.tecna-4648n-spot-welding-machine-page { --mk-dark: #111827; --mk-text: #1f2937; --mk-muted: #6b7280; --mk-border: #e1e6ec; --mk-soft: #f7f9fb; --mk-accent: #d71920; --mk-accent-dark: #b8141a; margin: 28px 0; color: var(--mk-text); background: #fff; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; } .tecna-4648n-spot-welding-machine-page, .tecna-4648n-spot-welding-machine-page * { box-sizing: border-box; } .tecna-4648n-spot-welding-machine-page .hero { padding: 32px; overflow: hidden; background: #fff; border: 1px solid var(--mk-border); border-radius: 4px; box-shadow: 0 6px 18px rgba(0, 0, 0, .05); } .tecna-4648n-spot-welding-machine-page .eyebrow { display: inline-flex; margin-bottom: 14px; padding: 7px 12px; color: var(--mk-accent); background: rgba(215, 25, 32, .08); border-radius: 4px; font-size: 14px; font-weight: 850; letter-spacing: .02em; text-transform: uppercase; } .tecna-4648n-spot-welding-machine-page h1 { margin: 0 0 16px; color: var(--mk-dark); font-size: clamp(34px, 4vw, 54px); font-weight: 900; line-height: 1.06; letter-spacing: -.035em; } .tecna-4648n-spot-welding-machine-page .lead { max-width: 1050px; margin: 0; color: #374151; font-size: 19px; line-height: 1.7; } .tecna-4648n-spot-welding-machine-page .hero-badges { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; margin-top: 26px; } .tecna-4648n-spot-welding-machine-page .hero-badge { min-width: 0; min-height: 108px; padding: 17px 16px; overflow: hidden; background: #fff; border: 1px solid var(--mk-border); border-radius: 4px; box-shadow: 0 3px 10px rgba(0, 0, 0, .035); } .tecna-4648n-spot-welding-machine-page .badge-value { display: block; color: var(--mk-dark); font-size: clamp(24px, 1.85vw, 33px); font-weight: 900; line-height: 1.12; letter-spacing: -.025em; white-space: nowrap; } .tecna-4648n-spot-welding-machine-page .hero-badge span { display: block; margin-top: 8px; color: var(--mk-muted); font-size: 14px; font-weight: 700; line-height: 1.35; } .tecna-4648n-spot-welding-machine-page .section { margin-top: 28px; padding: 30px; background: #fff; border: 1px solid var(--mk-border); border-radius: 4px; box-shadow: 0 5px 14px rgba(0, 0, 0, .04); } .tecna-4648n-spot-welding-machine-page .section h2 { margin: 0 0 18px; color: var(--mk-dark); font-size: 30px; font-weight: 900; line-height: 1.2; letter-spacing: -.02em; } .tecna-4648n-spot-welding-machine-page .section-intro { max-width: 980px; margin: -5px 0 22px; color: #4b5563; font-size: 17px; line-height: 1.7; } .tecna-4648n-spot-welding-machine-page .identity-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; } .tecna-4648n-spot-welding-machine-page .identity-card { padding: 20px; background: var(--mk-soft); border: 1px solid var(--mk-border); border-radius: 4px; } .tecna-4648n-spot-welding-machine-page .identity-card h3 { margin: 0 0 14px; color: var(--mk-dark); font-size: 21px; font-weight: 900; line-height: 1.3; } .tecna-4648n-spot-welding-machine-page .identity-list { margin: 0; padding: 0; list-style: none; } .tecna-4648n-spot-welding-machine-page .identity-list li { margin: 8px 0; color: #263140; font-size: 17px; line-height: 1.55; } .tecna-4648n-spot-welding-machine-page .identity-list strong { color: #111; font-weight: 850; } .tecna-4648n-spot-welding-machine-page .feature-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; } .tecna-4648n-spot-welding-machine-page .feature-card { min-width: 0; padding: 20px; background: #fff; border: 1px solid