengi vedu veOEM. Chikanganiso chinowanzoitika ndeche #1 (tichishandisa dhayamita yebore yemuenzaniso wekare), izvo zvakakonzera chidzidzo cheTurkey OEM muchikamu 1. Zvikanganiso zvishanu izvi zvese zvinogona kudzivirirwa nekutevera SAE J1601 7-band matrix uye zvinodiwa zvetender zvitanhatu muchikamu chinotevera.
6. Maitiro ekusarudza dhayamita yeMaster Cylinder Bore muOEM Tender:6 Zvinodiwa
Paunenge uchitsanangura dhayamita yebhore guru resimbi mugwaro reOEM (rekugadzira modhi itsva yemotokari kana kuti rekuchinja ngarava dzemotokari mushure mekutengesa), sanganisira zvinodiwa zvitanhatu mugwaro rematikiti:
- Tsanangudzo yebhendi yeGVWR— taura huwandu hweGVWR hwaunoda (semuenzaniso, 7,200 kg, kana 7,200-8,500 kg yemhando yemhando). GVWR band inosarudza dhayamita yebore paSAE J1601 7-band matrix.
- Tsananguro yedhayamita yebhore— taura dhayamita yebore mumainchi kana mm (semuenzaniso, 7/8″ kana 22.2 mm). Taura kushivirira (± 0.05 mm yakajairika) uye kupedzisa kwepamusoro (Ra 0.4 μm yakajairika).
- Kutevedzera ECE R13-H— inoda kuti mutengesi ape magwaro ekubvumidzwa kwemhando yeECE R13-H anosanganisira mushumo wekuongororwa kubva kuhurumende yeEU yekubvumidzwa kwemhando. Mushumo wekuongororwa unofanirwa kufukidza muripo wekupfeka we §5.2.1.5, kushanda zvakanaka kwebhureki rechando re §5.2.2.5, uye kushanda zvakanaka kwebhureki rekupisa re §5.2.2.6.
- Kugadziriswa kwedunhu remaviri— pamotokari dziri pamusoro pe3.5T GVWR, taurai dual-circuit tandem master cylinder ine diagonal split (kumberi-kuruboshwe + kumashure-kurudyi padunhu 1, pamberi-kurudyi + kumashure-kuruboshwe padunhu 2). Taurai primary nesecondary piston dhayamita (kazhinji dhayamita imwe chete yetandem).
- Kuenderana kwechisimbiso uye mvura yebhureki— taura zvisimbiso zveEPDM zvinoenderana zvakajeka neDOT 3, DOT 4, uye DOT 5.1 brake fluids paSAE J1703 / FMVSS 116 / ISO 4925. Taura mvura yekuzadza mufekitori (kazhinji DOT 4 yerori hombe).
- Chitupa chemhando yepamusoro— inoda ISO 9001:2015 certification kubva kumutengesi, pamwe nekudzora kwakanyorwa maitiro ekugadzira (kazhinji CNC machining ye cylinder bore + automatic assembly ye seals + pressure testing ye assembled unit).
Zvinodiwa zvitanhatu zvinogona kuwanikwa kubva kune chero mhando yeOEMsirinda huru yekubatamutengesi anosangana nezvinodiwa zvemhando yemarori ekuEurope. Shaoxing Fangjie Auto Accessory Co., Ltd. inopa zvese zvinodiwa zvitanhatu mumhinduro yedu yakajairwa yetender, nekutumira mukati memazuva 10-15 kune dhayamita dzebore (7/8″, 1″, 1-1/8″) uye mazuva 30-45 kune dhayamita dzebore dzakagadzirirwa iwe.
