Hoʻomaopopo ka servo motor magnets i nā kaʻa servo e hana i ka mana pololei o ka wikiwiki a me ka pololei o ke kūlana, a hiki ke hoʻololi i ka hōʻailona voltage i torque a me ka wikiwiki e hoʻokele i ka mea mana. Hoʻomalu ʻia ka wikiwiki rotor o ka mīkini servo e ka hōʻailona hoʻokomo a hiki ke pane koke.
Mai ka hoʻomaka ʻana o ka lālā Indramat o Rexroth i ka MAC permanent magnet AC servo motor a me ka ʻōnaehana hoʻokele ma ka hale kūʻai kālepa Hannover ma 1978, hōʻailona kēia ua komo kēia hanauna hou o ka ʻenehana AC servo i ke kahua hana. Ma ka waena a me ka hopena o 1980s, ua loaʻa i kēlā me kēia hui nā huahana piha. Ke huli nei ka mākeke servo holoʻokoʻa i nā ʻōnaehana AC. ʻO ka hapa nui o nā ʻōnaehana servo uila hana kiʻekiʻe e hoʻohana i ka mīkini paʻa paʻa AC servo motor, a ʻo ka mea hoʻokele kaʻa e hoʻohana i ka ʻōnaehana servo kūlana kikohoʻe piha me ka hoʻonohonoho wikiwiki a pololei. Aia nā mea hana maʻamau e like me Siemens,Kollmorgen, Panasonic,ʻO Yaskawa, etc.
Ma muli o ka hana pololei o ka mīkini servo, he koi koʻikoʻi e pili ana i ka hana pololei a me ka hana kiʻekiʻe, e hilinaʻi nui ʻia i ka maikaʻi o nā magnets Neodymium no nā kaʻa servo. Ma muli o ka nui o nā waiwai magnetic kiʻekiʻe, hiki i ka Neodymium magnet ke hiki i nā motika servo me ka haʻahaʻa haʻahaʻa a me ka liʻiliʻi liʻiliʻi i hoʻohālikelike ʻia i nā mea magnetic kuʻuna, e like me Ferrite, Alnico a i ʻole SmCo magnets.
No nā mea hoʻokele kaʻa servo, i kēia manawa ke hana nei ʻo Horizon Magnetics i nā serials o nā māka kiʻekiʻe o nā neodymium magnets, e like me H, SH, UH, EH a me AH me nā ʻano ʻekolu:
1. High intrinsic coercivity Hcj: kiʻekiʻe i>35kOe (> 2785 kA/m) e hoʻonui i ka magnet demagnetizing kū'ē a laila servo mīkini hana paʻa.
2.Low reversible wela coefficients: haʻahaʻa i ka α(Br)< -0.1%/ºC a me β(Hcj)< -0.5%/ºC e hoʻonui ana i ka hoʻopaʻa wela magnet a hoʻopaʻa i nā motika servo e hana me ke kūpaʻa kiʻekiʻe.
3.Low kaumaha poho: haʻahaʻa i ka 2 ~ 5mg/cm2 i HAST ho'āʻo kūlana: 130ºC, 95% RH, 2.7 ATM, 20 lā e hoʻonui ai i nā magnets corrosion kū'ē e hoʻonui i ke ola manawa o servo motors
Mahalo i kā mākou ʻike waiwai i ka hāʻawi ʻana i nā mea hana kaʻa servo me nā magnet, ʻike ʻo Horizon Magnetics i ka servo motor magnet e pono ai nā hoʻokolohua piha e hōʻoia i kona ʻano paʻa, e like menā kaha demagnetizationi ke kiʻekiʻe wela e ʻike i ka hana kūpaʻa hana, PCT & SST e aʻo i ka maikaʻi o nā papa uhi, HAST e ʻike i ka pohō kaumaha, hoʻomehana i ka wela kiʻekiʻe e aʻo ai i ka helu o ka nalowale hiki ʻole ke hoʻololi ʻia, ka hoʻololi ʻana o ka flux magnetic e hōʻemi i ka jitter motor, etc.
