ngā purongo

Momo maitai

 

Ka makahia te maitai rewa i hangaia i roto i te oumu ki roto i ngā pereki, ā, ka pēhia ngā poro, ngā pereki rānei ki roto i te maitai (ngā hua maitai). He maha ngā momo maitai, ā, e whā ngā momo e taea te wehewehe: ngā pokepoke, ngā pereti, ngā ngongo me ngā waea.

 

Wāhanga maitai

He maha ngā momo maitai wāhanga, he momo maitai roa totoka me te āhua me te rahi o te wāhanga whakawhiti. E ai ki ngā āhua wāhanga whakawhiti rerekē, ka wehea kia rua ngā momo: ngā wāhanga whakawhiti māmā me ngā wāhanga whakawhiti uaua. Ko te tuatahi kei roto ko ngā pae porowhita, ngā pae tapawhā, ngā pae papatahi, ngā pae hexagonal me ngā pae koki; ko te tuarua kei roto ko ngā reera, ngā kurupae-I, ngā maitai hongere, ngā maitai anga matapihi me ngā maitai āhua motuhake. Ko te maitai porowhita iti me te diameter o te 6.5-9.0mm ka kiia he waea.

 

Ngā pereti maitai

He maitai papatahi tēnei, he whānui, he whānui hoki te ōwehenga o te mata me te horahanga. E ai ki ngā matotoru rerekē, e toru ngā momo: te pereti angiangi (te matotoru < 4mm), te pereti waenga (te matotoru 4-25mm) me te pereti matotoru (te matotoru > 25mm). Kei roto ngā rīpene maitai i te wāhanga pereti maitai.

 

Ngā paipa rino

He rīpene maitai roa tēnei, he wāhanga tuwhera tōna. E ai ki ōna āhua whakawhiti-wāhanga rerekē, ka taea te wehewehe ki ngā paipa porowhita, ngā paipa tapawhā, ngā paipa hexagonal me ngā paipa maitai whakawhiti-wāhanga āhua motuhake. E ai ki ngā hangarau tukatuka rerekē, ka taea te wehewehe ki ngā wāhanga e rua: he paipa maitai kore-tui me te paipa maitai whakarewa.

 

Ngā waea maitai

Ko te waea rino tētahi atu hua waea i mahi mataohia. E ai ki ngā āhua rerekē, ka wehea ki te waea rino porowhita, te waea rino papatahi me te waea rino tapatoru. Haunga te whakamahinga tika, ka whakamahia hoki te waea rino ki te hanga taura waea, ngā aho maitai me ētahi atu hua.

 

Koki maitai

Ko te rino koki, e mōhiotia whānuitia ana ko te rino koki, he aho roa o te rino e tū poutū ana tetahi ki tetahi i ngā taha e rua. He rino koki ōrite me he rino koki kore ōrite. He ōrite te whānui o ngā taha e rua o te koki ōrite. Ko ōna whakatakotoranga e whakaatuhia ana i roto i ngā mirimita o te whānui o te taha.× whānui taha× te matotoru o te taha. Hei tauira, "∠30×30×3", arā, ko te whānui o te taha he 30 mm, ā, ko te matotoru o te taha he 3 mm. Ka taea hoki te whakaatu mā te tau tauira, arā, te maha o ngā henimita o te whānui o te taha, pērā i∠3#. Kāore te tauira e whakaatu i te rahi o ngā matotoru taha rerekē i roto i te tauira kotahi, nō reira ka whakakīia te whānui taha me te matotoru taha o te maitai koki ki roto i te kirimana me ētahi atu tuhinga, kia kore ai e whakamahia ko te tauira anake. Ko ngā whakatakotoranga o te maitai koki ōrite kua hurihia wera ko 2#-20#.　　

Ka taea te hanga i te maitai koki mai i ngā momo wāhanga taumaha rerekē e ai ki ngā hiahia rerekē o te hanganga, ā, ka taea hoki te whakamahi hei hononga i waenga i ngā wāhanga. He whānuitia te whakamahinga i roto i ngā momo hanganga whare me ngā hanganga hangarau, pērā i ngā kurupae whare, ngā piriti, ngā pourewa tuku, ngā mīhini hiki me te kawe, ngā kaipuke, ngā oumu ahumahi, ngā pourewa tauhohenga, ngā whata ipu me ngā whata whare putunga.

