{"id":3709,"date":"2026-03-03T07:32:46","date_gmt":"2026-03-03T07:32:46","guid":{"rendered":"https:\/\/nbaem.com\/?p=3709"},"modified":"2026-03-03T08:40:12","modified_gmt":"2026-03-03T08:40:12","slug":"what-magnet-are-used-in-magnetic-encoder","status":"publish","type":"post","link":"https:\/\/nbaem.com\/gd\/what-magnet-are-used-in-magnetic-encoder\/","title":{"rendered":"D\u00e8 na Magnets a tha air an Cleachdadh ann an Innealadar Magnetic a\u2019 sti\u00f9ireadh an Decoder Magnetic"},"content":{"rendered":"<h2>Stuthan pr\u00ecomh a tha air an cleachdadh ann an c\u00f2raichean \u00ecomhaighean magnetach<\/h2>\n<p>Tha roghainn stuth-maghnais m\u00ec-dh\u00ecreach a\u2019 bh\u00f2id\u00ecse as luaithe gus fuaim shianal a bhualadh no gole-beatha iomlan a thogail ann an co-ph\u00e0irteachadh mothachaidh. Bidh sinn ag obair air ceithir stuthan pr\u00ecomh gus cinn-luath mu dheireadh \u00e0rd a dhol a-steach <strong>mullach roth-d\u00e0 dhual<\/strong>, a\u2019 freagairt <strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Remanence\" target=\"_blank\" rel=\"noopener\">F\u00e0illigeadh<\/a> (Br)<\/strong> agus <strong>Coercivity (Hc)<\/strong> gus coinneachadh ri iarrtasan tagraidh s\u00f2nraichte.<\/p>\n<ul>\n<li><strong>NdFeB neo-gn\u00e0thaichte (NdFeB):<\/strong> Seo e ar roghainn as fhe\u00e0rr airson ioma-sruth \u00e0rd. Le bhith a\u2019 cleachdadh \u00ecre \u00e0rd de <strong>NdFeB neo-gn\u00e0thaichte<\/strong> (mar <strong>N42SH<\/strong>), tha sinn a\u2019 d\u00e8anamh tuiteam m\u00f2r fuair-adhair a tha a\u2019 cumail sgle\u00f2in na shianal eadhon le toirmeasan <strong>cosgaidean adhair farsainge<\/strong>.Tha e na inbhe na gn\u00ecomhachais airson <strong>maighstirean talmhainn tearc<\/strong> far am bheil beagadh meud agus neart as \u00e0irde nach gabh aontachadh le ach<\/li>\n<li><strong>Samarium Cobalt (SmCo):<\/strong> Tha sinn a\u2019 m\u00f9ineachadh SmCo airson \u00e0rainneachdan far am bi sleamhnadh teirmeach na phearadh. Le co-chuineachadh <strong>te\u00f2thachd<\/strong>, bidh na magnetan sin ag obair gu cunbhalach aig <strong>180\u00b0C<\/strong> agus fhathast \u00e0s d\u00e8idh sin gun cunnart de-magnachadh maireannach.<\/li>\n<li><strong>Ferrite (Seramic):<\/strong> Air iarrtas luath aig cosgais, <strong>f\u00econadh ferrite a tha air a mh\u00fanadh le d\u00f2igh-l\u00e0imhe<\/strong> a\u2019 toirt fuasgladh seasmhach, resistant r\u00f2in. Ged a tha e a\u2019 tabhann flux nas \u00ecsle na roghainnean tre\u00f2rachdan be\u00f2-th\u00f9s na h-\u00f9in\u00e9ir, tha e gu m\u00f2r \u00e8ifeachdach airson tagraidhean luchd-cleachdaidh \u00e0rd-shligheach far am bi buidseat na phr\u00ecomh chuingeachadh.<\/li>\n<li><strong>Magnets Cheangailte:<\/strong> Gus pauvreidhean ioma-p\u00f2l air leth casta no socrachadh meacanaigeach dl\u00f9th fhaighinn, cleachdaidh sinn stuthan ceangailte. Leig iad <strong>leotha a bhith cho math sa tha \u00e0ile-magnachaidh<\/strong> ann an f\u00ecor-dh\u00e8ilbhinnean, gu tric a\u2019 lughdachadh feum air uidheamachadh meataichte an d\u00e0rna \u00ecre.