{"id":2045,"date":"2025-08-29T01:57:37","date_gmt":"2025-08-29T01:57:37","guid":{"rendered":"https:\/\/nbaem.com\/?p=2045"},"modified":"2025-08-29T02:11:06","modified_gmt":"2025-08-29T02:11:06","slug":"magnet-grades-pull-force-gauss-magnet-strength-and-n-numbers","status":"publish","type":"post","link":"https:\/\/nbaem.com\/gd\/magnet-grades-pull-force-gauss-magnet-strength-and-n-numbers\/","title":{"rendered":"Sti\u00f9ireadh \u00ccrean Magnait Neart Tarraing Neart Gauss agus \u00c0ireamhan N"},"content":{"rendered":"<h2>D\u00e8 na \u00ccrean Magnet<\/h2>\n<p>Tha \u00ecrean magnet mar dh\u00f2igh air rangachadh neart agus feartan stuthan de magnetan maireannach. Mar eisimpleir, tha \u00ecrean magnet neodymium cumanta a\u2019 gabhail a-steach <strong>N35, N42, agus N52<\/strong>, far an <strong>\u201cN\u201d<\/strong> a\u2019 seasamh airson <em>neodimium<\/em>, agus tha an \u00e0ireamh a\u2019 riochdachadh toradh l\u00f9th magnetach an magnet <strong>as \u00e0irde<\/strong> (BHmax) \u2014 tomhas air cia mheud l\u00f9th magnetach as urrainn don stuth a st\u00f2radh. Gu coitcheann, <strong>tha \u00e0ireamhan nas \u00e0irde a\u2019 ciallachadh magnetan nas l\u00e0idire<\/strong>, a\u2019 gabhail ris an aon mheud agus cumadh.<\/p>\n<p>Chan eil an \u00ecre a\u2019 nochdadh a-mh\u00e0in <strong>neart magnetach<\/strong> ach cuideachd <strong>measgachadh stuthan<\/strong> agus feartan coileanaidh, a\u2019 gabhail a-steach fulangas te\u00f2thachd agus an aghaidh d\u00ec-mhagnetachadh.<\/p>\n<p>Seo sealladh luath air se\u00f2rsan magnetan ainmeil agus an \u00ecrean \u00e0bhaisteach:<\/p>\n<ul>\n<li><strong>Neodymium (NdFeB)<\/strong> \u2013 Na magnetan maireannach as l\u00e0idire a tha ri fhaighinn gu malairteach; tha \u00ecrean mar as trice eadar <strong>N35 gu N52<\/strong>.<\/li>\n<li><span style=\"color: #ff6600;\"><a style=\"color: #ff6600;\" href=\"https:\/\/nbaem.com\/gd\/products\/ceramic-magnet\/\" target=\"_blank\" rel=\"noopener\"><strong>Ferrite (Ceramic)<\/strong> <\/a><\/span>\u2013 Cosg-\u00e8ifeachdach agus an aghaidh creimeadh; \u00ecrean mar <strong>C5 no C8<\/strong>.<\/li>\n<li><strong>Alnico<\/strong> \u2013 Seasmhachd te\u00f2thachd s\u00e0r-mhath, math airson tagraidhean \u00e0rd-te\u00f2thachd; \u00ecrean mar <strong>Alnico 5<\/strong> or <strong>Alnico 8<\/strong>.<\/li>\n<li><span style=\"color: #ff6600;\"><a style=\"color: #ff6600;\" href=\"https:\/\/nbaem.com\/gd\/products\/samarium-cobalt-magnets\/\" target=\"_blank\" rel=\"noopener\"><strong>Samarium Cobalt (SmCo)<\/strong> <\/a><\/span>\u2013 Neart \u00e0rd le fulangas te\u00f2thachd agus creimeadh nas fhe\u00e0rr; \u00ecrean mar as trice bho <strong>SmCo 16 gu SmCo 32<\/strong>.<\/li>\n<\/ul>\n<p>Tha tuigsinn \u00ecrean magnet a\u2019 cuideachadh le bhith a\u2019 taghadh an stuth cheart airson an tagraidh agad - ge bith a bheil feum agad air an neart as motha, seasamh an aghaidh teas \u00e0rd, \u00e8ifeachdas cosgais, no seasmhachd ann an \u00e0rainneachdan cruaidh.