{"id":2411,"date":"2026-06-26T05:17:21","date_gmt":"2026-06-26T05:17:21","guid":{"rendered":"https:\/\/helicalcutgears.top\/?p=2411"},"modified":"2026-06-26T05:17:21","modified_gmt":"2026-06-26T05:17:21","slug":"helical-gear-oil-viscosity-selection-iso-vg-ehl","status":"publish","type":"post","link":"https:\/\/helicalcutgears.top\/tr\/helical-gear-oil-viscosity-selection-iso-vg-ehl\/","title":{"rendered":"Helisel Di\u015fli Ya\u011f\u0131 Viskozite Se\u00e7imi"},"content":{"rendered":"
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Helisel Di\u015fli Ya\u011f\u0131 Viskozite Se\u00e7imi \u2014 ISO VG S\u0131n\u0131f\u0131, EHL Film Kal\u0131nl\u0131\u011f\u0131 ve S\u0131cakl\u0131k<\/h1>\n

Bir ara\u00e7 i\u00e7in do\u011fru ya\u011f viskozitesini se\u00e7mek helisel di\u015fli<\/strong> Di\u015fli kutusu ya\u011f\u0131 se\u00e7imi sadece \"standart\" kaliteyi se\u00e7mekle ilgili bir mesele de\u011fildir; belirli hat h\u0131z\u0131 ve temas gerilimi i\u00e7in gereken EHL film kal\u0131nl\u0131\u011f\u0131n\u0131, viskoz \u00e7alkalanma kayb\u0131 ve minimum ortam s\u0131cakl\u0131\u011f\u0131ndaki so\u011fuk \u00e7al\u0131\u015ft\u0131rma ak\u0131\u015f performans\u0131 ile dengeleyen bir hesaplamad\u0131r. ISO VG 100'\u00fcn do\u011fru oldu\u011fu yerde ISO VG 320 kullanmak \"daha g\u00fcvenli\" de\u011fildir; \u00e7alkalanma kayb\u0131n\u0131 \u00f6nemli \u00f6l\u00e7\u00fcde art\u0131r\u0131r ve di\u015fli b\u00f6lgesindeki ya\u011f viskozitesinin beklenenden daha az d\u00fc\u015fmesi nedeniyle y\u00fcksek h\u0131zda EHL filminin olu\u015fmas\u0131n\u0131 engelleyebilir. Bu k\u0131lavuz, hem yetersiz ya\u011flamay\u0131 (\u00e7ukurla\u015fma) hem de a\u015f\u0131r\u0131 ya\u011flamay\u0131 (\u00e7alkalanma kayb\u0131, y\u00fcksek h\u0131zl\u0131 film yetersizli\u011fi) \u00f6nleyen viskozite se\u00e7imi i\u00e7in bir \u00e7er\u00e7eve sunmaktad\u0131r.<\/p>\n

Ya\u011f Kalitesi Tavsiyesi Al\u0131n \u2192<\/a><\/p>\n<\/div>\n<\/div>\n

Viskozitenin EHL Film Kal\u0131nl\u0131\u011f\u0131n\u0131 Belirlemesinin Sebebi Nedir?<\/h2>\n

EHL filmi helisel di\u015fli<\/strong> Di\u015f temas b\u00f6lgesi, iki di\u015f y\u00fczeyinin a\u011f\u0131n yakla\u015fma taraf\u0131nda birle\u015fmesiyle olu\u015fan hidrodinamik kama etkisiyle meydana gelir. Film kal\u0131nl\u0131\u011f\u0131 h_min, Dowson-Higginson form\u00fcl\u00fc (\u00e7izgi temas\u0131, basitle\u015ftirilmi\u015f) ile belirlenir:<\/p>\n

h_min \u221d (\u03b7\u2080 \u00d7 v_\u03a3)^0,7 \u00d7 R'^0,46 \/ (E'^0,03 \u00d7 w'^0,13)
\nburada: \u03b7\u2080 = giri\u015f s\u0131cakl\u0131\u011f\u0131ndaki dinamik viskozite [Pa\u00b7s]
\nv_\u03a3 = toplam h\u0131z = v\u2081 + v\u2082 \u2248 2 \u00d7 v_t (yuvarlanma h\u0131z\u0131 toplam\u0131) [m\/s]
\nR' = temas noktas\u0131ndaki e\u015fde\u011fer e\u011frilik yar\u0131\u00e7ap\u0131 [mm]
\nE' = e\u015fde\u011fer elastik mod\u00fcl \u2248 226.000 N\/mm\u00b2 (\u00e7elik-\u00e7elik)
\nw' = birim temas uzunlu\u011fu ba\u015f\u0131na normal y\u00fck [N\/mm]<\/p>\n

Temel ili\u015fki: h_min \u221d \u03b7\u2080^0.7 ve h_min \u221d v_t^0.7<\/p>\n

Ya\u011f viskozitesinin iki kat\u0131na \u00e7\u0131kmas\u0131 (ayn\u0131 s\u0131cakl\u0131kta): h_min 2^0.7 = 1.62 kat artar.
\nViskozite ayn\u0131 kal\u0131rken, e\u011fim \u00e7izgisi h\u0131z\u0131n\u0131n iki kat\u0131na \u00e7\u0131kmas\u0131 durumunda: h_min 2^0.7 = 1.62 kat artar.<\/p>\n

\u2192 Her iki kolun da g\u00fcc\u00fc ayn\u0131d\u0131r, yani viskozite ve h\u0131z e\u015fit derecede etkilidir.
\nEHL filminin art\u0131r\u0131lmas\u0131nda. Ancak h\u0131z, uygulama taraf\u0131ndan belirlenir; viskozite
\nM\u00fchendisin kontrol etti\u011fi tasar\u0131m de\u011fi\u015fkenidir.<\/p>\n

