Ƙwallon ƙwallon ƙafa, na ɗaya daga cikin rabe-raben na'ura na kayan aikin na'ura, shine ingantaccen kayan aikin injin da zai iya canza motsin juyawa zuwamotsi na linzamin kwamfuta.Ball dunƙule kunshi dunƙule, goro, reversing na'urar da ball, kuma yana da halaye na high daidaici, reversibility da kuma high dace a lokaci guda.
Akwai manyan hanyoyi guda uku don shigar da ƙwallon ƙwallon ƙafa, wato, ƙayyadaddun ƙarshen ƙarshen, hanyar shigarwa kyauta ɗaya ƙarshen; Ɗayan ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun tsarin tallafi; duka ƙare kafaffen hanyar shigarwa.
1,Ƙarshe ɗaya ƙayyadaddun, hanya ɗaya kyauta
Ƙarshen ƙayyadaddun ƙayyadaddun, ɗayan ƙarshen hanyar shigarwa kyauta: ƙayyadadden ƙarshenɗaukaiya lokaci guda jure axial karfi da radial karfi, yayin da ball wannan goyon bayan hanya ne yafi dace da kananan bugun jini short dunƙule bearings ko cikakken kewaye inji kayan aikin, domin lokacin amfani da wannan tsarin na inji sakawa hanya, da daidaito shi ne mafi unreliable, musamman da tsawo. -Rashin diamita na manyan dunƙule bearings (ball dunƙule ne in mun gwada da siriri), da thermal nakasawa a bayyane yake. Duk da haka, don dunƙule mai tsayi 1.5m, bambancin 0.05 ~ 0.1mm a ƙarƙashin yanayi daban-daban na sanyi da zafi shine al'ada. Duk da haka, saboda tsarinsa mai sauƙi da sauƙi na shigarwa da ƙaddamarwa, yawancin kayan aikin inji suna amfani da wannan tsarin. Koyaya, akwai batun da ke buƙatar kulawa ta musamman shine cewa dole ne a ƙara amfani da wannan tsarin a cikin grating, ta amfani da zoben da aka rufe gabaɗaya don amsawa, don samun damar cika aikin.
2, ƙayyadaddun ƙarshen ɗaya, ɗayan yanayin goyan bayan ƙarshen
Ƙarshen ɗaya yana daidaitawa kuma ɗayan ƙarshen yana goyan bayan: ƙaddamarwa a ƙayyadaddun ƙayyadaddun kuma zai iya tsayayya da duka axial da radial Forces, yayin da ƙarshen goyon baya kawai yana jure wa dakarun radial kuma zai iya yin ƙananan motsi na axial, da kuma ragewa ko kaucewa. lankwasawa da dunƙule saboda nauyinsa. Bugu da kari, nakasar zafi na goyan bayan dunƙule ƙwallon ƙwallon yana da 'yanci don haɓakawa zuwa ƙarshensa. Saboda haka, wannan shine tsarin da aka fi amfani dashi. Misali, na gida kanana da matsakaitan lathes na CNC, cibiyoyin injina na tsaye, da sauransu duk suna amfani da wannan tsarin.
3,Kafaffen a ƙarshen duka biyu
Dukkan bangarorin biyu na dunƙule suna daidaitawa: Ta wannan hanyar, ƙaddamarwa a ƙarshen ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙarfi na iya ɗaukar ƙarfin axial a lokaci ɗaya, kuma ana iya amfani da preload ɗin da ya dace a cikin dunƙule don haɓaka ƙarfin tallafi na dunƙule, da thermal. nakasar dunƙule kuma za a iya rama wani bangare. Don haka, ana amfani da manyan kayan aikin inji, kayan aikin injin nauyi da injunan ban sha'awa da injin niƙa mafi yawa a cikin wannan tsarin. Tabbas, akwai gazawa, wato, yin amfani da wannan tsari zai sa aikin daidaitawa ya zama mai wahala; Bugu da ƙari, idan shigarwa da daidaitawa na ƙarshen biyu na preload ya yi girma sosai, zai haifar da bugun karshe na kullun fiye da zane-zane, filin zai kuma fi girma fiye da ƙirar ƙira; kuma idan iyakar biyu na preload na goro bai isa ba, zai haifar da akasin sakamako, wanda zai haifar da girgiza na'ura cikin sauƙi, yana haifar da raguwar daidaito. Sabili da haka, idan an daidaita tsarin a ƙarshen duka, to dole ne a daidaita rarrabuwa daidai da umarnin, ko tare da taimakon kayan aiki (dual mita laser interferometer) don daidaitawa, don kada ya haifar da asarar da ba dole ba.
Lokacin aikawa: Dec-19-2022
