Sɛ́ ade titiriw a ɛwɔ nsu a wɔde di dwuma nhyehyɛe ahorow mu no, sɛnea hydraulic solenoid valve ahorow no yɛ adwuma no nya ahotoso ne sɛnea mfiri no yɛ adwuma yiye no so nkɛntɛnso tẽẽ. Ɔkwan a wɔfa so yɛ nkuku no yɛ ade titiriw a ɛkyerɛ solenoid valve no su, a ɛfa nneɛma a wɔpaw, adansi nhyehyɛe, ne mfiridwuma a wɔde yɛ nneɛma a wɔde di dwuma yiye ho. Saa asɛm yi bɛkyerɛkyerɛ nsɛntitiriw a ɛwɔ hydraulic solenoid valve molding nhyehyɛe no mu wɔ nhyehyɛe kwan so afi nsusuwii ahorow a ɛfa nkuku nhyehyɛe, nneɛma a wɔde yɛ, ne post-processing ho.
I. Nkuku Ho Nsusuwii ne Nneɛma a Wɔyɛ
Wɔtaa de precision injection molding anaa die-casting na ɛyɛ hydraulic solenoid valves. Sɛnea nkuku no yɛ pɛpɛɛpɛ no nya sɛnea valve no nipadua no nsusuwii gyina pintinn no so nkɛntɛnso tẽẽ. Nkukuo nhyehyɛɛ twe adwene si nsuo a ɛsene kwan no kari pɛ ne onwini nhyehyɛeɛ nhyehyɛɛ so: ɛsɛ sɛ ɔkwan titire no ntwemu ne plastic nsuo a ɛsen no hyia, na ɛsɛ sɛ nkorabata akwan no nya kurukuruwa cross-fã na ama nhyɛsoɔ a ɛyera no ayɛ ketewa. Ɛsɛ sɛ wɔkyekyɛ nsuo a ɛma onwini no mu pɛpɛɛpɛ twa nkukuo no ho hyia, hwɛ hu sɛ nsonsonoeɛ a ɛwɔ ɔhyew mu wɔ ±2 digrii mu na amma valve core no ankɔfata ɛnam shrinkage a ɛnnyɛ pɛpɛɛpɛ nti. Wɔ dadeɛ valve nipadua a ɛyɛ adwuma wɔ nhyɛsoɔ kɛseɛ-nhyɛsoɔ tebea mu no, ɛsɛ sɛ wɔde H13 a ɛyɛ hyeɛ-adwuma die dadeɛ na ɛyɛ die-casting moulds na wɔde nitrided yɛ na ama ne soro denden akɔ soro ( Kɛsene anaa ɛne HV900 yɛ pɛ) na ama wɔatumi agyina adesoa a ɛbɔ mpɛn pii ano.
II. Nneɛma a Wɔde Yɛ Nneɛma
1. Plastic Valve Nipadua Nsusuwii
Wɔtaa paw mfiridwuma mu plastic te sɛ PA66+GF30 (a 30% glass fiber wom) esiane ne ngo a ɛko tia ne ahoɔden nti. Injection molding parameters hwehwɛ sɛ wɔhwɛ so denneennen: barrel temperature set at 260-280℃, injection nhyɛso 80-120 MPa, ne bere a wɔde kura mu a wɔayɛ nsakrae sɛnea ɔfasu no kɛse te (mpɛn pii no 1-3 seconds/mm). Sɛnea ɛbɛyɛ na wɔayi nhyɛso a ɛwɔ mu no afi hɔ no, ɛho hia sɛ wɔde annealing wɔ digrii 80 mu bere a wɔatutu no awie no, na ɛno akyi no, wɔde nnɔnhwerew 2 kura mu na ama nsusuwii ahorow no agyina pintinn.
2. Dade Valve Nipadua Nsusuwii
Wɔ -nhyɛso a ɛkorɔn dwumadie mu no, wɔtaa de aluminium aduru (te sɛ ADC12) anaa kɔbere die-casting di dwuma. Die-casting nhyehyɛe parameters ne: alloy ɔhyew 650-700 digrii , nkuku ɔhyew 180-220 digrii , ne boost nhyɛso 50-80 MPa. Nsɔano a ɛho hia no fa CNC wie a edi hɔ mu de hwɛ hu sɛ ɛyɛ tratraa Ennu anaasɛ ɛne 0.01 mm yɛ pɛ. Wɔde vacuum impregnation di dwuma de hyɛ microporous sintɔ ahorow ma, na ɛma nhyɛso dodow no kɔ soro kodu bɛboro 35 MPa.
III. Electromagnetic Nhyiamu Nkabom Adeyɛ
Wɔde afiri a wɔde twitwiw nneɛma a ɛyɛ adwuma ankasa na ɛbɔ electromagnetic coil no mu. Wɔde enameled waya a ne kɛse yɛ 0.3-0.5mm no abɔ mu denneennen wɔ ntoatoaso pii mu, na polyimide film insulation wɔ ntoatoaso no ntam. Ade titiriw no yɛ DT4 anyinam ahoɔden dade kronkron, annealed ma ɛtew coercivity (<=80A/m), na wɔde bata valve stem no ho denam dwetɛ-gyina brazing so de hwɛ hu sɛ mmuae bere a ennu 10ms. Wɔde epoxy resin ahyɛ coil ne valve nipadua no mu, a ne insulation resistance a ɛboro anaasɛ ɛne 100MΩ yɛ pɛ wɔ curing akyi.
IV. Post-Adwumayɛ ne Nneɛma a Ɛyɛ Paara
Solenoid valve a wɔanwene no fa afiri a wɔde susuw nneɛma a ɛwɔ afã abiɛsa - mu de hwɛ nsusuwii atitiriw (te sɛ valve nkongua ano a ɛtumi gyina ano a ɛyɛ ±0.005mm) na ɛtwam wɔ mframa a ɛtumi nkɔ mu sɔhwɛ mu (helium leak test accuracy of 1×10−9 Pa·m3/s). Wɔ plastic valve nipadua ho no, wɔyɛ ɔhyew a ɛkorɔn-ɔhyew kyinhyia sɔhwɛ fi -40℃kosi 120℃nso de hwɛ sɛ ade no tumi gyina creep ano.
Awie
Ɔkwan a wɔfa so yɛ nsu solenoid valve ahorow no gyina hɔ ma nneɛma ho nyansahu, nneɛma a wɔyɛ no pɛpɛɛpɛ, ne nsu mu ahoɔden a ɛtwam. Ɛdenam nkuku nhyehyɛe a wɔbɛma ayɛ yiye, nkuku parameters a wɔbɛhwɛ so pɛpɛɛpɛ, ne post-processing akwan a wɔbɛma anya nkɔso so no, wobetumi ama nneɛma a wɔyɛ no pɛpɛɛpɛ ne nea ɛtra hɔ kyɛ no atu mpɔn kɛse. Daakye, ɛnam nkɔsoɔ a ɛba wɔ additive manufacturing ne composite materials mfiridwuma mu nti, solenoid valve molding bɛkɔ so anya nkɔsoɔ akɔ lightweighting ne nyansa adwini mu.
