ʻAʻole like nā kiʻiʻoniʻoni a pau. Hoʻokumu kēia i nā pilikia no ka winder a me ka mea hoʻohana. Eia pehea e hana ai me lakou. # ʻōlelo aʻoaʻo hana # hana maikaʻi loa
Ma nā makani ʻili waena, hoʻomalu ʻia ka ʻāʻī o ka pūnaewele e nā kaʻa ʻili i hoʻopili ʻia me ka stacker a i ʻole ke kuʻi ʻana i nā wili no ka hoʻomaikaʻi ʻana i ka slitting pūnaewele a me ka hoʻolaha pūnaewele. Hoʻomalu kūʻokoʻa ʻia ka ʻāʻī ʻana i ka ʻoʻoleʻa coil.
I ka wili ʻana i ke kiʻiʻoniʻoni ma luna o ka makani kikowaena maʻemaʻe, hoʻokumu ʻia ka ʻāwili pūnaewele e ka torque wili o ke kikowaena kikowaena. Hoʻonohonoho mua ʻia ka ʻona pūnaewele i ka ʻoʻoleʻa ʻōwili i makemake ʻia a laila hoʻemi mālie ʻia ke piʻi ʻana o ke kiʻiʻoniʻoni.
I ka wili ʻana i ke kiʻiʻoniʻoni ma luna o ka makani kikowaena maʻemaʻe, hoʻokumu ʻia ka ʻāwili pūnaewele e ka torque wili o ke kikowaena kikowaena. Hoʻonohonoho mua ʻia ka ʻona pūnaewele i ka ʻoʻoleʻa ʻōwili i makemake ʻia a laila hoʻemi mālie ʻia ke piʻi ʻana o ke kiʻiʻoniʻoni.
I ka wā e wili ai i nā huahana kiʻiʻoniʻoni ma ke kikowaena / ʻili makani, hoʻohana ʻia ka pinch roller no ka hoʻomalu ʻana i ka naʻau pūnaewele. ʻAʻole pili ka manawa wili i ka hoʻopaʻapaʻa pūnaewele.
Inā maikaʻi nā pūnaewele kiʻiʻoniʻoni a pau, ʻaʻole pilikia nui ka hana ʻana i nā ʻōwili maikaʻi. ʻO ka mea pōʻino, ʻaʻole i loaʻa nā kiʻiʻoniʻoni kūpono ma muli o nā ʻano like ʻole o nā resins a me nā inhomogeneities i ka hoʻokumu ʻana i ke kiʻiʻoniʻoni, ka uhi ʻana, a me nā mea i paʻi ʻia.
Me kēia i ka noʻonoʻo, ʻo ka hana o nā hana wili e hōʻoia i ka ʻike ʻole ʻia o kēia mau hemahema a ʻaʻole e piʻi aʻe i ka wā o ka wili. Pono ka mea hoʻokele makani e hōʻoia ʻaʻole e pili hou ke kaʻina hana wili i ka maikaʻi o ka huahana. ʻO ka paʻakikī hope loa, ʻo ia ka makani i ke kiʻi ʻoniʻoni maʻalahi i hiki ke hana maʻalahi i ka hana hana a ka mea kūʻai aku a hana i kahi huahana kiʻekiʻe no kā lākou mea kūʻai.
ʻO ke koʻikoʻi o ka paʻa kiʻiʻoniʻoni ʻo ke kiʻiʻoniʻoni a i ʻole ka ʻāwili ʻana, ʻo ia ka mea nui i ka hoʻoholo ʻana inā maikaʻi a maikaʻi ʻole paha kahi kiʻiʻoniʻoni. E ʻeha ʻia ka ʻeha ʻōwili me ka palupalu "ma waho o ka pōʻai" ke ʻeha, mālama ʻia, a mālama ʻia paha. He mea koʻikoʻi ka pōʻai o nā ʻōwili i ka mea kūʻai aku i hiki ke hana i kēia mau ʻōwili i ka wikiwiki o ka hana ʻana me ka mālama ʻana i nā hoʻololi liʻiliʻi.