<\/p>\n<h2>Tuigsinn neart tarraingidh d\u00e8 tha e a\u2019 ciallachadh agus carson a tha e cudromach<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/nbaem.com\/wp-content\/uploads\/2025\/08\/magnet_pull_force_measurement_j0MTvbaS9.webp\" alt=\"tomhas neart tarraing magnet\" \/><\/p>\n<p>Is e feachd tarraing an \u00ecre cuideam as urrainn do magnet a chumail mus dealaich e bho uachdar st\u00e0ilinn. Mar as trice bidh e air a thomhas ann an <strong>punnd<\/strong> or <strong>cileagraman<\/strong>. Is e seo aon de na d\u00f2ighean as practaigeach air neart magnet a choimeas oir tha e a\u2019 nochdadh f\u00ecor chumhachd cumail seach d\u00ecreach tomhasan obair-lann.<\/p>\n<p>Tha feachd tarraing an urra ri beagan phr\u00ecomh nithean:<\/p>\n<ul>\n<li><strong>Meud magnet<\/strong> \u2013 Mar as trice bidh barrachd cumhachd cumail aig magnets nas motha.<\/li>\n<li><strong>\u00ccre magnet (\u00e0ireamh N)<\/strong> \u2013 Faodaidh \u00ecrean nas \u00e0irde leithid N52 barrachd feachd tarraing a thoirt a-mach an coimeas ri \u00ecrean nas \u00ecsle leithid N35, a\u2019 gabhail ris an aon mheud.<\/li>\n<li><strong>Uachdar conaltraidh<\/strong> \u2013 Bheir st\u00e0ilinn r\u00e8idh, glan an fheachd tarraing as \u00e0irde. L\u00f9ghdaichidh be\u00e0rn sam bith, peant no meirge e.<\/li>\n<\/ul>\n<p>Ann an gn\u00ecomhachasan, tha rangachadh feachd tarraing cudromach airson obraichean mar <strong>a\u2019 togail siotaichean st\u00e0ilinn trom, a\u2019 daingneachadh innealan, no a\u2019 cumail t\u00e0mh-\u00e0irneisean<\/strong> nan \u00e0ite. Airson cleachdadh luchd-cleachdaidh, tha e a cheart cho cudromach - mar eisimpleir, <strong>a\u2019 cur nithean suas, a\u2019 togail d\u00f9nadh magnetach, no pr\u00f2iseactan leasachadh dachaigh DIY<\/strong>.<\/p>\n<p>Nuair a n\u00ec thu sgr\u00f9dadh air s\u00f2nrachaidhean magnet, cuimhnich: mar as trice bidh an fheachd tarraing ainmichte air a thomhas fo shuidheachaidhean obair-lann air leth freagarrach. Ann an cleachdadh san t-saoghal fh\u00ecor, bi an d\u00f9il gum bi cumhachd cumail nas lugha mar thoradh air suidheachaidhean uachdar no be\u00e0rn a bharrachd. Ma tha feum aig a\u2019 phr\u00f2iseact agad air neart cumail s\u00f2nraichte, cleachd an rangachadh feachd tarraing mar sti\u00f9ireadh agus cuir ris iomall s\u00e0bhailteachd.<\/p>\n<h2>Neart Magnet Gauss An t-\u00c0ireamhachadh Raon Magneataigeach<\/h2>\n<p><strong>Gauss<\/strong> na aonad a dh\u2019innseas dhuinn cho l\u00e0idir sa tha raon magnetach aig \u00e0ite s\u00f2nraichte. Nuair a bhios sinn a\u2019 tomhas neart magnet, bidh sinn gu tric a\u2019 coimhead air d\u00e0 phr\u00ecomh luach:<\/p>\n<ul>\n<li><strong>Gauss Uachdar<\/strong> \u2013 an raon magnetach air a thomhas d\u00ecreach air uachdar a\u2019 mhaignet le meatair gauss.