Yadda ake zabar abin rufe fuska na allo na mica don masana'antar commutator

Jirgin mica commutator, wanda kuma ake kira da commutator mica board, yana ɗaya daga cikin mahimman kayan kariya a cikin injinan DC. Akwai manyan kayan aiki guda biyu don kera allon mica commutator: ɗayan ƙaramin yanki ne na mica, ɗayan kuma takarda mica foda. Domin sa samfurin ya kai kauri da ake buƙata, farantin mica da aka yi da zanen gadon mica dole ne a yi niƙa ko goge. Lokacin dannawa, bangarorin biyu suna layi tare da takarda mai layi daban-daban da zane, don haka kauri ya zama iri ɗaya kuma an sami matsananciyar ciki bayan dannawa. Lokacin da aka yi amfani da takarda mica foda don yin foda mica board, idan yanayin latsawa yana da kyau, ana iya barin aikin niƙa ko niƙa.

Bugu da kari, bisa ga daban-daban rufi matakan da mota, da kuma bukatun anti-baka da danshi juriya, shellac, polyester Paint, melamine polyacid Paint, ammonium phosphate ruwa bayani, cyclic guduro manne ko modified silicone Paint ana amfani da adhesives to kera nau'ikan allunan mica iri-iri.

Yin amfani da shellac na iya samar da faranti na mica masu commutator waɗanda za su iya kai ga zafin jiki na 100 ° C da sama, ciki har da faranti na girgije masu motsi don manyan motoci masu sauri. Amma rashin amfani shi ne cewa samar da ingantaccen aiki yana da ƙasa.

Yana da kyau fiye da shellac don amfani da resin polyacid wanda aka tattara daga ortho-jasmonic anhydride da glycerin. Yana da sauƙin kwasfa da liƙa zanen mica, kuma yana iya sarrafa tsarin haɗa zanen mica, ta yadda ɗimbin masu gidaje za su iya samar da allunan mica masu motsi. . Duk da haka, rashin amfani shine cewa akwai resin unpolymerized a cikin allon mica, kuma ƙaddamar da resin a cikin mica board yana ƙaruwa a ƙarƙashin rinjayar babban zafin jiki da matsa lamba. zuwa saman mai motsi.

Lokacin amfani da polyacid resin commutator mica farantin a matsayin babban injin zafin jiki don rufe ma'amalar crane ko babban motar, dole ne a yi zafi kafin amfani. Bayan yin haka, lokacin da ake latsa commutator, za a rage fitar da resin, wanda kuma ke tabbatar da amincin na'urar da ke aiki.

Yin amfani da foda na Anfu azaman manne zai iya sa aikin kwamitin mica na commutator baya canzawa a ƙarƙashin yanayin zafi mai zafi da zafin jiki (200 ℃ ko mafi girma). Matsakaicin raguwarsa shima ya fi sauran allunan mica, kuma yawan zafinsa ya wuce 600 ℃. Don haka, ingancinsa gabaɗaya ya fi na sama da aka ambata a sama daban-daban allunan mica, kuma kewayon aikace-aikacen kuma ya fi fadi.

Jirgin mica da aka yi da epoxy ko melamine da resin polyacid yana da juriya mai kyau kuma ana amfani dashi a cikin injinan DC masu sauri.

Kwamitin mica da aka yi da gyare-gyaren resin kwayoyin halitta zai iya jure yanayin zafi kuma ana amfani dashi a cikin injina masu gudana na musamman.

NIDE tana samar da allunan mica iri-iri da masu zirga-zirga, waɗanda galibi ana amfani da su a fagen kayan aikin wutar lantarki, injinan goge-goge, sabbin injin motocin makamashi, kayan aikin gida, tebura masu ɗagawa, gadaje na kayan aikin likita da sauran filayen.