No ka PVC, kapahu wiliwiliPono e ola i ka ʻino a me ka ʻaʻahu - Hoʻokuʻu ʻo PVC i ka waika hydrochloric i kāna hana ʻana, a me nā mea hoʻopihapiha e like me ka calcium carbonate e hoʻohui i ka abrasion. Ke kuhikuhi nei i abimetallic pahu wiliwilime kahi papa huila pale ʻino, ʻaʻole kahi nitrided maʻamau. E hoʻohālikelike iā ia me ka mīkini ʻākau - he māhoe māhoe conical no ka paipu paʻa a me nā laina kikoʻī, e like me ka hoʻopuka kiʻekiʻe - a hoʻolālā i ka wili no ka haʻahaʻa, a me ka ʻako ʻako e pale i kēia mea wela.
ʻO PVC kekahi o nā plastic extruded nui loa ma ka honua. ʻO ia hoʻi kekahi o nā mea paʻakikī loa i nā mea hana e hana ai. E koho i ka hewapahu wili no PVCa ʻaʻole ʻoe e hoʻopau wale i ka wā mua - loaʻa iā ʻoe ka lua o ka corrosion, nā ʻeleʻele ʻeleʻele, a me kahi pahu i ʻōpala i loko o nā makahiki ʻelua.
No laila pono kēia alakaʻi. He aha ka mea e paʻakikī ai ka PVC ma kahi pahu, ka ʻili a me nā koho mīkini e paʻa maoli, a pehea e kuhikuhi ai i kahi mea e mau ai. Ke kūkulu nei mākou i nā wili a me nā barela no ka paipu PVC, profile, a me ka papa i kēlā me kēia pule, no laila ʻaʻohe manaʻo o kēia. A inā ʻoe e ʻimi nei i kahi pani no ka mea ua ʻino a ʻeha paha kāu pahu i kēia manawa, ʻo ia ka loiloi like e haʻi iā ʻoe i ka mea e hoʻoponopono ai a pehea e ʻike ai i ka mea aʻe i ʻole e hana hou. No ka ʻike ākea e pili ana i nā ʻano, nā mea, a me nā koho, e ʻike i kā mākouextruder screw barrel alakaʻi.
No ke aha i paʻakikī ai ka PVC ma kahi pahu pahu
ʻElua mau mea e hui pū ana ma ke kila. ʻO ka mua, ka ʻinoʻino. I ka wela a me nā kaʻina hana o PVC, hāʻawi ia i ka hydrogen chloride - a me ka wai i loaʻa, ʻo ia ka hydrochloric acid, e hoʻouka ana i ke kila maʻamau a ʻai pololei ma kahi ʻili nitrided lahilahi. E hoʻolei i nā mea pale ahi a i ʻole kahi pūʻolo stabilizer ikaika a ʻoi aku ka maikaʻi o ke kemika.
ʻO ka lua, abrasion. ʻO ka hapa nui o nā pūhui PVC koʻikoʻi e lawe i nā mea hoʻopiha - calcium carbonate ma luna o nā mea a pau - me nā puaʻa a me nā mea hoʻololi e hoʻomaʻemaʻe i nā ʻāina lele a me nā ʻōpū e like me ka pepa one maikaʻi. No laila he PVCpahu wiliwililawe ʻelua pā: ʻino kemika a me ka ʻaʻahu mechanical, i ka manawa like. ʻAʻole mau ka ʻili e mālama i kekahi akā ʻaʻole kekahi.
Ma luna o nā mea ʻelua, hana ʻo PVC i kahi puka aniani haiki. Pono ʻo ia i ka wela no ka plasticize akā hoʻohaʻahaʻa ʻia ma luna o kēlā - a hoʻokuʻu ka degradation i nā hydrogen chloride hou aʻe, kahi e hānai ai i ka corrosion. He pōʻai ʻino. No laila, ʻaʻole e hakakā wale ka barela i ka waikawa a me ka hoʻopiha; ke hana nei ia i ka wā e holo kokoke ana ke kaʻina hana i ka lihi o ka mea a ka polymer e ʻae ai.