Hiki i nā ʻōwili ʻeha paʻa ke hoʻopilikia iā lākou iho. Hiki iā lākou ke hana i nā pilikia ālai ʻana i ka wā e hui ai nā papa. I ka wili ʻana i kahi kiʻi ʻoniʻoni ma luna o kahi ʻano pā lahilahi, ʻo ka wili ʻana i kahi ʻōwili ʻoʻoleʻa hiki ke haki ke kumu. Hiki i kēia ke hoʻopilikia i ka wehe ʻana i ke kumu a i ʻole ke hoʻokomo ʻana i ka lāʻau a i ʻole chuck i ka wā o nā hana hoʻomaha.
Hiki ke hoʻonui i nā hemahema o ka pūnaewele i kahi ʻōwili i ʻeha loa. He mau wahi kiʻekiʻe a haʻahaʻa iki nā kiʻiʻoniʻoni ma ka ʻāpana keʻa o ka mīkini kahi i ʻoi aku ka mānoanoa a i ʻole ka lahilahi o ka pūnaewele. I ka wili ʻana i ka dura mater, ʻāwili nā wahi mānoanoa nui kekahi i kekahi. Ke hōʻeha ʻia nā haneli a i ʻole mau kaukani paha o nā papa, hana nā ʻāpana kiʻekiʻe i nā kualono a i ʻole nā kuhi ma ka ʻōwili. Ke hohola ʻia ke kiʻiʻoniʻoni ma luna o kēia mau kuhi, hoʻololi ia. Hana kēia mau wahi i nā hemahema i kapa ʻia ʻo "pockets" i loko o ke kiʻiʻoniʻoni i ka wā e wehe ai ka ʻōwili. Hiki i ka puka makani pa'a me ka mānoanoa ma kahi kokoke i ka mānoanoa lahilahi ke alaka'i i nā pō'ino o ka puka makani i kapa 'ia he waviness a i 'ole nā kaha kaula ma ka puka makani.
ʻAʻole e ʻike ʻia nā hoʻololi liʻiliʻi o ka mānoanoa o ka ʻōwili ʻeha inā lawa ka ea i ʻeha i loko o ka ʻōwili ma nā ʻāpana haʻahaʻa a ʻaʻole kikoo ka pūnaewele ma nā ʻāpana kiʻekiʻe. Eia nō naʻe, pono e ʻeha ʻia nā ʻōwili a hiki i ka poepoe a mau loa i ka wā e lawelawe ai a mālama ʻia.
Hoʻokaʻawale i nā ʻano like ʻole o ka mīkini a me ka mīkini ʻO kekahi mau kiʻi ʻoniʻoni maʻalahi, inā i ka wā o kā lākou extrusion a i ʻole i ka wā o ka uhi ʻana a me ka lamination, loaʻa nā ʻano ʻokoʻa mānoanoa o ka mīkini i ka mīkini ʻaʻole hiki ke pololei me ka hoʻonui ʻole i kēia mau hemahema. No ka hoʻomāmā ʻana i nā ʻano like ʻole o ka ʻōwili mīkini me ka mīkini, neʻe ka pūnaewele a i ʻole slitter rewinder a me ka winder e pili ana i ka pūnaewele ke ʻoki ʻia a ʻeha ka pūnaewele. Kapa ʻia kēia neʻe ʻaoʻao o ka mīkini he oscillation.
I mea e oscillate maikaʻi ai, pono e kiʻekiʻe ka wikiwiki e hoʻololi like i ka mānoanoa, a me ka haʻahaʻa i ʻole e warp a wrinkle i ke kiʻiʻoniʻoni. He 25 mm (1 iniha) no kēlā me kēia minuke 150 m/min (500 ft/min) ka lula o ka manamana lima no ka wikiwiki o ka haʻalulu. ʻO ke kūpono, hoʻololi ka wikiwiki oscillation i ka like me ka wikiwiki o ka wili.
