Dɛn nti na bolt ahorow no sansan?

Bolt yɛ nneɛma a wɔde kyekyere nneɛma ho a wɔtaa de di dwuma wɔ nnwuma ahorow mu no mu biako.

Ɛmfa ho sɛ wɔtaa de di dwuma no ɛwom sɛ wɔn nhyehyɛe no nyɛ pɛ sɛnea obi betumi asusuw no. Bere a akyinnye biara nni ho sɛ bolts tumi kyekyere no, ɛtaa hu amane wɔ self-loosening ho. Nneɛma a ɛma bolts no sansan nanso nokwasɛm a ɛwɔ wɔn mu no ne sɛ, adansi biara a na ɛyɛ ne fã no betumi abubu.

Bolt loosening yɛ ahobammɔ ho asiane a ɛho hia.

Nneɛma ahorow a wɔde di dwuma no betumi ahu amane wɔ nneɛma ahorow a efi mu ba ho esiane sɛ nhama a ɛma nhama no mu yɛ hare no nti, ebetumi ayɛ nea emu dɔ araa ma ebetumi ama mfiri abubu, na ama afifide a ɛyɛ adwuma no agyina. Esiane sɛ bolts resan ayɛ ahobammɔ ho asiane a ɛho hia nti, ntease wom sɛ obi bɛte nea enti a bolts no ayɛ mmerɛw na ebetumi aba nso sɛ wɔde ano aduru bi nso bedi dwuma de atew hokwan a ɛwɔ hɔ sɛ wɔbɛma ayɛ mmerɛw no so.

Ntease ahorow ahorow a ɛsono emu biara betumi ama bolt loosening aba. Ebia wubehu sɛ saa nneɛma a ɛde bolt ba yi bi a ɛresan no abu so anaasɛ ɛfa ho no bi gyina wo nnwuma so. Ɛmfa ho mpɛn dodow a ɛba no ɛwom sɛ ɛyɛ nsɛm a ɛho hia a ɛyɛ nwonwa sɛ obi besusuw ho de.

Vibration yɛ adeɛ baako a ɛtaa ma self-loosening kɔ so.

Ɛtɔ da bi a, wosow nketenkete mpo betumi ayɛ nea ɛdɔɔso ma nkakrankakra na bere kɔ so no ɛbɛma bolt bi aba self-loosen so. Nea enti a ɛte saa ne sɛ, wosow nketenkete ma bolt no fi ase di akɔneaba nkakrankakra wɔ torque no kwan so. Bere kɔ so no eyi bɛkyerɛ sɛ bolt nkitahodi no rebɛhwere ne mmɔdenbɔ ne ne ho mpo-loosen. Wɔtaa frɛ eyi sɛ bolt a ɛba ara kwa a ɛma ɛyɛ mmerɛw efisɛ ahodwiriw ne wosow na ɛde ba.

Slackening yɛ ade foforo a ɛtaa nti a bolts no resan bere a ɛma preload yera no.

Nneɛma abiɛsa a ɛne sɛ obi bɛtra hɔ, sɛnea ɔwea, ne sɛnea ɔhome no yɛ mmerɛw. Saa non{1}}rotational loosening of bolts yi ma nhyɛso a ɛtaa yɛ nea obi a ɔhwɛ bolt no ara kwa no ntumi nhu no ba. Nea ɛho hia wɔ slackening ho ne sɛ ɛtaa nso hwehwɛ sɛ wɔde nneɛma a wɔakyekyere no a ɛbɛsɛe no daa esiane adwennwen a ɛkɔ soro a ɛne sɛ nkwaa no nya mu osuahu ahorow nti. Mpɛn pii no, ntini a wɔde bolt ayɛ no bɛsan akɔ ne mfitiase tebea no mu bere a adwennwen no afi hɔ no, nanso egyina nneɛma a ebia ɛnyɛ bere nyinaa na ɛte saa so na mmom no, ebia nhama no bɛyɛ nea asɛe koraa.

