Kasar Hard7 Dx7991 Hex Hex Scack Strup Carbon Karfe Zinc Hotuna 8.8 10.9 masana'antu da masu kaya

Dx991 Scack Sket Countersunk Scream Carbon Karfe Zinciki aji 8.8 10.9 Featured Hoto

Dx9991 Hex Scetet Tatetersunk Scame Carbon Karfe Zince Mara 8.8 10.9

A takaice bayanin:

Standard: Din7991

Sunan Samfurin: Soket mai laushi

Kalmomi masu mahimmanci: Din7991, Soket mai lebur mai lebur

Girma: M3-M42

Abu: 10b21, 35cmo, 40cr

STENGH aji: 8.8, 10.9

Jiyya na farfajiya: Farin Zinc De

LATSA: Cikakken zaren / Rabin Rabin

Jaka: Jaka / katifa / Case na katako

Wasu fasali: Bayar da Alamar Kan Markus

Aika imel zuwa gare mu

Cikakken Bayani

Tags samfurin

Siffantarwa

Da sauriAmsa

Da sauriAmbato

Da sauriCeto

Shirya zuwa isar da jirgin ruwa

10000+ SCU a shago

Mun aikata abubuwa na RTS:

70% Abubuwan da aka kawo tsakanin kwanaki 5

80% Abubuwan da aka kawo tsakanin kwanaki 7

90% Abubuwan da aka kawotsakanin kwanaki 10

Umarni na yawa, da fatan za a tuntuɓi sabis na abokin ciniki

d		M3	M4	M5	M6	M8	M10	M12	(M14)	M16	(M18)	M20	(M22)	M24
d
P	Fili	0.5	0.7	0.8	1	1.25	1.5	1.75	2	2	2.5	2.5	2.5	3
α	tol. (+ 2)	90 °	90 °	90 °	90 °	90 °	90 °	90 °	90 °	90 °	90 °	90 °	60 °	60 °
b	LE125mm	12	14	16	18	22	26	30	34	38	42	46	50	54
	125 <l ≤ 200	/	/	/	24	28	32	36	40	44	48	52	56	60
	L> 200	/	/	/	/	/	45	49	53	57	61	65	69	73
dk	Max = maras muhimmanci	6	8	10	12	16	20	24	27	30	33	36	36	39
dk	Min	5.7	7.64	9.64	11.57	15.57	19.48	23.48	26.48	29.48	32.38	35.38	35.38	38.38
ds	Max = maras muhimmanci	3	4	5	6	8	10	12	14	16	18	20	22	24
ds	Min	2.86	3.82	4.82	5.82	7.78	9.78	11.73	13.73	15.73	17.73	19.67	21.67	23.67
e	Min	2.3	2.87	3.44	4.58	5.72	6.86	9.15	11.43	11.43	13.72	13.72	16	16
k	Max	1.7	2.3	2.8	3.3	4.4	5.5	6.5	7	7.5	8	8.5	13.1	14
s	Maras muhimmanci	2	2.5	3	4	5	6	8	10	10	12	12	14	14
	Min	2.02	2.52	3.02	4.02	5.02	6.02	8.025	10.025	10.025	12.032	12.032	14.032	14.032
	Max	2.1	2.6	3.1	4.12	5.14	6.14	8.175	10.175	10.175	12.212	12.212	14.212	14.212
t	Max = maras muhimmanci	1.2	1.8	2.3	2.5	3.5	4.4	4.6	4.8	5.3	5.5	5.9	8.8	10.3
t	Min	0.95	1.55	2.05	2.25	3.2	4.1	4.3	4.5	5	5.2	5.6	8.44	9.87

Bayanin cikakken bayani

Babban ƙarfi da sauri zasu haifar da crusheness lokacin da aka yi galun. Bukatar kulawa ta musamman.

Yawancin hydrogen Etctritletalment yawanci ana nuna shi ta hanyar lalata rauni a karkashin damuwa. Akwai maɓuɓɓugan motoci, washers, sukurori, maɓuɓɓugan itace da sauran sassan da aka galvanized, a cikin 'yan sa'o'i bayan an karye, karancin awanni bayan kashi 40% ~ 50%. A kan aiwatar da amfani da sassan cadmium - platch cratack crack, an tabbatar da matsalar mabuɗin ƙasa da tsayayyen tsari. Bugu da kari, akwai wasu ƙwayoyin cuta hydrogen baya nuna jinkirta karfin karaya, kamar: eleghtration parting, sau da yawa yana bayyana a cikin amfani da zai na faruwa da fashewar fata; Manutar wani ɗan bindiga, bayan sau da yawa na chroming, ya faɗi ƙasa ya fashe; Wasu sassa masu quenches (babban damuwa na ciki) zai fashe lokacin da aka dafa shi. Waɗannan sassan suna da hydrogenated da crack ba tare da damuwa ba tare da damuwa ba, wanda ba za a iya amfani da shi don dawo da asalin ta hanyar desdrogenation.

A mafi girman ƙarfin kayan, mafi girma da hydrogen hukumar hydritetevity. Wannan ainihin ra'ayi ne wanda dole ne a bayyana shi ta hanyar masu fasaha masu jurewa yayin da aka tattara bayanan bayanan electroplating. Macizai tare da karfin tenesile σB> Yakamata yakamata a sanya ka'idodin kasa da kasa da kuma sanya jingina na poltring. Masana'antar jirgin sama ta Faransa na bukatar jiyya na dilydrogenation mai dacewa don sassan karfe tare da ƙarfin haɓaka ess> 90kg / mm2.

Saboda kyakkyawan rubutu tsakanin ƙarfe ƙarfi da ƙarfi, ya fi warkewa kuma ya dace don yin hukunci da ƙwarewar hydrogen da ƙarfi da ƙarfi. Domin cikakkiyar zane mai zane da tsarin sarrafawa ya kamata a yiwa alama da taurin ƙarfe. A cikin zaɓaɓɓun, mun sami wahalar ƙarfe a kusa da HRC38 ya fara nuna haɗarin ƙwayar ƙwayar ƙwayar cuta ta hydrogen. Don sassa sama da hrc43, ya kamata a yi la'akari da dhydrogenation a bayan tura. Lokacin da taurin kai game da hRC60, dole ne a nemo maganin dulydrogenation nan da nan bayan jiyya, in ba haka ba sassan karfe za su fasa cikin 'yan awanni.