June 15, 2008
Dade block biako, nhyehyɛe abiɛsa a ɛyɛ pɛpɛɛpɛ a ɛte mu: flatness wɔ mounting anim, cylindricity ne coaxiality wɔ bore no mu, roughness wɔ sealing anim. Wɔn mfiri a wɔde di dwuma nnidiso nnidiso no ko n’ankasa ho, na ɛno nti na nsɛm a wɔafa aka ama mfonini koro no ara no trɛw mpɛn anum no.
Hydraulic valve nipadua te sɛ block a ntokuru wɔ mu. Wɔ nneyɛe mu no nhyehyɛe abiɛsa a ɛyɛ pɛpɛɛpɛ bom tra ɔfã biako mu: flatness wɔ mounting anim, cylindricity ne coaxiality wɔ spool bore, roughness wɔ sealing anim. Wɔn mfiri nhyehyɛe no ko n’ankasa ho. Bore kan na afei mill, na clamping force kyinkyim bore no kurukuruwa; mill kan na afei bore, na clamping a ɛto so abien no ma anim no dannan.
Ɛno nti na sika a wɔka fa mfonini koro no ara ho fi du du kosi ɔhaha pii no. Nsonsonoe no nyɛ mfiri a ɛyɛ pɛpɛɛpɛ na mmom sɛ ebia wɔasusuw ɔkwan a wɔfa so yɛ adwuma no ho: oprehyɛn dodow a ɛfata wɔ krampɔn biako mu, sɛnea wɔde datum no kɔ baabi foforo, baabi a ɔhyew a wɔde yɛ adwuma no te. Sotɔɔ bi a onsusuw ho yiye no fa sika a ɛba fam, ɛhwere sika a ɛwɔ nneɛma a wɔabubu so, na ɛsan de nea wɔahwere no kɔ sɛ ɛkyɛ anaasɛ ɛbo a ɛkɔ soro.
Anim a wɔde nsɔano no ntaa nni nkogu efisɛ ɛnyɛ mmerɛw sɛnea ɛsɛ; wodi nkogu efisɛ wɔnyɛ petee sɛnea ɛsɛ. Ra 0.4 anim a ɛwɔ asorɔkye da so ara ma O-ring nya kwan a ɛtwetwe, bere a Ra 1.6 anim a ɛwɔ asorɔkye sohwɛ pa no sɔ ano a wotumi de ho to so wɔ nhyɛso a ɛba fam mu. Enti gyinapɛn ahorow a wɔde gye tom no hia Ra ne asorɔkye, anaasɛ petee, bom. Ra nkutoo nwie pɛyɛ.
Wɔ mfiri fã no mmuae no ne sɛ wɔbɛhwɛ aduan a wɔde ma wɔ ɛse biara ne adwinnade runout bere a wɔawie milling sɛnea ɛbɛyɛ a daa waviness renhyehyɛ, na wɔde lapping anaa honing aka ho wɔ baabi a ɛho hia. Wɔ die casting blanks so no, si so dua sɛ machining allowance yɛ nea edi kan mpo: uneven allowance ma cutting force sakra, na sɛ nsakrae da adi tẽẽ sɛ waviness.
Valve nipadua no wɔ bore a ɛtwam, na drilling gyaw burr a wɔabobɔw wɔ nhyiam biara. Wontumi nhu burr no, ɛhohoro bere a wɔaboaboa ano awie no, na ɛda spool ne sleeve ntam, na ɛma ɛbata ho anaasɛ emu nsu tɔ. Valve foforo a entumi nyɛ adwuma wɔ sɔhwɛ benkyi no so no fã a ntease wom no fi cross-hole burrs so.
