June 15, 2017
Adetɔfo a wɔde wɔn a wɔde nneɛma ma no toto ho no rehwehwɛ asiane mu, na ɛnyɛ bo. Gyinapɛn ne adansedi nkrataa dan saa asiane no ma ɛbɛyɛ krataa a obi betumi ahwɛ mu, na ɛno nti na nsɛmmisa a anibere wom bɔ gyinapɛn no din ansa na wɔabɔ bo bi din no.
Engineering procurement te sɛ bo a wɔde toto ho na ɛyɛ asiane filter ankasa. So ɔhwɛfo no bɛpow saa ntonto yi esiane sɛ wɔanni mmara so nti? So sɔhwɛ amanneɛbɔ no bɛtwam wɔ nhyehyɛe mu gye a wogye tom no mu? Sɛ fam mu paapae wɔ mfe anum mu a, hena na ɔsoa? Gyinapɛn ne adansedi nkrataa de saa asiane ahorow no kɔ n’anim kɔ krataa a wotumi hwɛ mu mu. Ɛno nti na adwumayɛfoɔ nsɛmmisa ka sɛ ASTM A820 dadeɛ nhama a wɔde ma anaa EN 14889-1 dadeɛ nhama yɛfo tẽẽ: wɔnntɔ ade mma ahyɛnsodeɛ bi, wɔrehwehwɛ adwumayɛbea a ɛbɛtumi de nhyehyɛeɛ ho nkrataa a ɛfata ama.
ASTM A820 yɛ North America nneɛma gyinapɛn ma dadeɛ nhama na ɛdi nhama no ankasa so: dimensional tolerance, tensile strength, bending performance, coating ne appearance. Ɛhwehwɛ sɛ wɔfa lot sampling, tensile value pɔtee bi, ne bend test a wɔde fiber no kyekyere diameter pɔtee bi ho a ɛnsɛe. Ɛnkata mix design so na ɛnkata element performance so. Enti ɛne ASTM A820 hyia no kyerɛ sɛ fiber no nneɛma ne geometry no du gyinapɛn no ho, ɛnyɛ sɛ nhyehyɛe no hyia. Wɔ U.S. nnwuma mu no, wɔtaa de A820 di dwuma bom ne ACI anaa ɔman DOT adansi ho nkyerɛkyerɛmu.
EN 14889-1 yɛ Europa gyinapɛn na ɛkyerɛ sɛnea wɔde bɛto gua so: ɛkyekyɛ dade nhama mu sɛnea wɔde di dwuma, ɛkyerɛkyerɛ sɛnea wɔbɔ adwumayɛ ho amanneɛ, na ɛhwehwɛ sɛ nea ɔyɛ no de Adwumayɛ ho Mpaemuka ma. Wɔ saa nhyehyɛe yi ase no CE agyiraehyɛde no nyɛ nkonimbo a obi a ogye adanse ma na mmom nea ɔyɛ no mmara kwan so mpaemuka a ɛkyerɛ sɛ ɔyɛ adwuma, na nhwehwɛmu nhyehyɛe no, 1 anaa 3, na ɛkyerɛ sɛ ebia kuw bi a wɔabɔ wɔn amanneɛ no ka ho anaa. Europa adwuma bi nhia nkyerɛwde anan C.E.; ɛhia DoP a ɛwɔ adwumayɛ gyinapɛn ankasa ne adwumayɛbea a wɔyɛ nneɛma sohwɛ ho kyerɛwtohɔ a ɛwɔ n’akyi.
CE adansedi nkrataa pii a ɛnam email so ba no yɛ kratafa a wɔde kata wɔn ho so ara kwa. Nneɛma anan na ɛho hia. Nea edi kan no, ne gyinapɛn nɔma EN 14889-1 sen sɛ ɛbɛyɛ ade foforo bi gyinapɛn. Nea ɛto so abien, ne nhwehwɛmu nhyehyɛe 1 anaa 3, baabi a nhyehyɛe 1 hwehwɛ sɛ wonya kuw a wɔabɔ wɔn amanneɛ. Nea ɛto so abiɛsa, so gyinapɛn ahorow a wɔabɔ ho dawuru no kata nea woakyerɛ no so, a tensile, dimensions ne bond ka ho. Nea ɛto so anan, ne nipadua nɔma a wɔabɔ ho amanneɛ a wobetumi ahu wɔ EU NADO database no mu. Hwɛ saa anan no na krataa bi bɛyɛ adanse a wotumi hwehwɛ mu.