ʻIkepili Paʻa Paʻa Pūnaewele Ke ʻoki ʻia kahi ʻōwili o nā mea kiʻi ʻoniʻoni maʻalahi i loko o ka ʻōwili, aia ka haʻalulu i ka ʻōwili a i ʻole ke koʻikoʻi koena. Inā nui kēia koʻikoʻi i ka wā o ka wili ʻana, e kau ʻia ka wili i loko i ke kumu i nā haʻahaʻa compressive kiʻekiʻe. ʻO kēia ke kumu o nā hemahema "bulge" ma nā wahi kūloko o ka coil. I ka wili ʻana i nā kiʻi ʻoniʻoni paheʻe ʻole a paheʻe loa, hiki ke wehe ʻia ka papa o loko, ʻo ia ka mea e wili ai ka ʻōwili i ka wā e ʻeha ai a i ʻole i ka wā e wehe ʻia ai. No ka pale ʻana i kēia, pono e ʻeha ʻia ka bobbin a puni ke kumu, a laila e emi iho i ka piʻi ʻana o ke anawaena.
ʻO kēia ka mea maʻamau i kapa ʻia ʻo ka rolling hardness taper. ʻO ka ʻoi aku ka nui o ke anawaena o ka bale ʻeha i hoʻopau ʻia, ʻoi aku ka nui o ka profile taper o ka bale. ʻO ka mea huna o ka hana ʻana i ke kila stiffness maikaʻi, ʻo ia ka hoʻomaka ʻana me kahi kumu ikaika maikaʻi a laila e hoʻoheheʻe ʻia me ka hoʻohaʻahaʻa haʻahaʻa ʻana i nā wili.
ʻO ka ʻoi aku ka nui o ke anawaena o ka bale ʻeha i hoʻopau ʻia, ʻoi aku ka nui o ka profile taper o ka bale.
Pono ke kahua pa'a maika'i e ho'omaka ka wiliwili me ke kumu ki'eki'e, mālama pono. ʻO ka hapa nui o nā mea kiʻiʻoniʻoni e ʻeha ʻia ma kahi kumu pepa. Pono e ikaika ke kumu no ka pale ʻana i ke koʻikoʻi wiliwili compressive i hana ʻia e ke kiʻiʻoniʻoni i ʻeha a puni ke kumu. ʻO ka mea maʻamau, hoʻomaloʻo ʻia ke kumu pepa i loko o ka umu a hiki i ka maʻamau o 6-8%. Inā mālama ʻia kēia mau cores i kahi ʻāina haʻahaʻa kiʻekiʻe, e hoʻomoʻa lākou i kēlā wai a hoʻonui i kahi anawaena nui aʻe. A laila, ma hope o ka hana wili, hiki ke hoʻomaloʻo ʻia kēia mau cores i kahi haʻahaʻa haʻahaʻa a hoʻemi i ka nui. Ke hana ʻia kēia, e pau ke kumu o ka hoʻolei ʻeha paʻa! Hiki i kēia ke alakaʻi i nā hemahema e like me ka warping, bulging a/a i ʻole protrusion o nā ʻōwili ke lawelawe ʻia a wehe ʻia paha.
ʻO ka hana hou aʻe i ka loaʻa ʻana o ke kumu wili maikaʻi e pono ai ka hoʻomaka ʻana i ka wili me ka ʻoi loa o ka ʻoʻoleʻa o ka coil. A laila, i ka wā e ʻeha ai ka ʻōwili o nā mea kiʻiʻoniʻoni, pono e emi like ka rigidity o ka ʻōwili. ʻO ka hoʻemi ʻia ʻana o ka paʻakikī ʻōwili ma ke anawaena hope he 25% a 50% o ka paʻakikī kumu i ana ʻia ma ke kumu.
ʻO ke kumukūʻai o ka ʻoʻoleʻa o ka ʻōwili mua a me ka waiwai o ka taper o ka ʻāwili wiliwili maʻamau e hilinaʻi ʻia ma ka lakene kūkulu ʻia o ka ʻōwili ʻeha. ʻO ka mea piʻi ka lakio o ke anawaena o waho (OD) o ke kumu i ke anawaena hope o ka ʻōwili ʻeha. ʻO ka ʻoi aku ka nui o ke anawaena wili hope o ka bale (ʻo ke kiʻekiʻe o ka hale), ʻoi aku ka nui o ka hoʻomaka ʻana me kahi kumu ikaika maikaʻi a me ka makani ʻana i nā bale palupalu. Hāʻawi ka Papa 1 i ka lula o ka manamana lima no ka pae i ʻōlelo ʻia o ka hoʻemi ʻana i ka paʻakikī ma muli o kahi kumu kumulative.
