{"id":2284,"date":"2026-06-23T07:12:36","date_gmt":"2026-06-23T07:12:36","guid":{"rendered":"https:\/\/helicalcutgears.top\/?p=2284"},"modified":"2026-06-23T07:12:36","modified_gmt":"2026-06-23T07:12:36","slug":"helical-gear-ratio-centre-distance-calculation","status":"publish","type":"post","link":"https:\/\/helicalcutgears.top\/bs\/helical-gear-ratio-centre-distance-calculation\/","title":{"rendered":"Prora\u010duni omjera spiralnog prijenosa, sredi\u0161njeg rastojanja i niza zup\u010danika \u2014 Kompletan radni vodi\u010d"},"content":{"rendered":"<div style=\"font-family: Arial,sans-serif; color: #2c3e50; max-width: 1100px; margin: 0 auto; padding: 0 2%; line-height: 1.75; word-break: break-word; overflow-wrap: break-word;\">\n<div style=\"position: relative; min-height: 320px; display: flex; align-items: center; background: url('https:\/\/helicalcutgears.top\/wp-content\/uploads\/2026\/04\/helical-gear-workshop-1.webp') center\/cover no-repeat; border-radius: 8px; overflow: hidden; margin-bottom: 44px;\">\n<div style=\"position: absolute; inset: 0; background: linear-gradient(108deg,rgba(10,22,45,.92) 0%,rgba(10,22,45,.74) 50%,rgba(10,22,45,.28) 100%);\"><\/div>\n<div style=\"position: relative; z-index: 1; padding: clamp(28px,5%,52px); max-width: 620px;\">\n<h1 style=\"font-size: clamp(22px,3.8vw,40px); font-weight: 800; color: #fff; line-height: 1.18; margin: 0 0 14px;\">Prora\u010duni omjera spiralnog prijenosa, sredi\u0161njeg rastojanja i niza zup\u010danika \u2014 Kompletan radni vodi\u010d<\/h1>\n<p style=\"font-size: clamp(14px,2vw,17px); color: rgba(255,255,255,.82); line-height: 1.85; margin-bottom: 14px; margin: 0 0 22px;\">Izra\u010dunavanje prijenosnih omjera, me\u0111uosnih udaljenosti i broja zubaca za spiralni zup\u010dani pogon uklju\u010duje skup formula koje su pojedina\u010dno jednostavne, ali me\u0111usobno djeluju na na\u010dine koji uzrokuju gre\u0161ke kada se dimenzija kasnije promijeni. Ovaj vodi\u010d pokriva svaku formulu s kompletnim primjerom trostepenog mjenja\u010da i uklju\u010duje obrnuti izra\u010dun - pronala\u017eenje broja zubaca iz potrebnog prijenosnog omjera i fiksne me\u0111uosne udaljenosti ku\u0107i\u0161ta.<\/p>\n<p><a style=\"display: inline-block; background: #e67e22; color: #fff; font-weight: bold; font-size: clamp(13px,1.8vw,15px); padding: 12px 26px; border-radius: 6px; text-decoration: none;\" href=\"#contact\">Zatra\u017eite podr\u0161ku za dizajn zup\u010dastog mehanizma \u2192<\/a><\/p>\n<\/div>\n<\/div>\n<h2 style=\"font-size: clamp(18px,3vw,24px); color: #1a5276; border-bottom: 3px solid #e67e22; padding-bottom: 8px; margin: 40px 0 16px; font-weight: bold;\">Osnovni skup formula za prora\u010dun spiralnih zup\u010danika<\/h2>\n<p style=\"font-size: clamp(14px,2vw,17px); color: #2c3e50; line-height: 1.85; margin-bottom: 14px;\">Svi <strong>spiralni zup\u010danik<\/strong> Prora\u010duni proizlaze iz \u010detiri osnovna odnosa. Pam\u0107enje ova \u010detiri i razumijevanje njihovih veza eliminira potrebu za tabelama u ve\u0107ini prakti\u010dnih dizajnerskih situacija:<\/p>\n<div style=\"border: 2px solid #1a5276; border-radius: 8px; padding: 20px; margin: 20px 0;\">\n<p style=\"font-size: clamp(14px,1.8vw,16px); color: #1a5276; font-weight: bold; margin: 0 0 12px;\">Formule za \u010detverojezgreni spiralni zup\u010danik<\/p>\n<p style=\"padding: 10px 16px; background: #f0f8ff; border-left: 4px solid #2980b9; border-radius: 0 6px 6px 0; font-family: 'Courier New',monospace; font-size: clamp(13px,1.8vw,15px); margin: 12px 0;\">1. Pre\u010dnik koraka: d = Mn \u00d7 z \/ cos \u03b2<\/p>\n<p style=\"padding: 10px 16px; background: #f0f8ff; border-left: 4px solid #2980b9; border-radius: 0 6px 6px 0; font-family: 'Courier New',monospace; font-size: clamp(13px,1.8vw,15px); margin: 12px 0;\">2. Sredi\u0161nja udaljenost: C = Mn \u00d7 (z\u2081 + z\u2082) \/ (2 \u00d7 cos \u03b2)<\/p>\n<p style=\"padding: 10px 16px; background: #f0f8ff; border-left: 4px solid #2980b9; border-radius: 0 6px 6px 0; font-family: 'Courier New',monospace; font-size: clamp(13px,1.8vw,15px); margin: 12px 0;\">3. Prijenosni odnos brzine (prijenos): i = z\u2082 \/ z\u2081 = n\u2081 \/ n\u2082 = T\u2082 \/ T\u2081<\/p>\n<p style=\"padding: 10px 16px; background: #f0f8ff; border-left: 4px solid #2980b9; border-radius: 0 6px 6px 0; font-family: 'Courier