<\/li>\n<li><strong>D\u00f9mhlachd Fl\u00f9n residual (Br)<\/strong> \u2013 an l\u00f9th magnetach as motha a dh\u2019fhaodadh am bathar a chumail, air a thomhas ann an kilogauss (kG) no tesla (T) ann an suidheachadh saothrachaidh.<\/li>\n<\/ul>\n<p>Tha gauss uachdair na tha thu a\u2019 faicinn anns na leughadairean f\u00ecor-bheatha, fhad \u2018s a tha Br na dhleastanas air bathar a chleachdadh airson coimeasachadh rangachadh r\u00e8 d\u00e8anamh.<\/p>\n<h3>Carson a tha Gauss cudromach<\/h3>\n<p>Tha leughadairean gauss gad chuideachadh le:<\/p>\n<ul>\n<li>Coimeas a dh\u00e8anamh eadar neart magnet mus ceannach<\/li>\n<li>Freagairt a thoirt don magnet cheart airson do thagraidh<\/li>\n<li>Measadh a dh\u00e8anamh air neart cumail c\u00f2mhla ri meud agus rangachadh<\/li>\n<\/ul>\n<p>Tha seo gu s\u00f2nraichte cudromach airson cleachdaidhean gn\u00ecomhachais, dealanach, motaran, agus sensors magnetach far am bi neart an raoin a\u2019 toirt buaidh dh\u00ecreach air coileanadh.<\/p>\n<h3>\u00c0bhaisteach Gauss uachdair le se\u00f2rsa magnet<\/h3>\n<table>\n<thead>\n<tr>\n<th>Se\u00f2rsa Magnet<\/th>\n<th>Raon Rangachadh Cumanta<\/th>\n<th>Tuaine. Gauss uachdair*<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Neodymium<\/td>\n<td>N35 \u2013 N52<\/td>\n<td>2,000 \u2013 6,000 G<\/td>\n<\/tr>\n<tr>\n<td>Ferrite (Ceramic)<\/td>\n<td>C5 \u2013 C8<\/td>\n<td>1,500 \u2013 3,900 G<\/td>\n<\/tr>\n<tr>\n<td>Samarium Cobalt<\/td>\n<td>18 \u2013 30<\/td>\n<td>2,000 \u2013 5,000 G<\/td>\n<\/tr>\n<tr>\n<td>Alnico<\/td>\n<td>2 \u2013 9<\/td>\n<td>800 \u2013 1,200 G<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>*Tha gauss uachdair a\u2019 buntainn ri meud, cruth, agus r\u00e8iteachadh p\u00f2l.<\/p>\n<h2>Decoding N \u00c0ireamhan D\u00e8 na tha iad a\u2019 ciallachadh<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/nbaem.com\/wp-content\/uploads\/2025\/08\/Neodymium_Magnet_N_Grades_Guide_x0GfgyQrA.webp\" alt=\"Sti\u00f9ireadh air \u00ecrean Neodymium Magnet N\" \/><\/p>\n<p>Nuair a bhios tu a\u2019 ceannach magnetan neodymium, ch\u00ec thu gu tric rangachadh mar <strong>N35, N42, N52<\/strong>. Tha na <strong>\u00c0ireamhan N<\/strong> a\u2019 innse dhut cho l\u00e0idir \u2018s a tha stuth an magnet. Tha \u201cN\u201d a\u2019 seasamh airson neodymium, agus tha an \u00e0ireamh a\u2019 toirt iomradh air <strong>toradh l\u00f9th as motha (BHmax)<\/strong> \u2014 gu bunaiteach, cia mheud l\u00f9th magnetach as urrainn don stuth a st\u00f2radh. Tha \u00e0ireamhan nas \u00e0irde a\u2019 ciallachadh tarraing nas l\u00e0idire, ma tha an aon mheud agus cumadh ann.<\/p>\n<p>Mar eisimpleir:<\/p>\n<ul>\n<li><strong>N35<\/strong> tha \u00ecre nas cosgaile airson cleachdadh coitcheann.<\/li>\n<li><strong>N42<\/strong> a\u2019 tabhann neart agus pr\u00ecs cothromach.<\/li>\n<li><strong>N52<\/strong> tha e na aon de na h-\u00ecrean as l\u00e0idire ann an cinneasachadh \u00e0bhaisteach \u2014 foirfe nuair a tha feum agad air neart as \u00e0irde ann an \u00e0ite beag.