Ko te roanga o te ratonga o temata hamae pā ana ki te rauemi o te mata hama tonu, te momo rauemi i kuruhia, me ētahi atu. Ko te rauemi o te mata hama te mea nui rawa atu e pā ana ki tōna roanga o te mahi. E toru ngā wāhanga o ngā mata hama kei te mākete: ngā mata hama noa, ngā mata hama rehu tungsten carbide, me ngā mata hama whakarewa honohono tungsten carbide.
I roto i ēnei, mena he hama noa te hama i tukatukahia ki te wera, he hama maitai 65Mn rānei te mea e whakamahia ana, he iti te utu o tēnei momo hama, engari he poto ake te roa o te ora mahi.
He whānuitia te whakamahinga o ngā hama whakarewa rehu tungsten carbide i te mākete, mā te whakamahi i te hangarau whakarewa rehu oxyacetylene hei rehu i te paura tungsten carbide ki runga i te papa hama, kātahi ka whakamahanahia te hama kia puta ai te hua whakamutunga. Heoi, nā te taiao whakaputa uaua me te awe o te kounga o te waea whakarewa tungsten carbide, kāore hoki i te ōrite te kounga o te hama tungsten carbide whakamutunga, he maha ngā wā ka haere tahi me ngā hapa pēnei i ngā pore me ngā whakaurunga ki roto i te paparanga whakarewa, ka tino pā ki tōna roanga mahi. Ina koa ka pakaru ngā rauemi pakeke ake, ka ngawari te hinga o te paparanga whakarewa. Hei tāpiri, ka haere tahi te tukanga whakaputa me te nui o te puehu me ngā hau kino, kāore e taea te whakatutuki i te aunoatanga, ā, kāore i te tino whai hua ngā tumanakohanga.
Ka whakamahia e ngā hama whakarewa honohono tungsten carbide a HMT te hangarau whakakikorua whakarewa plasma, e whakatakoto ana i tētahi paparanga o ngā matūriki koranu mārō ki runga i te papa hama, kia tata rite te matotoru i waenga i te papa hama me te paparanga whakarewa koranu mārō. I taua wā anō, he mata tapahi maha-aronga kei ia matūriki koranu mārō, e tino whakarei ake ana i te mahi kutikuti o te hama. He tino pai te mahi a ngā wahi hama whakarewa honohono koranu mārō a HMT, me te ātete ki te kakahu, te roa o te mahi, te ātete ki te pānga, me te pai o te kuru ki te whakataurite ki ngā wahi hama rehu tungsten carbide. Heoi anō, ka taea te aunoa i te tukanga whakaputa me te pai ki te taiao, ka waiho hei ia o ngā mahi hanga wahi hama hou.
He pānga nui anō hoki te kuru o ngā rauemi ki te roanga o te mahi a ngā hama, ā, mā te whakamahi i ngā hama rerekē hei kuru i ngā rauemi rerekē ka nui ake te pai o te kuru. He pakeke rawa ētahi rauemi, nō reira he tino kaha te kaha o te pānga ki te hama. Hei tauira, ina pakaru te whāngai pāpaka me te hama rehu tungsten carbide, ka ngāwari te paparanga whakarewa ki te hinga. Mō ngā rauemi he nui te pakaru, me whakanui ake te roa o te paparanga ātete-kakahu mā te 100mm, pērā i te whāngai kiri witi. Kei reira anō te kāwai o ngā poraka rakau kuru, he kaha te pānga me te pakaru, ā, kāore e taea te whakamahi i ngā hama rehu tungsten carbide. Mō ngā hama noa, he poto noa te roanga o te mahi. Mō te kuru i aua rauemi, ka taea e ngā hama whakarewa whakakotahi koranu pakeke a HMT te whakatutuki i ngā whakaritenga. Whai muri i te whakamahinga mahi a te kaihanga o ngā poraka rakau kuru, kua whakamātauhia ka taea e ngā hama whakarewa whakakotahi koranu pakeke a HMT te whakatutuki i ngā whakaritenga. Hei tāpiri, he pānga nui anō hoki te nui o te makuku o te kānga ki te pai o te kuru. Ina nui te makuku, ka roa te mau o te hama, ā, ka poto ake te roa o te mahi.
Wā tuku: Paenga-whāwhā-02-2025