New',monospace; font-size: clamp(13px,1.8vw,15px); margin: 12px 0;\">4. Izlazni obrtni moment: T\u2082 = 9550 \u00d7 P \u00d7 \u03b7 \/ n\u2082 [N\u00b7m, kW, obrtaji u minuti]<\/p>\n<div style=\"background: #f0f8ff; padding: 10px 14px; border-radius: 6px; font-size: clamp(13px,1.7vw,14.5px);\"><strong>Klju\u010dna me\u0111uzavisnost:<\/strong> Budu\u0107i da je d = Mn \u00d7 z \/ cos \u03b2 (ne Mn \u00d7 z kao kod cilindri\u010dnih zup\u010danika), promjena \u03b2 uz zadr\u017eavanje istih Mn i z mijenja i d i C. Bilo koja <strong>spiralni zup\u010danik<\/strong> Ku\u0107i\u0161te mjenja\u010da dizajnirano oko odre\u0111enog me\u0111uosnog rastojanja C mora uzeti u obzir \u010dlan cos \u03b2 - uobi\u010dajeni izvor gre\u0161ke pri pretvaranju dizajna cilindri\u010dnog zup\u010danika u spiralni zup\u010danik.<\/div>\n<\/div>\n<h2 style=\"font-size: clamp(18px,3vw,24px); color: #1a5276; border-bottom: 3px solid #e67e22; padding-bottom: 8px; margin: 40px 0 16px; font-weight: bold;\">Prora\u010dun odnosa brzina \u2014 jednostepeni i vi\u0161estepeni<\/h2>\n<h3 style=\"font-size: clamp(15px,2.5vw,19px); color: #2c3e50; border-left: 4px solid #1a5276; padding-left: 10px; margin: 24px 0 10px; font-weight: bold;\">Jednostepeni spiralni prenosni odnos<\/h3>\n<p style=\"font-size: clamp(14px,2vw,17px); color: #2c3e50; line-height: 1.85; margin-bottom: 14px;\">Za jednog <strong>spiralni zup\u010danik<\/strong> par (pogonski zup\u010danik):<\/p>\n<p style=\"padding: 10px 16px; background: #f0f8ff; border-left: 4px solid #2980b9; border-radius: 0 6px 6px 0; font-family: 'Courier New',monospace; font-size: clamp(13px,1.8vw,15px); margin: 12px 0;\">i = z\u2082 \/ z\u2081 (uvijek broj pogonjenih zuba zup\u010danika podijeljen brojem pogonskih zuba)<\/p>\n<p style=\"font-size: clamp(14px,2vw,17px); color: #2c3e50; line-height: 1.85; margin-bottom: 14px;\">Izlazna brzina: n\u2082 = n\u2081 \/ i. Izlazni obrtni moment (zanemaruju\u0107i gubitke): T\u2082 = T\u2081 \u00d7 i. Uklju\u010duju\u0107i efikasnost mre\u017ee \u03b7 (obi\u010dno 0,985\u20130,995 za uzemljenje <strong>spiralni zup\u010danik<\/strong> faza):<\/p>\n<p style=\"padding: 10px 16px; background: #f0f8ff; border-left: 4px solid #2980b9; border-radius: 0 6px 6px 0; font-family: 'Courier New',monospace; font-size: clamp(13px,1.8vw,15px); margin: 12px 0;\">T\u2082 = T\u2081 \u00d7 i \u00d7 \u03b7\u2081<\/p>\n<h3 style=\"font-size: clamp(15px,2.5vw,19px); color: #2c3e50; border-left: 4px solid #1a5276; padding-left: 10px; margin: 24px 0 10px; font-weight: bold;\">Vi\u0161estepeni spiralni zup\u010danik<\/h3>\n<p style=\"font-size: clamp(14px,2vw,17px); color: #2c3e50; line-height: 1.85; margin-bottom: 14px;\">Za k-stadij <strong>spiralni zup\u010danik<\/strong> mjenja\u010d, \u200b\u200bukupni prijenosni omjer je proizvod svih prijenosnih omjera stepena, a ukupni stepen korisnosti je proizvod svih stepeni korisnosti:<\/p>\n<p style=\"padding: 10px 16px; background: #f0f8ff; border-left: 4px solid #2980b9; border-radius: 0 6px 6px 0; font-family: 'Courier New',monospace; font-size: clamp(13px,1.8vw,15px); margin: 12px 0;\">i_ukupno = i\u2081 \u00d7 i\u2082 \u00d7 i\u2083 \u00d7 \u2026 \u00d7 i_k<\/p>\n<p style=\"padding: 10px 16px; background: #f0f8ff; border-left: 4px solid #2980b9; border-radius: 0 6px 6px 0; font-family: 'Courier New',monospace; font-size: clamp(13px,1.8vw,15px); margin: 12px 0;\">\u03b7_total = \u03b7\u2081 \u00d7 \u03b7\u2082 \u00d7 \u03b7\u2083 \u00d7 \u2026 \u00d7 \u03b7_k<\/p>\n<p style=\"padding: 10px 16px; background: #f0f8ff; border-left: 4px solid #2980b9; border-radius: 0 6px 6px 0; font-family: 'Courier New',monospace; font-size: clamp(13px,1.8vw,15px); margin: 12px 0;\">T_izlaz = 9550 \u00d7 P \u00d7 \u03b7_ukupno \/ n_izlaz [N\u00b7m]<\/p>\n<h3 style=\"font-size: clamp(15px,2.5vw,19px); color: #2c3e50; border-left: 4px solid #1a5276; padding-left: 10px; margin: 24px 0 10px; font-weight: bold;\">Kako rasporediti prijenosni omjer po fazama za minimalnu veli\u010dinu mjenja\u010da<\/h3>\n<p style=\"font-size: clamp(14px,2vw,17px); color: #2c3e50; line-height: 1.85; margin-bottom: 14px;\">Za 3-stepeni <strong>spiralni zup\u010danik<\/strong> Mjenja\u010d s ukupnim omjerom i = 40, raspodjela omjera kao 8:1 \u00d7 5:1 \u00d7 1:1 je neefikasna \u2014 zup\u010danik prvog stepena (8\u00d7 promjer zup\u010danika) dominira veli\u010dinom ku\u0107i\u0161ta, dok tre\u0107i stepen ne dodaje ni\u0161ta. Raspodjela minimalne veli\u010dine ima pribli\u017eno jednake omjere stepeni: 3,4:1 \u00d7 3,4:1 \u00d7 3,4:1 \u2248 39,3 \u2014 blizu cilja 40. Prakti\u010dno pravilo: omjeri stepeni trebaju biti unutar faktora 1,5\u20132\u00d7 jedan od drugog. Geometrijska progresija (svaki omjer stepeni = i_total^(1\/k)) je matemati\u010dki optimum za minimalnu zapreminu ku\u0107i\u0161ta.