ʻO ka noiʻi ma Ni-Si Alloy Slender Shaft Turning Technology

1. Introduction

ʻO nā mea hoʻohui wela wela ke kapa ʻia nā mea hoʻopili wela a pale a i ʻole nā ​​mea hoʻohui wela. He ʻāpana nunui ʻāpana hoʻohui ʻia ia ma muli o ka hao, nickel, cobalt, titanium, etc. Eia kekahi, hiki iā ia ke hana no kahi manawa lōʻihi ma lalo o kekahi koʻikoʻi, a he ikaika wela maikaʻi loa, kūpaʻa pumehana a me nā hana luhi wela.

Eia nō naʻe, ʻo nā mea hana wela mehana kiʻekiʻe he mea paʻakikī ia e ʻoki ʻia, me ka ʻoi aku o ka paʻakikī ma mua o 250HBS, ikaika σb> 0.98GPa, hoʻolōʻihi 30> 9.8%, waiwai waiwai ak> 105 × 2J / m41.9, conductivity mehana k <2W / (mXNUMX ℃), ke kūpale kū wela kiʻekiʻe e hoʻonui pono i ka paʻakikī o ka hana ʻana. Ma lalo o ka hana hoʻohui o ka ikaika ʻoki nui a me ke kiʻekiʻe wela i ka wā o ka hana ʻana, hana nā mea hana i nā ʻāpana a i ʻole deformation, a laila haki; me ka hoʻohui, e hana wikiwiki kēia ʻano alloy i ka hanana paʻakikī paʻakikī, a e hoʻopuka ʻia ka workpiece i ka hana ʻana. ʻO ka ʻili paʻa o ka mea hana ke kumu o ka ʻoki o ka mea hana e hana i nā hakahaka i ka hohonu o keʻoki, a hoʻonāukiuki i ka mea i makemake ʻole ʻia ma ka mea hana, a luku i ka geometric pololei o nā mīkini mīkini.

2. Ke kālailai kulana

Ua hana nui ka ʻimi naʻau ʻē i ka ʻoki ʻana i nā superalloys. I ka 1939, ua hoʻokumu mua ka British Mond Nickel Company (International Nickel Company) i ke kinikini nickel-based Nimonic 75, a laila ua hoʻohana kūleʻa ʻia ka Nimonic 80 i ka pahi mea o nā ʻenekini turbojet, e hoʻokumu ana i ka Nimonic nickel-based alloy series. I ka hoʻomaka ʻana o 1940, ua hoʻomohala ka United States ʻo Hastelloy B i hana ʻia i nickel no ka hoʻohana ʻana i ka ʻenekini jet o GE's Bellp-59. Ma 1950, ua hoʻokumu ʻo American PW Company, GE Company a me Special Metal Company iā Waspalloy, M-252 a me Udmit 500 mau alloys pakahi, a ua hoʻokumu ʻia nā papa Inconel, Mar-M a me Udmit ma kēia kumu, i hoʻohana nui ʻia i nā pahi turbine. . Mai ka 1940 a i ka waena o 1950, ua hoʻoponopono ʻia ka hoʻohui paʻa. 1950: ka puka ʻana o ka ʻenehana hoʻoheheʻe uila i hiki ai i ka hoʻomohala ʻana i kahi nui nui o nā hana hoʻolei kiʻekiʻe e like me Mar-M200 a i ka 100. Ma hope o 1960, ka hoʻomohala ʻana i nā hana hou e like me ka solidification kuhikuhi, nā aniani aniani hoʻokahi, metallurgy pauka, mechanical alloying, a me ka ceramic filtration isothermal forging ua lilo i kumu hoʻoikaika nui no ka hoʻomohala ʻana i nā superalloys. Pēlā nō, ua hana nui ka poʻe ʻimi naʻau i ka noiʻi. Mai 1956 a 1957, GH3030, GH4033, GH34 a me K412 alloys i hoʻokolokolo maikaʻi ʻia i hana ʻia no nā ʻenekini WP-5; i 1960, GH4037, GH3039, GH3044, GH4049, GH3128, K417 a me nā mea hoʻohui ʻē aʻe i hoʻokolokolo hou ʻia. Hoʻolālā kūleʻa; a hoʻomohala kūlike hoʻi i kahi pūʻulu o nā superalloys no nā ʻenekini pōhaku ʻokoʻa; i ka manawa like, ua hoʻomaka ʻia e hoʻolaha ʻia nā superalloys a hoʻopili ʻia i nā ʻoihana ʻoihana civila, e like me nā diesel turbocharger, nā turbine ʻino honua, a pēlā aku, a ua hoʻomohala ʻia kekahi o nā ʻāpana kūpale kiʻekiʻe-wela i kekahi ma hope o kekahi. Abrasion a me ka popopo-hoʻopale superalloys; i 1970, ua hoʻomaka ka hana hoʻokolokolo a me ka noiʻi o superalloys i ke ʻano. Ma o ka hoʻohālike, digestion a me ka hoʻomohala ʻana o Soviet superalloys ma ke ʻano he mea nui a me ke ʻano o ke kaʻina hana, ua hōʻea a ʻoi aku paha ma mua o ke kūlana Soviet a me ka pae maoli. Hoʻokumu ʻia nā mea pono āpau no ka ʻenekini ma Kina.

