Me pēhea te ki te pokepoke i raima: rahi (tepu)

I mua i te uru koe te raima, te rahi o ka e kia whakahuatia i raro nei, me te tīpako i tika nga wae. Te tikanga e korero, te raima ko te ranunga, e hāngai ana - ngā māpele me sima. Ko te kupu, kei te raima kirikiri, pōhatu, kirikiri, onepu me te sima. I roto i te tahi atu mea, e taea te whakamahi momo o plasticizers tāpiritanga motuhake. Ratou mahi, ko te ki te hoatu i etahi āhuatanga o raima. Ka taea e tatou te wehewehe i te āhuatanga matua o te raima, i te mea te kaha shock. I runga i te otinga kaha i muri i pakeke e wehea ai ki te tohu.

Ko te hanganga o te raima

Ki te kei te whakaaro koe e pā ana ki te pehea, ki te uru te raima, ka te rahi o e kia whakarārangitia i roto i te tuhinga, Me tuatahi koe ki te mohio he aha te mea te ahua māmā o te raima kua titoa o sima me onepu makaka. Kei te nuinga o te wā he otinga pērā whakamahia rite te tïpako i raro i te turanga whare. A, no te te tapiritia tenei hanganga i roto i te nui iti o te wai ki te otinga i uru he mātotoru o te momo oneone mākū. Ki te kahore he he hiahia ki te faaineine i te raima atu roa, he mea e tika ana ki te whakamahi i rite te puehu puriwāhi, factionalism e rerekē i te 3 mm ki 35 mm.

kōwhiringa o hanganga

I mua i te uru koe te raima, te rahi kia tirotiro. Hoki ngā take rerekē Me ki te faaineine raima o ngā titonga. Hei tauira, ki te te mahara reira ki te hanga i balusters, te kōwhiri i filler, kia meinga ki tetahi e kua he reo hautanga pai ranei. Ko te taua pā ki te whakakī oko kari, huānga whakapaipai me kaupae. Ko te ōwehenga āhuatanga tino noa mo te faaineineraa o te raima e whakaaro ki te 1: 3: 6, me te faatura ki te sima, onepu me te töpü. I roto i te tahi atu mea, he mea e tika ana ki te whakamahi i te hawhe kotahi wahi o te wai, ka e kia whakaritea e te flowability hiahiatia o te otinga ranei.

Ki te kei te whakaaro koe e pā ana ki te pehea, ki te uru te raima, me te whakaaro i te rahi o ngā rauemi, engari ko te mea nui ki te whakarongo ki te hanganga o kai. Ko te kupu, ki te te onepu kua he ihirangi makuku teitei atu i mua, kia kia-maroke mua reira, pera ka waiho atu faahiahia i te taimaha, atu i taua e hiahiatia ana mo te faaineineraa o te otinga tika. Ko te taua pā ki kirikiri.

Ko te hanganga mo te faaineineraa o te tetahi waitohu o te raima

I roto i te tikanga ki te faaineine i raima waitohu M100 o sima M400, ka hiahia koe ki te whakamahi i sima, onepu me te kirikiri i roto i te ōwehenga e whai ake nei - 1: 4.6: 7. Ko mo te hanga o te kōeke raima M 150 Ka waiho e tika ana ki te faaineine i te taua rauemi katoa, engari i roto i te ōwehenga paku rerekē, ki te sima kia whakamahia i roto i te nui o tetahi wahi, i whakamahia te onepu te i roto i te nui o 3.5, engari te puehu ki te kia tono i roto i te ōwehenga 5.7. Hoki te whakarite raima M200 ka kia tika ki te faaineine i te rauemi i tabulahia i roto i te ōwehenga o te 1: 2.8: 4.8. I roto i te tikanga ki te whakarite i tētahi otinga 250 tohu M, he mea e tika ana ki te faaineine i ngā rauemi i te ōwehenga o te 1: 2.1: 3.9. No te faaineine i te otinga M ariki 300 ka tango te rauemi i roto i te ōwehenga o te 1: 1.9: 3.7. Raima tohu M 400 whiwhi te ki te whakamahia te feedstock i roto i te ōwehenga o te 1: 1.2: 2.7. M tohu Raima haere 450, ki te tono tatou i te ōwehenga 1: 1.1: 2.5.

Ko te whakaritenga hoki wāhanga

I mua i pokepoke i te raima, kia āta ako te rahi. Ko he mea nui e kore anake ki te pupuri i te toenga tika, engari ano hoki tango ki pūkete nga whakaritenga e tono ki ia wāhanga o te otinga. Hei tauira, ki te whakamahi koe i waitohu sima M 400 hei utu o M 500, i muri i te hanganga solidification kore e kia rite kaha. I roto i rānei take, e kore e taea te hua whawhe o te raima i te pāmahana i raro 16 ⁰ C. Ki te whakatika te hiahia, ka waiho reira e tika ana ki te whakamahi i plasticizers.

