Iibholithi zoKwakha zeHex ezinzima (ASTM F3125 F3125M)

Ngomsebenzi wolwakhiwo othembekileyo kwiiprojekthi zokwakha ezibango, thembela kwiibholithi zesakhiwo esinzima esidibana nemigangatho ye-ASTM F3125 kunye neF3125M. Ngokwakhiwa kwentsimbi ephezulu, ukukhuselwa kwe-corrosion, kunye nokuchaneka kwe-dimensional, ezi bholithi ziqinisekisa ukudibanisa okukhuselekileyo kunye nokuthembekileyo kwiindibano zensimbi zesakhiwo.

Umzekelo:ASME B 18.2.6

Thumela uMbuzo

Ingcaciso yeMveliso

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Ukuthembeka koLwakhiwo:Iibholiti zesakhiwo esinzima esineheksi ezihambelana nemigangatho ye-ASTM F3125 kunye neF3125M zenziwe ngobunjineli ukubonelela ukusebenza okuthembekileyo kwizicelo zokwakha ezibango. Ezi bhotshi zenzelwe ukujamelana nemithwalo ephezulu kunye nokuqinisekisa ukuzinza kunye nokunyaniseka kokudibanisa okubalulekileyo kwiindibano zensimbi zesakhiwo.

Amandla ezinto eziphathekayo:Eyilwe ukusuka kwi-alloys yensimbi ephezulu, ezi bholithi zibonelela ngeempawu ezikhethekileyo zokuqina kunye namandla okucheba, zizenze zilungele ukusetyenziswa kwizicelo zentsimbi eziphantsi kwemithwalo enzima kunye namandla aguqukayo. Ulwakhiwo lwabo olomeleleyo luphakamisa ukuqina kunye nokuthembeka kweendibano zolwakhiwo.

Ukhuseleko lokuMhlwa:Iibholiti ezinzima zehex zolwakhiwo ziyafumaneka zineengubo ezikwaziyo ukumelana nomhlwa kunye nezixhobo zokumelana neemeko ezirhabaxa zokusingqongileyo, kubandakanya nokuvezwa kukufuma, iikhemikhali, kunye nezinto zangaphandle. Oku kuqinisekisa ukusebenza kwexesha elide kunye nokunciphisa umngcipheko wemiba enxulumene nokubola kwizicelo zesakhiwo.

Ukuchaneka koMda:Iibholiti ze-ASTM F3125 kunye ne-F3125M zijongwa ngokungqongqo kwi-dimensional ukuqinisekisa ukunyamezelana okuchanekileyo kunye nokuhambelana nezinto zentsimbi. Oku kuchaneka komda kuququzelela ukulungelelaniswa okufanelekileyo kunye nokulungelelaniswa ngexesha lokuhlanganisana, igalelo kumgangatho opheleleyo kunye nokuthembeka kwesakhiwo.

Uvavanyo kunye neSiqinisekiso:Ezi bholithi zifumana iinkqubo zovavanyo olungqongqo zokuqinisekisa iipropathi zazo zoomatshini, ukwakheka kweekhemikhali, kunye nokuthotyelwa kwe-ASTM F3125 kunye ne-F3125M. Isatifikethi siqinisekisa ukuba iibholithi zihlangabezana nemigangatho yoshishino kunye neemfuno zokusebenza kwizicelo zesakhiwo.

Izikhokelo zokuFakela:Ubuchule bofakelo obufanelekileyo, kubandakanywa iinkqubo ezichanekileyo zokuqinisa kunye nokwenza ngathi ibholithi, zibalulekile ekwandiseni ukusebenza kweebholiti ezinzima zesakhiwo seheksi. Ukulandela iingcebiso zomenzi kunye nezenzo ezilungileyo kakhulu zeshishini ziqinisekisa unxibelelwano olukhuselekileyo noluthembekileyo kwiindibano zentsimbi zesakhiwo.

Uthethwano neNkxaso:Ukubonisana neenjineli zolwakhiwo kunye neengcaphephe zoqinisekiso kuyacetyiswa xa kukhethwa iibholithi zesakhiwo esinzima seeheksi kwiiprojekthi zokwakha. Banokubonelela ngengqiqo ebalulekileyo kunye noncedo ekukhetheni uhlobo olufanelekileyo lwebholithi, ubungakanani, kunye nebakala lokuhlangabezana neemfuno ezithile zeprojekthi kunye nokuqinisekisa ukuthembeka kwesakhiwo.

Usetyenziso Olubalulekileyo:Iibholiti zolwakhiwo olunzima lwehex zizinto ezibalulekileyo kwizicelo ezahlukeneyo zentsimbi, kubandakanya izakhiwo, iibhulorho, iinqaba kunye neeprojekthi zeziseko zophuhliso. Ukusebenza kwabo okuthembekileyo kunye nokuthobela imigangatho yoshishino kunegalelo kukhuseleko, uzinzo, kunye nokomelela kwezakhiwo ezibalulekileyo.

Ubungakanani bomsonto

1/2

5/8

3/4

7/8

1-1/8

1-1/4

1-3/8

1-1/2

PP	UNC
	UNF
	A F
d_s	max
d_s	imiz
s	Ubungakanani bobizo
	max
	imiz
e	max
e	imiz
k	Ubungakanani bobizo
	max
	imiz
b	Ref.
r	max
r	imiz

13	11	10	9	8	7	7	6	6
20	18	16	14	12	12	12	12	12
28	24	20	20	20	18	18	18	18
0.515	0.642	0.768	0.895	1.022	1.149	1.277	1.404	1.531
0.482	0.605	0.729	0.852	0.976	1.098	1.223	1.345	1.47
7/8	1-1/16	1-1/4	1-7/16	1-5/8	1-13/16	2	2-3/16	2-3/8
0.875	1.062	1.25	1.438	1.625	1.812	2	2.188	2.375
0.85	1.031	1.212	1.394	1.575	1.756	1.938	2.119	2.3
1.01	1.227	1.443	1.66	1.876	2.093	2.309	2.526	2.742
0.969	1.175	1.383	1.589	1.796	2.002	2.209	2.416	2.622
5/16	25/64	15/32	35/64	39/64	11/16	25/32	27/32	15/16
0.323	0.403	0.483	0.563	0.627	0.718	0.813	0.878	0.974
0.302	0.378	0.455	0.531	0.591	0.658	0.749	0.81	0.902
1	1.25	1.38	1.5	1.75	2	2	2.25	2.25
0.031	0.062	0.062	0.062	0.093	0.093	0.093	0.093	0.093
0.009	0.021	0.021	0.021	0.062	0.062	0.062	0.062	0.062