Parmalash uchun RPM qanday hisoblanadi?

n = 1000 × v / (π × D), where v is cutting speed in m/min and D is drill diameter in mm.

Po'lat parmalashda qanday kesish tezligini tanlash kerak?

Yumshoq po'lat uchun HSS parmalarida: 20–30 m/min. Karbid parmalarida: 60–120 m/min. Doimo ishlab chiqaruvchi ma'lumotlarini tekshiring.

Parmalashdagi bosim kuchi qanday hisoblanadi?

Thrust Ft ≈ Kc × f × D / 2, where Kc is specific cutting force, f is feed per revolution, D is drill diameter.

Parmalashda aylanishga siljish nima?

Aylanishga siljish (f) — mil bir aylanishidagi o'qiy siljish, mm/rev da o'lchanadi. Po'latda HSS parmalari uchun odatdagi qiymatlar diametrga qarab 0,05–0,30 mm/rev ni tashkil etadi.

Parmalash momentini qanday taxminlash mumkin?

Torque M ≈ Kc × f × D² / 8 (Nm), using specific cutting force Kc in N/mm², feed f in mm/rev, and D in mm.

Bepul muhandislik vositasi №210

Parmalash parametrlari kalkulyatori

Parmalash tezligi, siljish tezligi, bosim kuchi va momentni hisoblang. Parma diametrini, kesish tezligini va aylanishga siljishni kiriting.

Tezlik / Siljish / Bosim kuchi / MomentAuto-Calc

Results

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36305

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Itarish kuchi (Ft)

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Burg'ulash momenti (M)

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Cutting Power

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Burg'ulash aylanish tezligi & Siljish tezligi

Itarish kuchi & Moment

Kc Ma'lumotnoma qiymatlari

Material	Kc (N/mm²)
Mild Steel	1800–2200
Zanglamaydigan po'lat	2200–2800
Cast Iron	1000–1400
Aluminium	600–900
Brass	700–1000

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