ʻO ka ʻili kūpono: No ke aha i lanakila ai ʻo Bimetallic no PVC
ʻO kēia ke kumu o ka bimetallic ke kāhea maʻamau no PVC. Abimetallic pahu wiliwilihoʻokuʻu i ka ʻāʻī a me ka ʻaʻahu-kū ʻole i ka ʻili - ma muli o ka nickel, e hakakā i ka ʻino o PVC - ma luna o kahi kila kumu paʻakikī. He mau millimeters ka mānoanoa o ia papa a ʻoi aku ka paʻakikī ma mua o ka ʻili nitrided, no laila, ma kahi e komo ai ka pahu nitrided maʻemaʻe a komo i loko, e haʻalele ka papa bimetallic i ka ʻakika a me ka mea hoʻopiha.
Ma kā mākou mau pahu bimetallic ponoʻī mākou e lawe i ka pahu ma kahi o 62 HRC, kahi i kū ai nā hale kūʻai he nui ma 58. Aia ke kālepa piha i kā mākou alakaʻi.bimetallic vs nitrided screw barrels. No ka PVC, ʻo ka pōkole pōkole kēia: hele bimetallic, a e hōʻoia i ke koho ʻana i ka alloy no ka pale ʻana i ka corrosion, ʻaʻole ka paʻakikī wale nō. ʻO kahi papa paʻa paʻa e hoʻoheheʻe mau ʻia ka papa hewa.
Hoʻokahi, māhoe, a i ʻole Conical no PVC?
Holo ka PVC ma nā māhoe māhoe ma mua o ka hoʻokahi, no ka mea, ʻo ka lawe ʻana i ka maikaʻi e hāʻawi i ka pololei a me ka maʻalahi o ka wela e pono ai kēia mea wela. No ka paipu paʻa a me nā laina profile, kawili māhoe conicalʻO ia ke koho kuʻuna - ʻo ka ʻāʻī hānai ākea e lawe i ka pauka maloʻo-hui ʻia a hana ka mīkini i ka torque kiʻekiʻe ma ka wikiwiki haʻahaʻa. No ka hoʻopuka kiʻekiʻe, lawe ʻia nā mīkini hoʻololi like ʻole.
Wehe mākou i kēlā hoʻoholo i lokomāhoe māhoe conical vs parallel māhoeawili hoʻokahi vs māhoe māhoeextruders. Akā ʻo kēlā me kēia hoʻonohonoho āu e pae ai, ʻaʻole e loli ka loiloi o luna. No PVC, he bimetallic ka pane.
Hoʻolālā ʻo Screw a Barrel no PVC
ʻO ka ʻili ka hapalua o ka moʻolelo; ʻo geometry ka hapa ʻē aʻe. Ma muli o ka hoʻohaʻahaʻa ʻana o PVC me ka wela a me ka manawa, ua hoʻolālā ʻia ka wili no ka haʻahaʻa, ʻoki a me kahi noho pōkole, hoʻomalu ʻia - lawa wale i ka plasticize i ka mea me ka ʻole o ka wela. Paʻa paʻa ka mahana ma ka barela. E kiʻi hewa i ka ʻaoʻao kaomi a i ʻole nā wahi wela a haʻi aku ʻo PVC iā ʻoe i ka manawa hoʻokahi, me ka hoʻoneʻe ʻana a me ka hōʻino ʻana i ka huahana.
He hana ʻenekinia-i-ka-mea kēia, ʻo ia ke kumu e paʻi ai kahi pahu kiʻi kiʻi, hana-i-spec i kahi maʻamau no PVC. ʻO ka pahu i ʻoki ʻia no ka polyolefin maʻemaʻe a kaomi ʻia i ka lawelawe PVC e hakakā iā ʻoe ma ka maikaʻi ma mua o ka pau ʻana.
