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Paʻa Paʻa: Hana ʻia ʻo Webbing, Ply Layers, a me ka hiki ke hoʻouka

ʻO ka maʻa paʻa—ʻike ʻia hoʻi he maʻa webbing a i ʻole maʻa kāʻei-ʻo ia kekahi o nā mea hoʻonā hoʻokiʻekiʻe synthetic i hoʻohana nui ʻia i ke kūkulu ʻana, ka hana ʻana, a me ka logistics. Ua wehewehe ʻia kona kūkulu ʻia e ʻekolu mau mea nui: mea webbing material, ply layers, a me ka laulā. Hoʻohui pū ʻia, hoʻoholo kēia i ka palena haʻahaʻa hana o ka maʻa (WLL), hiki ke maʻalahi, a me ka lōʻihi. Wahi a EN 1492-1, ua helu ʻia nā maʻa pūnaewele i ulana ʻia me ka polyester, polyamide, a i ʻole polypropylene me kahi mea palekana 7: 1 a me nā kala-coded e ka hiki. Hōʻike kēia alakaʻi i ke ʻano o ka hana ʻana o ka webbing, ka hoʻonohonoho ply, a me ka laula e hoʻoholo ai i ka hiki ke hoʻouka - a pehea e koho ai i ka maʻa palahalaha kūpono no kāu noi hāpai.

He aha ka 7:1 Safety Factor a no ke aha ia mea?

ʻO ka maʻa hāpai me kahi kumu palekana 7: 1 ka ikaika haki ʻana i ʻehiku manawa i kona palena haʻahaʻa hana. ʻO ia ke ʻano o ka maʻa i helu ʻia no 1 tons e kū i ka liʻiliʻi he 7 tons ma mua o ka hāʻule ʻana. Ua kauoha ʻia ke kumu palekana 7:1 e nā kūlana ʻoihana koʻikoʻi me EN 1492-1, EN 1492-2, a me AS 4497:2018 no nā maʻa synthetic. Hōʻike kēia ʻatikala i ka ʻokoʻa ma waena o ka mea palekana a me ka palena haʻahaʻa hana, no ke aha ʻo 7: 1 ka maʻamau no nā maʻa synthetic, pehea e hoʻohālikelike ai i nā ʻano mea hana ʻē aʻe, a no ke kumu e pono ai kēia palena palekana no ka pale ʻana i nā limahana a me nā waiwai i nā hana hāpai honua maoli.

Hiki iaʻu ke hoʻohana i kahi maʻa paʻa i loko o kahi hoʻonohonoho Choke Hitch?

Hāʻawi kahi maʻa paʻa i kahi hoʻonohonoho choke hitch i kahi paʻa paʻa i nā haʻahaʻa e paheʻe i kahi hāpai kū pololei. Akā hiki ke hoʻohana ʻia kēlā me kēia maʻa paʻa i kēia ala? ʻO ka pane pōkole he ʻae-akā me ka hoʻohaʻahaʻa nui a me nā lula noi paʻa. Wahi a EN 1492-1 a me ASME B30.9, hoʻemi ka choke hitch i ka palena haʻahaʻa hana o ka maʻa i 80% o kona hiki ke hoʻopaʻa pololei, me nā hōʻemi hou no nā kihi ma lalo o 120° ma ke kiko choke. Hōʻike kēia alakaʻi i nā mea hiki, ka ʻenehana choke hitch kūpono, nā kūlana e pāpā ai i ka hoʻohana ʻana i ka choke, a me nā wahi nānā koʻikoʻi e hōʻoia i ka hana palekana.

Hiki iaʻu ke hoʻohana i nā maʻa hoʻokiʻekiʻe i ka waihoʻoluʻu?

ʻO kahi maʻa hāpai i nalowale kona kala kumu he mea maʻamau ia ma nā kahua hana. Manaʻo ka nui o nā riggers: palekana paha ke hoʻohana? ʻO ka pane pōkole - e like me nā kūlana ʻoihana - ʻaʻole. ʻO ka mae ʻana o ke kala he hōʻailona ʻike ʻia o ka hōʻino ʻana o ka ultraviolet (UV), ka mea e hoʻonāwaliwali ai i nā fiber synthetic a hoʻopaʻapaʻa i ka hiki ke amo o ka maʻa. Ke nānā nei kēia alakaʻi i ke ʻano o ka waihoʻoluʻu ʻeleʻele no ka palekana ma ka maʻa, pehea e hoʻokaʻawale ai i ka pōʻino UV mai nā ʻano ʻokoʻa ʻē aʻe, a me nā pae hoʻomaha kikoʻī i wehewehe ʻia ma nā kānāwai ASME B30.9 a me Washington Administrative Code (WAC). No nā luna hoʻoponopono liʻiliʻi a me nā ʻoihana palekana, ʻo ka hoʻomaopopo ʻana i ka hopena o kahi maʻa maloʻo he mea nui ia i ka pale ʻana i ka pōʻino.

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Paʻa Paʻa: Hana ʻia ʻo Webbing, Ply Layers, a me ka hiki ke hoʻouka

He aha ka 7:1 Safety Factor a no ke aha ia mea?

Hiki iaʻu ke hoʻohana i kahi maʻa paʻa i loko o kahi hoʻonohonoho Choke Hitch?

Hiki iaʻu ke hoʻohana i nā maʻa hoʻokiʻekiʻe i ka waihoʻoluʻu?

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