<\/li>\n<\/ul>\n<table>\n<thead>\n<tr>\n<th style=\"text-align: left;\">Se\u00f2rsa Stuth<\/th>\n<th style=\"text-align: left;\">Te\u00f2thachd Obrachaidh As \u00e0irde<\/th>\n<th style=\"text-align: left;\">Neart Magnetach<\/th>\n<th style=\"text-align: left;\">Buannachd Primirich<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"text-align: left;\"><strong>NdFeB (N42SH)<\/strong><\/td>\n<td style=\"text-align: left;\">150\u00b0C \u2013 180\u00b0C<\/td>\n<td style=\"text-align: left;\">Gu math \u00e0rd<\/td>\n<td style=\"text-align: left;\">an \u00ecre eadar na comharran agus fuaim as fhe\u00e0rr<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><strong>SmCo<\/strong><\/td>\n<td style=\"text-align: left;\">250\u00b0C \u2013 350\u00b0C<\/td>\n<td style=\"text-align: left;\">\u00c0rd<\/td>\n<td style=\"text-align: left;\">Seasmhachd teothail \u00e8ibhinn<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><strong>Ferrite<\/strong><\/td>\n<td style=\"text-align: left;\">250\u00b0C<\/td>\n<td style=\"text-align: left;\">\u00ccosal<\/td>\n<td style=\"text-align: left;\">c\u00ecs \u00ecosal \/ d\u00econ an aghaidh r\u00e8idhe<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><strong>Ceangailte<\/strong><\/td>\n<td style=\"text-align: left;\">120\u00b0C \u2013 150\u00b0C<\/td>\n<td style=\"text-align: left;\">Meadhanach<\/td>\n<td style=\"text-align: left;\">Cruthan iomaill \/ mionaideachd \u00e0rd<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Patrainichean Magnachadh agus Topology ann am fuasglaidhean magnetach<\/h2>\n<p>Tha taghadh na p\u00e0tran magnetachaidh ceart cho cudromach ri an stuth fh\u00e8in nuair a tha thu a\u2019 dearbhadh <strong>d\u00e8 an magnet a tha air a chleachdadh ann an leughadair magnetach<\/strong> siostaman. Bidh sinn a\u2019 cuimseachadh air mar a tha an raon-magnetachd ag eadar-obrachadh leis an <strong>sensor buannachd Hall<\/strong> no eileamaid AMR gus d\u00eclseachd na sgr\u00f9dadh a dhearbhadh gu h-earbsach.<\/p>\n<h3>Magnachadh diametrika airson mothachadh end-of-shaft<\/h3>\n<p>Air a\u2019 mh\u00f2r-chuid de choimpiutairean rothainneach \u00e0bhaisteach, tha sinn a\u2019 cleachdadh <strong>p\u00f2laisachadh diametrigeach<\/strong>. Anns an t-suidheachadh seo, tha am magnet poileasach air feadh a dheighsaid na r\u00ecghinn na a thig tro a dh\u00f2igh leathainn.<\/p>\n<ul>\n<li><strong>Tagradh:<\/strong> Tha seo na inbhe an gn\u00ecomhachais airson <strong>mothachadh end-of-shaft<\/strong>.<\/li>\n<li><strong>D\u00e8anadais:<\/strong> Tha e a\u2019 toirt seachad raon magnetach glan, sinusoidal a leigeas leis an sensor suidheachadh l\u00e0idir a st\u00e8idheachadh gu tur le fuaim sh\u00f2nraichte beag.<\/li>\n<\/ul>\n<h3>Magnets r\u00e8in ioma-she\u00f2il airson a' dhealbh \u00e0s \u00ecre eile<\/h3>\n<p>Nuair a bhios dealbhadh ag iarraidh sailean falamh\u2014\u00e0bhaisteach ann am camagan robotic m\u00f2ra no innleadaireachd trom\u2014bidh sinn a' gabhail gu <strong>magnetan f\u00e0inne ioma-pola<\/strong>. Tha nan roinnean seo ioma ph\u00f2laidh Thuailteach is Tenear air a\u2019 ch\u00f2mhdach na fearainn mun cuairt.<\/p>\n<ul>\n<li><strong>Gleusdaich:<\/strong> A\u2019 cur ris an \u00e0ireamh phola gus an d\u00econachadh nas motha a choileanadh <strong>mullach roth-d\u00e0 dhual<\/strong>.<\/li>\n<li><strong>Iomadachd:<\/strong> An blocks sin mar as trice as <a href=\"https:\/\/nbaem.com\/gd\/bonded-magnet-data-sheet\/\" target=\"_blank\" rel=\"noopener\">magnetan ceangailte<\/a> gus na geometrachadh casta agus tiugh-d\u00e0il st\u00e0bhlaidhean \u00e0rd airson mothachadh radial seach-\u00f9ine a-muigh<\/li>\n<\/ul>\n<h3>Radial an aghaidh Polarization Axial airson Fuaim-sg\u00e0in Sensor<\/h3>\n<p>Feumaidh an sti\u00f9ir air an fh\u00e0illge-mhaiseach freagairt ris an \u00e0ite sensor agad gus fuireach seasmhach <strong>dealachadh \u00e8ibhinn-gaoithe<\/strong>.<\/p>\n<ul>\n<li><strong>Polarization Radial:<\/strong> Tha loidhnichean an raoin-mhaiss aig a\u2019-chunnart a-mach \u00e0s a' mheadhan. Seo \u00e8iginneach airson sensors a tha suidheachadh sa thaobh (cuibhreann) den meatair rothlach.