<\/li>\n<\/ul>\n<p>Tha \u00e0ireamh N cuideachd a\u2019 toirt buaidh air coileanadh:<\/p>\n<ul>\n<li><strong>Cumhachd Tarraing<\/strong> \u2013 Bidh \u00ecrean N nas \u00e0irde a\u2019 l\u00ecbhrigeadh feachdan tarraing nas l\u00e0idire airson an aon mheud magnet.<\/li>\n<li><strong>Seasamh an aghaidh Te\u00f2thachd<\/strong> \u2013 Bidh magnetan N \u00e0bhaisteach a\u2019 t\u00f2iseachadh a\u2019 call neart os cionn 80\u00b0C (176\u00b0F). Airson teas nas \u00e0irde, feumaidh tu \u00ecrean \u00e0rd-teas s\u00f2nraichte mar N42SH no N35EH.<\/li>\n<li><strong>Seasmhachd<\/strong> \u2013 Bidh an c\u00f2mhdach (nicil, epoxy, msaa) a\u2019 d\u00econ an aghaidh meirge, chan e an \u00ecre N fh\u00e8in \u2014 ach bu ch\u00f2ir magnetan nas \u00e0irde fhathast a l\u00e0imhseachadh gu faiceallach oir tha iad bristeil.<\/li>\n<\/ul>\n<p>Seo sealladh luath air \u00ecrean N cumanta agus d\u00e8 tha iad a\u2019 ciallachadh:<\/p>\n<table>\n<thead>\n<tr>\n<th><strong>\u00ccre<\/strong><\/th>\n<th><strong>BHmax (MGOe)<\/strong><\/th>\n<th><strong>Neart co-cheangailte<\/strong><\/th>\n<th><strong>Cleachdadh \u00e0bhaisteach<\/strong><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>N35<\/td>\n<td>33\u201335<\/td>\n<td>\u00c0bhaisteach<\/td>\n<td>Ealain-ghn\u00ecomhachasan, solais<\/td>\n<\/tr>\n<tr>\n<td>N42<\/td>\n<td>40\u201342<\/td>\n<td>L\u00e0idir<\/td>\n<td>Innealan, toraidhean luchd-cleachdaidh<\/td>\n<\/tr>\n<tr>\n<td>N48<\/td>\n<td>46\u201348<\/td>\n<td>L\u00e0idir gu math<\/td>\n<td>Motair, uidheamachd gn\u00ecomhachais<\/td>\n<\/tr>\n<tr>\n<td>N52<\/td>\n<td>50\u201353<\/td>\n<td>\u00c0bhaisteach as motha<\/td>\n<td>Clampaichean magnetach, dealbhadh teacsa<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Tha tuigse air \u00e0ireamhan N a' cuideachadh le bhith a' freagairt ceart <strong>\u00ecre magnet neodymium<\/strong> ris an fheum air doimhneachd tarraing, te\u00f2thachd obrach, agus tagradh. Tha taghadh na h-\u00e0ireamhaich cheart a' d\u00e8anamh cinnteach gu bheil thu a' faighinn coileanadh gun cus cosgais.<\/p>\n<h2>Mar a tha \u00ecre magnet a\u2019 toirt buaidh air coileanadh cleachdaidhean f\u00ecor-\u00f9ine<\/h2>\n<p>D\u00e8anadair magnet a' d\u00e8anamh eadar-dhealachadh m\u00f2r ann mar a tha magnet a' d\u00e8anamh, gu s\u00f2nraichte nuair a thig e gu neart, seasmhachd, agus freagarrachd airson obair sh\u00f2nraichte. Ann an R\u00ecoghachd Aonaichte, taghadh eadar-dhealaichte a' gabhail a-steach \u00ecrean st\u00e8idhichte air feumalachdan coileanadh agus suidheachaidhean obrach.<\/p>\n<p>Mar eisimpleir:<\/p>\n<ul>\n<li><strong>Motaran agus Gineadairean<\/strong> \u2013 \u00c0irde-\u00ecre neodymium mar <strong>N52<\/strong> gu tric a chleachdar airson dealbhadh teacsa a dh' fheumas torque as motha ann an \u00e0ite beag.<\/li>\n<li><strong>L\u00e0raich agus f\u00e8in-ghluasad<\/strong> \u2013 \u00ccrean nas \u00ecsle mar <strong>N35 no N38<\/strong> gu le\u00f2r airson mothachadh mionaideach gun a bhith ro l\u00e0idir airson buaidh a thoirt air p\u00e0irtean faisg air l\u00e0imh.