7. Sirindari yeManual vs Dual-Circuit Master: Kana imwe neimwe ichidikanwa paECE R13-H
Sarudzo yekuisa silinda yemagetsi uchishandisa manual vs dual-circuit master inosarudzwa neECE R13-H §5.2.1 chinodiwa: mota dzese dziri pamusoro pe3.5T GVWR (mapoka N2, N3, M2, M3) dzine hydraulic brake system dzinofanira kushandisa dual-circuit master cylinders. Sarudzo yemotokari yega yega ndeiyi:
| Chikamu cheMotokari | GVWR Range | Rudzi rweSirinda Guru | Hwaro hweECE R13-H |
|---|---|---|---|
| Mota dzevatakurwi (M1) | Pasi pe3.5T | Dual-circuit (inodiwa kubvira 1968) | ECE R13-H §5.2.1 |
| N1 (zvishoma zvekutengesa) | Pasi pe3.5T | Dual-circuit (inodiwa) | ECE R13-H §5.2.1 |
| M2 (mabhazi madiki) | 3.5T-5T | Dual-circuit (inodiwa) | ECE R13-H §5.2.1 |
| N2 (marori epakati) | 3.5T-12T | Dual-circuit (inodiwa) | ECE R13-H §5.2.1 |
| M3 (mabhazi makuru) | Pamusoro pe5T | Dual-circuit (inodiwa) | ECE R13-H §5.2.1 |
| N3 (marori anorema) | Pamusoro pe12T | Dual-circuit (inodiwa) | ECE R13-H §5.2.1 |
Mukuita, silinda huru yemagetsi ine circuit imwe chete (inoshandiswa nemaoko) haichashandi mumarori emazuva ano nemabhazi ari pamusoro pe3.5T GVWR. Silinda huru yemagetsi ine circuit imwe chete inogona kuwanikwa mu: (1) mamodheru ekare kwazvo (asati asvika 1990) asina kugadziriswazve, (2) mamwe mota dzemumugwagwa dzakagadzirwa zvakananga (semuenzaniso, marori emigodhi, matrakita echiteshi) anoshandisa masisitimu ehydraulic kana epneumatic chete, (3) mamwe mota dzehondo dzinoshandisa masisitimu akasiyana ekumashure ekupatsanurana. Pakugadzirwa kwemarori ese eOEM ari pamusoro pe3.5T GVWR muna 2026, silinda huru yemagetsi ine circuit mbiri inosungirwa.
Kupatsanurwa kwedivi redhiraivha (kumberi-kuruboshwe + kumashure-kurudyi padunhu 1, pamberi-kurudyi + kumashure-kuruboshwe padunhu 2) ndiyo nzira inonyanya kushandiswa pamatanho maviri nekuti inopa mabhureki akaenzana kumativi ese emotokari kana dunhu rimwe nerimwe rikatadza kushanda. Kupatsanurwa kwedivi redhiraivha ...
8. Mibvunzo Inowanzo bvunzwa: Mibvunzo mitanhatu Nezve saizi yeSilinda yeBrake Master
Mubvunzo 1: Ko 7-ton light truck master cylinder inofanira kushandisa dhayamita yakaita sei?
Rori rematani manomwe (GVWR 6,000-8,500 kg) rinofanira kushandisa silinda ine dhayamita yebore ye7/8 inch (22.2 mm) zvichienderana nemirairo yeSAE J1601. Bore rematani manomwe ndiro rinojairwa nemarori ekutengesa akareruka uye rinoenderana nemaservo evacuum cleaner e7-9 inch akajairika uye masisitimu ehydraulic esingle-circuit kana dual-circuit. Bore rematani manomwe/8 rinopa nzvimbo yepiston ye0.387 in² (250 mm²) iyo inogadzira kumanikidzwa kwemutsara kwe1,000-1,200 psi (70-85 bar) pa250-300 N pedal force ine booster ye7-inch. Kune marori e7-ton, bore rematani manomwe rinosimbiswa neECE R13-H compliance testing ne cold and hot brake fade testing. Shaoxing Fangjie Auto Accessory Co., Ltd. inopa masilinda makuru e 7/8 inch ane OEM-quality alloy housing uye EPDM seals dzakatarwa dzeDOT 3, DOT 4, uye DOT 5.1 brake fluids.