<\/li>\n<li><strong>Polarization Axial:<\/strong> Tha na poilean suidhichte air na h-ionnsaighean r\u00e8idh den chuibhreann. Tha seo nas fhe\u00e0rr nuair a tha an sensor suidheachadh co-sh\u00ecnte ris a\u2019 pholl.<\/li>\n<\/ul>\n<p>Le bhith a\u2019 optimiseachadh nan topologyean sin, tha sinn a\u2019 lughdachadh ann an cr\u00econadh a duais toirmeasgail <strong>de chaochladh-uair-sg\u00e0thachaidh<\/strong> agus dearbhaich an <strong>leotha a bhith cho math sa tha \u00e0ile-magnachaidh<\/strong> bi a-staigh nan atharrachaidhean a tha a dh\u00ecth agat airson earbsa ann an comas-gnothaichean sa ghn\u00ecomhachas.<\/p>\n<h2>Cruinneachadh Teicnigeach airson Magnetaichean Encoder Magnetic<\/h2>\n<p>Taghadh an magnet ceart airson encoder chan eil e d\u00ecreach mu neart; tha e mu mar a tha an neart sin a\u2019 cumail suas fo st\u00e0thachas na l\u00e0ithean f\u00ecor-ghn\u00ecomh. Bidh sinn a\u2019 cothromachadh ceithir factaran teignigeach cudromach gus d\u00e8anamh cinnteach gu bheil agad <strong>Sensors buaidh Hall<\/strong> noAMR sensors a\u2019 cur d\u00e0ta earbsach gun sleagh siostam siostam.<\/p>\n<h3>Seasmhachd Teirmeach agus Remanence<\/h3>\n<p>Tha te\u00f2thachd na teth na n\u00e0imhdeachd do mh\u00ecneachadh magnetach. Tha gach stuth a\u2019 gabhail a-steach luachan s\u00f2nraichte <strong>Co-mheas Te\u00f2thachd de Remanence (Br)<\/strong>, a\u2019 sti\u00f9ireadh cho m\u00f2r de sholar flux as coltas as tuiteas nuair a bhios an motar ag teasachadh. Air iarrtasan a tha a\u2019 ruighinn \u00e0rainneachdan s\u00f2nraichte, bidh sinn a\u2019 cleachdadh <a href=\"https:\/\/nbaem.com\/gd\/high-temperature-magnets\/\">magnetan te\u00f2thachd \u00e0rd<\/a> gu casg a' demagnetization maireannach agus gus sti\u00f9ireadh seasmhach a choinneachadh <strong>Coercivity (Hc)<\/strong>.<\/p>\n<h3>Rianachd B\u00e0r Farachd agus L\u00e0n-nea mac<\/h3>\n<p>An t-astar eadar an magnet agus an sensar\u2014an <strong>dealachadh \u00e8ibhinn-gaoithe<\/strong>\u2014gu d\u00ecreach a\u2019 d\u00e8anamh buaidh air d\u2019 <strong>mullach roth-d\u00e0 dhual<\/strong>.<\/p>\n<ul>\n<li><strong>Goireasan Air Beag:<\/strong> Cuir ri magnetan \u00ecosal no pr\u00f2ifidhean nas tana.<\/li>\n<li><strong>Goireasan Air M\u00f2ra:<\/strong> Feumaidh stuthan le \u00e0rd <strong>F\u00e0illigeachd (Br)<\/strong>, mar eisimpleir <strong>NdFeB neo-gn\u00e0thaichte<\/strong>, gus raon farsaingeachd gu le\u00f2r a thaobh na h-insiuir gu l\u00e8ir fhaicinn.<\/li>\n<\/ul>\n<h3>Seasmhachd Innealan: Sintered vs. Bonded<\/h3>\n<p>Tha an d\u00f2igh saothrachaidh a\u2019 dearbhadh cr\u00ecochan corporra agus toradh mataraidhean na magnet.<\/p>\n<table>\n<thead>\n<tr>\n<th style=\"text-align: left;\">Feart<\/th>\n<th style=\"text-align: left;\">Magnets sintered<\/th>\n<th style=\"text-align: left;\">Magnetan Bonded<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"text-align: left;\"><strong>Toradh Magnatach<\/strong><\/td>\n<td style=\"text-align: left;\">\u00c0irde as \u00e0irde (Flux as fhe\u00e0rr)<\/td>\n<td style=\"text-align: left;\">Meadhanach<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><strong>C\u00f2mplexachd cruth<\/strong><\/td>\n<td style=\"text-align: left;\">Cuingealaichte ( Dealbhaidhean s\u00ecmplidh )<\/td>\n<td style=\"text-align: left;\">\u00c0rd (balla-innealachadh)<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><strong>Seasmhachd<\/strong><\/td>\n<td style=\"text-align: left;\">Gusda (Feumaidh aodachadh)<\/td>\n<td