1. Die Casting Mfiri Injection Tumi
Eyi kyerɛ tumi a wɔde twitwiw nipadua no mu ansa na wɔahyɛ no den. Adwumayɛ parameters a manufacturers de ma no taa yɛ injection tumi akyi pressurization. Sɛnea yɛn nyinaa nim no, ahoɔden a ɛnnɔɔso a wɔde hyɛ mu ansa na wɔahyɛ no den no ntumi nni dade a wɔabɔ no a ɛko tia akisikuru no so nkonim koraa bere a ɛfa ingate (mfinimfini pon) no mu, na ɛka sɛnea wɔde casting no nwene no kɛse na entumi nhwɛ sɛ casting no mu su te. Enti, ansa na wobɛtɔ afiri a wɔde gu mu a, ɛsɛ sɛ wubisa tumi a wɔde twitwiw nipadua no mu ho asɛm ansa na woahyɛ nhyɛso anaasɛ woma injection cylinder no ntwemu mu da hɔ sɛnea ɛbɛyɛ a wubetumi abu akontaa sɛ ebia ahoɔden a wɔde hyɛ mu no dɔɔso anaa.
2. Die Casting Machine Pressurization Mfiase ne Awiei Bere
Eyi kyerɛ bere a efi bere a wɔde nhyɛso ahyɛde no mae kosi bere a wofi nhyɛso ase, kyerɛ sɛ, bere a efi bere a wogyaee injection needle no kankan (dry injection) kosi bere a wofi pressurization ase. Ɛsɛ sɛ bere a ɛda ntam yi nnu sikani 0.02, dodow a esua no, dodow no ara na eye. Sɛ bere no kyɛ dodo a, dade a ayɛ hyew a ɛwɔ ingate (mfinimfini pon) no mu no ayɛ den dedaw, na nhyɛso no bedi nkogu.
3. Die Casting Machine Nhyɛso Build-up Bere
Eyi kyerɛ bere a ɛho hia fi nhyɛso a wɔkyekyere-fi ase kosi sɛ ebedu nhyɛso bo a wɔhwehwɛ no ho (nhyɛso a wɔayi nhyɛso a ɛsakrasakra no fi hɔ na wɔadu nhyɛso a ɛho hia a ɛkɔ so daa no ho ne nhyɛso a ɛkyekyere-kɔ soro). Ɛsɛ sɛ saa bere yi nnu sikani 0.02. Sɛ ɛnte saa a, casting no rennya nhyɛso a ɛdɔɔso wɔ bere a ɛto so abien a wɔde hyɛ mu ma (dade a ayow a wɔde gu die no mu wɔ nhyɛso kɛse ne ahoɔhare a ɛba fam mu, a wɔsan frɛ no nhyɛso). Nhyɛsoɔ no bɛduru 90% pɛ wɔ solidification akyi, a akyinnyeɛ biara nni ho sɛ ɛbɛtew nhyɛsoɔ a ɛkyekyere-up no mmɔdenbɔ so, anaasɛ mpo ɛbɛyi afiri hɔ koraa. Mpɛn pii no, nhyɛsoɔ mfitiaseɛ ne berɛ a ɛtwa toɔ ne nhyɛsoɔ a ɛkyekyere-bere no nyinaa yɛ nhyɛsoɔ a ɛkyekyere-bere, a ɛsɛ sɛ ennu sikani 0.04. Saa parameter yi ho hia titiriw ma castings a ɛwɔ inlet gates a ɛyɛ tratraa (internal sprues) ne nea ɛhia ahoɔden a ɛkorɔn ne adesoa-soa tumi.
4. Shock Wave Value (AP) Bere a Nhyɛso wɔ Die Casting Mfiri mu
Sɛ injection needle no gyae mpofirim wɔ pressurization akyi a, injection piston a ɛkɔ ahoɔhare kɛse, pressurizing piston, ne gear oil no ma shock wave peaks ne troughs a ɛsesa wɔ dade a wɔabɔ no so. Eyi ma ahurututu a ɛwɔ dade a wɔabɔ no mu no trɛw na ɛtwetwe. Nsɔhwɛ ne nhwehwɛmu a kan Ministry of Aeronautics and Astronautics’ experimental kuw no yɛe no daa no adi sɛ saa shock wave peaks ne troughs a ɛsesa yi ma micro-mpaapaemu ba wɔ baabi a ɛbɛn mframa a ɛwɔ casting no mu bere a ayɛ nwini akyi. Ɛnyɛ den sɛ saa mpaapaemu yi bɛyɛ ɔbrɛ fibea wɔ nneɛma a ɛsoa adesoa-mu. Dodow a shock wave no yɛ kɛse no, dodow no ara na saa micro-mpaapaemu yi dɔɔso na ɛware, na dodow no ara na nkɛntɛnso a ɛwɔ casting no honam fam nneɛma so no yɛ kɛse. Enti, mpɛn pii no, ɛsɛ sɛ ΔP ba fam sen 5%.
5. Nsakrae a ɛba wɔ Injection Rate ne Pressure mu wɔ Die Casting Machines mu ho nkate
Injection rate no wɔ afã abien: injection rate a ɛyɛ brɛoo na ɛno akyi injection rate ntɛmntɛm. Sɛnea ɛbɛyɛ a mfiri ahoɔden a ɛdɔɔso bɛba bere a wɔrehyɛ dade a wɔabɔ no ma, na ama atumi adu na ahyɛ mmeae a emu dɔ, akyirikyiri, na ɛyɛ den-fasu a ɛwɔ die cavity no mu ma no, ɛsɛ sɛ dade a wɔabɔ no hyɛ mu ma ntɛmntɛm bere a adu ingate (mfinimfini pon) no mu pɛ. Ɔkwan foforo so no, ɛsɛ sɛ afiri a wɔde gu die casting no ma ɛyɛ ntɛmntɛm injection rate ntɛm ara.