var(--mk-border); border-radius: 4px; } .tecna-4648n-spot-welding-machine-page .feature-icon { display: inline-flex; width: 42px; height: 42px; margin-bottom: 12px; align-items: center; justify-content: center; color: var(--mk-accent); background: rgba(215, 25, 32, .08); border-radius: 4px; font-size: 18px; font-weight: 900; } .tecna-4648n-spot-welding-machine-page .feature-card h3 { margin: 0 0 8px; color: var(--mk-dark); font-size: 19px; font-weight: 900; line-height: 1.3; } .tecna-4648n-spot-welding-machine-page .feature-card p { margin: 0; color: #4b5563; font-size: 16px; line-height: 1.65; } .tecna-4648n-spot-welding-machine-page .table-wrap { width: 100%; overflow-x: auto; } .tecna-4648n-spot-welding-machine-page table { width: 100%; border-collapse: collapse; background: #fff; } .tecna-4648n-spot-welding-machine-page th, .tecna-4648n-spot-welding-machine-page td { padding: 15px 17px; color: #1f2937; border: 1px solid var(--mk-border); font-size: 17px !important; line-height: 1.5 !important; text-align: left; vertical-align: middle; } .tecna-4648n-spot-welding-machine-page th { color: var(--mk-dark); background: #edf2f6; font-weight: 850; } .tecna-4648n-spot-welding-machine-page tbody tr:nth-child(even) { background: #f8fafc; } .tecna-4648n-spot-welding-machine-page .cta-box { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 22px; align-items: center; margin-top: 28px; padding: 28px 30px; color: #fff; background: var(--mk-dark); border-radius: 4px; } .tecna-4648n-spot-welding-machine-page .cta-box h2 { margin: 0 0 7px; color: #fff; font-size: 28px; font-weight: 900; line-height: 1.2; } .tecna-4648n-spot-welding-machine-page .cta-box p { margin: 0; color: rgba(255, 255, 255, .82); font-size: 17px; line-height: 1.6; } .tecna-4648n-spot-welding-machine-page .cta-button { display: inline-flex; min-height: 48px; padding: 13px 21px; align-items: center; justify-content: center; color: #fff !important; background: var(--mk-accent); border-radius: 4px; font-weight: 850; text-decoration: none; white-space: nowrap; } .tecna-4648n-spot-welding-machine-page .cta-button:hover { background: var(--mk-accent-dark); } @media (max-width: 980px) { .tecna-4648n-spot-welding-machine-page .hero-badges { grid-template-columns: repeat(2, minmax(0, 1fr)); } .tecna-4648n-spot-welding-machine-page .feature-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } } @media (max-width: 760px) { .tecna-4648n-spot-welding-machine-page .identity-grid, .tecna-4648n-spot-welding-machine-page .cta-box { grid-template-columns: 1fr; } .tecna-4648n-spot-welding-machine-page .spec-table, .tecna-4648n-spot-welding-machine-page .spec-table thead, .tecna-4648n-spot-welding-machine-page .spec-table tbody, .tecna-4648n-spot-welding-machine-page .spec-table th, .tecna-4648n-spot-welding-machine-page .spec-table td, .tecna-4648n-spot-welding-machine-page .spec-table tr { display: block; width: 100%; } .tecna-4648n-spot-welding-machine-page .spec-table thead { display: none; } .tecna-4648n-spot-welding-machine-page .spec-table tbody tr { margin-bottom: 12px; overflow: hidden; background: #fff; border: 1px solid var(--mk-border); border-radius: 4px; } .tecna-4648n-spot-welding-machine-page .spec-table td { border: 0; border-bottom: 1px solid #e8edf2; } .tecna-4648n-spot-welding-machine-page .spec-table td:last-child { border-bottom: 0; } .tecna-4648n-spot-welding-machine-page .spec-table td::before { display: block; margin-bottom: 4px; color: var(--mk-dark); content: attr(data-label); font-weight: 850; } } @media (max-width: 520px) { .tecna-4648n-spot-welding-machine-page .hero, .tecna-4648n-spot-welding-machine-page .section, .tecna-4648n-spot-welding-machine-page .cta-box { padding: 18px; } .tecna-4648n-spot-welding-machine-page h1 { font-size: 32px; } .tecna-4648n-spot-welding-machine-page .hero-badges, .tecna-4648n-spot-welding-machine-page .feature-grid { grid-template-columns: 1fr; } .tecna-4648n-spot-welding-machine-page .lead, .tecna-4648n-spot-welding-machine-page .section-intro, .tecna-4648n-spot-welding-machine-page .identity-list li, .tecna-4648n-spot-welding-machine-page th, .tecna-4648n-spot-welding-machine-page td { font-size: 15px !important; } } Aparati za zavarivanje Uređaj za točkasto zavarivanje Tecna 4648N Profesionalni uređaj za točkasto zavarivanje s maksimalnom snagom zavarivanja od 68 kVA i mogućnostima prilagodbe dubine elektroda i radnog hoda, pogodan za industrijsku upotrebu. 68 kVA maksimalna snaga zavarivanja 18 kA protok struje strujnog kruga 380–700 mm dubina elektroda 146 kg masa stroja Osnovne tehničke karakteristike Snaga i struja Nominalna snaga na 50%: 25 kVA Maksimalna snaga zavarivanja: 68 kVA Protok struje strujnog kruga: 18 kA Maksimalna struja zavarivanja čelika: 14,4 kA Toplinska struja pri 100%: 3,8 kA Napajanje i instalacija Napon struje praznog hoda: 4,6 V Napajanje: 400 V / 50 Hz Presjek kabla: 16 mm² (L = 10 m i L = 30 m) Tromi osigurač: 50 A Duljina ruke i elektroda Dubina i pritisak elektroda Minimalna dubina elektroda: 380 mm Maksimalna dubina elektroda: 700 mm Maksimalni pritisak elektrode pri 6 bar: 165 daN / 90 daN Korak elektroda: 10–60 mm / 15–105 mm Promjeri Promjer ruke: 40 mm Promjer držača elektrode: 22 mm Standardni stožasti promjer elektrode: 14,8 mm Hlađenje i zrak AIR Komprimirani zrak Dobava komprimiranog zraka iznosi 6,5 bar. 4,3 Potrošnja zraka Za 1000 točkastih zavarivanja potrebno je 4,3 m³ zraka pri tlaku od 6 bar. H₂O Vodeno hlađenje Protok vode za hlađenje iznosi 3,7 l/min. Radne karakteristike i buka 20 Radni hod Radni hod iznosi 20 mm. 20C Vrijeme zavarivanja Vrijeme zavarivanja iznosi 20 ciklusa. 11 Struja zavarivanja Struja zavarivanja iznosi 11 kA. 10 Broj zavara Uređaj omogućuje 10 zavara u minuti. dB Buka Razina buke manja je od 70 dB. F Industrijska primjena Uređaj je namijenjen profesionalnoj industrijskoj upotrebi. Masa stroja Masa Masa stroja: 146 kg Napajanje Napajanje: 400 V / 50 Hz Tromi osigurač: 50 A Pregled specifikacija Karakteristika Vrijednost Proizvođač Tecna Model 4648N Postupak zavarivanja Točkasto zavarivanje Nominalna snaga na 50% 25 kVA Maksimalna snaga zavarivanja 68 kVA Protok struje strujnog kruga 18 kA Maksimalna struja zavarivanja čelika 14,4 kA Toplinska struja pri 100% 3,8 kA Napon struje praznog hoda 4,6 V Napajanje 400 V / 50 Hz Presjek kabla 16 mm² (L = 10 m i L = 30 m) Tromi osigurač 50 A Minimalna dubina elektroda 380 mm Maksimalna dubina elektroda 700 mm Maksimalni pritisak elektrode pri 6 bar 165 daN / 90 daN Korak elektroda 10–60 mm / 15–105 mm Promjer ruke 40 mm Promjer držača elektrode 22 mm Standardni stožasti promjer elektrode 14,8 mm Dobava komprimiranog zraka 6,5 bar Zrak za 1000 točkastih zavarivanja 4,3 m³ (6 bar) Vodeno hlađenje 3,7 l/min Radni hod 20 mm Vrijeme zavarivanja 20 ciklusa Struja zavarivanja 11 kA Broj zavara u minuti 10 Buka < 70 dB Masa stroja 146 kg Potrebna vam je ponuda? 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