Bir helisel di\u015fli<\/strong>EHL korumas\u0131n\u0131n tam olarak sa\u011flanabilmesi i\u00e7in film oran\u0131 \u03bb = h_min \/ R_q'nun \u2265 2,0 de\u011ferine ula\u015fmas\u0131 gerekir. Hassas ta\u015flama i\u00e7in helisel di\u015fli<\/strong> (Ra \u2248 0,2 \u00b5m) (R_q \u2248 0,25 \u00b5m her bir kanat i\u00e7in), kompozit R_q \u2248 \u221a(0,25\u00b2 + 0,25\u00b2) = 0,35 \u00b5m olup, \u03bb = 2,0 i\u00e7in h_min \u2265 0,70 \u00b5m gerektirir. Viskozite derecesi, normal \u00e7al\u0131\u015fma s\u0131ras\u0131nda ger\u00e7ek a\u011f b\u00f6lgesi s\u0131cakl\u0131\u011f\u0131nda bu filmi elde etmek i\u00e7in se\u00e7ilmi\u015ftir.<\/p>\n

Viskozite-S\u0131cakl\u0131k \u0130li\u015fkisi \u2014 \u00c7al\u0131\u015fma S\u0131cakl\u0131\u011f\u0131n\u0131n \u00d6nemi<\/h2>\n

ISO VG kaliteleri 40\u00b0C'de tan\u0131mlan\u0131r. helisel di\u015fli<\/strong> Elek b\u00f6lgesi tipik olarak 60\u201380\u00b0C'de (elek b\u00f6lgesi k\u00fctle s\u0131cakl\u0131\u011f\u0131) \u00e7al\u0131\u015f\u0131r ve bu s\u0131cakl\u0131ktaki ya\u011f viskozitesi, nominal VG s\u0131n\u0131f\u0131n\u0131n \u00f6nerdi\u011finden \u00f6nemli \u00f6l\u00e7\u00fcde daha d\u00fc\u015f\u00fckt\u00fcr. \u00c7al\u0131\u015fma s\u0131cakl\u0131\u011f\u0131ndaki viskozite, viskozite-s\u0131cakl\u0131k modeli (ASTM D341 veya Walther denklemi) kullan\u0131larak hesaplanmal\u0131d\u0131r:<\/p>\n

Kinematik viskozite oran\u0131 (Walther denklemi, basitle\u015ftirilmi\u015f):
\nlog log(\u03bd + 0.7) = A \u2212 B \u00d7 log(T_abs)
\nburada \u03bd = kinematik viskozite [mm\u00b2\/s = cSt], T_abs = s\u0131cakl\u0131k [K]
\nA ve B sabitleri, ya\u011f\u0131n bilinen iki s\u0131cakl\u0131ktaki viskozitesine g\u00f6re ayarlanm\u0131\u015ft\u0131r.<\/p>\n

Mineral ya\u011f i\u00e7in \u00e7al\u0131\u015fma s\u0131cakl\u0131\u011f\u0131ndaki yakla\u015f\u0131k viskozite (VI \u2248 100):
\n40\u00b0C'de ISO VG 68 \u2192 80\u00b0C'de yakla\u015f\u0131k 15 cSt
\n40\u00b0C'de ISO VG 100 \u2192 80\u00b0C'de yakla\u015f\u0131k 20 cSt
\n40\u00b0C'de ISO VG 150 \u2192 80\u00b0C'de yakla\u015f\u0131k 28 cSt
\n40\u00b0C'de ISO VG 220 \u2192 80\u00b0C'de yakla\u015f\u0131k 38 cSt
\n40\u00b0C'de ISO VG 320 \u2192 80\u00b0C'de yakla\u015f\u0131k 52 cSt
\n40\u00b0C'de ISO VG 460 \u2192 80\u00b0C'de yakla\u015f\u0131k 70 cSt
\n40\u00b0C'de ISO VG 680 \u2192 80\u00b0C'de yakla\u015f\u0131k 98 cSt<\/p>\n

Sentetik PAO (VI \u2248 150), 80\u00b0C'de yakla\u015f\u0131k 30\u201340% daha y\u00fcksek viskoziteyi korur.
\nAyn\u0131 ISO VG s\u0131n\u0131f\u0131ndaki mineral ya\u011fa k\u0131yasla 40\u00b0C'de \u00f6nemli bir avantaja sahiptir.<\/p>\n

S\u0131k kar\u015f\u0131la\u015f\u0131lan teknik \u00f6zellik hatas\u0131:<\/strong> H\u0131zl\u0131 \u00e7al\u0131\u015fan bir sistem i\u00e7in ISO VG 320 standard\u0131n\u0131n belirtilmesi helisel di\u015fli<\/strong> (v_t = 20 m\/s) \u201cG\u00fcvenli olmak i\u00e7in\u201d yakla\u015f\u0131m\u0131 verimsizdir. 80\u00b0C a\u011f s\u0131cakl\u0131\u011f\u0131nda, VG 320 mineral ya\u011f\u0131n\u0131n kinematik viskozitesi yakla\u015f\u0131k 52 cSt'dir - yeterli EHL filmi. Ancak bu viskozitede bir ya\u011f banyosundan kaynaklanan \u00e7alkalama kayb\u0131, VG 150'ye g\u00f6re 2-3 kat daha y\u00fcksektir. Daha da \u00f6nemlisi, y\u00fcksek hat h\u0131z\u0131yla, ya\u011f\u0131n a\u011f giri\u015finden \u00f6nce di\u015f kenarlar\u0131ndan santrif\u00fcjle at\u0131lmas\u0131 gerekir - di\u015f ucundan akmayan \u00e7ok viskoz ya\u011f, a\u011fa girerken yerel olarak yetersiz bir durum yarat\u0131r ve paradoksal olarak EHL filmini azalt\u0131r. Korea Ever-Power, \u201cdaha \u200b\u200bfazla daha g\u00fcvenlidir\u201d yan\u0131lg\u0131s\u0131n\u0131 de\u011fil, AGMA 9005 viskozite se\u00e7im tablosunu takip etmektedir.<\/div>\n