Dɛn ne atrae, creep, ne ahomegye? Email: SALES@AYAFASTENERS.COM

 

Nsiesiei fa nneɛma a wode redi dwuma no ani a ɛyɛ mmerɛw ne nea ɛnkɔ so pɛpɛɛpɛ ho. Nhyɛsoɔ a wɔde ba krampɔn no so wɔ pre-loading no akyi no bɛtumi ama deformation anaa irregularities ayɛ petee. Nea efi saa flattening no mu ba ne sɛ preload no so bɛtew a ɛbɛma bolt no ayɛ looser sen sɛnea na ɛte mfiase no.
Creep kyerɛ daa deformation a ɛba wɔ joint no so wɔ bere tenten akyi-bere a ɛda adi kɛse-adwennwen levels. Nneɛma a wɔde di dwuma ma nkwaa no ahoɔden betumi ayɛ nea ɛho hia, titiriw wɔ nneɛma a wɔde di dwuma wɔ baabi a ɛho behia sɛ nneɛma no kɔ so yɛ hyew no. Sɛ wopɛ sɛ wonya nsɛm pii fa high{}}quality bolts ho a, Aya Fasteners yɛ wɔn a wɔde nneɛma ma a wɔagye din no mu biako. Hwɛ a wobɛhwɛ sɛ nneɛma a wode redi dwuma no yɛ papa no betumi ayɛ ade titiriw a ɛbɛma woayi hokwan a ɛwɔ hɔ sɛ bolts no resan no afi hɔ esiane non-rotational loosening anaasɛ slackening nti.
Awiei koraa no, ahomegye kyerɛ nsakrae a ɛba wɔ microstructure a ɛwɔ nneɛma a ɛwɔ nkwaa bi mu fi elastic deformation kosi plastic deformation. Sɛ eyi bɛba a, mpɛn pii no, ɛsɛ sɛ ɛyɛ bere tenten a atwam.
Sɛ wobɛsusu preload loss a ɛnam eyi so aba a wobɛtumi asusu mfitiaseɛ bolt tenten no akyi a wɔhyɛɛ joint no mu den mfitiaseɛ no na afei woasan asusu ho wɔ berɛ mu. Sɛ wuhu sɛ nsakrae bi ba ne tenten mu a, ɛnde ebia wubetumi ahu sɛ ebia asɛm bi wɔ hɔ anaasɛ creep wɔ hɔ, nanso, saa kwan yi rentumi nyɛ yiye wɔ sɛnea wobehu sɛ ebia ahomegye wɔ hɔ no mu.

 

Sɛ wosiw bolt a ɛba ara kwa no ano a, ɛkyerɛ sɛ ɛho behia sɛ wɔtew slip a ɛwɔ afã abien no ntam no so sɛnea ɛbɛyɛ yiye biara. Akwan ahorow kakraa bi wɔ hɔ a wobetumi afa so ayɛ eyi.

Nkyɛmu nhyehyɛe a ɛfata betumi ayɛ ade titiriw a ɛbɛma akasakasa a ɛda bolt ne nut a wode redi dwuma no ntam no ayɛ kɛse. Wɔ fã kɛse no ara mu no, mfiridwumayɛfo a wɔyɛ mfonini no de wɔn adwene si hokwan a ɛwɔ hɔ sɛ bolt ahorow no bebubu no so, nanso ɛnyɛ ɛno nkutoo ne ɔkwan a ɛho hia a ɛsɛ sɛ wɔhwɛ so. Wɔ nhyehyɛe a emu yɛ hare mu no, ɛsɛ sɛ wɔhwehwɛ mfiri a ɛma obi ho dwo no nso mu.
Wɔ ɔbrɛ a wɔkwati ho no, wɔ nnansa yi mfe mu no, nneɛma a emu yɛ hare a wɔde di dwuma wɔ nkwaa mu no abɛyɛ nea abu so kɛse. Nanso, esiane sɛ nneɛma a emu yɛ hare a wobenya no abɛyɛ nea ɛho hia kɛse nti, ɛnkyerɛ sɛ ɛho hia sɛ ɛyɛ den na ɛyɛ den. Sɛnea ɛte no, nsusuwii ahorow pii betumi ayɛ nea ɛho hia ma hwɛ a wɔbɛhwɛ ma nkwaa no ayɛ papa na wɔayɛ no yiye, a ebetumi ayɛ ade titiriw a ɛbɛma wɔakwati ɔbrɛ. Mpɛn pii no, bolted joint pa bɛhia bolt elasticity pa ne clamp tenten tenten. Eyinom a wɔaka abom no betumi ayɛ ade titiriw a ɛbɛma wɔayɛ nneɛma a emu yɛ den.
Sɛ woredi elastic joint ho dwuma a ebia wobɛpɛ nso sɛ wususuw tenten a ɛwɔ hɔ ma wo krampɔn no ho na wosakra wo nhyehyɛe no gyina bolt ahorow a wuhia no so. Nanso, enhia sɛ bolt ahorow a ɛkorɔn-su a ɛyɛ papa no yɛ adeyɛ a emu yɛ den. Mmom no, ɛnyɛ den sɛ wubetumi apaw AYA fasteners ama ahobammɔ ne su kɛse.