Deburring nhyehyɛe no gyina tokuru no kɛse ne ntwemu anim so: mfiri deburring a wɔde adwinnade a wɔatu ho ama, abrasive flow ma ntokuru nketewa ne nhyiam a ɛyɛ den, anaasɛ electrochemical deburring ma stable volume. Wɔn baasa nyinaa yɛ adwuma, na ɛsono ɛka a wɔbɔ ne nea ɛkɔ so daa koraa. Sɛ worefata sɛ obi a ɔde nneɛma ma a, ɛfata sɛ wubisa tẽẽ sɛnea wɔde cross holes deburred ne sɛnea wodi nea efi mu ba no ho adanse. Ebia obi a ɔde nneɛma ma a ontumi nkyerɛkyerɛ nokwaredi no mu no nnii so.
Valve nipadua yɛ adanse ne leak sɔhwɛ ansa na wɔasoma, nanso nhyɛso bɛn, bere tenten ne atɛn sɛnea wɔtaa gyaw no pefee. Mfomso a ɛtaa ba ne sɛ wɔbɛka sɔhwɛ nhyɛso a wonni bere a wɔde kura anaasɛ gye a wogye tom, enti nea ɔde nneɛma ma no sɔ hwɛ simma aduasa na adetɔfo no gye bɛboro simma anum. Obiara nni mfomso na biribiara nhyia.
Nkyerɛkyerɛmu a edi mũ ka medium (nsu anaa gas), sɔhwɛ nhyɛso (a mpɛn pii no wɔkyerɛ mpɛn 1.5), bere a wɔde kura mu a wonya fi volume ne decay rate a wɔma ho kwan mu, acceptance threshold, ne drain ne rust-prevention steps wɔ ɛno akyi. Gas sɔhwɛ nso hia ahobammɔ ho nhyehyɛe foforo: gas a wɔahyɛ no den no sie ahoɔden pii koraa, enti sɛ ɛbɛpae a, ɛyɛ hu kɛse sen hydraulic sɔhwɛ mu.
Mpɛn pii no, valve blanks fi die casting anaa gravity casting mu, na wɔyɛ mfiri wɔ mmeae afoforo. Wɔakyekyɛ mu wɔ wɔn a wɔde nneɛma ma baanu mu, akyinnyegye no yɛ nea wotumi hyɛ ho nkɔm: caster no ka sɛ allowance no hyiaa drawing no, machinist no ka uneven allowance gyaw black skin. Ɔdetɔfo no gye ɛka a wɔbɔ no, denam were tuntum a ogye tom anaasɛ ɔpopa lot no so.
Enti valve nipadua fata supplier a ɔyɛ casting ne machining nyinaa, baabi a allowance, datum, ɔhyew ayaresa ne deburring bɛn mu wɔ process document biako mu na ɔfã biako na ɔwɔ ɔhaw no. Ɛno nso nti na, sɛ wɔresusuw wɔn a wɔde mfiri afã horow ma ho a, tumi a otumi yɛ n’ankasa nnwinnade na ɔyɛ n’ankasa blanks no ka nea ɛboro mfiri mmeae a wɔkan no so.
Ahotew ne ahwehwɛde a ɛntaa nkɔ mfonini no so nanso esi warranty ka dodow no ara ho gyinae. Anhwea a wogyaw wɔ cast cavity mu, chips a efi cross-hole deburring mu, aluminium swarf a wɔmmɔ no ansa na wɔaboaboa ano — ne nyinaa ne ngo no di akɔneaba bere a nhyehyɛe no ayɛ adwuma pɛn no, na ɛhyɛ spool no ne pump no port plate no. Nnwumakuw no da botae no adi sɛ ISO 4406 nneɛma nketenkete dodow anaa NAS 1638 kuw, nanso adetɔfo pii kyerɛw sɛ ɛsɛ sɛ emu no ho tew nkutoo, a ɛnkyerɛ hwee.