ISO VG S\u0131n\u0131f\u0131 Se\u00e7imi \u2014 Hat H\u0131z\u0131 ve S\u0131cakl\u0131k Tablosu<\/h2>\n

\"Helisel<\/p>\n

Helezoni vites<\/strong> Ya\u011f banyolu karterli \u015fanz\u0131manlarda, do\u011fru ISO VG s\u0131n\u0131f\u0131, \u03bb \u2265 2,0 de\u011ferine ula\u015fmak i\u00e7in di\u015fli b\u00f6lgesinin \u00e7al\u0131\u015fma s\u0131cakl\u0131\u011f\u0131nda (end\u00fcstriyel \u015fanz\u0131manlar i\u00e7in tipik olarak 60-80\u00b0C) yeterli viskozite sa\u011flamal\u0131, ayn\u0131 zamanda minimum ortam ba\u015flang\u0131\u00e7 \u200b\u200bs\u0131cakl\u0131\u011f\u0131nda filtreden ak\u0131p ilk 30-60 saniye i\u00e7inde di\u015fliye ula\u015facak kadar d\u00fc\u015f\u00fck kalmal\u0131d\u0131r.<\/p>\n

A\u015fa\u011f\u0131daki tablo, karbonlanm\u0131\u015f ve ta\u015flanm\u0131\u015f y\u00fczeyler i\u00e7in ISO VG s\u0131n\u0131f\u0131 \u00f6nerilerini sunmaktad\u0131r. helisel di\u015fliler<\/strong> (di\u015f y\u00fczeyi Ra \u2264 0,3 \u00b5m) 60\u201380\u00b0C ya\u011f karteri s\u0131cakl\u0131\u011f\u0131nda, AGMA 9005-F16 Tablo 2'ye (end\u00fcstriyel kapal\u0131 di\u015fli tahrik sistemleri) g\u00f6re:<\/p>\n

\n\n\n\n\n\n\n\n\n\n
E\u011fim \u00c7izgisi H\u0131z\u0131 v_t<\/th>\n\u00d6nerilen ISO VG (Mineral CLP)<\/th>\n\u00d6nerilen ISO VG (PAO CLP HC)<\/th>\nNotlar<\/th>\n<\/tr>\n<\/thead>\n
< 0,5 m\/s (\u00e7ok yava\u015f)<\/td>\nVG 680\u20131000<\/td>\nVG 460\u2013680<\/td>\nS\u0131n\u0131r ya\u011flama rejimi; y\u00fcksek viskozite, hidrodinamik film eksikli\u011fini telafi eder. Kau\u00e7uk kar\u0131\u015ft\u0131r\u0131c\u0131 ve plakal\u0131 de\u011firmen di\u015flilerine uygulanabilir (Madde 64, Madde 68).<\/td>\n<\/tr>\n
0,5\u20135 m\/s (yava\u015f ila orta)<\/td>\nVG 320\u2013680<\/td>\nVG 220\u2013320<\/td>\nErken EHL'ye y\u00f6nelik karma ya\u011flama. Tar\u0131m di\u015fli kutular\u0131 (Art56), vin\u00e7 kald\u0131rma sistemleri (Art70), genel end\u00fcstriyel M10+ di\u015fliler.<\/td>\n<\/tr>\n
5\u201315 m\/s (end\u00fcstriyel standart)<\/td>\nVG 150\u2013320<\/td>\nVG 100\u2013220<\/td>\nBu aral\u0131\u011f\u0131n \u00fcst ucunda tam EHL mevcuttur. \u00c7o\u011fu kapal\u0131 end\u00fcstriyel alan. helisel di\u015fli<\/strong> \u015eanz\u0131manlar bu kategoriye girer.<\/td>\n<\/tr>\n
15\u201325 m\/s (h\u0131zl\u0131)<\/td>\nVG 68\u2013150<\/td>\nVG 68\u2013100<\/td>\nTam EHL kolayca elde edilir; bu h\u0131zlarda \u00e7alkalama kayb\u0131 VG 220'nin \u00fczerinde h\u0131zla artar. Kompres\u00f6r di\u015fli kutular\u0131 (Art50), b\u00fcy\u00fck end\u00fcstriyel fan tahrikleri (Art69).<\/td>\n<\/tr>\n
> 25 m\/s (y\u00fcksek h\u0131z)<\/td>\nVG 32\u2013100 (mineral marjinal)<\/td>\nVG 32\u201375 PAO tercih edilir<\/td>\n40 m\/s'nin \u00fczerinde, PAO g\u00fc\u00e7l\u00fc bir \u015fekilde tercih edilir; daha d\u00fc\u015f\u00fck \u00e7eki\u015f katsay\u0131s\u0131 ve daha iyi viskozite indeksi film kalitesini korur. EV d\u00fc\u015f\u00fcr\u00fcc\u00fcler (Art62), t\u00fcrbin h\u0131z art\u0131r\u0131c\u0131lar (Art69).<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