Mubvunzo wechipiri: Ndeupi musiyano uripo pakati pesilinda yebhureki yemaoko neyedual-circuit brake master?
Musiyano uripo pakati pesilinda yebhureki remaoko neredu-circuit ndewekuti: (1) Silinda huru yebhureki remaoko (single-circuit) — ine piston imwe uye hydraulic circuit imwe; kana circuit ikakundikana, mabhureki ese anorasika. Masilinda makuru edunhu rimwe chete anowanzo shandiswa chete pamotokari diki dziri pasi pe3.5T GVWR (mota dzevatakurwi, maveni madiki, marori madiki) uye haashandi zvakanyanya mumarori emazuva ano nekuda kwemitemo yekuchengetedza. (2) Silinda huru yedunhu reDual-circuit (tandem) — ine mapiston maviri akatevedzana uye maviri akazvimiririra ehydraulic circuits (kazhinji akapatsanurwa nediagonal: pamberi-kuruboshwe + kumashure-kurudyi pacircuit 1, pamberi-kurudyi + kumashure-kuruboshwe pacircuit 2). Kana circuit imwe ikakundikana, imwe circuit ichiri kupa mabhureki angangoita 50-60% pamavhiri asara. Masilinda makuru edunhu reDual-circuit anodiwa neECE R13-H §5.2.1 kumotokari dzese dziri pamusoro pe3.5T GVWR (N2, N3, M2, M3 categories) uye kumotokari dzese dzine mabhureki ehydraulic. (3) Pakushandisa marori eOEM pamusoro pe3.5T GVWR, macylinder emagetsi maviri anosungirwa. Kugadzika kwediagonal split ndiko kwakajairika, asi mamwe maOEM anoshandisa front-rear split (front circuit + rear circuit) iyo inopa 70-80% braking pamavhiri epamberi kana rear circuit ikakundikana, kana kuti zvinopesana.
Mubvunzo wechitatu: Ndingashandisa silinda hombe yebore master kuti ndiwane simba rekuwedzera mabhureki here?
Kwete, haugone kungoshandisa silinda hombe yebore master kuti uwane simba remabhureki rakawanda nekuti sisitimu yemabhureki isystem yakavharwa yehydraulic ine pressure equilibrium. Hukama hwacho ndehwekuti: Pressure = Pedal Force / (Bore Area × Pedal Ratio × Booster Ratio). Silinda hombe yebore master inoda simba remapedal rakawanda kuti igadzire line pressure yakafanana nekuti simba remapedal rakaenzana rinoparadzirwa panzvimbo yakakura yepiston. Kunyanya, kupeta kaviri dhayamita yebore kunowedzera nzvimbo yepiston kane, zvinoreva kuti pedal force inofanira kupetwa kane kuti igadzire single pressure. Semuenzaniso, kubva pa 7/8 inch bore (0.60 in² area) kuenda pa 1-inch bore (0.79 in² area) kunoda 31% more pedal force kuti igadzire line pressure yakafanana. Mhedzisiro inoshanda yebore hombe ndeyekuti: (1) line pressure yakaderera ye pedal force imwe chete, (2) brake fluid displacement yakawanda pa pedal stroke (zvinoreva long pedal stroke ye caliper piston movement imwe chete), (3) pedal feel inogona kunge yakapfava. Migumisiro mitatu iyi inowanzo kuve isingadiwi mumarori apo vatyairi vanotarisira firm pedal feel uye kukurumidza kupindura. Nzira chaiyo ndeyekuisa saizi yebhore zvichienderana neGVWR paSAE J1601, kwete kuwedzera saizi yebhore.
Mubvunzo wechina: Ndeapi mabhureki andinofanira kushandisa ne master cylinder yangu?
