Reja; Tishli g’ildiraklarning vazifasi va texnik shartlari

1-jadval. Tishli sirt o’lchamlari aniqligi va ishchi yuzasining sifat parametrlarini ta’minllash bo’yicha ishlov berish usullarining imkoniyatlari

Ishlov berish usullari	Aniq- lik dara- jasi	Detalning sirtqi qatlami sifatining parametrlari
		Hmax, mkm 1000 mm.da	Wz,mkm	Ra, mkm	Rp, mkm	Sm, mm	S, mm
1	2	3	4	5	6	7	8
Modulli frezalar bilan tish qirqish Chervyakli freza bilan Dolbyakda	9...11 8...9 7...8	20...100 15...60 10...40	10...50 5...50 5...30	8...16 3,2...8 2,0...4,0	20...50 8,0...25 5,0...12	1,25...5,0 0,32...1,6 02,...1,25	1,0...5,0 0,2...1,6 0,125...1,25
Sidirish	6...7	5...20	31...20	0,8...1,6	2,0...5,0	0,08...2,0	0,05...2,0
Nakatkalash sh	8...9	10...80	10...50	0,8...2,0	1,8...6,0	0,08...5,0	0,063...5,0
Shevinglash	5...6	5...15	2...10	0,6...1,25	1,5...3,6	0,125...0,5	0,08...0,5
Jo’valash	5...6	3...8	3...10	0,32...1,0	0,63...3,0	0,063...2,0	0,032...2,0
Ishqalash	5	2...5	2...3	0,1...0,25	0,15...0,6	0,032..0,5	0,02...0,5
Eslatma: 1.Berilganlar konstruktsion po’lotlardan tayyorlangan detallar uchun. 2. Cho’yanli detallar uchun g’adir-budurlik Ra, Rz parametrlarni jadvaldagidan 1,5 marta katta oling.

1. Tishli uzatmalarning qanday ko’rinishlari bor?
2. GOST 1.643-72, GOST 1.758-72, GOST 3.675-72 da tishli
g’ildiraklarning qanday tavsiflari berilgan ?
3. Silindrik tishli g’ildiraklar qaysi usullarda ishlanadi?
4. Egri chiziqli tishli konusli g’ildiraklarning tishlarini qaysi
usullarda kesiladi?
5. Chervyakli g’ildiraklar qaysi usullar bilan ishlanadi?
6. Chervyaklarni jilvirlash sxemasini ko’rsati