Press-ulagich kuchi qanday hisoblanadi?

Press-fit force F = p × π × d × L × μ, where p is the interface pressure from Lamé's thick-cylinder equations, d is the bore, L is the contact length, and μ is the assembly friction coefficient (typically 0.08-0.15 with oil).

Yig'ish uchun qanday ishqalanish koeffitsientidan foydalanish kerak?

For assembly (pressing in), use μ ≈ 0.08-0.12 with oil lubrication on the shaft. Dry assembly uses μ ≈ 0.15-0.20. Always lubricate the shaft before pressing to reduce force and prevent scoring.

Sovuq pressdan o'rniga qachon issiq montajdan foydalanish kerak?

Hot mounting (heating the bearing to 80-110°C) is recommended when: the interference is large (>0.001×d), the bearing bore exceeds 80mm, or the press-fit force exceeds the capacity of your press. Never heat above 120°C.

Qanday press quvvatiga muhtojman?

Press hisoblangan press-ulagich kuchidan kamida 1,5 baravar ko'p kuch bera olishi kerak — bu og'ishlarni hisobga olish uchun zarur. Odatdagi 50 mm li podshipnik uchun normal interferensiyada 5–20 kN (0,5–2 tonna) keng tarqalgan. Kattaroq podshipniklar 50–100+ kN talab qilishi mumkin.

Pressing podshipnikka zarar yetkazishi mumkinmi?

Ha, agar kuch noto'g'ri halqaga tatbiq etilsa. Valga presslaganda kuchni FAQAT ichki halqaga bering. Korpusga presslaganda kuchni FAQAT tashqi halqaga bering. Kuchni hech qachon dumalovchi elementlar orqali uzatmang.

Bepul muhandislik vositasi №058

Podshipnikni press-posadka kuchi kalkulyatori

Podshipnikni valga sovuq press-ulagich usulida o'rnatish uchun zarur bo'lgan o'q kuchini baholang. Yig'ish ishqalanish koeffitsienti bilan Lamé’ning qalin silindrli tenglamalaridan foydalanadi.

Lamé EquationsAssembly ForceCold Press

Results

Press-posadka kuchi

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Kontakt bosimi p

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Kuch tonnalarda

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Tavsiya etilgan press kuchi

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Issiq o'rnatish harorati

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Kontakt bosimi (Lamé)

Press-posadka kuchi

μ — yig'ish ishqalanishi: moy bilan 0,08–0,12, quruq holda 0,15–0,20
δ — diametral interferens (val tashqi diametri − podshipnik ichki diametri)
d — nominal ichki diametr
D_o — podshipnikning tashqi diametri

Issiq o'rnatish muqobili

ℹ️ Heating the bearing to 80–110°C expands the inner ring enough to slide onto the shaft without force. Required ΔT ≈ δ / (d × α) + 10°C margin. Never exceed 120°C to avoid metallurgical changes.

Amaliy Misol

Example — 6210 (50×80×18), δ = 0.018 mm

k = 50/80 = 0.625

p = 210000 × 0.018 / (2 × 50) × (1 − 0.625²) = 23.3 MPa

F = 23.3 × π × 50 × 18 × 0.10 / 1000 = 6,6 kN (0,67 tonna)

⚠️ Critical: Podshipnikni valga bosganda kuchni FAQAT ichki halqaga tatbiq eting. Kuchni hech qachon dumalovchi elementlar orqali uzatmang — bu brinellash shikastiga olib keladi.

Podshipnikni Press-Ulagich bilan O'rnatish Kuchi Kalkulyatori | Lamé Tenglamalari | Bepul Onlayn Vosita

Published by admin on Fevral 15, 2026 Fevral 15, 2026

Results

Kontakt bosimi (Lamé)

Press-posadka kuchi

Issiq o'rnatish muqobili

Amaliy Misol

Do'kon

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