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Momwe mungapangire pepala lolembera la A4
Makina olembera mapepala a A4 omwe kwenikweni ndi mzere wopanga mapepala alinso ndi magawo osiyanasiyana; 1- Gawo la kayendedwe ka madzi lomwe limasintha kayendedwe ka madzi osakaniza kuti apange pepala lokhala ndi kulemera kofunikira. Kulemera koyambira kwa pepala ndi kulemera kwa mita imodzi ya sikweya mu magalamu. Kuyenda kwa madzi oundana...Werengani zambiri -
Cholekanitsa ulusi
Zinthu zopangira zomwe zimakonzedwa ndi hydraulic pulper zimakhala ndi mapepala ang'onoang'ono omwe sanamasulidwe kwathunthu, kotero ziyenera kukonzedwanso. Kukonza ulusi wowonjezera ndikofunikira kwambiri kuti mapepala otayidwa akhale abwino. Nthawi zambiri, kusweka kwa mapepala kumatha kunyamulidwa...Werengani zambiri -
Kapangidwe ka chogayira chozungulira
Chopukutira chozungulira chimapangidwa makamaka ndi chipolopolo chozungulira, mutu wa shaft, chotengera, chipangizo chotumizira ndi chitoliro cholumikizira. Chopukutira chozungulira ndi chopukutira chozungulira chokhala ndi makoma owonda okhala ndi mbale zachitsulo zophimbidwa ndi boiler. Mphamvu yayikulu yolumikizira imachepetsa kulemera konse kwa zida, poyerekeza ndi ...Werengani zambiri -
Mbiri ya makina a pepala la silinda
Makina a pepala amtundu wa Fourdrinier adapangidwa ndi munthu waku France Nicholas Louis Robert mu chaka cha 1799, nthawi yochepa kuchokera pamene munthu waku England Joseph Bramah adapanga makina a silinda mu chaka cha 1805, adayamba kupereka lingaliro ndi chithunzi cha pepala la silinda mu patent yake, koma Br...Werengani zambiri