ʻO nā mea hana wili i hoʻohana ʻia no ka hoʻopaʻa ʻana i ka pūnaewele ʻo ia ka ikaika pūnaewele, ke kaomi iho (paʻi a i ʻole nā mea hoʻoheheʻe a i ʻole nā wili makani), a me ka wili wili mai ke kikowaena waena ke wili i nā pūnaewele kiʻiʻoniʻoni ma ke kikowaena/luna. Kūkākūkā ʻia kēia mau mea i kapa ʻia ʻo TNT winding principles ma kahi ʻatikala ma Ianuali 2013 pukana o Plastics Technology. ʻO ka mea aʻe e wehewehe nei pehea e hoʻohana ai i kēlā me kēia o kēia mau mea hana e hoʻolālā i nā mea hōʻike paʻakikī a hāʻawi i kahi lula o ka manamana lima no nā kumu waiwai mua e kiʻi ai i nā mea hōʻike paʻakikī ʻōwili e pono ai no nā ʻano mea hoʻopili maʻalahi.
ʻO ke kumu o ka ikaika wili pūnaewele. I ka wili ʻana i nā kiʻi ʻoniʻoni elastic, ʻo ka ʻāʻī ʻana o ka pūnaewele ke kumu wili nui i hoʻohana ʻia e kāohi i ka ʻoʻoleʻa o ka ʻōwili. ʻOi aku ka paʻa o ke kiʻiʻoniʻoni ma mua o ka wili ʻana, ʻoi aku ka paʻakikī o ka ʻōwili ʻeha. ʻO ka paʻakikī ʻo ka hōʻoia ʻana ʻaʻole i hoʻokumu ʻia ka nui o ka hoʻopaʻapaʻa pūnaewele i nā koʻikoʻi mau loa i ke kiʻiʻoniʻoni.
E like me ka hoike ana ma ka fig. 1, i ka wā e wili ai i ke kiʻiʻoniʻoni ma kahi mea hoʻoheheʻe kikowaena maʻemaʻe, hoʻokumu ʻia ka ʻāʻī o ka pūnaewele e ka torque wili o ke kikowaena kikowaena. Hoʻonohonoho mua ʻia ka ʻona pūnaewele i ka ʻoʻoleʻa ʻōwili i makemake ʻia a laila hoʻemi mālie ʻia ke piʻi ʻana o ke kiʻiʻoniʻoni. ʻO ka ikaika o ka pūnaewele i hana ʻia e ke kikowaena kikowaena e hoʻomalu mau ʻia i loko o kahi puka pani me nā manaʻo mai kahi mea ʻike hoʻopaʻapaʻa.
Hoʻoholo maʻamau ʻia ka waiwai o ka ikaika maka mua a me ka hope no kekahi mea. ʻO ke kānāwai maikaʻi no ka pae ikaika pūnaewele ʻo 10% a 25% o ka ikaika tensile o ke kiʻiʻoniʻoni. Nui nā ʻatikala i paʻi ʻia e hōʻike i ka nui o ka ikaika pūnaewele no kekahi mea pūnaewele. Hōʻike ka papa 2 i nā hoʻopaʻapaʻa i manaʻo ʻia no nā mea pūnaewele he nui i hoʻohana ʻia i loko o ka puʻupuʻu maʻalahi.
No ka wili ʻana i kahi mea hoʻoheheʻe waena maʻemaʻe, pono e pili ka ʻāʻī mua i ka hopena o luna o ka pae hoʻopaʻapaʻa i ʻōlelo ʻia. A laila e hoʻemi mālie i ka ʻāwili ʻana i ka pae haʻahaʻa i ʻōlelo ʻia ma kēia papa.
Hoʻoholo maʻamau ʻia ka waiwai o ka ikaika maka mua a me ka hope no kekahi mea.