Hoʻonohonoho ʻia ka ratio L/D a me ka hoʻopaʻa ʻana no kēlā hana maʻalahi like. Makemake nui ʻo PVC i ka L/D haʻahaʻa a me ka ratio hoʻemi haʻahaʻa ma mua o ka polyolefin, no laila e hana ʻia a hoʻomehana ʻia ka mea ma mua o ka smmed. E paʻi ikaika loa i ka hoʻopiʻi ʻana a hoʻoulu ʻoe i ka wela ʻāwili ʻaʻole hiki i ka polymer ke lawe. He puka aniani ia, a ʻo ka paʻi ʻana me ka hilinaʻi ʻo ia ke kumu i hoʻolālā ʻia ai nā wili PVC a puni ka pūhui kikoʻī, ʻaʻole i huki ʻia mai kahi papa.
ʻO ka hui maloʻo a i ʻole nā pellets? Hoololi ia i ka Hanai
Pehea ʻoe e hānai ai i ka PVC e hoʻohālike i ka ʻūwili a me ka pahu e like me ka polymer. ʻO ka PVC paʻa loa e holo ana ma ke ʻano he hui maloʻo - he pauka haʻahaʻa haʻahaʻa o ka resin, stabilizer, filler, a me nā mea hoʻololi i hui ʻia i loko o kahi blender kiʻekiʻe. ʻO ka pauda he ʻano nui a he ʻino ke haʻi ʻana, ʻo ia ke kumu i lilo ai ka māhoe conical māhoe, me kona ʻāʻī hānai ākea, i mea maʻamau: hopu ʻo ia i ka hui ʻana a hoʻopaʻa pono iā ia. ʻO ka pūhui PVC Pelletized, ma ka ʻokoʻa, hānai ʻia e like me ka resin maʻamau a kūpono i ka mīkini like. No laila ke hoʻopuka ʻoe i kahi pahu, e haʻi i ke ʻano āu e hānai ai - kuhikuhi pololei ia i ka hoʻolālā ʻāina hānai, a pinepine i ke ʻano mīkini ponoʻī.
Pipe PVC, Profile, UPVC a me CPVC: ʻAʻole like
Hoʻopili ʻo "PVC" i nā ʻano hana, a hoʻololi nā ʻokoʻa i ka spec:
- Paipu UPVC paakiki- ka hoʻohana ʻana i ka māhoe conical māhoe; ʻai pauka maloʻo maloʻo, barela bimetallic.
- Profile a me nā ʻōnaehana pukaaniani- nā hoʻonohonoho like, pinepine me nā ukana hoʻopihapiha kiʻekiʻe e hoʻonui ai i ka koi abrasion.
- CPVC (PVC chlorinated)— ʻoi aku ka ʻoi aku o ka ʻino a me ka wela, no laila, ʻoi aku ka nui o ka hui ʻana i ka corrosion-resistant a me ka mālama ʻana i ka mahana.
- PVC hikiwawe- plasticized a me ka haʻahaʻa haʻahaʻa, kahi hoʻolālā ʻokoʻa hou.
E haʻi pololei i kāu mea hana barela i ka PVC a me ka huahana āu e holo ai, no ka mea e hoʻokele i ka geometry screw a i kekahi manawa ke koho ʻana i ka alloy. ʻAʻole kahi kikoʻī piha o ka "pvc barrel" nona iho.
Nā pilikia PVC maʻamau a me kā lākou e haʻi ai iā ʻoe
Inā hele hewa kāu laina PVC, kuhikuhi nā hōʻailona ma kahi:
- ʻeleʻele a me ke ahi— hoʻohaʻahaʻa ʻia nā mea i loko o nā āwaha kahiko a i ʻole e noho ana ma luna o ka ʻili i ʻino.
- ʻO ka lua ma luna o ka wili a i ʻole ka lua- ka ʻinoʻino, he hōʻailona maʻamau ka hewa o ka ʻili no PVC.