ISO 6743-6 Di\u015fli Ya\u011flay\u0131c\u0131 Kategorileri \u2014 Helisel Di\u015fliler \u0130\u00e7in Hangi Tip Uygundur?<\/h2>\n

ISO 6743-6, di\u015fli ya\u011flay\u0131c\u0131lar\u0131n\u0131 baz ya\u011f ve katk\u0131 maddesi t\u00fcr\u00fcne g\u00f6re s\u0131n\u0131fland\u0131r\u0131r. Do\u011fru kategoriyi se\u00e7mek, do\u011fru ISO VG s\u0131n\u0131f\u0131n\u0131 se\u00e7mek kadar \u00f6nemlidir; do\u011fru viskoziteye sahip yanl\u0131\u015f kategori bile yetersiz koruma sa\u011flar:<\/p>\n

\n
CLP \u2014 Mineral EP Di\u015fli Ya\u011f\u0131<\/strong><\/p>\n

K\u00fck\u00fcrt-fosfor (S\/P) a\u015f\u0131r\u0131 bas\u0131n\u00e7 katk\u0131l\u0131 standart mineral bazl\u0131 ya\u011f. \u00c7o\u011fu end\u00fcstriyel kullan\u0131m i\u00e7in uygundur. helisel di\u015fli<\/strong> 1\u201320 m\/s h\u0131z aral\u0131\u011f\u0131nda \u00e7al\u0131\u015f\u0131r. FVA mikro a\u015f\u0131nma derecesi MLS 6\u20138. De\u011fi\u015fim aral\u0131\u011f\u0131: Durum izlemesine ba\u011fl\u0131 olarak 3.000\u20138.000 saat. Standart \u015fanz\u0131manlar i\u00e7in en uygun maliyetli se\u00e7enek.<\/p>\n<\/div>\n

CLP HC \u2014 Hidrokraklanm\u0131\u015f Mineral<\/strong><\/p>\n

Hidrokrak y\u00f6ntemiyle elde edilen, oksidasyon stabilitesi iyile\u015ftirilmi\u015f ve geleneksel CLP'ye g\u00f6re biraz daha y\u00fcksek VI (\u2248 120) de\u011ferine sahip Grup III baz ya\u011f\u0131. 20\u201330%, CLP'ye g\u00f6re daha uzun kullan\u0131m \u00f6mr\u00fcne sahiptir. Tavsiye edilen kullan\u0131m alanlar\u0131: helisel di\u015fli<\/strong> Daha y\u00fcksek ortam s\u0131cakl\u0131klar\u0131nda veya uzun aral\u0131kl\u0131 servislerde kullan\u0131lan di\u015fli kutular\u0131 i\u00e7in uygundur. FVA mikro a\u015f\u0131nma derecesi MLS 8\u201310'dur. R\u00fczgar t\u00fcrbini ana di\u015fli kutular\u0131 ve a\u00e7\u0131k deniz di\u015fli kutular\u0131 i\u00e7in daha iyi bir se\u00e7enektir.<\/p>\n<\/div>\n

CLP PAO \u2014 Polialfaolefin Sentetik<\/strong><\/p>\n

PAO Grup IV sentetik baz ya\u011f; VI \u2248 150. En iyi y\u00fcksek h\u0131z performans\u0131 (d\u00fc\u015f\u00fck \u00e7eki\u015f katsay\u0131s\u0131 \u2192 daha y\u00fcksek verimlilik), en iyi so\u011fuk hava ak\u0131\u015f\u0131, en uzun hizmet \u00f6mr\u00fc (5.000\u201312.000 saat). EV red\u00fckt\u00f6rleri, BFP helisel tahrik sistemleri ve di\u011fer t\u00fcm uygulamalar i\u00e7in tercih edilir. helisel di\u015fli<\/strong> Enerji verimlili\u011finin parasal olarak de\u011ferlendirildi\u011fi uygulamalarda kullan\u0131l\u0131r. Litre ba\u015f\u0131na CLP mineral yak\u0131t\u0131ndan yakla\u015f\u0131k 2-3 kat daha pahal\u0131d\u0131r.<\/p>\n<\/div>\n

CLP PG \u2014 Poliglikol<\/strong><\/p>\n

Standart helisel di\u015fliler i\u00e7in tavsiye edilmez.<\/strong> Poliglikol bazl\u0131 ya\u011f, sonsuz di\u015fliler i\u00e7in m\u00fckemmeldir (bronz-\u00e7elik temas noktalar\u0131nda \u00e7ok d\u00fc\u015f\u00fck \u00e7eki\u015f katsay\u0131s\u0131na sahiptir), ancak nitril kau\u00e7uk contalara zarar verir ve PAO'ya g\u00f6re suyla daha kolay em\u00fclsiyonla\u015f\u0131r. Nadir istisnalar, sonsuz di\u015fli i\u00e7eren \u00f6zel uygulamalard\u0131r.helisel di\u015fli<\/strong> Sonsuz di\u015fli a\u015famas\u0131n\u0131n \u00f6ncelikli oldu\u011fu bile\u015fik di\u015fli kutular\u0131 veya nitril contalar\u0131n kullan\u0131lmad\u0131\u011f\u0131 paslanmaz \u00e7elik \u015faft tahrik sistemleri.<\/p>\n<\/div>\n<\/div>\n

Mineral ve PAO Kar\u015f\u0131la\u015ft\u0131rmas\u0131: Y\u00fckseltme Ne Zaman Fayda Sa\u011flar?<\/h2>\n