<\/p>\n<h2 style=\"font-size: clamp(18px,3vw,24px); color: #1a5276; border-bottom: 3px solid #e67e22; padding-bottom: 8px; margin: 40px 0 16px; font-weight: bold;\">Izra\u010dun sredi\u0161nje udaljenosti \u2014 Kriti\u010dna dimenzija ku\u0107i\u0161ta<\/h2>\n<p style=\"font-size: clamp(14px,2vw,17px); color: #2c3e50; line-height: 1.85; margin-bottom: 14px;\">Osno rastojanje C je rastojanje izme\u0111u sredi\u0161nje linije ulaznog vratila i sredi\u0161nje linije izlaznog vratila <strong>spiralni zup\u010danik<\/strong> faza. Postavlja ga ku\u0107i\u0161te i ne mo\u017ee se promijeniti bez ponovne obrade ku\u0107i\u0161ta. Formula za sredi\u0161nju udaljenost:<\/p>\n<p style=\"padding: 10px 16px; background: #f0f8ff; border-left: 4px solid #2980b9; border-radius: 0 6px 6px 0; font-family: 'Courier New',monospace; font-size: clamp(13px,1.8vw,15px); margin: 12px 0;\">C = Mn \u00d7 (z\u2081 + z\u2082) \/ (2 \u00d7 cos \u03b2)<\/p>\n<p style=\"font-size: clamp(14px,2vw,17px); color: #2c3e50; line-height: 1.85; margin-bottom: 14px;\">Obratite pa\u017enju na \u010dlan cos \u03b2: a <strong>spiralni zup\u010danik<\/strong> Par ima ve\u0107i me\u0111uosni razmak od para cilindri\u010dnih zup\u010danika s istim Mn i brojem zuba. Za Mn = 5, z\u2081 = 20, z\u2082 = 60, pri \u03b2 = 25\u00b0:<\/p>\n<p style=\"padding: 10px 16px; background: #f0f8ff; border-left: 4px solid #2980b9; border-radius: 0 6px 6px 0; font-family: 'Courier New',monospace; font-size: clamp(13px,1.8vw,15px); margin: 12px 0;\">C = 5 \u00d7 (20 + 60) \/ (2 \u00d7 cos 25\u00b0) = 5 \u00d7 80 \/ (2 \u00d7 0,906) = 400 \/ 1,812 = 220,8 mm<\/p>\n<p style=\"font-size: clamp(14px,2vw,17px); color: #2c3e50; line-height: 1.85; margin-bottom: 14px;\">Ekvivalentni par zup\u010danika sa cilindri\u010dnim zubima bi imao C = 5 \u00d7 80 \/ 2 = 200 mm \u2014 10.4% manje. Ovo je \u010desta gre\u0161ka u prora\u010dunu kada konstruktor poku\u0161ava da naknadno ugradi... <strong>spiralni zup\u010danici<\/strong> u postoje\u0107e ku\u0107i\u0161te zup\u010danika s ravnim zubom: isti Mn i broj zuba ne\u0107e odgovarati postoje\u0107em me\u0111uosnom rastojanju ako je \u03b2 &gt; 0\u00b0.<\/p>\n<div style=\"border-left: 4px solid #e67e22; background: #fff8e6; padding: 13px 16px; border-radius: 0 6px 6px 0; margin: 16px 0; font-size: clamp(13px,1.8vw,15px); color: #2c3e50; line-height: 1.75;\"><strong>Pomak profila (dodatna modifikacija) za nestandardno me\u0111uosno rastojanje:<\/strong> Ako se udaljenost izme\u0111u centara ku\u0107i\u0161ta C_housing razlikuje od standardne vrijednosti C izra\u010dunate gore za manje od pribli\u017eno \u00b15%, pomak profila (x\u2081 + x\u2082 \u2260 0) mo\u017ee prilagoditi udaljenost izme\u0111u centara rada kako bi odgovarala ku\u0107i\u0161tu bez promjene broja zuba ili modula. Korea Ever-Power izra\u010dunava ispravne koeficijente pomaka profila za bilo koju nestandardnu \u200b\u200budaljenost izme\u0111u centara kao dio procesa pregleda dizajna.<\/div>\n<h2 style=\"font-size: clamp(18px,3vw,24px); color: #1a5276; border-bottom: 3px solid #e67e22; padding-bottom: 8px; margin: 40px 0 16px; font-weight: bold;\">Odabir modula iz potrebnog obrtnog momenta \u2014 Po\u010detak novog dizajna<\/h2>\n<h3 style=\"font-size: clamp(15px,2.5vw,19px); color: #2c3e50; border-left: 4px solid #1a5276; padding-left: 10px; margin: 24px 0 10px; font-weight: bold;\">Pojednostavljena formula za dimenzioniranje modula<\/h3>\n<p style=\"font-size: clamp(14px,2vw,17px); color: #2c3e50; line-height: 1.85; margin-bottom: 14px;\">Za novo <strong>spiralni zup\u010danik<\/strong> Kod konstrukcije gdje modul jo\u0161 nije odre\u0111en, pojednostavljena po\u010detna formula zasnovana na \u010dvrsto\u0107i na savijanje korijena zuba prema ISO 6336 daje potreban modul na osnovu prenesenog momenta, brzina osovine i klase materijala:<\/p>\n<p style=\"padding: 10px 16px; background: #f0f8ff; border-left: 4px solid #2980b9; border-radius: 0 6px 6px 0; font-family: 'Courier New',monospace; font-size: clamp(13px,1.8vw,15px); margin: 12px 0;\">Mn_min \u2248 1,5 \u00d7 \u221b(T\u2081 \u00d7 KA \/ (z\u2081 \u00d7 b\/d \u00d7 \u03c3_F_lim \/ SF))^(1\/3) [mm, N\u00b7m]<\/p>\n<p style=\"font-size: clamp(14px,2vw,17px); color: #2c3e50; line-height: 1.85; margin-bottom: 14px;\">Ovaj pojednostavljeni oblik daje samo prvu procjenu; kompletan prora\u010dun prema ISO 6336 obuhvata faktor dinami\u010dkog optere\u0107enja K_v, raspodjelu optere\u0107enja na povr\u0161ini K_H\u03b2, te savijanje korijena i kontaktni zamor. In\u017eenjerski tim kompanije Korea Ever-Power vr\u0161i kompletan prora\u010dun za sve narud\u017ebe po narud\u017ebi. Za standardne primjene, sljede\u0107i empirijski rasponi modula prema ulaznoj snazi \u200b\u200bpokrivaju ve\u0107inu slu\u010dajeva za cementirani 20CrMnTi... <strong>spiralni zup\u010danici<\/strong> pri \u03b2 = 20\u00b0, SF = 1,3:<\/p>\n<div style=\"overflow-x: auto; width: 100%; margin: 18px 0;\">\n<table style=\"width: 100%; border-collapse: collapse; min-width: 480px;\">\n<thead>\n<tr>\n<th style=\"background: #1a5276; color: #fff; padding: 10px 13px; text-align: left; border: 1px solid #154360; font-size: clamp(13px,1.5vw,15px);\">Ulazna snaga (kW) pri n\u2081 = 1500 o\/min<\/th>\n<th style=\"background: #1a5276; color: #fff; padding: 10px 13px; text-align: left; border: 1px solid #154360; font-size: clamp(13px,1.5vw,15px);\">Procjena po\u010detnog modula (Mn)<\/th>\n<th style=\"background: #1a5276; color: #fff; padding: 10px 13px; text-align: left; border: 1px solid #154360; font-size: clamp(13px,1.5vw,15px);\">Tipi\u010dna \u0161irina lica b<\/th>\n<th style=\"background: #1a5276; color: #fff; padding: 10px 13px; text-align: left; border: 1px solid #154360; font-size: clamp(13px,1.5vw,15px);\">Tipi\u010dan broj zuba zup\u010danika z\u2081<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"background: #f2f3f4; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px); ;font-weight: 700;\">5\u201315 kW<\/td>\n<td style=\"background: #f2f3f4; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">M2\u2013M3<\/td>\n<td style=\"background: #f2f3f4; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">20\u201340 mm<\/td>\n<td style=\"background: #f2f3f4; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">18\u201325<\/td>\n<\/tr>\n<tr>\n<td style=\"background: #fff; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px); ;font-weight: 700;\">15\u201350 kW<\/td>\n<td style=\"background: #fff; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">M3\u2013M5<\/td>\n<td style=\"background: #fff; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">30\u201360 mm<\/td>\n<td style=\"background: #fff; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">20\u201328<\/td>\n<\/tr>\n<tr>\n<td style=\"background: #f2f3f4; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px); ;font-weight: 700;\">50\u2013150 kW<\/td>\n<td style=\"background: #f2f3f4; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">M4\u2013M6<\/td>\n<td style=\"background: #f2f3f4; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">50\u201390 mm<\/td>\n<td style=\"background: #f2f3f4; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">20\u201330<\/td>\n<\/tr>\n<tr>\n<td style=\"background: #fff; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px); ;font-weight: 700;\">150\u2013500 kW<\/td>\n<td style=\"background: #fff; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">M5\u2013M8<\/td>\n<td style=\"background: #fff; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">80\u2013140 mm<\/td>\n<td style=\"background: #fff; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">22\u201332<\/td>\n<\/tr>\n<tr>\n<td style=\"background: #f2f3f4; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px); ;font-weight: 700;\">500\u20132000 kW<\/td>\n<td style=\"background: #f2f3f4; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">M8\u2013M14<\/td>\n<td style=\"background: #f2f3f4; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">120\u2013240 mm<\/td>\n<td style=\"background: #f2f3f4; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">22\u201335<\/td>\n<\/tr>\n<tr>\n<td style=\"background: #fff; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px); ;font-weight: 