Usha Polish

Sharaxaad Gaaban:

Usha Polish waa nooc ka mid ah ul nuugid gaar ah oo ku xidhan ul nuugid iyo alwaax alwaax ah. Waxay ku taal xagga sare ee usha nuugista, waxay u baahan tahay inay qaado xoogga ugu badan, sidaas darteed dhexroorka ka weyn iyo darajada birta ka sarreeya ee usha nuugista, oogada ayaa aad u siman.

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Faahfaahinta Alaabta

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Tilmaamaha Alaabta

1.Usha Polish waa nooc ka mid ah ul nuugid gaar ah oo ku xiran ul suugista iyo alwaaxdii. Waxay ku taal xagga sare ee usha nuugista, waxay u baahan tahay inay qaado xoogga ugu badan, sidaas darteed dhexroorka ka weyn iyo darajada birta ka sarreeya ee usha nuugista, oogada ayaa aad u siman.

2.Shaqada ugu muhiimsan:

Lagu daray baakadaha lagu rakibay sanduuqa baakadaha si loo xidho madaxa ceelka loogana hortago saliid, gaaska, biyaha siidaynta.

Xidhiidhiyaha ku meel gaadhka ah ee u dhexeeya usha nuugta iyo baqalka madaxa baqalka

Tijaabada jaantuska tusaha dhammaystirka.

Dhammaystir hawl-fulinta ceelasha kala duwan, sida bamka garaacista, habaynta habaynta bamka.

Nooca miiska qeexitaanka

Qiimaha magacaaban	Dhexroorka jidhka ul D +0.127-0.254 (+0.005-0.010) mm (in)	Dhererka Lmm士 50mm (Lft 士 2in)	Dhererka magac ahaan dhexroorka mm (in)	mm (in) Dhexroorka garabka dibadda dunta dibadda	Cabbirka usha nuugista ku habboon (gud)
29	28. 6 (11/8)	2438, 3353, 4877, 6707, 7315, 7925 (8, 11. 16. 22. 24 , 26)	24 (15/16) PR	一	16 (5/8)
29	28. 6 (11/8)	2438, 3353, 4877, 6707, 7315, 7925 (8, 11. 16. 22. 24 , 26)	27 (1 1/16) PR	一	19 (3/4)
29	28. 6 （11/8） xanaaqay hal daraf	2438, 3353, 4877, 6707, 7315, 7925 (8. 11, 16. 22, 24, 26)	24 (15/16 ) SR	31.8+0.127-0.254 (1.250+0.005-0.010)	16 (5/8)
29	28. 6 （11/8） xanaaqay hal daraf	2438, 3353, 4877, 6707, 7315, 7925 (8. 11, 16. 22, 24, 26)	27 (1 1/16 ) SR	38.1+0.127-0.254 (1.500+0.005-0.010)	19 (3/4)
32	31.8 (1 1/4)	3353, 4877, 6707, 7315, 7925, 9144, 10973 (11, 16, 22. 24. 26, 30. 36)	30 (1 3/16 ) PR	一	22 (7/8)
32	31.8 (1 1/4) Usha- xanaaqsan hal daraf	3353, 4877, 6707, 7315, 7925, 9144, 10973 (11, 16, 22. 24. 26, 30. 36)	30 (1 3/16 ) SR	41.3+0.127-0.254 (1.625+0.005-0.010)	22 (7/8)
38	38. 1 (1 1/2)	4877, 6707, 7315, 7925. 9144. 10973 (16, 22. 24, 26, 30. 36)	35 (1 3/8) PR	一	25 (1)
38	38. 1 (1 1/2) Ul- xanaaqsan hal daraf	4877, 6707, 7315, 7925. 9144. 10973 (16, 22. 24, 26, 30. 36)	40 (1 9/16) SR	57.2+0.381-0.381 (2.250+0.015-0.015)	29 (1 1/8)

● Farsamada Hantida Birta La Sifeeyay

GRADE	Xoogga Wax-soosaarka Ugu Yar(0.2% Qallafsanaanta Hadhaaga)		Xoogga ugu Yar		Xoogga ugu badnaan		Ballaarinta 200mm%	Hoos u dhigista aagga Z%	HRC	HB	Nolosha Daalka
	psi	MPa	psi	MPa	psi	MPa	≥13	≥50	/	/	≥1.0X106
C	60000	414	90000	621	115000	793	≥13	≥50	/	/	/
D	85000	586	115000	793	140000	965	≥13	≥50	/	/	/
KD	85000	590	115000	795	140000	965	≥13	≥50	/	/	/
H	115000	795	140000	965	173339	1195	≥13	≥45	/	/	/
EHL	/	/	188500	1300	217500	1500	/	/	≥50	≥320	≥2.5X106
Fiiro gaar ah: Marka xoogga wax-soo-saarka ugu yar aan la qiyaasi karin, waa in loo tixgeliyo in lagu farsameeyo muunad caadi ah oo lagu rakibo extensometer si loo cabbiro.
A Guud ahaan waxay ka samaysan tahay bir kaarboon oo tayo sare leh, taas oo gaadhi karta sifooyinka farsamada ee miiska b A birta molybdenum (laakiin aan ku xaddidnayn nooca birta ah) ayaa guud ahaan la isticmaalaa, iyo daaweynta kulaylka waxtarka leh waxay gaari kartaa sifooyinka farsamada ee miiskan

● Waxyaabaha Kiimikada ah ee Usha Nuugista ee Inta Badan La Isticmaalo

AISI	C	Si	Mn	P	S	Cr	Ni	Mo	V	Cu	Al
4130	0.26-0.33	0.17-0.37	0.4-0.7	≤0.025	≤0.025	0.8-1.1	≤0.3	0.15-0.25	/	≤0.2	/
4140	0.38-0.45	0.17-0.37	0.5-0.8	≤0.025	≤0.025	0.9-1.2	≤0.3	0.15-0.25	0.04-0.09	≤0.2	/
4142	0.38-0.45	0.17-0.37	0.5-0.8	≤0.025	≤0.025	0.9-1.2	≤0.3	0.15-0.25	0.04-0.09	≤0.2	/
4330	0.3-0.35	0.15-0.35	0.8-1.1	≤0.025	≤0.025	0.8-1.1	1.65-2.0	0.2-0.3	0.05-0.10	≤0.2	/
4720	0.19-0.23	0.15-0.35	0.85-1.05	≤0.025	≤0.025	0.8-1.05	0.9-1.2	0.22-0.30	0.02-0.05	0.40-0.60	/