Hangata li-castings tse entsoeng ka tšepe tse ka tšeptjoang li entsoe kaho lahla lehlabathe le letalakapa lehlabathe le koahetsoeng ka resinho lahla hlobolits'ebetso ho setsi sa ho lahla sa RMC.
Lisebelisoa tsa tšepe ke li-alloys tsa ferrous tse nang le lik'habone tse fetang 2%. Le hoja litšepe tse entsoeng ka tšepe li ka ba le peresente ea carbon pakeng tsa 2 le 6.67, moeli o sebetsang hangata o pakeng tsa 2 le 4%. Tsena ke tsa bohlokoa haholo-holo ka lebaka la litšoaneleho tsa tsona tse babatsehang tsa ho lahlela. Litšepe tse bohlooho, li-ductile cast iron (tseo hape li bitsoang nodular cast iron kapa spheroidal graphite iron) le tšepe ea tšepe e ka tšeptjoang ke tse tharo tse ka sehloohong tse entsoeng ka tšepe.
Tšepe ea tšepe e bonolo e na le khabone e sa lefelloeng e teng ka mokhoa oa maqhutsu ka har'a matrix a cementite le ferrite. Sena se finyelloa ka ho qala ka ho hatsetsa ho lahlela e le hore tšepe eohle e tšoeu e entsoeng ka tšepe e thehoe, e lateloe ke ts'ebetso e laoloang ea phekolo ea mocheso e le hore samente e 'ngoe e fetohe ferrite le maqhutsu a carbon ea mahala. Sesebediswa sena se na le ductile ho feta grey cast iron. Senaforomo e loketse feela bakeng sa likarolo tse nang le botenya ba karolo e nyane haholo kaha tšepe eohle e tšoeu ke ho theha sebaka sa ho qala bakeng sa tšepe e bonolo.
Shell hlobo casting ke ts'ebetso eo lehlabathe le kopantsoeng le resin ea thermosetting le lumelloang ho kopana le poleiti e futhumetseng ea tšepe ea tšepe, e le hore ho thehoe khetla e tšesaane le e matla ea hlobo ho potoloha pattem. Ebe khetla e tlosoa ho tloha pateroneng 'me cope le ho hula li tlosoa hammoho' me li bolokoe ka botlolong e nang le lisebelisoa tse hlokahalang tsa ho boloka 'me tšepe e qhibilihisitsoeng e tšeloa ka har'a hlobo.
Ka kakaretso, lehlabathe le omeletseng le le letle (90 ho 140 GFN) le se nang letsopa ka ho feletseng le sebelisetsoa ho lokisa lehlabathe la ho bopa khetla. Boholo ba lijo-thollo bo lokelang ho khethoa bo itšetlehile ka sephetho se ka holimo se lakatsehang ho lahla. Boholo ba lijo-thollo bo botle haholo bo hloka resin e ngata, e etsang hore hlobo e be theko e boima.
Melemo ea Resin Coated Sand Shell Mold Casting:
1. Likarolo tse entsoeng ka hlobo ea likhetla ka kakaretso li nepahetse ho feta tsa lehlabathe. Hoa khoneha ho fumana mamello ea + 0,25 mm bakeng sa li-castings tsa tšepe le +0. 35 mm bakeng sa li-castings tsa tšepe tse bohlooho tlas'a maemo a tloaelehileng a ho sebetsa. Tabeng ea hlobo ea likhetla tse mamelloang haufi, motho a ka e fumana ho tloha ho +0.03 ho ea ho +0.13 mm bakeng sa lits'ebetso tse ikhethileng.
2. Sebaka se boreleli se ka fumanoa ka likhetla tsa likhetla. Sena se finyelloa haholo-holo ka lijo-thollo tsa boholo bo botle bo sebelisoang. Mofuta o tloaelehileng oa ho khopama ke oa tatellano ea li-microns tse 3 ho isa ho tse 6.