I kēia manawa, ka ʻoihana mea hoʻohui a ʻaʻohe o nā leʻaleʻa wela wela o nā relay. Hāʻawi ʻo Suzhou Huatan iā Halliburton a hana pinepine i nā pāʻina pāmahana kiʻekiʻe. ʻO ke Guiyang Product Division ke kuleana o ka ʻoki ʻana i nā palena, nā pono hana a me nā kihi, ke anuanu a me ka lubrication, a me nā mea i ka wā o ka hana ʻana i nā ʻāpana wela kiʻekiʻe. ʻAʻole lawa ka noiʻi ʻōnaehana ma ka hana ʻana, a makemake nui ʻia ka noiʻi ʻōnaehana i ka hana ʻana o nā mea wela mehana e waiho i ke kumu no ka hana nui o ka hana kiʻekiʻe. mea hoʻohui i ka wā e hiki mai ana. No laila, aia kahi koi nui e hoʻokō i ka noiʻi e pili ana i ka ʻenehana hana ʻana i ke anuanu kiʻekiʻe e kū ai i nā pono hana maoli o ka hale hana.

3. Māhele hoʻolālā ʻāpana

Nā ʻāpana o ke kui kele o ka wī ʻōpala koi i ka ikaika mechanical kiʻekiʻe a me ke kūpikipiki ikaika i ke kiʻekiʻe wela. ʻO ka lōʻihi o ka nui o ke kui kiki ka 32mm, a ʻo nā anawaena he φ1.2mm, φ1.5mm, a me φ1.58mm, no ka slender ʻōpala ʻāpana. , Maʻalahi e deform i ka wā o ka hana, a pono e kāohi ʻia ka deformation e hoʻokō i nā koina hana.

4. Koho paahana

Ma muli o ka hana ʻana o ka nickel-silicon alloy pono i ka paʻakikī nui, paʻa i ke ʻano, hoʻololi i ka wela maikaʻi, a me ka hana wela kiʻekiʻe ikaika, keu hoʻi ma 600 ℃, e hana ia i kahi hopena paʻa me ka oxygen a me ka nitrogen. Ke hana ʻana i ka oka a nickel-silicon, e hoʻonui nui ka paʻakikī o luna. Loaʻa kahi hopena abrasion ikaika. Ma muli o ke kūpaʻa ʻaʻa a me ke kūpaʻa wela kiʻekiʻe o nā pono hana i uhi ʻia, pono e hoʻohana i nā pono hana e like me ka hiki ke hana ʻia i nā ʻāpana oka pāmehana kiʻekiʻe.

ʻO nā mea hana cementide carbide i hoʻoheheʻe ʻia he ʻaneʻane kūpono no ke ʻoki ʻana i nā ʻano hana paʻakikī i ka mīkini, akā ʻokoʻa loa ka hana o ka uhi (hoʻokahi uhi a me ka uhi ahupapa). No laila, pono e koho ʻia i nā pale kūpono e like me nā ʻano hana ʻokoʻa nā mea pono hana. Hoʻohui a me DLC (Diamond Like Carbon) i hoʻohui ʻia me ka carbide sima i hoʻonui ʻia i ka laulā noi o nā pono hana i uhi ʻia, a koho makapō i nā pahi mea hou mai nā pono hana maoli, kahi e hoʻonui ai i nā kumukūʻai a hoʻohana i nā mea hou i ka hoʻokomo ʻana i ka pahi , inā pololei ʻole ka ʻoki a me ka helu hānai, e hoʻopili ia i ka maikaʻi o ka workpiece a me ke ola lawelawe o ka mea hana. No laila, i ke koho ʻana i nā ʻoki hoʻokomo no nā mea mīkini paʻakikī, pono ia e loiloi pono i ka hoʻokele waiwai o ka hana ʻana a noʻonoʻo āpau i ke kaʻina hana holoʻokoʻa.