style=\"text-align: left;\">Duath (maoin-rachdaichte polyair)<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><strong>Maiseachd \/ Freagaineachd<\/strong><\/td>\n<td style=\"text-align: left;\">Feum air gr\u00ecneadh<\/td>\n<td style=\"text-align: left;\">\u00c0rd-iomlanachd (Figura net)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>Co-fhreagarachd magnetic agus mhearachd ceum<\/h3>\n<p>Gus minimalachadh <strong>de chaochladh-uair-sg\u00e0thachaidh<\/strong> ann an conaltradh bogsaiches, feumaidh an f\u00e8in-dheuchainn a bhith foirfe. Bidh sinn a\u2019 cur pr\u00ecomhachas air <strong>leotha a bhith cho math sa tha \u00e0ile-magnachaidh<\/strong> r\u00e8 a bhith a\u2019 d\u00e8anamh. Ma tha na poill magnetach sgaoilte gu m\u00ec-shiostamach, tha na sensorachan ag aithris \u201cjitter,\u201d a\u2019 leantainn gu suidheachadh \u00e0rd-inntinneach. Le bhith d\u00e8anamh cinnteach gu bodhaigeachd <a href=\"https:\/\/nbaem.com\/gd\/magnetization-and-demagnetization-for-permanent-magnet\/\" target=\"_blank\" rel=\"noopener\">magnetachadh agus demagnetachadh<\/a> inntinneachd, bheir sinn seachad an aonachd a tha a dh\u00ecth airson f\u00e8in-ghluasad-luathachadh gn\u00ecomh-mhonadaireachd.<\/p>\n<h2>Coimeas stuthan airson Magnainteachadh Magnets<\/h2>\n<p>Tha taghadh an stuth ceart airson magnetairean feumach air cothromachadh mionaideach eadar <strong>F\u00e0illigeachd (Br)<\/strong>, t\u00e8arainteachd te\u00f2thail, agus buidseat. Ged a tha <strong>NdFeB neo-gn\u00e0thaichte<\/strong> a\u2019 tabhann an t-solas as \u00ecsle airson dealbhadhan beag, iarrtasan ann an \u00e0rainneachd shreataichte feumaidh stuthan le cortaiche \u00e0rd nas fhe\u00e0rr <strong>te\u00f2thachd<\/strong>.<\/p>\n<p>Tha sinn a\u2019 toirt seachad diofar rangachadh a tha s\u00f9bailte airson feumalachdan gn\u00ecomhachais s\u00f2nraichte. Air pr\u00f2iseactan a tha a\u2019 fuireach ann an te\u00f2thachd \u00e0rd, ar <a href=\"https:\/\/nbaem.com\/gd\/products\/samarium-cobalt-magnets\/\">magnets Samarium Cobalt \u00e0rd-st\u00e0thaichte<\/a> d\u00e8anamh cinnteach gu bheil an raon-maghnais ag obair gu seasmhach eadhon nuair a chaithear te\u00f2thachdan gu h-\u00e0irde.<\/p>\n<h3>Mion-sgr\u00f9dadh D\u00e8anadais Teicnigeach<\/h3>\n<table>\n<thead>\n<tr>\n<th style=\"text-align: left;\">Stuth Magnet<\/th>\n<th style=\"text-align: left;\">Te\u00f2thachd Obrachaidh As \u00e0irde<\/th>\n<th style=\"text-align: left;\">D\u00f2igh Fliuch (L\u00e0idir)<\/th>\n<th style=\"text-align: left;\">Cosgais co-theachdail<\/th>\n<th style=\"text-align: left;\">C\u00f9is cleachdaidh as fhe\u00e0rr<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"text-align: left;\"><strong>Neodimead (NdFeB)<\/strong><\/td>\n<td style=\"text-align: left;\">80\u00b0C \u2013 230\u00b0C<\/td>\n<td style=\"text-align: left;\">Gu math \u00e0rd<\/td>\n<td style=\"text-align: left;\">Meadhanach\/\u00c0rd<\/td>\n<td style=\"text-align: left;\">-l\u00e0mhan-ghluasad \u00e0rd-reothadh<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><strong>Samarium Cobalt (SmCo)<\/strong><\/td>\n<td style=\"text-align: left;\">250\u00b0C \u2013 350\u00b0C<\/td>\n<td style=\"text-align: left;\">\u00c0rd<\/td>\n<td style=\"text-align: left;\">\u00c0rd<\/td>\n<td style=\"text-align: left;\">Cosnaidhean \u00e8adhair agus suaineachadh ann an tantainnean-\u00ecosal<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><strong>Ferrite (Ceramic)<\/strong><\/td>\n<td style=\"text-align: left;\">250\u00b0C<\/td>\n<td style=\"text-align: left;\">\u00ccosal<\/td>\n<td