Nkyerɛkyerɛmu a wotumi di dwuma no kyekyɛ ahotew mu yɛ no nneɛma anan: ɔkwan a wɔfa so fa nhwɛsode, sɛ́ ɛyɛ ahohoro anaasɛ woyi fi mu; adwinnade no, ade a wɔde bu nneɛma nketenkete; adesuakuw a wogye tom, sɛ nhwɛso no ISO 4406 18/16/13; ne ahobammɔ a wɔde bɔ ansa na wɔde ahyɛ mu, a ɛkyerɛ sɛ plugs, desiccant ne bag abien. Bere a wɔakyerɛw anan no nyinaa ato hɔ no, obi a ɔde nneɛma ma no betumi ahwɛ ne ho na gye a wogye tom no wɔ nnyinaso.
Wɔ mfiri fã no, anammɔn abiɛsa a ɛne ne ho hyia wɔ hɔ: nhyɛso kɛse flushing bere a deburring akyi, ultrasonic ahotew ansa na nhyiam, ne borescope sampling ansa na nhwehwɛmu a etwa to. Borescope anammɔn no ne nea wɔtaa huruw, na ɛno nkutoo ne ɔkwan a wɔfa so hu nkae wɔ mmeamudua tokuru bi ntini mu. Sɛ wobisa sɛ wobɛhwɛ borescope kyerɛwtohɔ ahorow no bere a wɔreyɛ akontaabu no a, ɛyɛ nea wogye di sen sɛ wobɛkenkan nhyehyɛe no ho nkrataa nkratafa du.
Wɔatew so akɔ nsɛmmisa a ɛwɔ nkyerɛwde asia: fibea a ɛnyɛ hwee ne allowance gyinapɛn; nhyehyɛe kwan a wɔfa so yɛ adwuma ne datum; Ra ne waviness botae ahorow wɔ sealing anim; cross-hole deburring kwan ne nea ɛkyerɛ sɛ ɛyɛ nokware; nhyɛso-sɔhwɛ parameters a edi mũ; ne tumi ne nnyigyei a ɛyɛ dɛ bere a wɔreyɛ ramp-up. Bisa saa baanum no na ntrɛwmu a ɛda nsɛm a wɔafa aka ntam no bɛyɛ nea wotumi kyerɛkyerɛ mu sen sɛ ɛbɛyɛ nsusuwii hunu.
Kɔkɔbɔ biako: valve nipadua yɛ ɔfã a ɛwɔ baabi biako a ɛdi huammɔ, na nhama a wɔagyae no bo yɛ den koraa sen ɔfã no. Wɔ adetɔnfoɔ titire no akyi no ɛfata sɛ wɔyɛ adetɔnfoɔ a wɔde nneɛma bɛba akyi no wɔ parallel sɛ multi-source supplier nhyehyɛeɛ a ɛwɔ n’ankasa pene fael, ɛnyɛ sɛ din wɔ contingency list so, a ne mmienu nyinaa yɛ adwuma firi drawing revision ne acceptance standard korɔ no ara mu. Wɔ hydraulics mu no, ntɛmpɛ backup tumi nyɛ ɔkwan foforo a wɔfa so nya fibea; ɛyɛ insurance a ɛfa nneɛma a wɔyɛ no kɔ so ho. Hwɛ nea ɔyɛe no nneɛma ho nsɛm
Ka wo project scenario ne ahwehwɛdeɛ kyerɛ yɛn, na yɛbɛma ano aduru a ɛfata no ahyia na yɛde quote ama wɔ nnɔnhwereɛ 24 ntam.
Nya Quote a Wɔde Ma KwaCNC milling ne turning, krataa dade bending ne stamping, grinding ne polishing, adwumayɛbea no wɔ n’ankasa nkuku nhyehyɛe ne adwinnan tumi, ne biako-gyina wie fi biako-afã prototyping kosi mass production. Shenzhen ne Huizhou wɔ abusuabɔ, na ɛboa sɛnea wɔyɛ no sɛnea wɔpɛ a egyina mfonini ne nhwɛsode ahorow so. Aguadi nsɛm yɛ optional EXW / FOB / CIF / DDP, na ɛwɔ PPAP ne ISO9001 quality nhyehyɛe adansedi.
Sua fa precision afã horow customization ano aduru ho ade →