Nā mea ʻike LVDT: he mea hana ikaika no ka ʻike palahalaha

I ka holomua wikiwiki o ka hana ʻoihana, ʻo ka palahalaha o nā ʻili huahana he hōʻailona koʻikoʻi o ka maikaʻi o ka huahana. Hoʻohana nui ʻia ka ʻike flatness ma nā ʻoihana like ʻole, e like me ka hana kaʻa, aerospace, a me nā uila. ʻO nā laʻana ka nānā ʻana i ka palahalaha o nā pila a i ʻole nā ​​hale kelepona paʻa i loko o ka ʻoihana kaʻa, a me ka nānā ʻana i ka palahalaha o nā pā LCD ma ka ʻoihana semiconductor.

Eia naʻe, pilikia nā ʻano hana ʻike palahalaha maʻamau i nā pilikia e like me ka haʻahaʻa haʻahaʻa a me ka maikaʻi ʻole. ʻO ka ʻokoʻa, ʻo LVDT (Linear Variable Differential Transformer), me kā lākou pono o ke kiʻekiʻe kiʻekiʻe, hilinaʻi kiʻekiʻe, a me ke ana frictionless (no ka laʻana: hoʻohana ʻo LVDT i kahi ʻimi e hoʻopili ai i ka ʻili o ka mea, e hoʻokele i ka neʻe ʻana i ke kumu e loaʻa ai ke ana frictionless a me ke ana kiʻekiʻe), ua hoʻohana nui ʻia i ka ʻike palahalaha mea hou.

Manaʻo hana:

ʻO ka LVDT kahi mea ʻike inductive electromagnetic, a ua hoʻokumu ʻia kāna kumu hana ma ke kānāwai o Faraday o ka electromagnetic induction. Aia ka LVDT i kahi wili kumu mua a me ʻelua mau ʻili lua, ʻeha nā mea āpau a puni kahi ferromagnetic core. Aia ke kumu i ke kikowaena waena, ua like ka nui o nā wili puka o nā coils lua i ka nui a kū'ē i ka māhele, e kāpae ana i kekahi i kekahi a me ka hopena i ka puka makani zero. I ka neʻe ʻana o ke kumu i ka axially, hoʻololi nā volta hoʻopuka o nā coils lua ʻelua, a ʻo ka ʻokoʻa ka linearly proportional i ka neʻe ʻana o ke kumu. Ma ke ana ʻana i ka hoʻololi ʻana i ka volta hoʻopuka, hiki ke ana pololei ʻia ka neʻe ʻana o ke kumu.
 
ʻO ka hale LVDT ka mea maʻamau i hana ʻia me kahi uhi pale kila kila, me kahi papa pale magnetic o ke kiʻekiʻe magnetic permeability a me kahi papa hoʻomaʻemaʻe i ʻōwili ʻia i waenakonu. ʻAe kēia e hoʻohana ʻia i nā wahi paʻakikī e like me nā māla magnetic ikaika, nā au kiʻekiʻe, ka haʻahaʻa, a me ka lepo. Ke hoʻohana nei kekahi mau LVDT o nā ʻoihana ʻenehana i nā mea kūikawā (e like me nā sila ceramic a i ʻole nā ​​​​hale Hastelloy) a hiki ke hana i nā wahi wela kiʻekiʻe o 250 ° C a i ʻole nā ​​wahi kiʻekiʻe o ka 1000 bar.

ʻO nā hiʻohiʻona nui o LVDT

Ana Frictionless:ʻAʻohe pili kino ma waena o ka movable core a me ka coil structure, ʻo ia hoʻi, he mea frictionless ka LVDT. ʻAe kēia i kona hoʻohana ʻana i nā ana koʻikoʻi i hiki ʻole ke ʻae i ka hoʻouka ʻana.

Ola Mechanical palena ʻole: No ka mea maʻamau, ʻaʻohe pilina ma waena o ka LVDT's core and coil structure, ʻaʻole hiki i nā ʻāpana ke ʻāwili pū ʻia a i ʻole ʻino paha, e hāʻawi ana i ka LVDT i kahi ola mechanical palena ʻole.

Hoʻoholo palena ʻole: Hiki i nā LVDT ke ana i nā hoʻololi liʻiliʻi liʻiliʻi loa i ke kūlana kumu no ka mea ke hana nei lākou i nā loina hoʻohui electromagnetic i kahi hoʻolālā friction-free. ʻO ka palena wale nō i ka hoʻonā ʻana ʻo ka walaʻau i ka conditioner hōʻailona a me ka hoʻonā o ka hōʻike puka.

