ʻO nā mea hana excavator 702-75-04600 hydraulic valve huakaʻi hoʻomaha

ʻO ka loina hana o ka valve solenoid proportional
Hoʻokumu ʻia ia ma ke kumu o ka solenoid on-off valve: i ka pau ʻana o ka mana, kaomi pololei ka pūnāwai i ke kumu i ka noho, e pani ai ka valve. Ke hoʻoikaika ʻia ka coil, ʻo ka ikaika electromagnetic i hana ʻia e lanakila i ka ikaika o ka puna a hoʻokiʻekiʻe i ke kumu, pēlā e wehe ai i ka valve. Hoʻololi ka valve solenoid proportional i ke ʻano o ka valve solenoid: hana ia i ke kaulike ma waena o ka ikaika o ka puna a me ka ikaika electromagnetic ma lalo o kekahi manawa coil. ʻO ka nui o ka coil current a i ʻole ka nui o ka ikaika electromagnetic e hoʻopilikia i ka hahau ʻana o ka plunger a me ka wehe ʻana o ka valve, a me ka wehe ʻana o ka valve (kahe) a me ke ʻano o ka coil (ka leka uila)
He pilina laina kūpono.
E kahe ana ka valve solenoid proportional pololei ma lalo o ka noho. Kahe ka waena mai lalo mai o ka noho, a ua like ke kuhikuhi o ka ikaika me ka ikaika electromagnetic, a me ke ku e o ka ikaika puna. No laila, pono e hoʻonohonoho i ka nui a me ka liʻiliʻi o nā kahe kahe e pili ana i ka pae hana (coil current) i ke kūlana hana. Ua pani ʻia ka valve solenoid proportional o ka wai Drey (NC, ʻano paʻa maʻamau) ke pio ka mana.