Ma muli o ke kālailai ʻana o ke koho hāmeʻa, koho kēia ʻatikala iā Kyocera kuʻikuʻi hana ʻenemi kūikawā kūikawā a me nā mea hoʻokomo ʻeneki kūikawā kūikawā no Sandvik no ka hana ʻana i nā hoʻokolohua. Hōʻike ʻia ka hana o nā mea hana ʻoki i ka Papa 1.

5. Ka Ikepili no ka ʻoki ʻana i ka wai

Hiki i ka wai ʻoki ke hoʻoheheʻe i ka wai, kahi e hoʻololi ai i ka wela wikiwiki a me ka wai maikaʻi. ʻAʻole hiki ke hoʻohana i ka wai ʻokiʻoki i loko o ka chlorine. ʻAʻole hiki ke hoʻohui ʻia me ka aluminika, zinc a me nā mea pili, keleawe a me ke kēpau i ka wā o ka hana. Inā pau ka wai ʻoki i Chlorine a hoʻokuʻu i ka hydrogen i nā mahana kiʻekiʻe i ka wā o ke ʻoki, kahi e hopena ai ka hopena epidermal ma hope o ke komo ʻia e nickel, a hiki paha i ka wela-wela stress corrosion cracking o nā nickel alloys.

Hoʻohana nui ka ʻaha hoʻoheheʻe Workshop i ka inoa ʻo Flowserve, ʻo ke kumu hoʻohālikelike ECOCOOL EM5 kahi wai ʻoki wai hiki ke hoʻoheheʻe ʻia i ka wai a keʻokeʻo, a hōʻike ʻia kāna ʻano kemika i ka Papa 2. ʻo ka mea nui ka aila mineral, ʻaʻohe o ka chlorine, a kū i nā koina o nā ʻenekini nickel machining. Hiki i kēia ʻokiʻoki ke hoʻokō i nā koi o ka nickel mīkini hana ʻino.

6.Gibbscam polokalamu polokalamu

ʻO GibbsCAM kahi polokalamu CAM no nā mīkini cnc ʻāpana, keu hoʻi nā ʻenehana hana CAM ma ke kahua o ka huli a me ka wili. Ma waho aʻe o ka huli ʻana a me ka wili ʻana, kākoʻo pū ia i ka axis 2 i ka wili axis 5, e huli ana, e hoʻopili ana i ka mīkini mīkini hana nui a me ka ʻoki uea. ʻO kāna hiʻohiʻona nui loa kona interface concise, maʻalahi e aʻo a hoʻohana, a kūlike ke ʻano o ka hana me kā mākou hana hana. Komo i ka mākeke Kina i Iune 2008. Kūʻai kā mākou ʻoihana i ka polokalamu i Iulai Iulai 2009. Hoʻohana nui ʻia ia i ka hoʻohuli mīkini ʻana o ka ʻoihana, mīkini wili uila, hoʻololi ʻana i ka mīkini wili ʻana a me nā kikowaena mīkini ʻelima axis. Ke huli nei kēia ʻano pono hana, ka wili ʻana, a me ka ʻeli ʻana. , Boring, broaching (kau) a me nā hana ʻē aʻe, me nā koʻi X, Y, Z, C, E a me A. Hiki ke hoʻohana ʻia ka polokalamu CAM no kekahi pilina axis maha e ʻike ai i ka hana ʻana o nā ʻāpana paʻakikī. Me ka ʻokoʻa a me ka paʻakikī o nā ʻāpana hou, pono ia e hoʻohana i ka polokalamu polokalamu no ka polokalamu NC. Hōʻike ʻia ke ala hana o ka ʻāpana puʻupuʻu i ke kiʻi 4.

7. Ke hoʻohuli nei i ka loiloi hōʻoia hōʻoia

Ma muli o ka huli ʻana o ka ʻoki ʻana i kahi huli ʻoki hoʻokahi i kahi, nui ka ikaika o ka ʻoki, kahi e hana maʻalahi ai nā ʻāpana a maikaʻi ʻole ka ʻilikai. Pono pono e nānā i kēlā me kēia ʻāpana, hoʻololi i ka loli i ka manawa, a hoʻololi i nā palena o ka papahana a me ka uku o nā pono hana. I ka manawa like, no ka mea, he mīkini longitudinal keʻoki ʻana nā lakohana, ʻaʻole hoʻokaʻawale nā ​​lakohana i ka mīkini ʻino a maikaʻi, a me nā pono āpau āpau e hana ʻia i hoʻokahi pass, no laila ua kau ʻia nā koi kiʻekiʻe aʻe ma ka hana hana.