700;\">2000\u201310.000 kW<\/td>\n<td style=\"background: #fff; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">M12\u2013M22<\/td>\n<td style=\"background: #fff; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">200\u2013450 mm<\/td>\n<td style=\"background: #fff; padding: 8px 12px; border: 1px solid #d5d8dc; font-size: clamp(13px,1.5vw,15px);\">20\u201330<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h2 style=\"font-size: clamp(18px,3vw,24px); color: #1a5276; border-bottom: 3px solid #e67e22; padding-bottom: 8px; margin: 40px 0 16px; font-weight: bold;\">Primjer kompletnog trostepenog mjenja\u010da<\/h2>\n<div style=\"border: 2px solid #1a5276; border-radius: 8px; padding: 20px; margin: 20px 0;\">\n<p style=\"font-size: clamp(14px,1.8vw,16px); color: #1a5276; font-weight: bold; margin: 0 0 12px;\">Dizajnirajte trostepeni linijski spiralni mjenja\u010d: 75 kW, 1500\u219238 o\/min<\/p>\n<p style=\"font-size: clamp(13px,1.7vw,15px); font-weight: bold; color: #2c3e50; margin: 0 0 8px;\">Korak 1: Ukupni omjer<\/p>\n<p style=\"padding: 10px 16px; background: #f0f8ff; border-left: 4px solid #2980b9; border-radius: 0 6px 6px 0; font-family: 'Courier New',monospace; font-size: clamp(13px,1.8vw,15px); margin: 12px 0;\">i_ukupno = n_ulaz \/ n_izlaz = 1500 \/ 38 = 39,5<\/p>\n<p style=\"font-size: clamp(13px,1.7vw,15px); font-weight: bold; color: #2c3e50; margin: 8px 0;\">Korak 2: Raspodjela omjera faza (geometrijska)<\/p>\n<p style=\"padding: 10px 16px; background: #f0f8ff; border-left: 4px solid #2980b9; border-radius: 0 6px 6px 0; font-family: 'Courier New',monospace; font-size: clamp(13px,1.8vw,15px); margin: 12px 0;\">i_po_fazi = 39,5^(1\/3) = 3,41 po fazi<\/p>\n<p style=\"font-size: clamp(13px,1.7vw,14.5px); color: #2c3e50; margin: 0 0 8px;\">Upotreba: Faza 1 = 3,55, Faza 2 = 3,35, Faza 3 = 3,32 \u2192 ukupno = 3,55 \u00d7 3,35 \u00d7 3,32 = 39,5 \u2713<\/p>\n<p style=\"font-size: clamp(13px,1.7vw,15px); font-weight: bold; color: #2c3e50; margin: 8px 0;\">Korak 3: Brzine osovine<\/p>\n<p style=\"padding: 10px 16px; background: #f0f8ff; border-left: 4px solid #2980b9; border-radius: 0 6px 6px 0; font-family: 'Courier New',monospace; font-size: clamp(13px,1.8vw,15px); margin: 12px 0;\">n\u2081 = 1500 obrtaja u minuti n\u2082 = 1500\/3,55 = 422 obrtaja u minuti n\u2083 = 422\/3,35 = 126 obrtaja u minuti n\u2084 = 126\/3,32 = 38 obrtaja u minuti<\/p>\n<p style=\"font-size: clamp(13px,1.7vw,15px); font-weight: bold; color: #2c3e50; margin: 8px 0;\">Korak 4: Izlazni obrtni moment (\u03b7_total = 0,97^3 \u2248 0,915 za 3 faze)<\/p>\n<p style=\"padding: 10px 16px; background: #f0f8ff; border-left: 4px solid #2980b9; border-radius: 0 6px 6px 0; font-family: 'Courier New',monospace; font-size: clamp(13px,1.8vw,15px); margin: 12px 0;\">T\u2084 = 9550 \u00d7 75 \u00d7 0,915 \/ 38 = 17.278 N\u00b7m \u2248 17,3 kN\u00b7m<\/p>\n<p style=\"font-size: clamp(13px,1.7vw,15px); font-weight: bold; color: #2c3e50; margin: 8px 0;\">Korak 5: Odabir modula (Faza 1 pri 1500 RPM, P=75 kW)<\/p>\n<p style=\"font-size: clamp(13px,1.7vw,14.5px); color: #2c3e50; margin: 0 0 8px;\">Obrtni moment zup\u010danika T\u2081 = 9550 \u00d7 75 \/ 1500 = 477 N\u00b7m \u2192 iz tabele: Mn = M4\u2013M6 \u2192 odaberite M5<\/p>\n<p style=\"font-size: clamp(13px,1.7vw,14.5px); color: #2c3e50; margin: 0 0 8px;\">Faza 3 pri 126 obrtaja u minuti, P = 75 \u00d7 0,97\u00b2 \u2248 70,6 kW \u2192 Zup\u010danik T\u2083 = 9550 \u00d7 70,6 \/ 126 = 5.348 N\u00b7m \u2192 Mn = M8\u2013M10 \u2192 odaberite M8<\/p>\n<p style=\"font-size: clamp(13px,1.7vw,15px); font-weight: bold; color: #2c3e50; margin: 8px 0;\">Korak 6: Broj zuba za Fazu 1 (i = 3,55, Mn = 5, \u03b2 = 20\u00b0)<\/p>\n<p style=\"padding: 10px 16px; background: #f0f8ff; border-left: 4px solid #2980b9; border-radius: 0 6px 6px 0; font-family: 'Courier New',monospace; font-size: clamp(13px,1.8vw,15px); margin: 12px 0;\">z\u2081 = 24, z\u2082 = 24 \u00d7 3,55 = 85,2 \u2192 zaokru\u017eiti na z\u2082 = 85, stvarno i = 85\/24 = 3,542<\/p>\n<p style=\"font-size: clamp(13px,1.7vw,14.5px); color: #2c3e50; margin: 0 0 8px;\">Revidirani lanac: 1500 \u2192 423,1 \u2192 126,3 \u2192 38,1 obrtaja u minuti (gre\u0161ka &lt;0,3%)<\/p>\n<p style=\"font-size: clamp(13px,1.7vw,15px); font-weight: bold; color: #2c3e50; margin: 8px 0;\">Korak 7: Udaljenost izme\u0111u centara Faza 