style=\"text-align: left;\">Guanntas-\u00ecosal gu math<\/td>\n<td style=\"text-align: left;\">mothachadh luaths ann am c\u00e0r<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><strong>Magnetan Bonded<\/strong><\/td>\n<td style=\"text-align: left;\">120\u00b0C \u2013 150\u00b0C<\/td>\n<td style=\"text-align: left;\">Meadhanach<\/td>\n<td style=\"text-align: left;\">Meadhanach<\/td>\n<td style=\"text-align: left;\">Cruthan crios ioma-p\u00f2la toinnte<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<h3>Doimhneachd innleadaireachd a thaghadh<\/h3>\n<ul>\n<li><strong>Cosgais \u00e8ifeachdais:<\/strong> <strong>Ferrite<\/strong> bhiodh e an-c\u00f2mhnaidh na rud ann an cuingeachadh m\u00f2r air \u00e0rd-ch\u00f2rdadh-\u00e8adhair luchd-cleachdaidh far nach eil mionaideachd air a dhol air mullach.<\/li>\n<li><strong>Coileanaidh as fhe\u00e0rr:<\/strong> <strong>NdFeB neo-gn\u00e0thaichte<\/strong> a\u2019 tabhann an \u00ecre as l\u00e0idire de cheangal tighinn-ruinn agus fuaim, a\u2019 leigeil le barrachd <strong>dealachadh \u00e8ibhinn-gaoithe<\/strong> ann an tiogaidean encoder c\u00f2mhdaichte.<\/li>\n<li><strong>Urras Teothachd-earbsa:<\/strong> Ma tha do chuibhreann fhortachd air a chur d\u00ecreach air an leth-mh\u00ecn-ghi\u00f9lain \u00e0rd-gh\u00e8idinn, Tha SmCo riatanach gus call comharra no \u201cf\u00e0iligeadh\u201d a sheachnadh air sg\u00e0th de-magnetachadh-teasachaidh.<\/li>\n<li><strong>Slaodachadh dealbhadh:<\/strong> <strong>Magnetan ceangailte<\/strong> leigeas sinn dhut cruthan mionaideach agus cuimhneachan tana a chruthachadh nach urrainn a bhith air a choileanadh le s\u00e8ineachadh traidiseanta.<\/li>\n<\/ul>\n<h2>Dreachachadh cumadhachadh agus factaraan cuingeach a tha cumanta airson magnets sheirbheis-imriche-inntinn<\/h2>\n<p>Tha cruthfh\u00ecneadh fiseaigeach de magnet a\u2019 dearbhadh mar a tha e ag obrachadh leis an sensor agus a\u2019 freagairt a-steach don cho-dh\u00f2igh meacanaigeach agad. Nuair a thagraicheas tu <strong>d\u00e8 am magnet a thathas a\u2019 cleachdadh ann an tonnachadh magnetach<\/strong> a applications, tha an taghadh mar as trice a\u2019 dol ann an tr\u00ec roinnean pr\u00ecomhacho st\u00e8idhichte air an structair mothachaidh.<\/p>\n<hr \/>\n<h3>Magnets Disg airson mothachadh eile-ama-fharpaill<\/h3>\n<p>Tha magnets disg na roghainn inntinneil airson an Sinnis leigheis cumanta. Suidhe agad aig deireadh sgill-mh\u00f2ineachaidh a th\u00e8id a chleachdadh le magnets seo gu tric <strong>p\u00f2laisachadh diametrigeach<\/strong>.<\/p>\n<ul>\n<li><strong>As fhe\u00e0rr airson:<\/strong> M\u00f2ran agus gluasadairean beag BLDC.<\/li>\n<li><strong>Pr\u00ecomh bhuannachd:<\/strong> Co-thaobhadh s\u00ecmplidh le bhith a\u2019 <strong>sensor buannachd Hall<\/strong> or <strong>AMR<\/strong> chip a tha placeachadh d\u00ecreach an aghaidh na h-aodann magnets.<\/li>\n<li><strong>Stuth:<\/strong> Tronntach <strong>NdFeB neo-gn\u00e0thaichte<\/strong> airson \u00e0rd <strong>feumachadh (Br)<\/strong> ann an \u00e0iteachan tiugh.<\/li>\n<\/ul>\n<h3>Magnets \u00e8isime l\u00econaidh na r\u00e8ine airson mothachadh taobh-l\u00e0imh<\/h3>\n<p>Airson iarrtasan leithid goireasan m\u00f2ra dicinn mechanical no m\u00f2ran \u00f2rd-\u00e0raich, a <strong>magnet r\u00e8in multipole<\/strong> tha feum air. Tha seo air a chuir suas timcheall a\u2019 ph\u00ecos sruth na h-\u00f2rd na \u00e0ite na \u00e0ite aig a\u2019 cheann.<\/p>\n<ul>\n<li><strong>Stoidhle mothachaidh:<\/strong> Mothachadh radial no axis far a bheil an tuigseadair a\u2019\u201cleughadh\u201d na poill mar a tha iad a\u2019 toirt thairis.