Null Point Repeatability:ʻO ka wahi o kahi helu null intrinsic o LVDT he paʻa loa a hiki ke hana hou ʻia, ʻoiai ma luna o kona ākea ākea ākea.

Hō'ole 'Axis Cross-Axis:ʻO nā LVDT he mea koʻikoʻi loa i ka neʻeʻana o ke axial o ke kumu a me kaʻikeʻole i ka neʻeʻana o ka radial. ʻO kēia ka mea e hiki ai i nā LVDT ke hoʻohanaʻia e ana i nā cores e neʻeʻole i kahi laina pololei.

Pane hoʻoikaika wikiwiki:ʻO ka loaʻa ʻole o ka friction i ka wā o ka hana maʻamau e ʻae i ka LVDT e pane wikiwiki i nā loli i ke kūlana kumu.

Hua'ōlelo piha loa:ʻO ka puka LVDT kahi hōʻailona analog pili pono i ke kūlana. Inā pau ka mana, hiki ke hoʻomau ʻia ke ana me ka ʻole o ka hoʻoponopono hou ʻana (pono e hoʻihoʻi ʻia ka mana no ka loaʻa ʻana o ka waiwai hoʻoneʻe i kēia manawa ma hope o ka pau ʻana o ka mana).

LVDT maʻamau [Flatness detection] palapala noi:

  • ʻIke ʻia ka ʻili palahalaha o ka mea hana: Ma ka hoʻopili ʻana i ka ʻili o kahi mea hana me kahi ʻimi LVDT, hiki ke ana ʻia nā ʻano kiʻekiʻe ma luna o ka ʻili, no laila e loiloi i kona palahalaha.
  • ʻIke ʻia ʻana o ka pāpaʻa metala: I ka wā o ka hana ʻana i ka metala, kahi hoʻolālā LVDT i hoʻonohonoho ʻia, i hui pū ʻia me kahi mīkini ʻimi ʻana, hiki ke hoʻokō i ka palapala ʻāina palahalaha piha o nā pepa nui.
  • ʻIke ʻia i ka Wafer Flatness:I ka ʻoihana semiconductor, he hopena koʻikoʻi ka palahalaha o nā wafers i ka hana chip. Hiki ke hoʻohana ʻia nā LVDT e ana pololei i ka palahalaha o nā ʻili wafer. (E hoʻomaopopo: I ka ʻike ʻana i ka wafer flatness, pono e hoʻolako ʻia ka LVDT me nā ʻimi māmā a me kahi hoʻolālā ikaika haʻahaʻa haʻahaʻa, e kūpono ana i nā hiʻohiʻona kahi i ʻae ʻole ʻia ka pōʻino o ka ʻili.)

Manaʻo ʻia ʻo LANBAO LVDT sensor

LVDT

 

  • Hiki ke hoʻihoʻi hou i ka micrometer-level
  • Loaʻa nā pae he nui mai 5-20mm
  • Nā koho hoʻopuka piha , me ka hōʻailona kikohoʻe , analog , a me 485.
  • Haʻahaʻa haʻahaʻa e like me ka 3N sensing poʻo kaomi, hiki ke ʻike i ka ʻike ʻole ma nā ʻaoʻao aniani ʻelua.
  • ʻO ka nui o waho e hālāwai me nā wahi noi like ʻole.
  • Alakaʻi koho
ʻAno inoa hapa Hoʻohālike Rang Linearity Hiki hou Hoʻopuka Papa pale
ʻAno hoʻohuihui Mea hoʻonui LVA-ESJBI4D1M / / / 4-20mA i kēia manawa, ʻekolu mau ala puka kikohoʻe IP40
ʻImi ʻike LVR-VM15R01 0-15mm ±0.2%FS
(25℃)
8μm(25 ℃) / IP65
LVR-VM10R01 0-10mm
LVR-VM5R01 0-5mm
ʻAno hoʻohui Hoʻohui ʻia ʻike prbe LVR-VM20R01 0-20mm ±0.25%FS
(25℃)
8μm(25 ℃) RS485
LVR-VM15R01 0-15mm
LVR-VM10R01 0-10mm
LVR-VM5R01 0-5mm
LVR-SVM10DR01 0-10mm

 


Ka manawa hoʻouna: Feb-11-2025