Grey Cast Iron Investment Casting

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Inkcazelo emfutshane:

Intsimbi yentsimbi: Intsimbi yentsimbi engwevu
Inkqubo yokuSasa: Ukutyalwa koTyalo-mali
Ubunzima beyunithi yokuCasa: 8.60 kg
Isicelo: oomatshini boLimo
Unyango loMphezulu: Ukudutyulwa kokudubula
Unyango loBushushu: Ukufakwa kwe-Anealing + Normalization

Utyalo-mali lwentsimbi engwevu lutyhilo oluchanekileyo oluveliswa yinkqubo yokuphosa iwax eyenziwe ngentsimbi engwevu. Kwi-RMC Foundry, sinokubonelela ngeenkonzo zobuchwephesha ezenziwe ngokwesiko kunye ne-CNC ngokwemizobo yakho, ukusetyenziswa kunye neemfuno.

Thumela i-imeyile kuthi

Iinkcukacha zeMveliso

Iithegi zeMveliso

Iintsimbi zentsimbi ezingwevu zihlala ziveliswa yinkqubo yokuphosa isanti, nangona kunjalo, kwezinye izinto ezifuna ukuchaneka okuchanekileyo kunye nesakhiwo esintsonkothileyo,inkqubo yokuphosa utyalo-malikwakhona lukhetho olulungileyo.

Xa siphosa intsimbi engwevu, silandela ngokungqongqo ukubunjwa kweekhemikhali kunye neempawu zoomatshini ngokweestardards okanye iimfuno ezivela kubathengi. Ngaphandle koko, sinamandla kunye nezixhobo zokuvavanya ukuba ngaba kukho iziphene zokuphosa ngaphakathi kwesanti yentsimbi engwevu.

Nangona iintsimbi eziphothiweyo zinokuba nepesenti yekhabhoni phakathi kwe-2 ukuya kwi-6.67, umda osebenzayo uqhelekile phakathi kwe-2 kunye ne-4%. Ezi zibalulekile ikakhulu ngenxa yeempawu zabo ezibalaseleyo zokusa. I-iron engwevu inexabiso eliphantsi kune-iron ductile, kodwa inamandla asezantsi kakhulu okuqina kunye ne-ductility kune-ductile iron. Intsimbi engwevu ayinakuthatha indawo yentsimbi yekhabhoni, ngelixa intsimbi yentsimbi inokuthi ithathe indawo yentsimbi yekhabhoni kwimeko ethile ngenxa yokuqina okuphezulu, amandla esivuno kunye nokwandiswa kwesinyithi.

Utyalo-mali (i-wax elahlekileyo) yokuphosa yindlela echanekileyo yokuphosa izinto ezintsonkothileyo ezikufutshane ne-net-shape iinkcukacha usebenzisa ukuphindwaphindwa kweepateni zewax. Ukuphosa utyalo-mali okanye i-wax elahlekileyo yinkqubo yokuphosa isinyithi esebenzisa ipateni ye-wax ejikelezwe yiqokobhe le-ceramic ukwenza i-ceramic mold. Xa iqokobhe loma, iwax iyanyibilika, kushiyeke ukungunda kuphela. Emva koko icandelo lokuphosa lenziwa ngokuthulula isinyithi esityhidiweyo kwi-mold ceramic.

Inkqubo yokuphosa i-Silica sol yeyona nto ingundoqo yotyalo-mali lwenkqubo yotyalo-mali lwe-RMC. Besiphuhlisa itekhnoloji entsha yezinto ezincamathelayo ukuze sifezekise ukonga ngakumbi kunye nemathiriyeli encamathelayo esebenzayo ukwakha iqokobhe le-slurry. Yindlela eyothusayo into yokuba inkqubo ye-Silica sol casting ithathe indawo yenkqubo yeglasi yamanzi erhabaxa engaphantsi, ngakumbi yokuphosa intsimbi engatyiwayo kunye nentsimbi yealloyi. Ngaphandle kwemathiriyeli yokubumba ehlaziyiweyo, inkqubo ye-silica sol casting nayo iye yahlaziywa yazinza kakhulu kwaye yanda ubushushu obuncinci.

Into ngokwe-DIN EN 1561	Umlinganiselo	Iyunithi	EN-GJL-150	EN-GJL-200	EN-GJL-250	EN-GJL-300	EN-GJL-350
Into ngokwe-DIN EN 1561	Umlinganiselo	Iyunithi	EN-JL 1020	EN-JL 1030	EN-JL 1040	EN-JL 1050	EN-JL 1060
Tensile strength	Rm	IMPA	150-250	200-300	250-350	300-400	350-450
0.1% Amandla eSivuno	Rp0,1	IMPA	98-165	130-195	165-228	195-260	228-285
Amandla okwandisa	A	%	0,3 – 0,8	0,3 – 0,8	0,3 – 0,8	0,3 – 0,8	0,3 – 0,8
Amandla acinezelayo	σdB	MPa	600	720	840	960	1080
0,1% Amandla oxinzelelo	σd0,1	MPa	195	260	325	390	455
Amandla e-Flexural	σbB	MPa	250	290	340	390	490
Schuifspanning	σaB	MPa	170	230	290	345	400
Phungula ucinzelelo	TtB	MPa	170	230	290	345	400
Iimodyuli zokunwebeka	E	GPA	78 – 103	88 – 113	103 – 118	108 – 137	123 – 143
Inombolo yePoisson	v	-	0,26	0,26	0,26	0,26	0,26
Ukuqina kweBrinell		HB	160-190	180 – 220	190 – 230	200 - 240	210 – 250
I-Ductility	σbW	MPa	70	90	120	140	145
Uxinzelelo kunye nokutshintsha koxinzelelo	σzdW	MPa	40	50	60	75	85
Ukuqhawula Amandla	Klc	N/mm3/2	320	400	480	560	650
Ukuxinana		g/cm3	7,10	7,15	7,20	7,25	7,30