CLP mineralinden CLP PAO'ya y\u00fckseltme i\u015flemi i\u00e7in helisel di\u015fli<\/strong> Bu iyile\u015ftirme \u00fc\u00e7 fayda sa\u011flar: verimlilik (d\u00f6nme ve s\u00fcrt\u00fcnmenin azalmas\u0131 \u2192 daha d\u00fc\u015f\u00fck enerji maliyeti), daha uzun ya\u011f \u00f6mr\u00fc (bak\u0131m aral\u0131\u011f\u0131n\u0131n ve ar\u0131za s\u00fcresinin azalmas\u0131) ve a\u015f\u0131r\u0131 s\u0131cakl\u0131klarda daha iyi koruma. \u0130yile\u015ftirmenin kar\u015f\u0131l\u0131\u011f\u0131n\u0131 verip vermeyece\u011fi, i\u015fletme profiline ba\u011fl\u0131d\u0131r:<\/p>\n

Enerji verimlili\u011fi geri \u00f6deme hesaplamas\u0131 (\u00f6rnek: 75 kW) helisel di\u015fli<\/strong> s\u00fcr\u00fcc\u00fc, CLP 220 \u2192 PAO 220):
\nVerimlilik art\u0131\u015f\u0131: yakla\u015f\u0131k 0,5\u20131,0% (elek boyutu + \u00e7alkalama kayb\u0131 azalmas\u0131)
\nY\u0131ll\u0131k enerji tasarrufu: 75 kW \u00d7 0,007 \u00d7 8.000 saat\/y\u0131l = 4.200 kWh\/y\u0131l
\n0,12 USD\/kWh fiyatla: S\u00fcr\u00fcc\u00fc ba\u015f\u0131na y\u0131ll\u0131k 504 USD enerji tasarrufu.<\/p>\n

Petrol\u00fcn kullan\u0131m \u00f6mr\u00fc boyunca geri \u00f6deme s\u00fcresi:
\nCLP 220 mineral: 3.000 saatte bir ya\u011f de\u011fi\u015fimi \u2192 y\u0131lda 8.000 saat i\u00e7in 2,7 ya\u011f de\u011fi\u015fimi\/y\u0131l
\nCLP PAO 220: 8.000 saatte bir ya\u011f de\u011fi\u015fimi \u2192 y\u0131lda 1 de\u011fi\u015fim
\nY\u0131ll\u0131k ya\u011f hacmi tasarrufu: 1,7 de\u011fi\u015fim \u00d7 ya\u011f hacmi = b\u00fcy\u00fck \u015fanz\u0131manlar i\u00e7in \u00f6nemli<\/p>\n

Ba\u015faba\u015f noktas\u0131: PAO'nun litre ba\u015f\u0131na maliyeti tipik olarak CLP mineralinin 2-3 kat\u0131d\u0131r. 100 litrelik bir \u015fanz\u0131man i\u00e7in:
\nPAO dolum ba\u015f\u0131na prim: 300 USD; enerji tasarrufu: y\u0131ll\u0131k 504 USD \u2192 geri \u00f6deme s\u00fcresi < 1 y\u0131l.
\nY\u0131lda 2.000 saatten az \u00e7al\u0131\u015fan veya az ya\u011f hacmine sahip tahrik sistemleri i\u00e7in CLP mineral daha ekonomiktir.<\/p>\n

So\u011fuk \u00c7al\u0131\u015ft\u0131rma Viskozitesi \u2014 Minimum Ortam S\u0131cakl\u0131\u011f\u0131 Gereksinimi<\/h2>\n

A helisel di\u015fli<\/strong> Ya\u011f\u0131n karterden di\u015fli a\u011f\u0131na ve yatak konumlar\u0131na akmas\u0131 tamamlanmadan \u015fanz\u0131man asla tam y\u00fckte \u00e7al\u0131\u015ft\u0131r\u0131lmamal\u0131d\u0131r. \u00c7ok d\u00fc\u015f\u00fck ortam s\u0131cakl\u0131klar\u0131nda, y\u00fcksek viskoziteli mineral ya\u011f jel haline gelebilir veya o kadar yava\u015f akabilir ki, ilk 30-60 saniyelik \u00e7al\u0131\u015fma yeterli ya\u011flama olmadan ger\u00e7ekle\u015fir. \u00d6n \u0131s\u0131tma yap\u0131lmadan tam y\u00fckte \u00e7al\u0131\u015ft\u0131rma i\u00e7in minimum ortam s\u0131cakl\u0131\u011f\u0131:<\/p>\n

Mineral CLP di\u015fli ya\u011f\u0131n\u0131n akma noktas\u0131 ve minimum \u00e7al\u0131\u015ft\u0131rma s\u0131cakl\u0131klar\u0131 (yakla\u015f\u0131k):
\nVG 220 CLP minerali: akma noktas\u0131 \u2248 \u221215\u00b0C; minimum tam y\u00fck ba\u015flang\u0131\u00e7 \u200b\u200bs\u0131cakl\u0131\u011f\u0131 \u2248 \u22125\u00b0C
\nVG 320 CLP mineral: akma noktas\u0131 \u2248 \u221212\u00b0C; minimum tam y\u00fckte \u00e7al\u0131\u015ft\u0131rma s\u0131cakl\u0131\u011f\u0131 \u2248 0\u00b0C
\nVG 680 CLP mineral: akma noktas\u0131 \u2248 \u22129\u00b0C; minimum tam y\u00fckte ba\u015flang\u0131\u00e7 \u200b\u200bs\u0131cakl\u0131\u011f\u0131 \u2248 +5\u00b0C
\nVG 220 PAO: akma noktas\u0131 \u2248 \u221245\u00b0C; minimum tam y\u00fckte ba\u015flatma \u2248 \u221230\u00b0C
\nVG 320 PAO: akma noktas\u0131 \u2248 \u221242\u00b0C; minimum tam y\u00fckte \u00e7al\u0131\u015ft\u0131rma s\u0131cakl\u0131\u011f\u0131 \u2248 \u221225\u00b0C<\/p>\n