I ka wā e wili ai i kahi pūnaewele laminated i haku ʻia me nā mea like ʻole, no ka loaʻa ʻana o ka manaʻo kiʻekiʻe i manaʻo ʻia no ka hoʻolālā laminated, e hoʻohui wale i ka manaʻo nui loa o ka pūnaewele no kēlā me kēia mea i hoʻopaʻa ʻia (ʻo ka mea maʻamau me ka ʻole o ka uhi a i ʻole ka papa hoʻopili) a kau i ka. ka huina hou o keia mau pilikia. e like me ka ʻoi loa o ka manaʻo o ka pūnaewele laminate.
ʻO kahi mea nui i ka hoʻopaʻapaʻa i ka wā e laminating ai i nā hui kiʻiʻoniʻoni maʻalahi, ʻo ia ka pono e hoʻopaʻa ʻia nā pūnaewele pākahi ma mua o ka lamination i mea like ka deformation (elongation o ka pūnaewele ma muli o ka hoʻopaʻapaʻa pūnaewele) no kēlā me kēia pūnaewele. Inā ʻoi aku ka nui o ka huki ʻana o kekahi pūnaewele ma mua o nā pūnaewele ʻē aʻe, hiki ke loaʻa nā pilikia o ka curling a i ʻole delamination, i kapa ʻia ʻo "tunneling", ma nā pūnaewele laminated. ʻO ka nui o ka haʻalulu ʻo ia ka ratio o ka modulus i ka mānoanoa pūnaewele e pale ai i ka curling a/a i ʻole ka tunneling ma hope o ke kaʻina lamination.
Ke kumu o ka nahu spiral. I ka wili ʻana i nā kiʻiʻoniʻoni non-elastic, ʻo ka hoʻopaʻa ʻana a me ka torque nā kumu wili nui i hoʻohana ʻia e kāohi i ka ʻoʻoleʻa o ka ʻōwili. Hoʻoponopono ka pipili i ka ʻoʻoleʻa o ka ʻōwili ma ka wehe ʻana i ka pae palena o ka ea e hahai ana i ka pūnaewele i loko o ka ʻōwili lawe. Hoʻokumu pū ka paʻi ʻana i ka ʻāʻī ma ka ʻōwili. ʻO ka ʻoi aku ka ʻoi aku o ka ʻoi aku ka ʻoi aku o ka ʻoi aku o ka ʻoi aku ka ʻoi aku o ka ʻoi aku ka ʻoi aku o ka ʻoi aku ka ʻoi aku o ka ʻoi aku ka ʻoi aku o ka ʻoi aku ka ʻoi aku o ka ʻoi aku ka ʻoi aku o ke koʻikoʻi o ka wili wili. ʻO ka pilikia me ka wili ʻana i nā kiʻi ʻoniʻoni maʻalahi e hāʻawi i ke kaomi haʻahaʻa e hoʻoneʻe i ka ea a e hoʻoneʻe i kahi ʻōwili paʻa a pololei me ka ʻole o ka hoʻoulu ʻana i ka ʻāʻī ʻana o ka makani i ka wā o ka wili ʻana e pale ai i ka ʻōwili ʻia mai ka nakinaki ʻana a i ʻole ka wili ʻana i nā wahi mānoanoa e hoʻololi i ka pūnaewele.
ʻOi aku ka liʻiliʻi o ka hoʻouka ʻana i ka hoʻouka ʻana i nā mea ma mua o ka hoʻopaʻapaʻa pūnaewele a hiki ke ʻano like ʻole ma muli o ka mea a me ka ʻoʻoleʻa pono. No ka pale ʻana i ka wrinkling o ke kiʻi ʻeha i hana ʻia e ka nip, ʻo ka ukana i loko o ka nip ka mea liʻiliʻi e pono ai e pale i ka ea mai ka paʻa ʻana i ka ʻōwili. Hoʻomau mau ʻia kēia haʻahaʻa nip ma nā mea makani waena no ka mea e hāʻawi ke ʻano i ka ikaika hoʻouka nip mau no ka cone kaomi ma ka nip. I ka nui aʻe o ke anawaena o ka ʻōwili, ʻoi aku ka nui o ka wahi hoʻopili (a) o ke āpau ma waena o ka huila wili a me ka ʻōwili kaomi. Inā hoʻololi ka laulā o kēia mele mai 6 mm (0.25 iniha) ma ke kumu a 12 mm (0.5 ʻīniha) ma ka ʻōwili piha, e hoʻemi ʻia ke kaomi makani e 50%. Eia kekahi, i ka piʻi ʻana o ke anawaena o ka wili wili, piʻi pū ka nui o ka ea ma hope o ka ʻili o ka roller. Hoʻonui kēia ʻāpana palena o ka ea i ke kaomi hydraulic i ka hoʻāʻo e wehe i ke āpau. ʻO kēia piʻi nui e hoʻonui i ka taper o ka ukana pipili i ka piʻi ʻana o ke anawaena.