<\/li>\n<li><strong>Se\u00f2rsan S\u00ecoladairean Magnetach<\/strong> \u2013 Dh\u2019fhaodadh sgaradairean gn\u00ecomhachais cleachdadh <strong>N42\u2013N50<\/strong> airson neart tarraing l\u00e0idir airson cuir \u00e0s do shl\u00e0inte meatailt air b\u00e0laichean c\u00f2mhdhail.<\/li>\n<li><strong>Electronics<\/strong> \u2013 Innealan mar luchd-labhairt, dr\u00e0ibhearan cruaidh, agus luchd-l\u00econ gun u\u00e8ir gu tric a\u2019 cleachdadh \u00ecrean N gn\u00e0thaichte airson \u00e8ifeachdas agus cuingealachdan meud.<\/li>\n<li><strong>Pr\u00f2iseactan DIY agus caitheamh<\/strong> \u2013 Dh\u2019fhaodadh luchd-d\u00e8anamh taghadh <strong>N35 no N42<\/strong> air a chleachdadh airson \u00e8ifeachdas cosgais nuair nach eil tarraing dh\u00f9thchasach riatanach.<\/li>\n<\/ul>\n<p>Tha freagairt an \u00ecre magnetach ris an tagradh na phr\u00ecomh dh\u00f2igh. Chan eil \u00e0bhaist N nas \u00e0irde an-c\u00f2mhnaidh nas fhe\u00e0rr\u2014gus a bhith ro l\u00e0idir dh\u2019fhaodadh e duilgheadasan l\u00e0imhseachaidh adhbhrachadh, tarraing rudan nach bu ch\u00f2ir, no eadhon sgrios uidheamachd. Tha an \u00ecre cheart a\u2019 cothlamadh neart tarraing, neart gauss, an aghaidh te\u00f2thachd, agus cosgais airson an obair a tha romhainn.<\/p>\n<h2>Factaran eile a\u2019 toirt buaidh air neart agus coileanadh magnet<\/h2>\n<p>Tha \u00ecre agus se\u00f2rsa magnet na chudromach, ach tha iad d\u00ecreach p\u00e0irt den sgeulachd. Bidh grunn eilean a\u2019 cluich p\u00e0irt mh\u00f2r ann mar a bhios magnet l\u00e0idir ann an cleachdadh f\u00ecor-shaoghal.<\/p>\n<p><strong>1. Meud agus Cruth<\/strong><\/p>\n<ul>\n<li>Mar as motha na magnetan, is ann as motha an neart tarraing oir tha barrachd stuth a\u2019 d\u00e8anamh an raon.<\/li>\n<li>Tha cruth a\u2019 toirt buaidh air mar a tha an raon air a sgaoileadh. Mar eisimpleir, cha bhi disc tana a\u2019 tarraing mar an ceudna ri block tiugh, eadhon ged a tha iad aig an aon \u00ecre.<\/li>\n<\/ul>\n<p><strong>2. C\u00f2mhdach<\/strong><\/p>\n<ul>\n<li>Tha c\u00f2mhdach (mar nickel, epoxy, no rubair) a\u2019 d\u00econ magnetan bho reothadh agus sg\u00e0ineadh corporra, gu s\u00f2nraichte neodymium a dh\u2019fhaodadh a bhith a\u2019 corrachadh gu furasta.<\/li>\n<li>Ged nach eil an c\u00f2mhdach a\u2019 meudachadh neart magnetach, faodaidh e cuideachadh le bhith a\u2019 cumail suas coileanadh thar \u00f9ine le casg a chur air milleadh.<\/li>\n<\/ul>\n<p><strong>3. \u00ccrean Te\u00f2thachd<\/strong><\/p>\n<ul>\n<li>Tha gach magnet le te\u00f2thachd obrach as \u00e0irde. Nuair a thig e ro theth, dh\u2019fhaodadh e a bhith a\u2019 call neart\u2014gu h-\u00e0raidh gu maireannach.