1<\/p>\n<p style=\"padding: 10px 16px; background: #f0f8ff; border-left: 4px solid #2980b9; border-radius: 0 6px 6px 0; font-family: 'Courier New',monospace; font-size: clamp(13px,1.8vw,15px); margin: 12px 0;\">C\u2081 = 5 \u00d7 (24 + 85) \/ (2 \u00d7 cos 20\u00b0) = 5 \u00d7 109 \/ 1,879 = 290,1 mm<\/p>\n<\/div>\n<h2 style=\"font-size: clamp(18px,3vw,24px); color: #1a5276; border-bottom: 3px solid #e67e22; padding-bottom: 8px; margin: 40px 0 16px; font-weight: bold;\">Povratno izra\u010dunavanje broja zuba na osnovu fiksne udaljenosti od centra<\/h2>\n<p style=\"font-size: clamp(14px,2vw,17px); color: #2c3e50; line-height: 1.85; margin-bottom: 14px;\">Prilikom zamjene zup\u010danika u postoje\u0107em ku\u0107i\u0161tu s fiksnim me\u0111uosnim razmakom C, izazov je prona\u0107i broj zubaca z\u2081 i z\u2082 koji daje potreban omjer i i odgovara fiksnom C, s obzirom na odabrani Mn i \u03b2. Postupak:<\/p>\n<p style=\"padding: 10px 16px; background: #f0f8ff; border-left: 4px solid #2980b9; border-radius: 0 6px 6px 0; font-family: 'Courier New',monospace; font-size: clamp(13px,1.8vw,15px); margin: 12px 0;\">Iz C = Mn \u00d7 (z\u2081 + z\u2082) \/ (2 cos \u03b2): z\u2081 + z\u2082 = 2C \u00d7 cos \u03b2 \/ Mn<\/p>\n<p style=\"padding: 10px 16px; background: #f0f8ff; border-left: 4px solid #2980b9; border-radius: 0 6px 6px 0; font-family: 'Courier New',monospace; font-size: clamp(13px,1.8vw,15px); margin: 12px 0;\">Iz i = z\u2082 \/ z\u2081: z\u2082 = i \u00d7 z\u2081<\/p>\n<p style=\"padding: 10px 16px; background: #f0f8ff; border-left: 4px solid #2980b9; border-radius: 0 6px 6px 0; font-family: 'Courier New',monospace; font-size: clamp(13px,1.8vw,15px); margin: 12px 0;\">Kombiniranje: z\u2081 \u00d7 (1 + i) = 2C cos \u03b2 \/ Mn \u2192 z\u2081 = 2C cos \u03b2 \/ (Mn \u00d7 (1 + i))<\/p>\n<p style=\"font-size: clamp(14px,2vw,17px); color: #2c3e50; line-height: 1.85; margin-bottom: 14px;\">Rezultat se mora zaokru\u017eiti na cijeli broj. Ako zaokru\u017eene vrijednosti ne daju ta\u010dno potreban omjer, stvarni omjer i_actual = z\u2082_rounded \/ z\u2081_rounded se neznatno razlikuje od i_target. Za ve\u0107inu primjena zamjene, tolerancija omjera \u00b11\u20132% je prihvatljiva. Ako je potrebna ve\u0107a ta\u010dnost omjera, pomak profila mo\u017ee prilagoditi udaljenost radnog centra kako bi se precizno prilagodio zaobljenom broju zuba.<\/p>\n<h2 style=\"font-size: clamp(18px,3vw,24px); color: #1a5276; border-bottom: 3px solid #e67e22; padding-bottom: 8px; margin: 40px 0 16px; font-weight: bold;\">Korea Ever-Power \u2014 Prora\u010duni zup\u010dastog sistema kao dio standardne in\u017eenjerske usluge<\/h2>\n<p><img decoding=\"async\" style=\"width: 100%; height: auto; display: block; margin: 22px 0; border-radius: 6px; box-shadow: 0 3px 12px rgba(0,0,0,.10);\" src=\"https:\/\/helicalcutgears.top\/wp-content\/uploads\/2026\/04\/Machinery-Helical-Gear.webp\" alt=\"Korejski Ever-Power spiralni zup\u010danik sa izra\u010dunatim modulom broja zuba i me\u0111uosnim razmakom, \u0161to potvr\u0111uje da odgovara specificiranom ku\u0107i\u0161tu sa potrebnim prijenosnim omjerom i izlaznim obrtnim momentom.\" \/><\/p>\n<p style=\"font-size: 12.5px; color: #7f8c8d; text-align: center; margin: -14px 0 24px; font-style: italic;\">Korea Ever-Power pru\u017ea kompletnu podr\u0161ku za prora\u010dun zup\u010dastog mehanizma kao dio svakog <strong>spiralno rezani zup\u010danik<\/strong> narud\u017eba \u2014 potvr\u0111ivanje broja zubaca, kompatibilnosti me\u0111uosnog rastojanja, ta\u010dnosti prenosnog odnosa i izlaznog obrtnog momenta prije po\u010detka proizvodnje<\/p>\n<p style=\"font-size: clamp(14px,2vw,17px); color: #2c3e50; line-height: 1.85; margin-bottom: 14px;\">In\u017eenjerski tim kompanije Korea Ever-Power vr\u0161i kompletne prora\u010dune zup\u010danika za svaki prilago\u0111eni projekat. <a style=\"color: #1a5276; text-decoration: underline;\" href=\"https:\/\/helicalcutgears.top\/bs\/product-category\/helical-gear\/\">spiralno rezani zup\u010danik<\/a> narud\u017eba \u2014 potvr\u0111ivanje broja zuba, kompatibilnosti me\u0111uosnog rastojanja, ta\u010dnosti prijenosnog omjera, odabira modula na osnovu obrtnog momenta i brzine, te adekvatnosti \u0161irine povr\u0161ine. Kao direktno <a style=\"color: #1a5276; text-decoration: underline;\" href=\"https:\/\/helicalcutgears.top\/bs\/\">proizvo\u0111a\u010d spiralnih zup\u010danika<\/a> sa preko 10.000 <strong>spiralni zup\u010danik<\/strong> Sa dugogodi\u0161njim iskustvom, tim kompanije Korea Ever-Power identifikuje gre\u0161ke u prora\u010dunima i konflikte u specifikacijama prije po\u010detka proizvodnje \u2013 spre\u010davaju\u0107i naj\u010de\u0161\u0107u i najskuplju gre\u0161ku u nabavci zup\u010danika: dobijanje zup\u010danika koji tehni\u010dki ispunjavaju crte\u017e, ali ne odgovaraju ku\u0107i\u0161tu ili ne posti\u017eu specificiranu izlaznu brzinu.