Ma nā makani ākea a wikiwiki hoʻi i hoʻohana ʻia no ka wili ʻana i nā ʻōwili anawaena nui, pono paha e hoʻonui i ka ukana ma ka wili wili e pale ai i ke komo ʻana o ka ea i ka ʻōwili. Ma ka fig. Hōʻike ʻo 2 i kahi mea hoʻoheheʻe kiʻiʻoniʻoni waena me kahi ʻōwili paʻi paʻa i ka ea e hoʻohana ana i nā mea hana hoʻopaʻapaʻa a hoʻopaʻa i ka ʻoʻoleʻa o ka ʻōwili wili.
I kekahi manawa ʻo ka ea ko mākou hoaaloha. ʻO kekahi mau kiʻiʻoniʻoni, ʻoi aku ka "sticky" kiʻiʻoniʻoni kiʻekiʻe-friction i loaʻa nā pilikia me ka like ʻole, koi ʻia i ka ʻāwili ʻana. Hiki i ka wili ʻana i ka ea liʻiliʻi ke huki ʻia i loko o ka bale no ka pale ʻana i nā pilikia paʻa o ka pūnaewele i loko o ka bale a kōkua i ka pale ʻana i ka pūnaewele ke hoʻohana ʻia nā ʻāpana mānoanoa. No ka hoʻoheheʻe maikaʻi ʻana i kēia mau kiʻi ʻoniʻoni, pono e mālama ka hana wili i kahi āpau liʻiliʻi mau ma waena o ka ʻōwili paʻi a me ka mea wili. ʻO kēia āpau liʻiliʻi a hoʻomalu ʻia e kōkua i ke ana i ka ʻeha o ka ea ma luna o ka ʻōwili a alakaʻi pololei i ka pūnaewele i loko o ka makani e pale ai i ka wrinkling.
ʻO ke kumu wili wili. ʻO ka mea hana torque no ka loaʻa ʻana o ka ʻoʻoleʻa ʻōwili ka ikaika i kūkulu ʻia ma waena o ka ʻōwili wili. Hoʻouna ʻia kēia ikaika ma o ka papa mesh kahi e huki ai a huki paha i ka ʻōwili o loko o ke kiʻiʻoniʻoni. E like me ka mea i ʻōlelo mua ʻia, hoʻohana ʻia kēia torque e hana i ka ikaika pūnaewele ma ka wili waena. No kēia mau ʻano winders, ʻo ka hoʻopaʻapaʻa pūnaewele a me ka torque i like ke kumu wili.
I ka wiliʻana i nā huahana kiʻiʻoniʻoni ma ke kikowaena waena / ka makani makani, ua hoʻoikaikaʻia nā'ōwili kuʻi e hoʻomalu i ka manaʻo o ka pūnaewele e like me ka mea i hōʻikeʻia ma ke Kiʻi 3. ʻO ke kuʻekuʻe pūnaewele e komo i ka winder he kūʻokoʻa ia i ka hoʻouluulu wili i hanaʻia e kēia torque. Me ka hoʻopaʻapaʻa mau o ka pūnaewele e komo ana i ka winder, e mālama mau ʻia ke ʻano o ka pūnaewele e komo mai ana.
Ke ʻoki a hoʻihoʻi hou i ke kiʻiʻoniʻoni a i ʻole nā mea ʻē aʻe me ka lākiō Poisson kiʻekiʻe, pono e hoʻohana ʻia ka wili waena / ʻili, ʻokoʻa ka laulā ma muli o ka ikaika o ka pūnaewele.