3. Li-angles tsa moralo, tse tlase ho feta li-castings tsa lehlabathe, li hlokoa ka har'a hlobo ea likhetla. Phokotso ea li-angles tsa moralo e kanna ea ba ho tloha ho 50 ho isa ho 75%, e leng ho bolokang litšenyehelo tsa thepa le litšenyehelo tse latelang tsa mochini.
4. Ka linako tse ling, li-cores tse khethehileng li ka tlosoa ha ho etsoa likhetla. Kaha lehlabathe le na le matla a mangata hlobo e ka etsoa ka tsela eo likoti tse ka hare li ka etsoang ka ho toba ka tlhokahalo ea li-cores tsa khetla.
5. Hape, likarolo tse tšesaane haholo (ho fihlela ho 0.25 mm) tsa mofuta oa lihlooho tsa li-cylinder tse nang le moea o pholileng li ka etsoa habonolo ke ho bōptjoa ha khetla ka lebaka la matla a phahameng a lehlabathe le sebelisetsoang ho bōpa.
6. Permeability ea khetla e phahame 'me kahoo ha ho na khase e kenyelletsoeng.
7. Ho hlokahala hore ho sebelisoe lehlabathe le lenyenyane haholo.
8. Mechine e khoneha habonolo ka lebaka la ts'ebetso e bonolo e amehang ho bopeng likhetla.
| Resin Coated Lehlabathe Lahlela Metal le Alloys | |
| Metal & Alloys | Sehlopha se Tsebahalang |
| Grey Cast Iron | GG10~GG40; GJL-100 ~ GJL-350; |
| Tšepe ea ho Rala ea Ductile (Nodular). | GGG40 ~ GGG80; GJS-400-18, GJS-40-15, GJS-450-10, GJS-500-7, GJS-600-3, GJS-700-2, GJS-800-2 |
| Austempered Ductile Iron (ADI) | EN-GJS-800-8, EN-GJS-1000-5, EN-GJS-1200-2 |
| Tšepe ea Carbon | C20, C25, C30, C45 |
| Alloy Steel | 20Mn, 45Mn, ZG20Cr, 40Cr, 20Mn5, 16CrMo4, 42CrMo, 40CrV, 20CrNiMo, GCr15, 9Mn2V |
| Ts'epe e sa beng le mabali | Ferritic Stainless Steel, Martensitic Stainless Steel, Austenitic Stainless Steel, Pula e thatafatsa Stainless Steel, Duplex Stainless Steel |
| Lisebelisoa tsa Aluminium | ASTM A356, ASTM A413, ASTM A360 |
| Lisebelisoa tsa koporo / Copper-based Alloys | C21000, C23000, C27000, C34500, C37710, C86500, C87600, C87400, C87800, C52100, C51100 |
| Standard: ASTM, SAE, AISI, GOST, DIN, EN, ISO, le GB | |
| CNC Precision Machining bokhoni | ||||
| Lisebelisoa | Bongata | Boholo Range | Bokhoni ba Selemo | Ho Nepaha Ka Kakaretso |
| Vertical Machining Center (VMC) | 48 lihlopha | 1500mm × 1000mm × 800mm | Lithane tse 6000 kapa likotoana tse 300000 | ±0.005 |
| Horizontal Machining Center (VMC) | 12 lihlopha | 1200mm × 800mm × 600mm | Lithane tse 2000 kapa likotoana tse 100000 | ±0.005 |
| Mochini oa CNC | 60 lihlopha | Max o fetola dia. φ600mm | Lithane tse 5000 kapa likotoana tse 600000 | |
-
Mokhoa o Tloaelehileng oa ho Lahlela Lehlabathe la Tšepe
-
Custom Grey Casting ea tšepe ea lehlabathe
-
Likarolo tsa Machining tsa Ductile Cast CNC
-
Likarolo tsa ho Lahlela tsa Lehlabathe la Ductile Cast
-
Lisebelisoa tsa lehlabathe la ductile Cast
-
Grey Cast Iron Investment Casting
-
Sehlahisoa sa Grey Cast Iron Sand
