Foam casting a ayera (a wɔsan frɛ no solid casting) yɛ casting kwan foforo a paraffin anaa foam models a ɛte sɛ casting no te sɛ casting no na wɔde ka bom yɛ no model cluster, a wɔde paint a ɛyɛ hyew akata so na wɔayam, afei wɔasie no wɔ quartz anhwea a ɛyɛ kusuu mu na wɔawosow no ama molding{0}} under define pressure, the casting is poured to vapor to vapor to vapor to top Model. akyi a ɛyɛ den na ɛyɛ nwini no, wɔhyehyɛ casting no.
Mfaso a ɛwɔ foam a ɛyera so .
casting no wɔ pɛpɛɛpɛyɛ a ɛkorɔn na ɛyɛ adeyɛ foforo a ɛkame ayɛ sɛ allowance biara nni hɔ na ɛyɛ pɛpɛɛpɛ. Saa adeyɛ yi nhwehwɛ sɛ woyi nsusuwso, enni parting surface, na anhwea core. biara nni hɔ, casting no nni flash, burrs, anaasɛ draft angle, na ɛtew dimensional errors a core combination{2}} de ba no so.
Nneɛma a wɔde gu mu no ani a ɛyɛ mmerɛw no betumi adu RA3.2 kosi 12.5μm. castings no nsusuwii pɛpɛɛpɛyɛ betumi adu CT7 kosi CT9. machining allowance a ɛsen biara no yɛ 1.5 kosi 2mm, a ebetumi atew ka a wɔbɔ wɔ mfiridwuma mu nneɛma a wɔyɛ ho no so kɛse. Sɛ wɔde toto ɔkwan a wɔfa so yi anhwea a wɔde di dwuma wɔ amanne kwan so no ho a, ebetumi atew bere a wɔde yɛ mfiridwuma no so 40% kosi 50%.
Nsusuwii no yɛ nea ɛyɛ mmerɛw, na ɛma ahofadi a ɛdɔɔso ma nhyehyɛe a wɔayɛ wɔ casting. castings a ɛyɛ den yiye no betumi ayɛ denam foam plastic mold sheets a wɔde bɛka abom{1}}
Anhwea titiriw biara nni atetesɛm mu casting mu, enti ɔfasu no mu duru a ɛnteɛ biara rentra casting no mu a ɛnam anhwea a ɛyɛ pɛpɛɛpɛ a ɛnyɛ pɛpɛɛpɛ anaasɛ core placement a ɛnyɛ pɛpɛɛpɛ so te sɛ nea ɛwɔ atetesɛm anhwea a wɔde gu mu.
Nneɛma a ɛho tew a wɔyɛ, nnuru a wɔde kyekyere anhwea a ɛwɔ nsusuwso mu no nni hɔ, plastic a wɔde yɛ foam no nyɛ asiane biara mma nneɛma a atwa yɛn ho ahyia no wɔ ɔhyew a ɛba fam mu, na anhwea a wɔde adi dwuma no a wɔsan nya no boro 95%.
Tew sika a wɔde totɔ nneɛma ne nneɛma a wɔyɛ ho ka so, ma casting blank no mu duru nyɛ hare, na nya machining allowance ketewa.
Foam casting nhyehyɛe a ɛyera .
1. yɛ foam plastic vaporization nkuku (nsakrae, mfiri);
2. Foam plastic no yɛ vaporizes, na nsusuwso no ka bom na afei ɛyow.
3. Bere a wɔde paint a ɛyɛ hyew akata foam plastic gasification mold no ani na wɔde apete so akyi no, wɔsan yow (ɛsɛ sɛ ɛyɛ nwunu koraa){1}}
4. Fa anhwea adaka a wɔayɛ no titiriw no to pon a ɛwosow abiɛsa no so.
5. hyɛ base sand no ma (nwansena a ɛyɛ kusuu), compare no na fa no pɛpɛɛpɛ.
6. Fa foam plastic vaporization mold a ayow no gu anhwea a ɛwɔ ase no so, kyekyɛ mu ma ɛnyɛ anhwea a wɔde hyɛ mu sɛnea nhyehyɛe no mu ahwehwɛde ahorow te, ɛwosow no ankasa bere pɔtee bi, na afei fa adaka no bue.
7. Fa plastic film kata anhwea adaka no bue so, fa kuruwa a ɛregu no gu so, na fa bata nhyɛso nhyehyɛe a enye no ho. bere a wɔabɔ no akyi no, wɔtow dade a ayɛ kusuu no. foam plastic vaporization mold no yera na dade a ayɛ hyew no fa n’ananmu.
8. Bere a casting no ayɛ den awie no, gyae vacuum no na dane adaka no kɔ. so yi casting no na kɔ so kɔ cycle a edi hɔ no so.
Anhwea a wɔde yɛ aduru no sen .
Adaka a ɛredannan afiri no dannan anhwea adaka no, anhwea ne castings gu → anhwea no hyɛn anhwea no mu hopper hopper (wɔde castings no kɔ akyirikyiri denam krane ne cross-span flat car no so) → anhwea quantitative gate valve → no → no wosow de fa kwan so-afã →nfon a wɔde nsu gu mu no so no ho a wɔde nsu gu mu Cooler → No. 2 plate chain chain elevator (anhwea a ɛyɛ hyew a wɔma so) → The through magnetic separator → No. 1 Transition Sand Silo → The Sand Quantitative Gate Valve → No{ 6}} Plate Chain Chain Elevator a wɔma so no so a wɔma so → val temperature → load → → → → → → → ~ Dabi. 4 bokiti a wɔde foro nsu (abɔso a ɛko tia ɔhyew) → No. 2 Anhwea hyew a wɔde yɛ adwuma (akuw 9) → Anhwea Quantitative Gate Valve → No{13}} bokiti a wɔde ma so → No. 1 belt conveyor →15} undeer 15} type conveyer 15} type Dabi. 3 anhwea silo a wɔaka abom.
Wɔde nsakraeɛ anhwea silo no si No. 1 anhwea hyeɛ so regulator. no anim wɔ anhwea a ɛregu no mu no, beaeɛ a ɛfiri anhwea a ɛtɔ gu fam kɔ nsakraeɛ anhwea silo no abue na ama ayɛ mmerɛ sɛ nnwinnadeɛ no nyinaa bɛyɛ adwuma yie.