So\u011fuk iklimlerdeki (Kore k\u0131\u015f\u0131, Sibirya tesisleri, Arktik a\u00e7\u0131k deniz platformlar\u0131) \u015fanz\u0131manlar i\u00e7in:
\nPAO sentetik, genellikle ya\u011f \u0131s\u0131t\u0131c\u0131s\u0131 gereksinimini ortadan kald\u0131ran tek viskozite s\u0131n\u0131f\u0131 se\u00e7ene\u011fidir.<\/p>\n

Korea Ever-Power \u2014 Di\u015fli Sipari\u015fleri ile Ya\u011f Viskozitesi \u00d6nerisi<\/h2>\n

\"Korea<\/p>\n

Korea Ever-Power'\u0131n \u00fcretim di\u015flisinden \u00f6l\u00e7t\u00fc\u011f\u00fc di\u015f y\u00fczeyi Ra de\u011feri (DIN S\u0131n\u0131f 5 i\u00e7in Ra \u2264 0,2 \u00b5m, DIN S\u0131n\u0131f 7 i\u00e7in Ra \u2264 0,4 \u00b5m), \u03bb = 2,0 i\u00e7in bile\u015fik R_q ve gerekli h_min de\u011ferini hesaplamak i\u00e7in kullan\u0131l\u0131r; bu da belirtilen \u00e7al\u0131\u015fma s\u0131cakl\u0131\u011f\u0131nda gereken minimum ISO VG s\u0131n\u0131f\u0131n\u0131 do\u011frudan belirler. helisel di\u015fli<\/strong> kurulum<\/p>\n

Korea Ever-Power, her \u00fcr\u00fcn\u00fcnde \u00f6nerilen ISO VG s\u0131n\u0131f\u0131n\u0131 (ve bunu hakl\u0131 \u00e7\u0131karan minimum \u03bb = h_min\/R_q hesaplamas\u0131n\u0131) sunmaktad\u0131r. helisel kesme di\u015flisi<\/strong> Sipari\u015f, \u00fcretim di\u015flisinden al\u0131nan ger\u00e7ek \u00f6l\u00e7\u00fclm\u00fc\u015f di\u015f y\u00fczeyi Ra de\u011ferini kullan\u0131r, varsay\u0131lan bir de\u011feri de\u011fil. Ya\u011f \u00f6nerisi, belirtilen s\u0131n\u0131f i\u00e7in minimum ortam ba\u015flang\u0131\u00e7 \u200b\u200bs\u0131cakl\u0131\u011f\u0131n\u0131 i\u00e7erir ve so\u011fuk iklimde \u00e7al\u0131\u015fma i\u00e7in PAO sentetik ya\u011f\u0131n gerekli olup olmad\u0131\u011f\u0131n\u0131 belirtir. Do\u011frudan bir \u015fekilde helisel di\u015fli \u00fcreticisi<\/a>Korea Ever-Power, ya\u011f viskozitesi \u00f6nerisini di\u015flinin hat h\u0131z\u0131 ve \u00e7alkalama kayb\u0131 hesaplamas\u0131yla kar\u015f\u0131la\u015ft\u0131rarak kontrol eder ve m\u00fc\u015fteri, \u03bb oran\u0131n\u0131 iyile\u015ftirmeden verimlili\u011fi d\u00fc\u015f\u00fcrecek gereksiz derecede y\u00fcksek bir VG de\u011feri belirtmi\u015fse daha d\u00fc\u015f\u00fck bir viskozite derecesi \u00f6nerir. Daha fazla bilgi i\u00e7in g\u00f6z at\u0131n. helisel di\u015fli \u00fcr\u00fcn yelpazesi<\/a>.<\/p>\n

S\u0131k\u00e7a Sorulan Sorular<\/h2>\n
Motor de\u011fi\u015ftirilerek \u00e7al\u0131\u015fma h\u0131z\u0131 de\u011fi\u015ftirilirse, helisel di\u015fli kutusu ayn\u0131 ya\u011f kalitesiyle \u00e7al\u0131\u015fmaya devam edebilir mi?<\/strong><\/p>\n

Mutlaka de\u011fil. Motor daha h\u0131zl\u0131 \u00e7al\u0131\u015facak \u015fekilde (daha y\u00fcksek hat h\u0131z\u0131) de\u011fi\u015ftirilirse, mevcut y\u00fcksek viskoziteli ya\u011f a\u015f\u0131r\u0131 \u00e7alkalama kayb\u0131na ve y\u00fcksek ya\u011f s\u0131cakl\u0131\u011f\u0131na neden olabilir. Motor daha yava\u015f \u00e7al\u0131\u015facak \u015fekilde de\u011fi\u015ftirilirse, orijinal viskozite, azalt\u0131lm\u0131\u015f hat h\u0131z\u0131nda yeterli EHL filmi i\u00e7in \u00e7ok d\u00fc\u015f\u00fck olabilir. Mevcut bir motorun h\u0131z\u0131... helisel di\u015fli<\/strong> \u00b130%'den fazla vites kutusu de\u011fi\u015fikli\u011fi durumunda, \u03bb'n\u0131n 2,0'\u0131n \u00fczerinde kald\u0131\u011f\u0131n\u0131 do\u011frulamak i\u00e7in yeni \u00e7al\u0131\u015fma h\u0131z\u0131nda ya\u011f viskozite derecesi yeniden hesaplanmal\u0131d\u0131r. Korea Ever-Power, bu yeniden hesaplamay\u0131 her t\u00fcrl\u00fc de\u011fi\u015fiklik i\u00e7in sa\u011flamaktad\u0131r. helisel di\u015fli<\/strong> H\u0131z de\u011fi\u015fimi ge\u00e7irmi\u015f bir tahrik sistemi i\u00e7in hesaplama, ger\u00e7ek di\u015fli geometrisini (mod\u00fcl, y\u00fcz geni\u015fli\u011fi, ad\u0131m \u00e7ap\u0131) ve yeni h\u0131z\u0131 girdi olarak al\u0131r.<\/p>\n<\/div>\n

