Zabi anitrided dunƙule gangadon resins masu tsabta, marasa lalacewa kamar PP, PE, da ABS - yana da ƙasa da ƙasa kuma yana ɗaukar shekaru a cikin wannan aikin. Zabi abimetallic dunƙule gangalokacin da kake gudanar da PVC, cike da gilashi, mai kare wuta, ko kayan da aka sake yin fa'ida, inda mafi kauri, mafi girman alloy Layer ya dade sau biyu zuwa uku. Daidaita ganga zuwa kayanku, ba da alamar farashi ba.
Zaɓi ganga mara kyau kuma ɗayan abubuwa biyu ya faru. Ko dai kun biya kuɗin da ake biya na alloy Layer tsarin ku bai taɓa damuwa ba, ko kuma ku ajiye ƴan daloli a gaba kuma ku kalli ganga mai rahusa ya ƙare a cikin watanni goma sha takwas - ɗaukar kayan aikin ku da ingancin narkewar ku tare da shi. Mun gina nau'ikan guda biyu sama da shekaru ashirin, kuma tambayar da muke yawan ji daga masu siye ita ce wacce kila kuke yi a yanzu:bimetallic vs nitrided dunƙule ganga, wace hanya zan bi?
Wannan jagorar yana tafiya cikin ainihin bambancin ƙarfe tsakanin su biyun, lissafin farashi wanda ke da mahimmanci a zahiri (alamu: ba farashin sitika bane), da hanya mai sauƙi don yanke shawarar waccedunƙule gangaya dace da injin ku, kayan ku, da kasafin kuɗin ku.
Menene Nitrided Screw Barrel?
A nitrided dunƙule gangayana farawa azaman yanki ɗaya na karfe - kusan koyaushe38CrMoAlAa cikin shagon mu - kuma yana taurare sama a cikin tanderun nitriding. Tsarin yana watsa nitrogen cikin fata na karfe a yanayin da aka sarrafa a cikin sa'o'i masu yawa. Ba a ƙara abu na biyu ba. Karfe yana tsiro da harsashi mai wuya.
Abin da kuka ƙare da shi shine taurin saman ƙasa a kusa da HV 950-1000 da nitrided Layer kusan 0.5 zuwa 0.7mm zurfi. Wancan bakin ciki, fata mai wuyar gaske yana kawar da ƙura daga polymers na yau da kullun kuma yana kiyaye ƙashin ƙugu a tsayi, yana gudana bayan gudu. Nitrided ganga sun kasance tsohuwar masana'antar shekaru da yawa, kuma saboda kyawawan dalilai: tattalin arziki, da za a iya faɗi, kuma fiye da isa ga waɗanda ba su da ƙarfi, resins marasa lalacewa kamar PP, PE, da ABS.
Kama yana da zurfi. Da zarar wannan ƙaramin milimita ya ƙare - kuma a cikin tsari mai lalacewa zai kasance - ƙaramin tushe mai laushi da ke ƙasa yana fallasa, kuma lalacewa ta fara gudu daga gare ku.
Menene Gangamin Screw Barrel na Bimetallic?
A bimetallic dunƙule gangayana ɗaukar akasin tsarin zuwa matsala mai zurfi. Maimakon taurare karfe ɗaya, yana haɗa gawa mai inganci akan tushe mai tauri. Ƙarfe na tushe - ƙarfe na tsari - yana ɗaukar kaya kuma yana kiyaye ganga mai tsayi. Filayen aiki na ciki wani nau'in alloy ne daban, yawanci tushen nickel ko tushen tungsten-carbide, an haɗa shi da tushe ta hanyar simintin centrifugal. Karfe biyu na karfe suna kulle cikin yanki guda.
Ga abin da ke haifar da bambanci: wannan Layer na kariya yana gudanar da zurfin 2.0 zuwa 3.0mm, a taurin HRC 60-65. Saita cewa kusa da fatar rabin-millimita akan ganga mai nitrided kuma gabaɗayan batu ya zo cikin hankali. Juriya na sawa yana bazuwa zuwa wani yanki mai kauri, don haka ganga yana riƙe da juriya mai tsayi lokacin da take yaƙi da lalata ko lalata. Gilashin fiber, ma'adinan ma'adinai, mahadi masu ɗauke da halogen - abubuwan da ke tauna ta saman nitrided - sune daidai inda Layer bimetallic ke samun ajiyarsa.
Ba duk yadudduka bimetallic iri ɗaya bane, ko dai. Alloy na tushen nickel yana jingina ga juriya na lalata - zaɓin da ya dace don PVC da masu hana wuta. Wani Layer mai arzikin tungsten-carbide yana karkata zuwa ga juriya mai ƙazanta, wanda shine abin da gilas-fiber da mahaɗan ma'adanai masu girma ke buƙata. Ƙarfe na tushen ƙarfe suna zaune a tsakani a matsayin tsaka-tsaki mai san farashi. Daidaita gami da ƙayyadaddun maƙiyi - lalata ko abrasion - yana da kusan zaɓin zaɓin bimetallic a farkon wuri.
