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Kiekie Maemae Graphite Molds


Huahana Huahana

Hana ʻia nā poʻi kuʻuna maʻamau i ka metala.Eia nō naʻe, mai ka manaʻo o ka hana ʻana a me kā lākou manaʻo e hoʻohana ai i kēia mau ʻano o nā mold he paʻakikī ka lawe ʻana i nā ʻano paʻakikī a me ka hana ʻana me nā mea hoʻohui.ʻO kēia ka hopena o ka hoʻonui ʻana i ka wela ma waena o ka mold ponoʻī a me nā mea i hoʻonoho ʻia i loko.No laila, ua puka mai ka graphite ma ke ʻano he koho mua no ka hana ʻana i ka poʻi ma muli o kāna mau waiwai kino a me kemika.Ke kūʻai aku nei ʻo Jitai i kahi ʻano nui o nā mold graphite maʻemaʻe kiʻekiʻe e hiki ke hōʻemi nui i ke kumukūʻai pākahi no kā mākou mea kūʻai.

 

ʻO ka graphite kahi ʻano crystalline o ka carbon element me nā ʻano penei:

1. ʻOi aku ka maikaʻi o ka wela a me ka uila;

2. Kū'ē i ka ʻino kemika a ʻaʻole maʻalahi me nā ʻano metala

3. Haʻahaʻa wela hoʻonui coefficient a maikaʻi thermal paʻa

4. ʻO ka lubrication kūpono a me ke kū'ēʻana

5. Hana maikaʻi i ka wela loa (ʻoi aku ka nui o nā mahana keleawe matrix matrix sintering ma luna o 800 ℃).Piʻi ka ikaika me ka piʻi ʻana o ka mahana

6. ʻO ka hana machining maikaʻi, hiki ke hoʻohana ʻia no nā mold me nā ʻano paʻakikī a i nā kūlana e pono ai ka pololei kiʻekiʻe.

1. Hoʻohana ʻia no ka hoʻolei ʻana i nā metala non-ferrous.Ma muli o kona maikaʻi thermal conductivity a me ka pono-lubricating maikaʻi o ka mea, ka nui o ka ingot noho pololei, ka ili maʻemaʻe, a me kona crystalline hale noho like ma hope o ka nui pana.ʻAe kēia i ka hoʻonui ʻana i ka wikiwiki o ka hoʻolei ʻana, e hōʻoia ana e hiki ke hoʻomaka ka hana aʻe ma hope koke.Hoʻomaikaʻi nui kēia i ka nui o ka hua a me ka maikaʻi o ka huahana.

2. Molds no ke kaomi hoolei ana: Artificial graphite ua hoʻohana maikaʻi ʻia no ke kaomi ʻana i nā metala non-ferrous.No ka laʻana, hoʻohana pinepine ʻia nā mea hoʻoheheʻe zinc a me nā mea hoʻoheheʻe keleawe i hana ʻia me nā mea hoʻoheheʻe kaomi o nā mea graphite artificial i nā ʻāpana kaʻa.

3. graphite molds no centrifugal casting: graphite molds ua hoʻohana pono i ka centrifugal casting.Ua hoʻohana nā hui o ʻAmelika i nā ʻāpana graphite artificial me ka mānoanoa o ka pā ma mua o 25mm e hoʻolei i nā kumu keleawe keleawe, nā ʻōpala, a me nā lima lima.

4. ʻO nā mold kaomi wela: ʻO ka graphite artificial i hoʻohana ʻia i nā mold kaomi wela ʻelua mau hiʻohiʻona no ka sintering kaomi o nā carbide cemented:

A) Inā hoʻonui ʻia ka mahana ma ke kaomi ʻana i 1350 a 1450 ℃, hiki ke hoʻemi ʻia ke kaomi ʻāpana i makemake ʻia i ka 1/10 o ka mea e pono ai inā he anu ka ʻōpala.

B) Hoʻokō ʻia ka paʻi ʻana a me ka hoʻomehana ʻana i ka manawa like, a hiki ke loaʻa kahi kino sintered paʻa ma hope o ka manawa pōkole o ka sintering.

5. Molds no ke aniani hoʻoheheʻe ʻia: Ua lilo nā mea graphite i mea waiwai nui no ka hana ʻana me ke aniani.Hiki ke hoʻohana ʻia no ka hana ʻana i nā mole no nā paipu aniani, nā kuʻekuʻe lima, nā funnel a me nā ʻano ʻano like ʻole.

6. Hoʻopili i nā ʻāpana a me nā mea hoʻoheheʻe daimana ʻē aʻe.I kēia manawa ua hoʻohana nui ʻia a ua lilo ia i mea waiwai nui no ka hoʻomohala ʻana i ka ʻoihana semiconductor.

Hoʻohālikelike hana o nā mea hana maʻamau i hoʻohana ʻia a me nā mea hoʻohui

Mea waiwai

Paʻa nui

g/cm3

Koepika hoonui wela

10-6/℃

graphite

1.7

2.7

Aluminum

2.7

23

kila

7.86

12

ʻO ke kalapona/Epoxy

1.6

0~2.7

Uila aniani/Epoxy

1.9

12.6~23

 


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