<\/li>\n<li><strong>Gleusdaich:<\/strong> \u00c0ireamh r\u00e9iteachadh \u00e0rd a\u2019 d\u00e8anamh nas fhe\u00e0rr gu m\u00f2r <strong>mullach roth-d\u00e0 dhual<\/strong>.<\/li>\n<li><strong>G\u00e8illidhean:<\/strong> D\u00f9thcha sinn <strong>f\u00econadh ferrite a tha air a mh\u00fanadh le d\u00f2igh-l\u00e0imhe<\/strong> no maol-adhairt NdFeB gus pateranan ioma-p\u00f2l toiseach fhaighinn a tha a\u2019 cumail ri rigor <strong>leotha a bhith cho math sa tha \u00e0ile-magnachaidh<\/strong>.<\/li>\n<\/ul>\n<h3>Rabhadan Magnetach airson Encoders Loidhneach<\/h3>\n<p>Ann an smachd gluasad loidhneach, tha magnetan air an toirt seachad ann an slighean s\u00f9bailte no seasmhach. Tha na h-uidheamaichte seo a\u2019 cumail susbaint p\u00e0irtean \u00e0rd-\u00ecomhaigh eadar na poill thall is tuath fad an trateig.<\/p>\n<ul>\n<li><strong>Tagraidhean:<\/strong> \u00ecrean CNC, se\u00f2ididhean-luibsinn agus f\u00e8in-fhathastachd choimheachail.<\/li>\n<li><strong>Urras:<\/strong> Tha na slighean seo a\u2019 sealltainn gu math <strong>dealachadh \u00e8ibhinn-gaoithe<\/strong>, a\u2019 d\u00e8anamh cinnteach gu bheil an \u00ecre-sgr\u00ecobhaig glan eadhon le gealaidhean beag teann.<\/li>\n<\/ul>\n<hr \/>\n<h3>Cruth agus tagradh<\/h3>\n<table>\n<thead>\n<tr>\n<th style=\"text-align: left;\">Cuimhneachadh Cruth<\/th>\n<th style=\"text-align: left;\">Polarachadh Pr\u00ecomh<\/th>\n<th style=\"text-align: left;\">Tagradh cumanta<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"text-align: left;\"><strong>Diosc<\/strong><\/td>\n<td style=\"text-align: left;\">Diametrigeach<\/td>\n<td style=\"text-align: left;\">Freagadh motair aotrom<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><strong>F\u00e0inne<\/strong><\/td>\n<td style=\"text-align: left;\">Ioma-p\u00f2l (Radial\/Axial)<\/td>\n<td style=\"text-align: left;\">Ro-bhuidhnean agus shaftan fuar<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><strong>Str\u00ecp<\/strong><\/td>\n<td style=\"text-align: left;\">L\u00econran ioma-p\u00f2la<\/td>\n<td style=\"text-align: left;\">Sc\u00e0ileatan iolaigeach &amp; Rianadairean<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Anns a\u2019 bh\u00f9th dh\u00f2igh agus anns a\u2019 bhad-bh\u00f9tha, ar <a href=\"https:\/\/nbaem.com\/gd\/in-home-alliance\/\">comann ann an-dachaigh<\/a> d\u00e8anamh-dhaingear cuir gu dearbh gu bheil na cruthan eadar-dhealaichte seo a\u2019 cur an c\u00f2mhair an leaghan cofhurtail a tha riatanach airson smachd motar \u00e0rd-mhinice. Ge bith an e cl\u00f2 beag airson motar drone no c\u00e8is mh\u00f2r airson g\u00e8ibh\/arm gn\u00ecomhachais a th\u2019 ann, bidh sinn a\u2019 optimachadh a\u2019 fheart fuasglaidh gus an fheum air coimpiutair-bun-thaobhach a lughdachadh <strong>de chaochladh-uair-sg\u00e0thachaidh<\/strong>.<\/p>\n<h2>D\u00e8anamh ghn\u00e0thach NBAEM airson innleadairean magnetach<\/h2>\n<p>Nuair a th\u00e8id co-dh\u00f9nadh <strong>d\u00e8 am magnet a thathas a\u2019 cleachdadh ann an tonnachadh magnetach<\/strong> an siostaman, is e tagradh a\u2019 stuth d\u00ecreach t\u00f2iseachadh. Ann an NBAEM, bheir sinn earrann-theicnigeach tro bhailteil-mheasaidh cuairt magnetach agus proto-ceartan ne\u00f2nach luath. Bidh sinn a\u2019 d\u00e8anamh cinnteach gum bi do bhuannachd mothachaidh a\u2019 ruighinn na far-aon seach-\u00f9ine ro l\u00e0imh a th\u00f2isicheas tu air saothrachadh m\u00f2r, a\u2019 s\u00e0bhaladh \u00f9ine agus a\u2019 lughdachadh cosgaisean leasachaidh.