 

Rino porowhita

 

Ko te maitai porowhita e pā ana ki tētahi rīpene maitai totoka he porowhita te wāhanga. Ko ōna whakatakotoranga e whakaatuhia ana i roto i ngā mirimita o te whānui, hei tauira, ko te tikanga o te "50" he pae porowhita he 50 mm te whānui. E toru ngā momo pae porowhita: he mea huri wera, he mea hanga, he mea tōia matao. Kei te wātea ngā pae porowhita huri wera i roto i ngā rahi mai i te 5.5 ki te 250 mm. I roto i ēnei: ​​Ko te maitai porowhita iti 5.5-25 mm ka tukuna i roto i ngā paihere rīpene tika, e whakamahia ana hei pae maitai, hei pūtu me ngā wāhanga miihini; Ko ngā pae porowhita nui atu i te 25 mm ka whakamahia hei hanga wāhanga miihini, hei hanga ngongo maitai kore hononga rānei.

 

Rebar

Ko te pae rino mō te raima whakapakari e pā ana ki te pae tika, ki te maitai rīpene waea rānei e whakamahia ana mō te whakapakari raima whakapakari, ā, e rua ngā momo o tōna āhua: te pae rino porowhita māmā me te pae rino whakapōturi, ā, ko te āhua tuku he pae tika me te porowhita kōpae. Ko te pae rino porowhita māmā ko te porowhita rino porowhita iti me te porowhita kōpae o te maitai waro iti noa. Ko ngā pae rino whakapōturi he pae rino rara me te mata, he maha ngā rara roa e rua me ngā rara whakawhiti e ōrite ana te tawhiti. E toru ngā momo rara whakawhiti: te porowhita, te wheua hereni me te marama marama. Ka whakaatuhia i roto i ngā mirimita o te diameter ingoa. Ko te diameter ingoa o te whakapakari whakapōturi he rite ki te diameter ingoa o te whakapakari porowhita māmā me te wāhanga whakawhiti ōrite. Ko te diameter ingoa o te pae rino he 8-50 mm, ā, ko te diameter e taunakitia ana ko te 8, 12, 16, 20, 25, 32, 40 mm.　　

Ko te nuinga o ngā pae whakakaha e pāngia ana e te ahotea kume i roto i te raima. Nā te mahi a ngā rara, he nui ake te kaha o te pae maitai kua whakapōturitia ki te raima, nō reira ka pai ake te ātete ki te mahi a te kaha o waho. He whānuitia te whakamahinga o ngā pae maitai i roto i ngā hanganga whare maha, inā koa ngā hanganga whare nunui, taumaha, māmā, angiangi me ngā hanganga whare teitei.

 

maitai hongere

Ko te maitai hongere he rīpene maitai roa me te wāhanga whakawhiti kua whakakōhaohia. Ko tōna tikanga whakaatu whakatakotoranga, pērā i te 120*53*5, e tohu ana i te maitai hongere me te teitei hope o te 120 mm me te whānui waewae o te 53 mm, me te maitai hongere me te matotoru hope o te 5 mm, te maitai hongere 12# rānei. Mena he maha ngā whānui waewae me ngā matotoru hope rerekē, me tāpiri hoki e koe te A, B, me te C ki te taha matau o te tauira hei wehewehe i a rātou, pērā i te 25A#, 25B#, 25C#, me ētahi atu. Ka wehea te maitai hongere ki te maitai hongere noa me te maitai hongere māmā. Ko te whakatakotoranga o te maitai hongere noa kua hurihia wera ko te 5-40#. Ko ngā whakatakotoranga o te maitai hongere ngāwari kua hurihia wera i tukuna mai i runga i te whakaaetanga i waenga i ngā rōpū tuku me te tono ko te 6.5-30#.

Ko te maitai hongere e whakamahia nuitia ana i roto i ngā hanganga whare, i te hanga waka me ētahi atu hanganga ahumahi, ā, he maha ngā wā ka whakamahia te maitai hongere me ngā kurupae-I.