Stainless steel hydraulic hose connectors yɛ nkitahodi atitiriw wɔ hydraulic nhyehyɛe ahorow mu. Wɔn nneɛma a wɔyɛ no mu kateeyɛ ne nea ɛyɛ pɛpɛɛpɛ no nya ade no ano a wɔde hyɛ mu, nhyɛso a ɛko tia, ne ɔsom asetra so nkɛntɛnso tẽẽ. Saa asɛm yi kyerɛkyerɛ mu wɔ nhyehyɛe kwan so no yɛ nhyehyɛe a edi mũ a ɛfa dade a ɛnyɛ den ho hydraulic hose connectors ho, efi nneɛma a wɔde yɛ nneɛma so kosi nneɛma a wɔawie so, a ɛkata anammɔn atitiriw te sɛ nneɛma a wɔpaw, sɛnea wɔyɛ, sɛnea wɔyɛ wɔn ani wɔ soro, ne sɛnea wɔhwɛ nneɛma yiye so.
Raw material ahosiesie ne pretreatment .
Nneɛma titiriw a wɔde yɛ dade a ɛnyɛ den hydraulic hose connectors no taa yɛ austenitic stainless steel (te sɛ 304 ne 316L), a ɛma corrosion resistance ne ahoɔden kɛse. Duplex stainless steel anaa precipitation-wɔbɛtumi de dadeɛ a ɛnyɛ den a wɔayɛ no den adi dwuma wɔ dwumadie soronko bi mu. Nneɛma a wɔde yɛ adwuma no kɔ nhwehwɛmu a emu yɛ den mu, a nnuru a wɔde yɛ nneɛma mu nhwehwɛmu ka ho (sɛnea ɛbɛyɛ a nikel ne chromium a ɛwɔ mu no bedu gyinapɛn ahorow ho), mfiridwuma mu nneɛma a wɔde sɔ hwɛ (ahoɔden a ɛyɛ den ne ne tenten), ne nea ɛnyɛ{5}}ɔsɛe sɔhwɛ (te sɛ ultrasonic sɔhwɛ) de yi emu sintɔ ahorow fi hɔ.
Nea ɛka aduru a wɔde di kan yɛ ho nhyehyɛe no ho ne sɛ wobetwitwa krataa anaa afiri no mu na wɔayɛ no. Sɛ wɔde dade afiri a ɛnyɛ hwee di dwuma a, ɛho hia sɛ wɔyɛ awɔw mu mfonini anaasɛ awɔw a ɛyɛ nwini na ama ɔfasu no mu ayɛ duru pɛpɛɛpɛ. Sɛ wɔde dade a wɔakyerɛw so di dwuma a, wɔde laser twa blank no anaasɛ wɔde stamp hyɛ mu ma ɛyɛ ɔkwan pɔtee bi so. Bere a wɔadi kan ayɛ no akyi no, nneɛma no ani hwehwɛ sɛ woyi fi mu na wɔde pickling yi srade, oxide layers, ne efĩ fi hɔ, na ɛma wonya ade a ɛho tew a wɔde bɛyɛ adwuma akyiri yi.
Forming Process .
Mfiri a wɔde yɛ adwuma .
Nneɛma titiriw a ɛfata (te sɛ nhama ne nsɔano a ɛwɔ soro) no taa yɛ pɛpɛɛpɛ-wɔde CNC lathes di dwuma. Ɛsɛ sɛ thread machining di amanaman ntam gyinapɛn ahorow so (te sɛ ISO 228 anaa NPT) na ama wɔahwɛ ahu sɛ ɛne hose anaa nnwinnade ntam nkitahodi bɛyɛ pɛ. Wɔayam nsɔano no so anaasɛ wɔayɛ no fɛfɛɛfɛ ma ayɛ RA a ɛyɛ mmerɛw a ennu anaasɛ ɛne 0.8μm yɛ pɛ na ama nsɔano no ayɛ adwuma yiye. Wɔ nhyehyɛe a ɛyɛ den (te sɛ multi-way fittings) ho no, wobetumi de anum-axis machining center adi dwuma ama nsusuwso a wɔaka abom.
Stamping ne Forging .
Wɔde stamp ahyɛ fittings nketewa bi mu. Wɔde die na ɛyɛ dade krataa a ɛnyɛ den a wɔde yɛ kuruwa anaasɛ nsu a ɛyɛ tubular a wɔde die ayɛ. Afei wɔde weld anaasɛ riveted bom. Wɔ soro-nhyɛso fittings no, forging abu so kɛse. Wɔde dade a ɛnyɛ den blank no hyew wɔ recrystallization hyew no atifi na wɔde plastic ayɛ no deformed wɔ forging press mu ma dade no mu aburow nhyehyɛe no tu mpɔn na ɛma mfiridwuma mu su ahorow no yɛ kɛse.
Welding nhyehyɛe .