<\/p>\n<h3>Deuchainnean adhartach agus aon-fhoghlam tuiteamach<\/h3>\n<p>Tha mothadh \u00e0rd-reothadh ag iarraidh seasmhachd achtrainn. Cleachdamaid teicne\u00f2las sganachaidh adhartach gus dearbhadh <strong>leotha a bhith cho math sa tha \u00e0ile-magnachaidh<\/strong>, gu h-\u00e8ifeachdach a\u2019 lughdachadh mearachd-che\u00e0rnan a tha gu tric a\u2019 creidsinn air na comharran \u00ecosal-teann.<\/p>\n<ul>\n<li><strong>Gaintachadh Gn\u00e0thaichte:<\/strong> M\u00f2ran-d\u00e8\u00f2ir FEA gus co-theacsa eadar-dhealaichte \u00e8adhar agus tiugh-fhuasgadh sruth a optimize<\/li>\n<li><strong>Magnetachadh mionaideach:<\/strong> Fi\u00f9saichean fh\u00e8in-\u00f9ine airson co-chomhairleadh multipole agus deimhridhe diametric foirfe.<\/li>\n<li><strong>Cothromachadh C\u00e0ileachd:<\/strong> Deuchainnean d\u00ecomhaireachd agus easbhaidhean eadar-laigheachd meadhan-maighnteach gu cruaidh.<\/li>\n<\/ul>\n<h3>Solarachadh Earbsach Sluighechain airson D\u00e8anadairean<\/h3>\n<p>Mar sholarachadh s\u00f2nraichte <strong><a href=\"https:\/\/nbaem.com\/gd\/nbaem-your-best-neodymium-magnet-supplier-from-china-5\/\" target=\"_blank\" rel=\"noopener\">neodymium magnet solaraiche bho China<\/a><\/strong>, tha sinn a\u2019 ciallachadh air earbsachd shluighechain fad-\u00f9ine. Bidh sinn a\u2019 tuigsinn gun iarr buill-d\u00e8antaothan anns na factaraidhean barrachd na d\u00ecreach p\u00e0irt; tha iad mar chom-p\u00e0irtiche a tha a\u2019 gealltainn co-thaobhadh stuth ann am poca gach latha. Ge bith an iarr thu NdFeB sintered no cruthan bondach ch\u00f2mhdaichte, tha ar n\u2011\u00e0itreabh a\u2019 d\u00e8namh iarrtasan m\u00f2r le na cr\u00edochan meacanaigeach as teann sa ghn\u00ecomhachas.<\/p>\n<h2>Ceistean Cumanta: D\u00e8 an magnet a thathas a\u2019 cleachdadh ann an siostaman encoder magnetach?<\/h2>\n<p>Tha taghadh an eileamaid magnetach ceart na cheum as cudromaiche ann an d\u00e8anamh mothachadh agus mairsinneachd. St\u00e8idhichte air mo dheuchainn ann am factaraidhean gn\u00e0thaichte, is e na ceistean as cumanta a asks nan innleadairean nuair a tha iad a\u2019 dearbhadh <strong>d\u00e8 am magnet a thathas a\u2019 cleachdadh ann an tonnachadh magnetach<\/strong> tagraidhean.<\/p>\n<h3>D\u00e8 an \u00ecre magnet as fearr airson encoderan teothachd \u00e0rd?<\/h3>\n<p>Air son \u00e0rainneachdan a tha nas \u00e0irde na 150\u00b0C, tha mi a\u2019 moladh <strong>Samarium Cobalt (SmCo)<\/strong> no l\u00econadh \u00e0rd-dhaoineachd <strong>NdFeB neo-gn\u00e0thaichte<\/strong>. Tha na <strong>maighstirean talmhainn tearc<\/strong> air a thaghadh airson a\u02bc mhathas nas fhe\u00e0rr <strong>Coercivity (Hc)<\/strong> agus \u00ecosal <strong>te\u00f2thachd<\/strong>, a \u2019d\u00e8anamh cinnteach gur apprentice an raon-mhaireannach fhathast maireannach fi\u00f9 's fo cuideam teirmeachaidh st\u00e8idhichte.<\/p>\n<h3>Ciamar a tha an espresso sreath-d\u00f2igh a\u2019 toirt buaidh air m\u2019 encoder?<\/h3>\n<p>Is e an <strong>dealachadh \u00e8ibhinn-gaoithe<\/strong> gu d\u00ecreach a\u2019 d\u00e8anamh an d\u00e0imh \u00e0rd-\u00e8ifeachdach eadar comharran agus fuaim den sr\u00e0id <strong>sensor buannachd Hall<\/strong> or <strong>AMR (Anisotropic Magneto-Resistive)<\/strong> maireann. Tha einnsean-adhair nas motha a\u2019 toirt buaidh nas \u00ecsle air <strong>F\u00e0illigeachd (Br)<\/strong> air aghaidh an amharc, a dh\u2019fhaodadh jitter agus lughdachadh a th\u00e8urnadh <strong>mullach roth-d\u00e0 dhual<\/strong>. Tha e riatanach gu <a href=\"https:\/\/nbaem.com\/gd\/how-to-measure-magnet-strength\/\" target=\"_blank\" rel=\"noopener\">mothachadh neart nan samhlan<\/a> air a\u2019 cheann-obrach s\u00f2nraichte gus d\u00e8anamh cinnteach gu bheil tomhas an uachdar f\u00e8in-dh\u00e8anta a\u2019 coinneachadh ri riaghailtean as \u00ecsle a\u2019 bhranda.