Nea edi kan ne boseabɔ: CE adansedi krataa a ɛfa ade foforo bi ho, te sɛ rebar anaa wire mesh, a wɔasesa ade no din. Nea ɛto so abien ne bere a atwam: adansedi krataa no atwam anaasɛ wɔayɛ gyinapɛn no mu nsakrae na dedaw no da so ara di akɔneaba. Nea ɛtɔ so mmiɛnsa ne scope: adansedie krataa no kata diameter range baako so berɛ a quotation no yɛ kɛseɛ bi a ɛwɔ akyi. Wɔkyere baasa no nyinaa denam nɔma a wɔahyɛ da ayɛ, da a ɛyɛ adwuma ne specification range a wɔatintim wɔ adansedi krataa no so a wɔbɛhwɛ so. Ahobanbɔ a ne bo nyɛ den ne sɛ wobɛbisa scan no aka covered specification list no ho bere a worebisabisa nsɛm no, na ɛnyɛ apam no akyi.
Abodin krataa yɛ adwuma wɔ nhyehyɛe gyinabea; batch amanneɛbɔ bi yɛ adwuma wɔ execution level. Line a ɛwɔ 28 in-line inspection steps betumi abɔ amanneɛ sɛ wɔasusu diameter, ne tenten, tensile strength ne coating weight ama lot biara, a wɔakyekyere no lot number. Wɔ adetɔfoɔ a ɛkyerɛ sɛ wɔbɛtumi ahwehwɛ beaeɛ nhwɛsoɔ a adi nkoguo akɔ lot pɔtee bi, raw material ne shift mmom sen sɛ wɔbɛsan de shipment no nyinaa aba. Wɔ nnwuma a wɔde kɔ amannɔne so no, wɔtaa hwehwɛ batch amanneɛbɔ no ma amanneɛbɔ ne ɔhwɛfo gye a wogye tom, enti akyerɛw de batch amanneɛbɔ a wɔde bɛkɔ apam no mu ma no ho wɔ mfaso kɛse sen sɛ wɔbɛkyerɛw a ɛne gyinapɛn no hyia.
Nea adetɔfo nya ankasa nyɛ gyinapɛn no, ɛyɛ krataa biako: mill sɔhwɛ adansedi krataa anaa nhwehwɛmu adansedi krataa. Anyɛ yiye koraa no, adansedi krataa a wotumi de di dwuma no kura nkyerɛwde awotwe. Nea edi kan no, ɔhyew nɔma, a ɛsɛ sɛ ɛne inkjet code a ɛwɔ bag no so hyia, anyɛ saa a wontumi nhwehwɛ batch no. Nea ɛto so abien, base wire gyinapɛn, a mpɛn pii no ɛyɛ GB/T 701 anaasɛ grade a ɛne no sɛ ma awɔw-twetwe low-carbon wire; dade a ɛkorɔn a wɔbɛkyerɛw no nkyerɛ hwee. Nea ɛto so abiɛsa, tensile ahoɔden a wɔasusuw values ne sɔhwɛ kwan, efisɛ kɛse anaasɛ ɛne 1150 MPa yɛ pɛ yɛ specification na ɛnyɛ nea efi mu ba. Nea ɛto so anan, diameter tolerance, mpɛn pii no plus anaa minus 0.03 mm ma hooked wire ne 0.01 mm ma micro wire, efisɛ loose tolerance ma dosage drift. Nea ɛto so anum, tenten a wotumi gyina ano, mpɛn pii no wɔde mm 1 kosi 2 ka ho anaasɛ wɔayi afi mu. Nea ɛto so asia, ade a wɔde kata so no mu duru wɔ gram mu wɔ mita ahinanan biara mu; nsɛmfua a wɔde kɔbere adura ho no nni asɛyɛde biara. Nea ɛto so ason, bend performance, bend dodow a ɛtwa n’ankasa