I mua i pokepoke raima, mohiotia pai ōwehenga. He mea nui ki te whakarongo ki te huru o wae takitahi. Sima, hei tauira, me kore noa e noa-rere, engari maroke ano hoki. Kaua e hoko i te sima, tito nei o kapia i haumākū nui ranei. Ehara i te mea e tika ana ki te hoko i te hua e kore te e tapanga. Ko reira pai ki te whiwhi i te sima i mua noa i te tīmatanga o te mahi, e rite ana i roto i rokiroki ko reira e taea ki te riro makuku me te ngaro ratou kounga. wa e tūtohua ana o te rironga o te sima - 2 wiki i mua i te tīmatanga o te mahi.

Whakaritenga mō te onepu

Ki te kei te whakaaro koe ki runga ki te pātai o te pehea, ki te pokepoke i tika te hanganga raima mo tona faaineineraa e taea te kite i runga ake. He mea tika ki te tango ki pūkete te kounga o te onepu, ka e kia whakamahia i roto i te mahi. Raima pai ki te tono factionalism onepu i rerekē i 1.5 ki te 5 mm. e tūtohu ana ki te whakamahi i te rahi kākahu onepu, kia waiho tona hanganga kahore poke. Tangohia tiaki e i roto i te onepu i kahore toenga hanganga ururua me te hua. kia whai i te pānga i runga i te te aroaro o te katoa o enei wae kounga o te raima. Kia kua ako koe, i roto i te mea hanganga ki te uru raima, ka taea e koe timata ki te mahi. Otiia e kore e te mea e tika ana ki te whakamahi i ngā rauemi e kore i i i whakamatauria hoki kounga. Ko te kupu, ko te tika o te onepu pai haere i roto i te tatari. taunaki ana mō te raima whakamahia one awa-kounga teitei, ahakoa te meka e ko te reira atu te utu whakaritea ki te hunga e karangatia e nga pakohu.

taima

Ki te he āwangawanga e pā ana ki te pehea, ki te uru te raima koe, ki te rahi o te tepu whakatau. He mea nui ki te whakaaro hoki te kounga o te māpele. whakawhiwhi ratou kaha raima i muri i te whakaora. Heoi, e kore e whakamahi auau ranei te moana pōhatu, e kua he mata maeneene me e kore e kī i te pu ki te otinga. E tūtohu ana ki te whakamahi i te rauemi i e kua wehewehe te āhua. I roto i te tahi atu mea, whakamahia hoki te faaineineraa o te raima, poraka raima, i te mea kaha nui, engari i te wa taua he taimaha iti. kia kōwhiri kirikiri hautanga arata'ihia i roto i te whānuitanga 8 ki te 35 mm o. E whakamahia Nui āhuatanga wehewehe i roto i te hanga, i te mea rawa onge. I roto i tenei take, rawa, he mea nui ki te tango ki pūkete te meka e kia waiho nga taima te nui iti rawa o inclusions no rapae o paru. Ki te tika, e hiahia ana koe ki te tuku i te rauemi raw i otaota ke. He mea nui ki te whiriwhiri i te filler, e kua he roughness mata mōrahi. Tenei ka whakarite te kounga tiketike o te mamau.

wāhanga atu

Ki te kei te whakaaro koe e pā ana ki te pehea, ki te uru raima i roto i te whakaranu raima, kia whakamahia te hanganga whakaturia atu i runga i a koe. He mea nui ki te whakaaro i te hononga e kore anake, engari ano hoki i te hiahia mō ngā wāhanga atu. taea te kitea Lime i roto ia ratou. I reira ka kia kōrero i raro nei. Kei te whakamahia te reira i ka te Mixing o pai otinga wai kounga. E tika ana kia ma, e kore e waiho te reira inclusions i te puka o te waikawa me te kawakore. Ko te tautokohia ki te whakamahi i masivesivá awa ranei, te wai roto. Water e tika ana mō te inu, e taea te whakamahi i roto i te faaineineraa o te raima.

tāpiritanga

Ki te kahore he he hiahia ki te hanga raima māmā ki tāpae, e taea te whakamahi i roto i te tukanga o te ranu te hanganga o te kotakota. I muri whakatakoto i te otinga rite ki tona whakamahi, ka waiho e māmā ake ki te maeneene te mata. Ko te mea utu te haamana'oraa e taea ki te ārai i te sima tahi ki te filler, i roto nei i roto i te hanganga, e taea tino pā te kaha te kotakota he. Ko te kupu, ko te whakamahi o te kotakota e kore ranei, e hiahia ana koe ki te whakatau i te rangatira. Kaua e whakaaro e pai kia tino uaua tona whakamahi, e kore te mea e tika ana ki te tinei ratou. Engari, ka taea e koe te whakamahi i ready- kotakota slaked hokona i roto i nga toa o ngā rauemi hanga.

I roto i te mutunga

I mua i te uru koe te raima, kia āta whakaaro i te hanganga (kore ratou e rerekē i roto i te whakaranu). Tenei ka whakarato-kounga tiketike raima, e i muri solidification āhuatanga e mauroa teitei.