\u00c7ok kademeli helisel di\u015fli kutusunda hem giri\u015f y\u00fcksek h\u0131zl\u0131 mil hem de \u00e7\u0131k\u0131\u015f d\u00fc\u015f\u00fck h\u0131zl\u0131 mil i\u00e7in ayn\u0131 ya\u011f kalitesini kullanmak gerekli midir?<\/strong><\/p>\n

Ortak bir karterde helisel di\u015fli<\/strong> Di\u015fli kutusunda (en yayg\u0131n d\u00fczenleme), t\u00fcm kademeler ayn\u0131 ya\u011f\u0131 payla\u015f\u0131r; bu, y\u00fcksek h\u0131zl\u0131 ilk kademe i\u00e7in ideal viskozite (daha d\u00fc\u015f\u00fck VG) ve d\u00fc\u015f\u00fck h\u0131zl\u0131 son kademe i\u00e7in ideal viskozite (daha y\u00fcksek VG) aras\u0131nda bir uzla\u015fmad\u0131r. Standart yakla\u015f\u0131m, en kritik kademe i\u00e7in (tipik olarak, \u00e7alkalama kayb\u0131n\u0131n viskoziteye en duyarl\u0131 oldu\u011fu en y\u00fcksek hat h\u0131z\u0131 kademesi) ya\u011f viskozitesini se\u00e7mek ve daha yava\u015f kademelerde biraz daha d\u00fc\u015f\u00fck bir \u03bb de\u011ferini kabul etmektir; bu kademeler genellikle kritik de\u011fildir \u00e7\u00fcnk\u00fc daha d\u00fc\u015f\u00fck hat h\u0131zlar\u0131, EHL filminin zaten kal\u0131n oldu\u011fu anlam\u0131na gelir. \u0130lk ve son kademe aras\u0131ndaki h\u0131z oran\u0131n\u0131n 10:1'i a\u015ft\u0131\u011f\u0131 di\u015fli kutular\u0131nda (v_t oran\u0131 10:1'i a\u015farsa), hem y\u00fcksek h\u0131zl\u0131 kademede a\u015f\u0131r\u0131 ya\u011flamay\u0131 hem de d\u00fc\u015f\u00fck h\u0131zl\u0131 kademede yetersiz ya\u011flamay\u0131 \u00f6nlemek i\u00e7in her kademe i\u00e7in ayr\u0131 ya\u011f hazneleri (her biri kendi optimize edilmi\u015f ya\u011f kalitesine sahip) dikkate al\u0131nmaya de\u011ferdir.<\/p>\n<\/div>\n

Mod\u00fcl boyutu, helisel di\u015fli i\u00e7in gereken ya\u011f viskozitesini etkiler mi?<\/strong><\/p>\n

Evet, dolayl\u0131 olarak \u2014 iki mekanizma arac\u0131l\u0131\u011f\u0131yla. Daha b\u00fcy\u00fck bir mod\u00fcl helisel di\u015fli<\/strong> Daha b\u00fcy\u00fck bir e\u015fde\u011fer temas yar\u0131\u00e7ap\u0131 R'ye sahiptir, bu da ayn\u0131 viskozite ve h\u0131zda h_min'i art\u0131r\u0131r (h_min \u221d R'^0.46). Bu, b\u00fcy\u00fck mod\u00fcl anlam\u0131na gelir. helisel di\u015fliler<\/strong> Ayn\u0131 hat h\u0131z\u0131yla k\u00fc\u00e7\u00fck mod\u00fcll\u00fc di\u015flilere g\u00f6re daha d\u00fc\u015f\u00fck viskoziteyle ayn\u0131 \u03bb = 2.0 hedefine ula\u015f\u0131labilir. Bununla birlikte, b\u00fcy\u00fck mod\u00fcll\u00fc di\u015fliler genellikle daha d\u00fc\u015f\u00fck hat h\u0131zlar\u0131nda \u00e7al\u0131\u015f\u0131r; bu da bu avantaj\u0131 k\u0131smen ortadan kald\u0131r\u0131r. Net etki: d\u00fc\u015f\u00fck h\u0131zlarda (0,5\u20133 m\/s) \u00e7al\u0131\u015fan \u00e7ok b\u00fcy\u00fck mod\u00fcll\u00fc di\u015fliler (M20+) i\u00e7in, b\u00fcy\u00fck R' ve d\u00fc\u015f\u00fck h\u0131z\u0131n birle\u015fimi, \u00e7ok y\u00fcksek viskoziteli ya\u011flarla bile EHL film olu\u015fumunu marjinal hale getirir; bu nedenle EP s\u0131n\u0131r ya\u011flamas\u0131 b\u00fcy\u00fck mod\u00fcll\u00fc di\u015fliler i\u00e7in kritik hale gelir. helisel di\u015fliler<\/strong>.<\/p>\n<\/div>\n

Helisel di\u015fli tahrik sistemlerinde poliglikol (CLP PG) ya\u011f\u0131 neden \u00f6nerilmez?<\/strong><\/p>\n