diameter ho hyia ansa na abubu, a ɛno ne brittleness check a ɛyɛ ntɛm sen biara a ɛwɔ hɔ. Nea ɛto so awotwe, dodow a wɔkamfo kyerɛ, a ɛnyɛ ade a wɔde di mmara so nanso ɛkyerɛ sɛ ebia adwumayɛbea no te dwumadie no ase anaa. Hwɛ sɛnea amanneɛbɔ ahorow a ɛto so abiɛsa no yɛ nokware ne ne kɛse: EN 14889-1 nhyehyɛe adansedi krataa kata adwumayɛbea no tumi a ɛkɔ so no so bere a adwumayɛ ho mpaemuka a ɛfa kuw pɔtee bi ho no kata saa kuw no nkutoo so, na emu biara nsi ɔfoforo no ananmu. Mfomso a wɔtaa di ne sɛ wɔbɛfa type test amanneɛbɔ a adi mfe abiɛsa sɛ adanse a ɛkyerɛ sɛ batch biara ne no hyia; wɔ asɛm bi a wɔka mu no, ɛbɛn nea mfaso nni so. Ɛsɛ sɛ CE adansedi krataa dade nhama China adetɔnfo tumi de adwumayɛ ho mpaemuka, nhyehyɛe no adansedi krataa ne batch sɔhwɛ amanneɛbɔ no ma sɛ nkrataa abiɛsa a ɛsono emu biara. Fa biako ma sɛ nea wɔde besi abien a aka no ananmu na nea wɔka no yɛ nea wɔde asiesie.
Nhwehwɛmu a ɛfa mmara sodi ho a ɛsiesie biribiara wɔ ɔkwan biako so no wɔ nkyerɛwde anum: gua a wɔde wɔn ani asi so (US, EU, Mfinimfini Apuei), nɔma a wɔahyɛ da ayɛ a ɛsɛ sɛ wodi ho dwuma, sɛ ebia wɔhwehwɛ sɛ CE ne DoP, nkyerɛkyerɛmu no kwan sɛ ne ntwemu sɛnea ne tenten te, ne sɛ ebia ɛsɛ sɛ wɔde batch amanneɛbɔ ne nneɛma no kɔ. Wɔ saa anum no mu no, adwumayɛbea no nim sɛ ebia ɛho hia sɛ wɔyɛ batch a wɔagye atom ne sɛ ebia wobetumi de stock adi dwuma, na nsɛm a wɔka no pɛpɛɛpɛ no tu mpɔn ntɛm ara. Wɔ asase mfonini a ɛda grades ne gyinapɛn ntam no, ɔfa biara a ɛwɔ steel fiber product krataafa no so no bɔ ne gyinapɛn a ɛfata din, te sɛ ASTM A820, YB/T 151-2017 ne JG/T 472-2015, ne nhyehyɛe a ɛfa su pa ho, ISO 9001 ne CE, a ebetumi ayɛ mfiridwuma mu nnyinaso ama nsɛmmisa no.
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 KwaKɔbere-plated microwire, awɔw twetwe hook awiei type, glued wɔ row, fam type, 304 / 310S / 446 stainless dade ne melt-twe ɔhyew-resistant fiber, UHPC soronko synthetic fiber, diameter 0.2 kosi 1.0 mm, tenten 6 kosi 60 mm, tensile ahoɔden 700 kosi 2850 MPa, emu nsɛm coverage 0.5% kɔsi 2% volume rate ne 30 kɔsi 268 kg/m3. Wobetumi ayɛ nhyehyɛe a wɔbɛyɛ no sɛnea ASTM A820 anaa EN 14889-1 kyerɛ na wobetumi de batch inspection amanneɛbɔ ama. Wɔboa nneɛma a wɔde kyekyere nneɛma ahorow abiɛsa: nnaka, ton bag ne bulk. Aguadi ho nsɛm yɛ nea wobetumi apaw EXW / FOB / CIF / DDP.
Sua dade nhama a wɔpaw ne nsɛm a wɔafa aka ho ade →