Sɛ fitting no yɛ nneɛma pii (te sɛ fitting body ne nut) a), inert gas welding (TIG) anaa laser welding ho hia. Ɛsɛ sɛ wɔhwɛ welding parameters (mprempren, ahoɔhare, ne shielding gas flow) so denneennen na asiw intergranular corrosion a ɛwɔ stainless steel no mu no ano, na ɛsɛ sɛ wɔde penetrant testing (PT) anaa radiographic testing (RT) di dwuma de hwɛ sɛ weld no su yɛ nokware.
nhyiam ne ahoɔden .
Hose Crimping (nsu a ɛrebɔ/tew so) .
Wɔ hydraulic hose nkitahodi ho no, wɔde crimping nhyehyɛe bi na ɛbɔ fitting ne hose no ho ban. Ansa na wobɛbɔ no, wɔayi hose no awiei no afi ne rɔba a ɛwɔ akyi no mu na wɔde waya a wɔabɔ no ahama ahyɛ mu. Wɔayɛ crimping die no sɛnea hose specifications no te, na wɔde nhyɛso a ɛyɛ pɛpɛɛpɛ di dwuma denam hydraulic press so de yɛ interference fit wɔ fitting ne hose no ntam. Nneɛma bi a ɛkorɔn-End products de flaring process di dwuma, baabi a wɔde adwinnade a ɛma ogyaframa no di dwuma de trɛw fitting no mu conical surface no mu ansa na wɔde ahyɛ hose no mu. Sɛ ɛyɛ nwini wie a, wɔde biribi a ɛyɛ den a wɔde kura mu si hɔ.
Ɔhyew a wɔde sa yare ne ahoɔden a wɔde hyɛ mu den .
Sɛnea ɛbɛyɛ a ɛho hia sɛ wɔde ɔhyew no di dwuma yiye na ɔbrɛ a ɛko tia ɔbrɛ no yɛ yiye no, nneɛma bi wɔ hɔ a, ɛsɛ sɛ wɔde ɔhyew yɛ no, te sɛ nea wɔde dum ne ɔhyew (a ɛyɛ den ne nea ɛyɛ den) anaasɛ nitriding a ɛwɔ soro. Wɔ soro-pressure dynamic adwumayɛ tebea, shot peening nso betumi adi dwuma de ayɛ residual compressive stress layer wɔ soro, akyɛ mpaapaemu mfiase.
Ayaresa a ɛwɔ soro ne nea ɛbɔ ho ban .
Stainless steel fi awosu mu wɔ corrosion resistance a ɛkyɛn so. Nanso, sɛnea ɛbɛyɛ a ne tumi a ɛko tia nkyene a wɔde petepete, acid, ne alkalis no yɛ kɛse no, wɔtaa yɛ no a ɛnyɛ{1}}a ɛne ne ho hyia (te sɛ denam nitric-hydrofluoric acid solution a wɔde gu mu so) anaasɛ wɔde anti{3}}seizure agent kata nhama so. Sɛnea ɛbɛyɛ na wɔadi nneɛma a atwa yɛn ho ahyia ho ahwehwɛde ahorow ho dwuma no, nneɛma bi a wɔde kɔ amannɔne no de trivalent chromium passivation di dwuma sen sɛ wɔde atetesɛm mu hexavalent chromium nhyehyɛe no bedi dwuma.
Nhwehwɛmu a ɛyɛ papa ne adwumayɛbea no ho adanse .
Nneɛma a wɔawie no yɛ nhwehwɛmu a edi mũ anaasɛ ɛba kwa. Nneɛma atitiriw bi ne:
Dimensional Accuracy: Asaawa parameters, sealing surface diameter, ne geometric tolerances a wɔde coordinate susudua (CMM) susuw ho;
Nsɔano: Wɔsɔɔ hwɛe denam airtightness testing (0.5-2 mpɛn a ɛyɛ adwuma nhyɛso) anaasɛ hydraulic testing (ɛnyɛ leakage bere a wɔakura nhyɛso mu simma 30 akyi);
Mfiridwuma mu nneɛma: Nhwɛsode ahorow no fa tensile sɔhwɛ, hardness sɔhwɛ (vickers hardness HV), ne impact testing;
Appearance Inspection: Fa w’aniwa si so dua sɛ nsensanee, burrs, ne weld sintɔ biara nni hɔ.
Nneɛma a wɔyɛ ma dade a ɛnyɛ den hydraulic hose connectors no ka nneɛma ho nyansahu, mfiri a ɛyɛ pɛpɛɛpɛ, ne mfiridwuma a ɛhwɛ nneɛma pa so bom. Anamɔn biara di nnwuma gyinapɛn so katee (te sɛ ISO 9001 ne API Q1). Ɛdenam nhyehyɛe no mu nsɛm a wɔma ɛyɛ papa ne mfiri a wɔde yɛ adwuma a wɔde ba (te sɛ robɔt welding ne nyansa nhwehwɛmu nhyehyɛe ahorow) so no, wobetumi ama nneɛma a wɔyɛ no yiye ne nneɛma a wɔyɛ no ahyia no atu mpɔn kɛse, na wɔadi ahotoso a ɛkorɔn a wɔhwehwɛ wɔ nnwuma te sɛ mfiridwuma mu mfiri, petrochemical, ne ahunmu no ho dwuma.