Magadzirirwo emvura yebhureki ye master cylinder anoenderana nechinhu chinovhara uye tembiricha yekushanda. Zvinhu zvitatu zvakajairika zvinotsanangurwa paSAE J1703 / FMVSS 116 / ISO 4925 ndeizvi: (1) DOT 3 (yakavakirwa paglycol-ether) — nzvimbo yekufashaira yakaoma 205°C, nzvimbo yekufashaira yakanyorova 140°C; inoenderana neEPDM nezvisimbiso zverabha zvechisikigo; yakakodzera mota dzekutengesa dzakareruka dzine mutoro wekubhura zvine mwero, (2) DOT 4 (yakavakirwa paglycol-ether-borate) — nzvimbo yekufashaira yakaoma 230°C, nzvimbo yekufashaira yakanyorova 155°C; inoenderana nezvisimbiso zveEPDM; yakakodzera mota dzekutengesa dzakakura dzine mutoro wekubhura yakakura kusanganisira marori ari pamusoro pe12T GVWR, (3) DOT 5.1 (yakavakirwa paglycol-ether-borate) — nzvimbo yekufashaira yakaoma 260°C, nzvimbo yekufashaira yakanyorova 180°C; inoenderana nezvisimbiso zveEPDM; yakakodzera kushandiswa kwepamusoro-soro uye kwakaoma kunosanganisira marori emujaho nemotokari dzemauto. DOT 5 (yakagadzirwa nesilicone) HAIENDERE ne glycol-based fluids uye haifanirwe kusanganiswa. Kune Shaoxing Fangjie master cylinders, chinhu chakajairwa chekuvhara iEPDM chinoenderana ne DOT 3, DOT 4, uye DOT 5.1. Kuzadzwa kwefekitori kweOEM kunowanzo kuve DOT 4 yekushandiswa kwemotokari dzekutengesa dzakakura.
Mubvunzo 5: Ndingagadzirisa sei pedal yebhureki yakapfava murori?
Kurovera mabhureki kwakapfava murori kunogona kukonzerwa neNyaya 7, yakarongwa zvichienderana nekakawanda: (1) Mhepo iri mubhureki system (inonyanya kuitika) — inobvisa ropa mubhureki system zvichienderana nemaitiro eOEM, inowanzo tangira pavhiri riri kure nebhureki guru uye ichishanda ichienda kune iri pedyo, (2) Kukundikana kwemukati mebhureki guru — chisimbiso chekutanga kana chechipiri chekapu chakasakara kana kukuvara, zvichibvumira mvura kupfuura piston; tsiva sirinda guru, (3) Kubuda kwemvura yebhureki — tarisa mitsetse yese yebhureki, macaliper, mavhiri emavhiri, uye muviri webhureki guru kana mvura yabuda; gadzirisa kana kutsiva sezvinodiwa, (4) Kuwedzera kwebhureki hose — mabhureki erabha ane kuora kwemukati uye anokura pasi pekumanikidzwa, zvichipa kunzwa kwakapfava kwepedal; tsiva mabhureki hose (kazhinji makore mana kusvika matanhatu ega ega kana 200,000-300,000 km), (5) Kukundikana kweBooster — vacuum booster haisi kupa simba rakakwana, inoda simba repedal kuti igadzire kumanikidzwa kwakafanana; tarisa tambo yebooster vacuum, check valve, uye booster diaphragm; tsiva booster kana zvichidikanwa, (6) Kukundikana kweCaliper piston seal — caliper piston seal yakasakara, ichibvumira mvura kupfuura; gadzirazve kana kutsiva caliper, (7) Bhora resilinda risiri iro — bhora rakakura zvakanyanya kune GVWR, zvichiita kuti pedal inzwe yakapfava nekuda kwekumanikidzwa kwakaderera; simbisa dhayamita yebhore zvichienderana nemirairo yeSAE J1601. Matambudziko manomwe anofanira kuongororwa nenzira yakanyorwa, uye anonyanya kudhura uye asingadhuri (kubuda kwemhepo) anotanga agadziriswa.