<\/li>\n<li>Chan eil \u00ecrean nas \u00e0irde an-c\u00f2mhnaidh a\u2019 ciallachadh nas \u00e0irde an aghaidh te\u00f2thachd. Mar eisimpleir, tha \u00ecrean \u00e0bhaisteach N de neodymium a\u2019 t\u00f2iseachadh a\u2019 call cumhachd aig mu 80\u00b0C (176\u00b0F), ach faodaidh \u00ecrean te\u00f2thachd \u00e0rd mar N35SH l\u00e0n chomas a bhith aca suas ri 150\u00b0C (302\u00b0F).<\/li>\n<\/ul>\n<p><strong>4. \u00c0rainneachd agus Cunnart Demagnetization<\/strong><\/p>\n<ul>\n<li>Faodaidh raointean magnetach an aghaidh l\u00e0idir, teas, no cuideam meacanaigeach trom a bhith a\u2019 call cuid no a h-uile magnetachd.<\/li>\n<li>Airson cleachdadh taobh a-muigh no fhad \u2018s a tha e fosgailte do uisge, tha c\u00f2mhdach d\u00econ-aimsire no stuthan a dh\u2019fhaodadh a bhith resistant ri corrachadh nas fhe\u00e0rr.<\/li>\n<\/ul>\n<p>Faodaidh cuimhneachadh nan factaran seo nuair a thaghas tu magnet do shlighe a sh\u00e0bhaileas tu bho bhith a\u2019 ceannach an se\u00f2rsa ce\u00e0rr airson do phr\u00f2iseact\u2014ge bith a bheil e airson inneal gn\u00ecomhachais, togail hobbidh, no innealan gn\u00e0thaichte.<\/p>\n<h2>Carson a thaghas tu stuthan magnetach c\u00e0ileachd NBAEM agus sti\u00f9ireadh bho e\u00f2laichean<\/h2>\n<p>Nuair a tha thu a\u2019 d\u00e8iligeadh ri magnetan, tha an \u00ecre cheart, neart tarraing, agus rangachadh gauss a\u2019 d\u00e8anamh a h-uile diofar. <strong>NBAEM<\/strong> tha raon iomlan de stuthan magnetach rim faighinn \u2013 bho <strong>neodymium (N35\u2013N52)<\/strong> gu ferrite, alnico, agus samarium cobalt, ann an diofar cruthan, meudan, agus c\u00f2mhdachan airson freagairtean eadar-dhealaichte.<\/p>\n<h3>Raon toraidh farsaing le \u00ecre agus se\u00f2rsa<\/h3>\n<p>Stocadh sinn magnetan airson toraidhean caitheamh aotrom gu fad-\u00f9ine <strong>cleachdadh gn\u00ecomhachais agus innleadaireachd<\/strong>. Tha roghainnean a\u2019 gabhail a-steach:<\/p>\n<ul>\n<li><strong>Maighneatan Neodymium<\/strong> \u2013 neart tarraing \u00e0rd, meud beag<\/li>\n<li><strong>Magnetan ferrite<\/strong> \u2013 cosg-\u00e8ifeachdach, resistant do sg\u00e0ineadh<\/li>\n<li><strong>Magnetan Alnico<\/strong> \u2013 seasmhachd te\u00f2thachd s\u00e0r-mhath<\/li>\n<li><strong>Cobalt samarium<\/strong> \u2013 neart \u00e0rd, resistant do te\u00f2thachd extreme<\/li>\n<\/ul>\n<table>\n<thead>\n<tr>\n<th>Se\u00f2rsa Magnet<\/th>\n<th>\u00ccrean \u00e0bhaisteach<\/th>\n<th>Buannachdan Pr\u00ecomh<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Neodymium<\/td>\n<td>N35\u2013N52<\/td>\n<td>Neart tarraing as \u00e0irde, meud beag<\/td>\n<\/tr>\n<tr>\n<td>Ferrite<\/td>\n<td>Y30\u2013Y35<\/td>\n<td>Cosg-\u00e8ifeachdach, gun rust<\/td>\n<\/tr>\n<tr>\n<td>Alnico<\/td>\n<td>Alnico 5\u20138<\/td>\n<td>Seasmhachd te\u00f2thachd \u00e0rd<\/td>\n<\/tr>\n<tr>\n<td>Samarium Cobalt<\/td>\n<td>18\u201332 MGOe<\/td>\n<td>Freagairtean te\u00f2thachd &amp; sg\u00e0ineadh<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>Smachd c\u00e0ileachd agus gn\u00e0thachadh<\/h3>\n<p>Tha NBAEM a\u2019 cur f\u00f2cas m\u00f2r air <strong>smachd