I ka wili ʻana i nā huahana kiʻiʻoniʻoni ma luna o ka mīkini wili waena/luna, hoʻomalu ʻia ka ʻāwili ʻana ma kahi puka hāmama. ʻO ka maʻamau, ʻo 25-50% ʻoi aku ka nui o ka haʻalulu wili mua ma mua o ke ʻano o ka pūnaewele e hiki mai ana. A laila, i ka piʻi ʻana o ke anawaena o ka pūnaewele, e hoʻemi mālie ʻia ka ʻāwili ʻana, hiki a i ʻole ka liʻiliʻi ma mua o ke ʻano o ka pūnaewele e hiki mai ana. Ke ʻoi aku ka ʻoi aku o ka ʻāwili ʻana ma mua o ka hoʻopaʻapaʻa pūnaewele e hiki mai ana, e hoʻohou hou a hoʻoulu ʻia ka puʻupuʻu puʻupuʻu o ka ʻili uila. Ke piʻi aʻe ke anawaena o ka huila wili, e hāʻawi ka huakaʻi huakaʻi i ka liʻiliʻi a me ka emi o ka braking a hiki i ka zero torque; a laila, e like ka ʻāwili ʻana me ka ʻāwili pūnaewele. Inā hoʻolālā ʻia ka ʻāʻī o ka makani ma lalo o ka ikaika o ka pūnaewele, e huki ka lepo i ka torque maikaʻi e uku ai i ka ʻokoʻa ma waena o ka haʻahaʻa makani haʻahaʻa a me ka ikaika pūnaewele kiʻekiʻe.
I ka ʻoki ʻana a me ka wili ʻana i ke kiʻiʻoniʻoni a i ʻole nā mea ʻē aʻe me ka ratio kiʻekiʻe o Poisson, pono e hoʻohana ʻia ka wili waena / ʻili, a e loli ka laulā me ka ikaika pūnaewele. Mālama nā mea makani ʻili waena i ka laula o ka ʻōwili maʻamau no ka mea ua hoʻopili ʻia ka ʻāwili pūnaewele mau i ka winder. E ʻike ʻia ka paʻakikī o ka ʻōwili ma muli o ka torque ma ke kikowaena me ka pilikia ʻole o ka laulā taper.
Ka hopena o ke kumu friction kiʻiʻoniʻoni ma ka wili ʻana ʻO nā waiwai interlaminar coefficient of friction (COF) o ke kiʻiʻoniʻoni he hopena nui i ka hiki ke hoʻohana i ke kumu TNT no ka loaʻa ʻana o ka ʻoʻoleʻa i makemake ʻia me ka ʻole o nā hemahema o ka ʻōwili. ʻO ka ʻōlelo maʻamau, ʻo nā kiʻiʻoniʻoni me kahi coefficient friction interlaminar o 0.2-0.7 ʻōwili maikaʻi. Eia nō naʻe, ʻo nā ʻōwili kiʻiʻoniʻoni kīnā ʻole me ka paheʻe kiʻekiʻe a haʻahaʻa paha (koefficient haʻahaʻa a kiʻekiʻe paha o ka friction) ke hōʻike pinepine nei i nā pilikia wili.
ʻO nā kiʻiʻoniʻoni paheʻe kiʻekiʻe he haʻahaʻa haʻahaʻa o ka friction interlaminar (ma lalo o 0.2). Hoʻopilikia pinepine ʻia kēia mau kiʻiʻoniʻoni i ka paheʻe pūnaewele o loko a i ʻole nā pilikia wili i ka wā o ka wili a/a i ʻole nā hana wehe ʻana ma hope, a i ʻole nā pilikia lawelawe pūnaewele ma waena o kēia mau hana. Hiki i kēia paheʻe o loko o ka maka ke hoʻopōʻino e like me nā ʻōpala o ka maka, nā niho, ka telescoping a/a i ʻole nā pōʻino hōkū. Pono e ʻeha ʻia nā kiʻi ʻoniʻoni haʻahaʻa haʻahaʻa e like me ka hiki ma kahi kiʻekiʻe torque core. A laila, hoʻemi mālie ʻia ka ʻāwili ʻana e kēia torque i ka waiwai liʻiliʻi o ʻekolu a ʻehā mau manawa o ke anawaena o waho o ke kumu, a ua hoʻokō ʻia ka rigidity roll i koi ʻia me ka hoʻohana ʻana i ke kumu wili. ʻAʻole loa e lilo ka ea i hoa no mākou i ka wā e pili ana i ke kiʻi ʻoniʻoni kiʻekiʻe. Pono e ʻeha mau kēia mau kiʻiʻoniʻoni me ka ikaika pipili e pale aku ai i ke komo ʻana o ka ea i ka ʻōwili i ka wā wili.