Mubvunzo wechitanhatu: Ndeipi nguva yakajairika yekutsiva silinda yemagetsi parori rekutengesa?
Nguva yakajairika yekutsiva silinda huru yemotokari yekutengeserana ndeyemakore 5-8 kana 400,000-600,000 km, chero ipi zvayo inotanga, mumamiriro ezvinhu akajairwa ekushanda. Nguva yekutsiva inotarwa nezvinhu zvitatu: (1) Kupera kwechisimbiso chemukati — chisimbiso chikuru chekapu uye kupera kwechisimbiso chekapu chechipiri zvishoma nezvishoma nekushandiswa kwebhureki kwega kwega; chinhu chechisimbiso (kazhinji EPDM) chine hupenyu hwekuneta hweanenge makoreMabhureki anotenderera mamiriyoni maviri kusvika matatu, zvinoenderana nemakore mashanu kusvika masere ekushanda kwemarori ekutengesa, (2) Kusvibiswa kwemvura yebhureki — nekufamba kwenguva, mvura yebhureki inotora hunyoro kubva mumhepo (DOT 3/4/5.1 fluids inonyungudika), izvo zvinoderedza kufashaira uye zvinokurumidzisa ngura yemukati; mvura yebhureki inofanira kusukurudzwa uye kutsiviwa makore ese maviri pasinei nemamiriro e master cylinder, (3) Kupera kwe cylinder bore — mboro yealuminium alloy inopera zvishoma nezvishoma nekuda kwekufamba kwepiston, kunyanya kana brake fluid yakasviba kana kana zvisimbiso zvikatadza kushanda; kupwanyika kwemboro pamusoro pe 0.05 mm (0.002 inch) kazhinji kunoda kutsiviwa kwe master cylinder. Shaoxing Fangjie Auto Accessory Co., Ltd. inogadzira ma master cylinders ane harded alloy bore (anodized surface treatment) uye EPDM seals dzakatarwa kuti dzishandiswe.Mabhureki anotenderera mamiriyoni maviri kusvika matatuTinokurudzira kuti marori anoshanda munzvimbo dzine mamiriro akaoma (mabhureki akawanda, nzvimbo dzine makomo, mamiriro ekunze anopisa). Kune marori asingasviki munzvimbo dzine mamiriro ekunze akapfava, nguva yekutsiva inogona kusvika makore masere / 600,000 km.
Nezve Munyori
Ndini Elian Zhou, maneja wekutengesa kunze kwenyika kuShaoxing Fangjie Auto Accessory Co., Ltd., mugadziri wezvikamu zvemabhureki emota ane ruzivo rwemakore anopfuura makumi maviri mukugadzira maOEM kubvira 2003. Ndinogara kuShaoxing, Zhejiang, ndinoshanda zuva nezuva nevashandi vedu vanopfuura zana nechikwata chevatengesi vekunze chevanhu gumi kuti tipe macaliper emabhureki, ma slack adjusters, ma solenoid valves, uye ma brake chambers kune vanogovera ma aftermarket muEurope, Southeast Asia, neMiddle East. Ndinogara ndichishanyira pasi pefekitori uye ndichigovana ruzivo rwemaitiro ekugadzira - kubva pakugadzira otomatiki slack adjuster kusvika paCNC machining ye caliper housings - paYouTube channel yangu:@ElianZhou-y6q4i.
Kuti uwane zvirevo zveOEM pamabhureki master cylinders kana kuti kukumbira magwaro eECE R13-H ekutevedzera mitemo yeGVWR yerori yako, shanyira yedusirinda huru yekubatapeji rechigadzirwa. Taura neni paYouTubemavhidhiyo ekugadzira anosanganisira CNC machining ye caliper housings uye master cylinder assembly.
Nguva yekutumira: Nyamavhuvhu-14-2026