- E hāʻule ana ka puka ma ka māmā like- ʻaʻahu i ka wehe ʻana i ka ʻae.
- ʻO ka hoʻololi ʻana ma o ka huahana- ka wela a i ʻole ka manawa noho ma waho o ka laulā.
ʻO nā mea mua ʻekolu, ʻo ia hoʻi, ʻaʻole i hōʻike ʻia ka pahu no PVC, a i ʻole ua pau. ʻO kā mākou alakaʻi ii ka wa e pani ai i ka pahu wiliwili wiliwilihele ma ke ana ana ma mua o kou hoʻoholo.
Ka mālama ʻana i kahi pahu PVC i ola
ʻOi aku ka paʻakikī o ka hoʻopaʻi ʻana i ka mālama ʻole ʻana ma mua o ka hapa nui o nā plastics, a ʻo ka mea maʻamau nui loa kēia: mai haʻalele iā PVC e noho ana i loko o kahi pahu wela. Hoʻopaʻa ʻia i ka mahana me ka kahe ʻole, hoʻohaʻahaʻa ia, hoʻokuʻu i ka hydrogen chloride hou aʻe, a corrodes i ka lua mai loko mai - hiki i kahi laina paʻa me ka pahu piha ke hana ʻino maoli i nā minuke. E hoʻomaʻemaʻe me kahi mea paʻa, kūpono ma mua o ka hoʻomaha a pani ʻana paha, a hoʻohaʻahaʻa koke i nā mahana.
ʻO kekahi mau hana maʻamau e hoʻolōʻihi i ke ola o kahi PVCpahu wiliwili: E mālama i ka meaʻai maʻemaʻe i ka metala a me ka ʻeleʻele, e hoʻopaʻa paʻa i ka ʻaoʻao wela i ʻole e wela loa ka polymer, a e hoʻopaʻa i ka heluhelu ʻae ʻana i kēlā me kēia lawelawe no laila ʻaʻole e kāhāhā kou ʻaʻahu. ʻAʻohe mea paʻakikī. Akā ma PVC, ʻo ka lele ʻana i ke ʻano o ka hoʻololi ʻana o ka pahu maikaʻi i mau makahiki ma mua.
Pehea e wehewehe ai a e kauoha ai i kahi pahu pahu PVC
Hāʻawi kahi kikoʻī maʻemaʻe iā ʻoe i kahi ʻōlelo pololei a me kahi pahu e hāʻule i loko a holo. E hoʻouna i kāu mea hana:
- Hana a me ka mīkini hana- e hoʻohālikelike i ke kūpono, ka lōʻihi, a me ke kau ʻana.
- ʻO ke anawaena wili a me L/D, a i ʻole ke kiʻi kumu.
- ʻO wai PVC- UPVC, CPVC, maʻalahi - a me ka ukana hoʻopiha.
- ʻO ka huahana a me ka huahana- ka nui o ka paipu, ka ʻike, ka kg / h.
- He laʻana a kiʻi pahao ka mea kahiko, ina he pani.
Mai laila mai kahi mea hana maikaʻi e kuhikuhi i ka ʻili (bimetallic no PVC), ka geometry screw, a me ka alloy, a laila ʻōlelo kūʻē i kāu mau helu maoli ma mua o kahi papa inoa maʻamau.
ʻAʻohe kaha kiʻi? Maikaʻi ia - ua lawa ka laʻana kahiko e hoʻohuli i ka ʻenekinia i kahi pani pololei, a i ʻole kahi mea i hoʻomaikaʻi ʻia me ka ʻili bimetallic ʻoi aku ka paʻakikī ma mua o ka ʻāpana āu e hoʻomaha ai. Ma kēlā me kēia ʻaoʻao e loaʻa iā ʻoe kahi pahu i hoʻohālikelike ʻia me kāu PVC a me kāu mīkini, ʻaʻole kahi ʻāpana papa inoa kokoke e hakakā iā ʻoe mai ka lā hoʻokahi.