teann air tolerance<\/strong> agus <strong>neart magnetach cunbhalach<\/strong>. Tha gach bachd air a dhearbhadh airson neart tarraing agus gauss gus coinneachadh ris an speisealachadh. Bidh sinn cuideachd a\u2019 tabhann <strong>cruthan gn\u00e0thaichte, meudan, agus c\u00f2mhdach<\/strong> mar sin tha do mhagnat deiseil airson do thagraidhean sa bhogsa, ge bith a bheil e airson <strong>motair, sensor, sgaradair magnetach, no pr\u00f2iseact DIY<\/strong>.<\/p>\n<h3>Sti\u00f9ireadh bho e\u00f2laichean airson a\u2019 magnet cheart a thaghadh<\/h3>\n<p>Chan eil ceartachadh magnetan d\u00ecreach mu dheidhinn a\u2019 taghadh an N \u00e0ireamh as \u00e0irde. Bidh sinn ag obair c\u00f2mhla riut gus freagairt a thoirt do:<\/p>\n<ul>\n<li><strong>\u00ccre magnet<\/strong> neart agus cosgais<\/li>\n<li><strong>Neart tarraing<\/strong> ris an luchd-gi\u00f9lain no na feumalachdan cumail suas agad<\/li>\n<li><strong>\u00ccrean gauss<\/strong> ris an cruinneas a dh\u2019fheumas do dhreuchd<\/li>\n<li><strong>C\u00f2mhdach agus cruth<\/strong> ris an \u00e0rainneachd obrach agus seasmhachd<\/li>\n<\/ul>\n<p>Le <strong>NBAEM<\/strong>, chan eil thu a\u2019 gabhail amharas \u2013 gheibh thu stuthan deuchainnichte, rangachadh, agus deiseil airson d\u00e8anamh cinnteach gu bheil iad a\u2019 d\u00e8anamh d\u00ecreach mar a dh\u2019fheumas tu.<\/p>\n<h2>Ceistean Cumanta Ceistean<\/h2>\n<h3>D\u00e8 a tha \u00e0ireamh N a\u2019 sealltainn mu dheidhinn neart<\/h3>\n<p>Is e an <strong>\u00e0ireamh N seo<\/strong> innse dhut \u00ecre magnet neodymium agus a\u2019 buntainn gu d\u00ecreach ri a\u2019 chinneasachd as \u00e0irde de chinneasachd l\u00f9th (<strong>BHmax<\/strong>). Tha N \u00e0ireamh nas \u00e0irde a\u2019 ciallachadh gum faod am magnet st\u00f2radh barrachd l\u00f9th magnetach. Mar eisimpleir, <strong>N35<\/strong> tha l\u00e0idir, ach <strong>N52<\/strong> a\u2019 toirt barrachd chumhachd anns an aon mheud. Cuimhnich nach eil an \u00e0ireamh a\u2019 ciallachadh meud corporra\u2014dh\u2019fhaodadh d\u00e0 mhagnat de dhiofar \u00ecrean ach an aon mheud a bhith gu math eadar-dhealaichte ann an neart.<\/p>\n<h3>D\u00e0imh eadar meud magnet tarraingidh agus \u00ecre<\/h3>\n<p><strong>Neart tarraing<\/strong> a\u2019 buntainn ri d\u00e0 chuid an \u00ecre agus na meudan corporra den mhagnat. Bidh magnetan m\u00f2ra le \u00ecrean N \u00e0rd a\u2019 gineadh an neart tarraing as motha. Mar eisimpleir:<\/p>\n<ul>\n<li>Faodaidh disc N52 beag a bhith nas tarraingiche na disc N35 nas motha.<\/li>\n<li>Faodaidh d\u00f9bhlan meud agus \u00e0rdachadh na h-\u00ecre meudachadh gu m\u00f2r an \u00e8ifeachdas tarraing.<br \/>\nNuair a bhios tu a\u2019 taghadh, freagair an \u00e8ifeachdas tarraing ris an taghadh agad\u2014dh\u2019fhaodadh cus neart d\u00e8anamh l\u00e0imhseachadh no toirt air falbh duilich.