Poliglikol ya\u011flar\u0131, hemen hemen t\u00fcm end\u00fcstriyel uygulamalarda kullan\u0131lan NBR contalarla uyumlu de\u011fildir. helisel di\u015fli<\/strong> Di\u015fli kutular\u0131nda, CLP PG ya\u011f\u0131 birka\u00e7 hafta i\u00e7inde \u015fi\u015fer ve NBR contalar\u0131n\u0131 bozarak \u00e7evreyi kirleten ve di\u015fli tahrik sisteminin ya\u011fs\u0131z kalmas\u0131na yol a\u00e7an ya\u011f s\u0131z\u0131nt\u0131lar\u0131na neden olur. \u0130kinci bir sorun ise su em\u00fclsifikasyonudur: CLP PG suyu emer ve su ay\u0131rma y\u00f6ntemiyle uzakla\u015ft\u0131r\u0131lmas\u0131 zor olan kararl\u0131 bir em\u00fclsiyon olu\u015fturur; em\u00fclsifiye olmu\u015f su daha sonra di\u015fli kutusu g\u00f6vdesinin i\u00e7inde ve di\u015flilerin yan y\u00fczeylerinde paslanmaya neden olur. helisel di\u015fli<\/strong>CLP PG, sonsuz di\u015fli kutular\u0131 i\u00e7in do\u011fru ya\u011flay\u0131c\u0131d\u0131r (PG'nin bronz \u00fczerindeki d\u00fc\u015f\u00fck s\u00fcrt\u00fcnme katsay\u0131s\u0131 burada benzersiz bir avantaj sa\u011flar) \u2014 ancak herhangi bir tahrik sistemi i\u00e7in de uygundur. helisel di\u015fli<\/strong> Bu a\u015famada, tercih edilen y\u00fcksek performansl\u0131 sentetik madde CLP PAO'dur, CLP PG de\u011fil.<\/p>\n<\/div>\n

\n

Her helisel di\u015fli sipari\u015finde ISO VG s\u0131n\u0131f\u0131 \u00f6nerisi.<\/h2>\n

Korea Ever-Power, \u00f6l\u00e7\u00fclen Ra ve ger\u00e7ek hat h\u0131z\u0131 de\u011ferlerinde \u03bb = h_min \/ R_q form\u00fcl\u00fcn\u00fc hesaplar ve ard\u0131ndan sipari\u015f dok\u00fcman\u0131nda standart olarak minimum ISO VG s\u0131n\u0131f\u0131 ve ya\u011f kategorisini (CLP \/ CLP HC \/ CLP PAO) - minimum ba\u015flang\u0131\u00e7 \u200b\u200bs\u0131cakl\u0131\u011f\u0131 ve ya\u011f servis aral\u0131\u011f\u0131yla birlikte - \u00f6nerir. Ayr\u0131 bir ya\u011flama m\u00fchendisli\u011fi \u00e7al\u0131\u015fmas\u0131na gerek yoktur.<\/p>\n

Ya\u011f Viskozitesi \u00d6nerisi Talebi<\/a>
\nHelisel Di\u015fli \u00dcr\u00fcn Yelpazesi<\/a><\/div>\n

\u03bb = h_min \/ R_q hesaplamas\u0131 \u00b7 ISO VG s\u0131n\u0131f\u0131 se\u00e7imi \u00b7 CLP \/ CLP HC \/ CLP PAO \u00f6nerisi \u00b7 So\u011fuk \u00e7al\u0131\u015ft\u0131rma s\u0131cakl\u0131\u011f\u0131 \u00b7 Servis aral\u0131\u011f\u0131 \u00b7 Standart dahil etme<\/p>\n<\/div>\n

Edit\u00f6r: Cxm<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"

Helisel Di\u015fli Kutusu Ya\u011f\u0131 Viskozite Se\u00e7imi \u2014 ISO VG S\u0131n\u0131f\u0131, EHL Film Kal\u0131nl\u0131\u011f\u0131 ve S\u0131cakl\u0131k Helisel di\u015fli kutusu i\u00e7in do\u011fru ya\u011f viskozitesini se\u00e7mek, sadece \"standart\" s\u0131n\u0131f\u0131 se\u00e7mekle ilgili bir mesele de\u011fildir; belirli hat h\u0131z\u0131 ve temas gerilimi i\u00e7in gereken EHL film kal\u0131nl\u0131\u011f\u0131n\u0131 dengeleyen bir hesaplamad\u0131r [\u2026]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[3082],"tags":[],"class_list":["post-2411","post","type-post","status-publish","format-standard","hentry","category-helical-gears"],"_links":{"self":[{"href":"https:\/\/helicalcutgears.top\/tr\/wp-json\/wp\/v2\/posts\/2411","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/helicalcutgears.top\/tr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/helicalcutgears.top\/tr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/helicalcutgears.top\/tr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/helicalcutgears.top\/tr\/wp-json\/wp\/v2\/comments?post=2411"}],"version-history":[{"count":2,"href":"https:\/\/helicalcutgears.top\/tr\/wp-json\/wp\/v2\/posts\/2411\/revisions"}],"predecessor-version":[{"id":2414,"href":"https:\/\/helicalcutgears.top\/tr\/wp-json\/wp\/v2\/posts\/2411\/revisions\/2414"}],"wp:attachment":[{"href":"https:\/\/helicalcutgears.top\/tr\/wp-json\/wp\/v2\/media?parent=2411"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/helicalcutgears.top\/tr\/wp-json\/wp\/v2\/categories?post=2411"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/helicalcutgears.top\/tr\/wp-json\/wp\/v2\/tags?post=2411"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}