No ke aha e hana ai me Nanhaiya
ʻO PVC ka mea nui i kā mākou hana. No ka iwakālua makahiki a mākou i kūkulu aiʻO nā pahu wili paipu PVC, nā huila māhoe conical, a me nā barela like i loko o 38CrMoAlA a me nā huila bimetallic, e lawe ana i ka lua bimetallic ma kahi o 62 HRC no ka ʻinoʻino a hoʻolei i ka PVC ma laila. Ke kūkulu nei mākou i nā pani i kūpono me nā hōʻailona nui e like me KraussMaffei, Cincinnati, a me Jwell, e hana ana mai kāu kumu hoʻohālike, kahi kiʻi, a i ʻole kahi laʻana. Ke holo nei i loko o ka PVC corrosion a i ʻole ke komo ʻana i ka pahu wili? E nānā i kā mākoupani pania i ʻole e hoʻouna i kahi kaha kiʻi, a e loaʻa iā ʻoe kahi ʻōlelo kikoʻī i loko o ʻumikumamālua hola.
Ke kuhikuhi nei a hoʻololi paha i kahi pahu pahu PVC? E hoʻouna i kāu mīkini a me ke ʻano PVC - e kiʻi i kahi ʻōlelo aʻoaʻo bimetallic a ʻōlelo i loko o 12 mau hola.
E kiʻi i kahi hōʻike PVC BarrelNīnau pinepine
No ke aha e ʻino ai ʻo PVC i ka pahu wili?
I ka wela a me nā kaʻina hana o PVC, hāʻawi ia i ka hydrogen chloride - a me ka wai a puni, lilo ia i wai hydrochloric, e hoʻouka i ke kila maʻamau. ʻAi ʻo ia ma kahi ʻili nitrided lahilahi me ka wikiwiki, ʻo ia ke kumu e pono ai nā laina PVC i kahi bimetallic kūpaʻa-corrosion.pahu wiliwili.
He aha ka mea ʻoi aku ka maikaʻi loa no ka PVC?
He barela bimetallic me ka nickel-based, corrosion-resistant alloy layer ma luna o ke kila kumu ikaika. Lawe ia i ka ʻino mai PVC a me ka abrasion mai nā mea hoʻopihapiha e like me ka calcium carbonate - ʻo ka hui pū ʻana e lua a komo i loko o kahi pahu nitrided maʻamau.
Makemake au i ka bimetallic no PVC, a i ʻole ua lawa ka nitrided?
No PVC paʻa, ʻo ka bimetallic ke kelepona maʻamau. He mea ʻino ka PVC a, me nā mea hoʻopihapiha, abrasive pū kekahi, a ʻo ka ʻili nitrided ʻoi aku ka lahilahi no ka lōʻihi. Hiki ke loaʻa i ka Nitrided ma ka hana haʻahaʻa, hoʻopiha ʻole, haʻahaʻa - akā no ka hana PVC, ʻo ka bimetallic ka koho palekana.
He aha ke ʻano extruder maikaʻi loa no ka paipu PVC?
ʻO ka maʻamau he māhoe māhoe, no kona pololei, ka hoʻomalu wela mālie. Liʻiliʻi nā laina liʻiliʻi liʻiliʻi a waena ma luna o ka māhoe māhoe conical a me kona puʻu hānai ākea no ka pauka maloʻo; neʻe nā laina puka kiʻekiʻe i nā mīkini hoʻololi kūʻē like.
Hiki iā ʻoe ke hana i kahi pahu wili PVC pani no kaʻu mīkini?
ʻAe. Ke kūkulu nei mākou i nā pahu PVC bimetallic a me nā pahu pahu i kūpono i nā hōʻailona extruder nui - KraussMaffei, Cincinnati, Jwell - e hana ana mai kāu mīkini mīkini, kahi kiʻi, a i ʻole kahi laʻana. E hoʻouna i nā kikoʻī no kahi ʻōlelo i loko o 12 mau hola.