<\/li>\n<\/ul>\n<h3>A\u2019 cleachdadh tomhas gauss airson magnetan a choimeas<\/h3>\n<p><strong>Gauss<\/strong> tomhas l\u00e0n-chumhachd raon magnetach aig an uachdar. A <strong>meatair gauss<\/strong> thoir seachad leughadh d\u00ecreach as urrainn dhut a chleachdadh airson coimeas. Just cuimhnich:<\/p>\n<ul>\n<li>Bidh \u00ecrean nas \u00e0irde gu tric a\u2019 nochdadh gauss uachdar nas \u00e0irde air magnet den aon mheud.<\/li>\n<li>Cruth, c\u00f2mhdach, agus astar tomhais a\u2019 toirt buaidh air leughadairean.<br \/>\nMa tha thu a\u2019 coimeas magnets airson pr\u00f2iseact, tomhais iad anns an aon d\u00f2igh airson toraidhean ceart.<\/li>\n<\/ul>\n<h3>Buaidh te\u00f2thachd agus c\u00f2mhdach air coileanadh magnet<\/h3>\n<p>Faodaidh teas agus \u00e0rainneachd d\u00e8anamh atharrachadh air coileanadh magnet:<\/p>\n<ul>\n<li>Tha m\u00f2ran de \u00ecrean \u00e0rd mar N52 a\u2019 call neart nas luaithe fo te\u00f2thachd \u00e0rd.<\/li>\n<li>Airson seasamh nas fhe\u00e0rr an aghaidh te\u00f2thachd \u00e0rd, lorg \u00ecrean s\u00f2nraichte (e.g., N42SH no N35EH).<\/li>\n<li><strong>C\u00f2mhdach<\/strong> mar nickel-copper-nickel no epoxy a\u2019 d\u00econ an aghaidh reothadh agus chipping, gu s\u00f2nraichte ann an suidheachaidhean a-muigh no taise.<br \/>\nTaghadh an te\u00f2thachd ceart agus c\u00f2mhdach a\u2019 leudachadh beatha na magnet agus a\u2019 cumail coileanadh seasmhach.<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Ionnsaich mu na gr\u00ectheidean magnet, neart tarraing, neart gauss agus \u00e0ireamhan N gus am magnet ceart a thaghadh airson do thagraidh<\/p>","protected":false},"author":1,"featured_media":2043,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_mi_skip_tracking":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-2045","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"jetpack_featured_media_url":"https:\/\/nbaem.com\/wp-content\/uploads\/2025\/08\/Neodymium_Magnet_N_Grades_Guide_x0GfgyQrA.webp","_links":{"self":[{"href":"https:\/\/nbaem.com\/gd\/wp-json\/wp\/v2\/posts\/2045","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nbaem.com\/gd\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nbaem.com\/gd\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nbaem.com\/gd\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/nbaem.com\/gd\/wp-json\/wp\/v2\/comments?post=2045"}],"version-history":[{"count":1,"href":"https:\/\/nbaem.com\/gd\/wp-json\/wp\/v2\/posts\/2045\/revisions"}],"predecessor-version":[{"id":2050,"href":"https:\/\/nbaem.com\/gd\/wp-json\/wp\/v2\/posts\/2045\/revisions\/2050"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nbaem.com\/gd\/wp-json\/wp\/v2\/media\/2043"}],"wp:attachment":[{"href":"https:\/\/nbaem.com\/gd\/wp-json\/wp\/v2\/media?parent=2045"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nbaem.com\/gd\/wp-json\/wp\/v2\/categories?post=2045"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nbaem.com\/gd\/wp-json\/wp\/v2\/tags?post=2045"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}