Ke ʻoki ʻana i ke kinikini nickel-chromium-nickel-silicon, kiʻekiʻe ke ana wela, haʻahaʻa ka mea hana, a ʻo ka wikiwiki o ka ʻoki ʻana ka mana nui loa i ka ana wela. ʻO ka maʻamau, mālama ʻia ka mea hana carbide sima ma 650 ℃ ～ 750. Ma o nā hoʻokolohua huli ʻana, loaʻa nā ana ʻoki aʻe:

1) ʻOhi wikiwiki vc

ʻO ka wikiwiki o ka ʻoki ʻana ka hopena nui loa i ka paʻa o ka mea hana. ʻOi aku ka maikaʻi e kau i ka wikiwiki o ka ʻoki ma lalo o ke kūlana o ka liʻiliʻi o ka hana o ka mea hana. Hiki ke hoʻonohonoho ʻia e like me ka paʻakikī a ʻoki ʻana i ka hohonu o nā mea ʻoki ʻokoʻa. E hoʻāʻo e koho i kahi wikiwiki o ka ʻoki ʻana i lalo e hana i nā kinona nickel. ʻO ka maʻamau, ʻo 20-50m / min ka wili palaoa ʻana, a 40-70m / min ka wili palaoa ʻana;

2) Huina hānai f

ʻAʻohe hopena o ka helu hānai i ka paʻa o ka mea hana. I ke kumu o ka hōʻoia ʻana i ka ʻino o ka ʻilikai o ka mīkini, hiki ke koho ʻia i kahi helu hānai nui aku. ʻO ka maʻamau, hiki ke koho ʻia ʻo 0.003 ～ 0.006mm / r, a ʻaʻole hiki ke nui ka hānai. E hana ka mea nui i ka wikiwiki, hoʻonui i ka ikaika o ka ʻoki, a hana i ka deformation o nā ʻāpana. No laila, maʻamau ʻaʻole ia e ʻoi aku ma mua o 0.006 mm / r;

3) Ka hohonu o ka ʻoki ap

Loaʻa ka hopena liʻiliʻi o ka hohonu o ka ʻoki i ka paʻa o ka mea hana. ʻO ka maʻamau, hiki ke hoʻohana ʻia kahi hohonu ʻoki ʻoi aku ka nui, i hiki ke pale i ka piko mea hana mai ka ʻoki ʻana i ka papa paʻakiki, a hiki nō hoʻi ke hoʻonui i ka lōʻihi o ka hana o ka ʻaoʻao mea hana, kahi mea e pono ai ka hoʻopau wela. ʻO ke ahonui Dimensional, ʻo ka hohonu o ke ʻoki e like ia me ka hakahaka i lawe ʻia i ka nui o ka ʻāpana, a ʻaʻole hiki ke hoʻoponopono lima ʻia.

Ma o ka hoʻohana ʻia ʻana o nā pahi kuʻikuʻi nikala kūikawā a Kyocera a me nā pahi kuʻikuʻi kūikawā kūikawā ʻo Sandvik no ka hōʻoia ʻana i ka hana, hōʻike ʻia nā hopena o ka ʻenekini cnc ma nā kiʻi 5 a 6. Maikaʻi ka hopena o nā ʻāpana, a ʻaʻohe ʻaʻa maopopo i ka mea hana. nui ka ʻino o nā ʻāpana i hana ʻia e nā pahi Sandvik, ʻaʻole hiki ke hoʻokō i nā koina o nā kaha kiʻi. No laila, hoʻohana ʻia nā pahi Kyocera no nā pahi pōʻai puni. Inā pono e hoʻopaʻa i kahi mana, ʻoi aku ka makemake o nā pahi Kyocera.

8. Summary

Ke kuhi nei i ka pilikia o ka pili ʻole o ka nickel-chromium-nickel-silicon alloy i ka hana, hoʻomaka kēia ʻatikala mai nā ʻano o nā pono hana a me nā kaʻina hana, hana i nā hoʻokolohua he nui, loaʻa kahi pono kūpono no ka nickel-chromium- me ka hana ʻana o ka nickel-silicon alloy, optimizing nā kaʻina hana, a hoʻonā i ka pilikia. I mea e hoʻonā ai i ka pilikia o ka hana ʻana o ka nickel-chromium-nickel-silicon alloy, ua hiki i ka hale hana ke hana i nā mea mai ka hiki ʻole ke hoʻoponopono iā ia. No ka manawa mua, hiki iā ia ke hana i nā pono hana nickel-chromium-nickel-silikone, kahi e hoʻomaikaʻi maikaʻi ai i ka maikaʻi o ka hana ʻana a me ka pono o ka mīkini cnc o nā ʻāpana. ʻO ka hana ʻana o nā pilina paʻa i hoʻokumu i ke kumu.

loulou i kēia ʻatikala: ʻO ka noiʻi ma Ni-Si Alloy Slender Shaft Turning Technology

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