<\/p>\n<h2 style=\"font-size: clamp(18px,3vw,24px); color: #1a5276; border-bottom: 3px solid #e67e22; padding-bottom: 8px; margin: 40px 0 16px; font-weight: bold;\">\u010cesto postavljana pitanja<\/h2>\n<div style=\"border-bottom: 1px solid #e0e0e0; padding: 14px 0;\"><strong style=\"font-size: clamp(14px,2vw,17px); color: #1a5276; line-height: 1.85; margin-bottom: 7px; display: block;\">Za\u0161to promjena ugla spirale mijenja sredi\u0161nje rastojanje \u010dak i ako zadr\u017eim isti modul i broj zubaca?<\/strong><\/p>\n<p style=\"font-size: clamp(14px,2vw,17px); color: #2c3e50; line-height: 1.85; margin-bottom: 0;\">Formula za udaljenost od centra C = Mn \u00d7 (z\u2081 + z\u2082) \/ (2 \u00d7 cos \u03b2) sadr\u017ei cos \u03b2 u nazivniku. Pove\u0107anje \u03b2 smanjuje cos \u03b2, \u0161to pove\u0107ava C. Na primjer, pri Mn = 5, z\u2081 + z\u2082 = 80: C pri \u03b2 = 0\u00b0 (izbo\u010dina) = 200 mm; C pri \u03b2 = 20\u00b0 = 212,8 mm; C pri \u03b2 = 25\u00b0 = 220,8 mm. To zna\u010di da ne mo\u017eete jednostavno pove\u0107ati ugao spirale... <strong>spiralni zup\u010danik<\/strong> bez provjere da li se mora promijeniti i razmak izme\u0111u centara ku\u0107i\u0161ta - ili se mora primijeniti pomak profila (dodatna modifikacija) kako bi se razmak izme\u0111u centara rada vratio na prvobitnu dimenziju ku\u0107i\u0161ta.<\/p>\n<\/div>\n<div style=\"border-bottom: 1px solid #e0e0e0; padding: 14px 0;\"><strong style=\"font-size: clamp(14px,2vw,17px); color: #1a5276; line-height: 1.85; margin-bottom: 7px; display: block;\">Koji je minimalni broj zuba zup\u010danika da bi se izbjeglo podrezivanje u spiralnom zup\u010daniku?<\/strong><\/p>\n<p style=\"font-size: clamp(14px,2vw,17px); color: #2c3e50; line-height: 1.85; margin-bottom: 0;\">Minimalni broj zuba za standardni addendum <strong>spiralni zup\u010danik<\/strong> bez podrezivanja je pribli\u017eno: z_min \u2248 17 \/ cos\u00b3\u03b2 (za \u03b1_n = 20\u00b0). Pri \u03b2 = 0\u00b0 (cilindri\u010dni zup\u010danik), z_min \u2248 17. Pri \u03b2 = 20\u00b0, z_min \u2248 17 \/ cos\u00b3(20\u00b0) = 17 \/ 0,830 \u2248 20,5 \u2192 zaokru\u017eiti na 21. Pri \u03b2 = 30\u00b0, z_min \u2248 17 \/ 0,650 \u2248 26. To zna\u010di da spiralni zup\u010danici s ve\u0107im kutovima zavojnice imaju ve\u0107i minimalni broj zuba od cilindri\u010dnih zup\u010danika - va\u017eno za kompaktne konstrukcije s visokim prijenosnim omjerom gdje bi broj zuba zup\u010danika ina\u010de mogao pasti ispod granice podrezivanja.<\/p>\n<\/div>\n<div style=\"border-bottom: 1px solid #e0e0e0; padding: 14px 0;\"><strong style=\"font-size: clamp(14px,2vw,17px); color: #1a5276; line-height: 1.85; margin-bottom: 7px; display: block;\">Kako da izra\u010dunam prenosni odnos vi\u0161estepenog menja\u010da kada znam samo ulazne i izlazne obrtaje?<\/strong><\/p>\n<p style=\"font-size: clamp(14px,2vw,17px); color: #2c3e50; line-height: 1.85; margin-bottom: 0;\">i_ukupno = n_ulaz \/ n_izlaz. Za gornji primjer: i = 1500 \/ 38 = 39,47. Da biste prona\u0161li pojedina\u010dne prijenosne omjere stepena iz broja zuba, izmjerite broj zuba svih zup\u010danika u mjenja\u010du (brojite direktno za male zup\u010danike; koristite analizator zup\u010danika za velike zup\u010danike gdje je direktno brojanje te\u0161ko). Prijenosni omjer stepena = z_pogonjen \/ z_pogonski za svaki stepen. Proizvod svih prijenosnih omjera stepena trebao bi biti jednak i_ukupno unutar \u00b10,5% (zaokru\u017eivanje broja zuba unosi malu razliku).<\/p>\n<\/div>\n<div style=\"padding: 14px 0;\"><strong style=\"font-size: clamp(14px,2vw,17px); color: #1a5276; line-height: 1.85; margin-bottom: 7px; display: block;\">Mo\u017ee li Korea Ever-Power obrnuto izra\u010dunati broj zuba na osnovu mjerenja udaljenosti izme\u0111u osa i potrebnog omjera?