ʻO kahi kiʻiʻoniʻoni paheʻe haʻahaʻa he koena kiʻekiʻe o ka friction interlaminar (maʻamau ma luna o 0.7). Hoʻopilikia pinepine ʻia kēia mau kiʻiʻoniʻoni i ka pale a/a i ʻole nā pilikia wrinkling. I ka wili ʻana i nā kiʻiʻoniʻoni me kahi koena kiʻekiʻe o ka friction, hiki ke kū mai ka ovality me ka wikiwiki o ka wili haʻahaʻa a me ka piʻi ʻana o nā pilikia i nā wikiwiki wili kiʻekiʻe. Hiki paha i kēia mau ʻōwili ke piʻi a i ʻole nā pōʻino nalu i ʻike mau ʻia he slip knots a he slip wrinkles. ʻO nā kiʻiʻoniʻoni kiʻekiʻe friction ʻoi aku ka maikaʻi o ka ʻeha me kahi āpau e hōʻemi i ka ʻokoʻa ma waena o nā ʻōwili hahai a lawe-up. Pono e hōʻoia i ka hoʻolaha ʻana i kahi kokoke loa i ka wahi ʻōwili. Hoʻopili ʻo FlexSpreader i nā ʻōwili palaualelo i ʻeha maikaʻi ma mua o ka wili ʻana a kōkua i ka hōʻemi ʻana i nā hemahema paheʻe i ka wā e wili ai me ka haʻalulu kiʻekiʻe.
E aʻo hou E wehewehe ana kēia ʻatikala i kekahi o nā hemahema o ka ʻōwili i hiki ke kumu mai ka paʻakikī ʻole o ka ʻōwili. ʻO ka The Ultimate Roll and Web Defect Troubleshooting Guide hou e ʻoi aku ka maʻalahi o ka ʻike a hoʻoponopono ʻana i kēia mau mea a me nā hewa ʻē aʻe a me ka pūnaewele. He mana hou kēia puke o ka Roll and Web Defect Glossary na TAPPI Press.
Ua kākau ʻia a hoʻoponopono ʻia ka Enhanced Edition e nā loea ʻoihana 22 me ka ʻoi aku o 500 mau makahiki o ka ʻike ma ka reel a me ka wili. Loaʻa ia ma o TAPPI, kaomi ma aneʻi.
R. Duane Smith is the Specialty Winding Manager for Davis-Standard, LLC in Fulton, New York. With over 43 years of experience in the industry, he is known for his expertise in coil handling and winding. He received two winding patents. Smith has given over 85 technical presentations and published over 30 articles in major international trade journals. Contacts: (315) 593-0312; dsmith@davis-standard.com; davis-standard.com.
ʻO nā kumukūʻai waiwai ke kumu kūʻai nui loa no ka nui o nā huahana extruded, no laila pono e paipai ʻia nā mea hana e hōʻemi i kēia mau kumukūʻai.
Hōʻike ʻia kahi haʻawina hou pehea e pili ai ke ʻano a me ka nui o LDPE i hui pū ʻia me LLDPE i ka hana ʻana a me nā waiwai ikaika/ʻoʻoleʻa o ke kiʻi puhi. ʻO ka ʻikepili i hōʻike ʻia no nā hui ʻana i hoʻonui ʻia me LDPE a me LLDPE.
ʻO ka hoʻihoʻi ʻana i ka hana ma hope o ka mālama ʻana a i ʻole ka hoʻoponopono ʻana i nā pilikia e pono ai ka hoʻoikaika ʻana. Eia ke ʻano e hoʻolikelike ai i nā pepa haʻawina a hoʻomaka e holo wikiwiki.
Ka manawa hoʻouna: Mar-24-2023