<\/p>\n<h3>Carson a tha polarachaidh diaim\u00e9adach nas fhe\u00e0rr airson innersgearraidh rothainneach?<\/h3>\n<p><strong>Polarachaidh diaim\u00e9adach<\/strong> na ghn\u00ecomhachas-st\u00e0il e fhathast airson <strong>mothachadh end-of-shaft<\/strong>. Chan e magnets axesach a-mh\u00e0in, tha disc diaim\u00e9adrach-laghdaichte a\u2019 toirt siostam a tha na sensor a\u2019 m\u00ecneachadh mar ghluasad-airson sin\/cosine. Tha an r\u00e8iteachadh seo riatanach airson ruighinn air-loidhne \u00e0rd mionaideachd agus dl\u00f9th-suidheachadh <strong>de chaochladh-uair-sg\u00e0thachaidh<\/strong>.<\/p>\n<h3>Am faod mi magnets ferrite a chleachdadh airson iarrtasan \u00e0rd-mhin-fheidhmeachd?<\/h3>\n<p>Ged <strong>f\u00econadh ferrite a tha air a mh\u00fanadh le d\u00f2igh-l\u00e0imhe<\/strong> gu math math de roghainn cosgais-\u00e8ifeachdach airson mothachadh luath bunaiteach no criomagan m\u00f2r ann an pumpaichean auto m\u00f2r-roinn, bidh e mar as trice a\u2019 call co-dh\u00f9naidhean airson ath-fhreum-fhreum. Air iarrtasan a tha ag iarraidh smachd teann <strong>leotha a bhith cho math sa tha \u00e0ile-magnachaidh<\/strong>, tha mi an-c\u00f2mhnaidh a\u2019 moladh cleachdadh <strong>NdFeB neo-gn\u00e0thaichte<\/strong>Tha sgaoileadh cunbhalach an fhluim a tha a dh\u00ecth gus l\u00f9ghdachadh neo-sheasmhach agus milleadh siubhail na chuingeachadh.<\/p>\n<ul>\n<li><strong>St\u00e0bailteachd \u00c0rd-Te\u00f2thachd:<\/strong> Tagsa SmCo airson \u00e0rainidhean 200\u00b0C+.<\/li>\n<li><strong>amannan mionaideachd:<\/strong> Thoir s\u00f9il air NdFeB sintered airson co-ionannachd nas fhe\u00e0rr.<\/li>\n<li><strong>Tagraidhean L\u00ecnearach:<\/strong> cleachd sreathdan m\u00f2r-luath m\u00f2r-teasg gus mionaideachd a bhith ann an siostam-siubhail fada.<\/li>\n<li><strong>Cosgais \u00e8ifeachdais:<\/strong> Cleachd m\u00e8inntean tiugh no ferrite airson nan tachometeran s\u00ecmplidh.<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Lorg d\u00e8 na magnetan a tha a\u2019 cleachdadh ann an encoderan dealainach le bhith a\u2019 toirt sti\u00f9ireadh air stuthan, magnetachadh agus taghadh, a\u2019 gabhail a-steach Neodymium Ferrite agus SmCo.<\/p>","protected":false},"author":1,"featured_media":3708,"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-3709","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"jetpack_featured_media_url":"https:\/\/nbaem.com\/wp-content\/uploads\/2026\/03\/What_magnet_are_used_in_Magnetic_encoder_5CXgVqRI7-e1772526946163.webp","_links":{"self":[{"href":"https:\/\/nbaem.com\/gd\/wp-json\/wp\/v2\/posts\/3709","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=3709"}],"version-history":[{"count":2,"href":"https:\/\/nbaem.com\/gd\/wp-json\/wp\/v2\/posts\/3709\/revisions"}],"predecessor-version":[{"id":3713,"href":"https:\/\/nbaem.com\/gd\/wp-json\/wp\/v2\/posts\/3709\/revisions\/3713"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nbaem.com\/gd\/wp-json\/wp\/v2\/media\/3708"}],"wp:attachment":[{"href":"https:\/\/nbaem.com\/gd\/wp-json\/wp\/v2\/media?parent=3709"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nbaem.com\/gd\/wp-json\/wp\/v2\/categories?post=3709"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nbaem.com\/gd\/wp-json\/wp\/v2\/tags?post=3709"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}