<\/strong><\/p>\n<p style=\"font-size: clamp(14px,2vw,17px); color: #2c3e50; line-height: 1.85; margin-bottom: 0;\">Da \u2014 ovo je standardna usluga. Navedite: sredi\u0161nje rastojanje C (mjereno od ku\u0107i\u0161ta), potreban prijenosni omjer i (na osnovu mjerenja brzine ulaznog\/izlaznog vratila ili natpisne plo\u010dice), ugao spirale \u03b2 (mjereno od postoje\u0107eg zup\u010danika pomo\u0107u analizatora zup\u010danika) i normalni modul Mn (izra\u010dunat na osnovu broja zuba i mjerenja vanjskog promjera). Korea Ever-Power izra\u010dunava ta\u010dnu kombinaciju broja zuba koja odgovara C i daje i unutar prihvatljive tolerancije zaokru\u017eivanja, specificira bilo koji potreban pomak profila i proizvodi zamjenski dio. <strong>spiralni zup\u010danik<\/strong> uparite kao uskla\u0111eni skup.<\/p>\n<\/div>\n<div id=\"contact\" style=\"background: linear-gradient(135deg,#12243e 0%,#1c4a8a 100%); border-radius: 10px; padding: clamp(28px,5%,48px); margin: 48px 0 20px; text-align: center;\">\n<h2 style=\"font-size: clamp(20px,3vw,30px); color: #fff; font-weight: 800; margin: 0 0 12px;\">Trebate li pomo\u0107 pri prora\u010dunu zup\u010dastog mehanizma?<\/h2>\n<p style=\"font-size: clamp(14px,2vw,16.5px); color: rgba(255,255,255,.78); max-width: 520px; margin: 0 auto 26px; line-height: 1.72;\">Navedite svoju ulaznu brzinu, izlaznu brzinu, snagu, razmak izme\u0111u centara ku\u0107i\u0161ta i ugao spirale. Korea Ever-Power izra\u010dunava broj zubaca, provjerava ta\u010dnost prenosnog odnosa, provjerava kompatibilnost razmaka izme\u0111u centara i izra\u0111uje specifikaciju u roku od 24 radna sata.<\/p>\n<div style=\"display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; margin-bottom: 12px;\"><a style=\"display: inline-block; background: #e67e22; color: #fff; font-weight: bold; font-size: clamp(13px,1.8vw,15px); padding: 13px 28px; border-radius: 6px; text-decoration: none;\" href=\"#contact\">Zatra\u017eite podr\u0161ku za izra\u010dun<\/a><br \/>\n<a style=\"display: inline-block; background: transparent; color: #fff; font-weight: bold; font-size: clamp(13px,1.8vw,15px); padding: 13px 28px; border-radius: 6px; text-decoration: none; border: 2px solid rgba(255,255,255,.55);\" href=\"https:\/\/helicalcutgears.top\/bs\/product-category\/helical-gear\/\">Asortiman proizvoda sa spiralnim zup\u010danicima<\/a><\/div>\n<p style=\"font-size: clamp(12px,1.6vw,13.5px); color: rgba(255,255,255,.48); margin: 0;\">Izra\u010dun omjera \u00b7 Provjera sredi\u0161njeg razmaka \u00b7 Optimizacija broja zuba \u00b7 Pomak profila \u00b7 Obra\u0111eni primjer \u00b7 MOQ 1 komad<\/p>\n<\/div>\n<p>Urednik: Cxm<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Prora\u010duni omjera prijenosa spiralnog zup\u010danika, sredi\u0161njeg rastojanja i zup\u010danog niza \u2014 Kompletan radni vodi\u010d Izra\u010dunavanje omjera prijenosa, sredi\u0161njih rastojanja i broja zuba za spiralni zup\u010danik uklju\u010duje skup formula koje su pojedina\u010dno jednostavne, ali me\u0111usobno djeluju na na\u010dine koji uzrokuju gre\u0161ke kada se dimenzija kasnije promijeni. Ovaj vodi\u010d pokriva svaku formulu sa [\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-2284","post","type-post","status-publish","format-standard","hentry","category-helical-gears"],"_links":{"self":[{"href":"https:\/\/helicalcutgears.top\/bs\/wp-json\/wp\/v2\/posts\/2284","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/helicalcutgears.top\/bs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/helicalcutgears.top\/bs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/helicalcutgears.top\/bs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/helicalcutgears.top\/bs\/wp-json\/wp\/v2\/comments?post=2284"}],"version-history":[{"count":2,"href":"https:\/\/helicalcutgears.top\/bs\/wp-json\/wp\/v2\/posts\/2284\/revisions"}],"predecessor-version":[{"id":2288,"href":"https:\/\/helicalcutgears.top\/bs\/wp-json\/wp\/v2\/posts\/2284\/revisions\/2288"}],"wp:attachment":[{"href":"https:\/\/helicalcutgears.top\/bs\/wp-json\/wp\/v2\/media?parent=2284"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/helicalcutgears.top\/bs\/wp-json\/wp\/v2\/categories?post=2284"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/helicalcutgears.top\/bs\/wp-json\/wp\/v2\/tags?post=2284"}],"curies":[{"name":"radni list","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}