Bimetallic vs Nitrided Screw Barrel: Maɓalli Maɓalli
Hanya mafi sauƙi don ganin tazarar ita ce gefe da gefe. Teburin ya jera su akan abubuwan da ke haifar da yanke shawara a zahiri.
| Factor | Nitrided Screw Barrel | Bimetallic Screw Barrel |
|---|---|---|
| Gina | Ƙarfe guda ɗaya (38CrMoAlA), saman-nitrided | Base karfe + Fused gami Layer ciki |
| Taurin saman | HV 950-1000 | HRC 60-65 |
| Zurfin Layer mai tauri | 0.5-0.7 mm | 2.0-3.0mm |
| Saka juriya | Yana da kyau ga resins marasa abrasive | 2-5× ya fi tsayi a cikin sabis na lalata |
| Juriya na lalata | Iyakance | Madalla (aloys na tushen nickel) |
| Mafi dacewa kayan | PP, PE, ABS, daidaitattun mahadi | PVC, gilashin fiber, harshen wuta, sake yin fa'ida, high-filler |
| Farashin farko | Kasa | Mafi girma |
| Jimlar farashin mallaka | Mafi girma a sabis mai buƙata | Ƙananan sabis na buƙata |
Yawan mafi yawan masu sarrafawa suna gyarawa shine rayuwar sabis, kuma daidai. A karkashin yanayi guda, abimetallic dunƙule gangayawanci yana gudu biyu zuwa sau uku fiye da na nitrided. Matsa cikin aikace-aikacen azabtarwa na gaske - PVC mai girma, abubuwan ƙarfafa gilashin - kuma tazar tana ƙara faɗaɗa har yanzu. Hakanan akwai kusurwar lalata kuma: lokacin da kuke sarrafa PVC ko resins mai ɗaukar harshen wuta, kayan suna sakin mahadi waɗanda ke kai hari da sinadarai ta hanyar nitrided. Layer bimetallic na tushen nickel kawai bai damu ba.
Lokacin Zaba Nitrided Screw Barrel
A nitrided dunƙule gangashine kiran da ya dace sau da yawa fiye da yadda mai siyar da kayan aiki zai yarda. Gudu mai tsabta, ba tare da cika thermoplastics ba - budurwa PP, PE, PS, ABS - ba tare da fiber gilashi ba, babu ma'adinan ma'adinai, babu ƙari mai lalacewa, kuma wannan ƙaramin nitrided na bakin ciki zai ba ku sabis na barga na shekaru a farashi mai sauƙi.
Hakanan yana da ma'ana lokacin da kasafin kuɗi ya cika, lokacin da injin ke aiki a tsaye kuma yana farawa maimakon kusan kowane lokaci, ko kuma lokacin da kuke saita layin wanda haɗin samfuran zai iya canzawa kafin ganga ya ƙare. Don ma'auniallura gyare-gyaren dunƙuleGudun guduro kayan masarufi, ƙarin biyan kuɗi don ƙirar bimetallic ba za ku taɓa damuwa wuce gona da iri ba ne kawai. Kada ku yi shi.
Lokacin Zaba Bimetallic Screw Barrel
Lokacin da lalata ko lalata suka shiga cikin hoton, abimetallic dunƙule gangayana samun farashin sa mafi girma. Isar da shi idan kun aiwatar da ɗayan waɗannan: abubuwan ƙarfafa-gilashi-fiber-ƙarfafa mahaɗan, calcium-carbonate ko abubuwan da aka cika talc,PVC mai ƙarfi, resins mai kashe wuta, ko robobin da aka sake fa'ida masu ɗauke da datti da gurɓatawa.
Hakanan shine mafi wayo don siyan manyan layukan da ke gudana akai-akai, inda ba tare da shiri ba don musanya ganga da aka sawa yayi tsada fiye da ganga kanta. Mun ga high-calcium PVC extrusion - game da wuya a kan ganga kamar yadda ya samu - inda motsi zuwa ga daidai alloy Layer tsawaita rayuwar sabis da fiye da 30% a kan wani nitrided saitin, yayin da tsayayye narke matsa lamba da yanke tarkace. Lokacin da aikace-aikacen ke da matukar buƙata, Layer na bimetallic ya daina zama abin alatu. Shi ne abin da ke kiyaye layin a cikin ƙayyadaddun bayanai.
Kwatanta Farashin: Farashi na Farko vs Jimlar Farashin Mallaka
Haƙiƙa don kwatanta farashin sitika shine ainihin abin da ke haifar da mummunan yanke shawara na ganga. Ganga mai nitrided tana samun nasara a rana ta farko. Abimetallic dunƙule gangayawanci yana cin nasara akan rayuwar injin - amma kawai a cikin aikace-aikacen da ya dace.
Don haka gudanar da ɗayan lambar: jimlar farashin mallaka. Ganga mai nitrided a cikin tsari mai ɓarna na iya buƙatar maye gurbin a cikin watanni 12 zuwa 18, kuma kowane maye gurbin yana jan aiki tare da raguwar aiki, asarar samarwa, da guntun farawa a saman farashin ɓangaren. Ganga bimetallic a cikin wannan tsari na iya yin tsayi da yawa sau da yawa, yana yada mafi girman farashin sa a cikin sa'o'in samarwa. Farashin farko mafi girma, ƙarancin rayuwa.
Yanzu juya shi. Sanya ganga bimetallic akan layin PE mai tsafta kuma baya samun damar biyan kansa - ganga nitrided yana cin nasara akan farashi da farashin rayuwa, saboda babu wani abu a cikin wannan tsari da ke jaddada gami. Hankali iri ɗaya, amsa sabanin haka. Kayan ya yanke shawara.
Yadda Ake Yanke Shawarar Aikace-aikacenku
Rage shi zuwa tambayoyi uku.
Na farko - kayan naku abu ne mai lalata ko lalata?Gilashin fiber, ma'adinan ma'adinai, PVC, masu kare wuta, kayan abinci da aka sake yin fa'ida: dukkansu suna nuna bimetallic. Tsaftace guduro kayayyaki yana nuna nitrided.
Na biyu - yaya wuya layin ke gudana?Ci gaba, babban fitarwa, samar da kullun lokaci-lokaci yana ba da lada mafi tsayi na abimetallic dunƙule ganga. Matsakaicin lokaci ko ƙarancin ƙarar ƙarar ƙaramar ƙaramar ƙimar nitriding.
Na uku - me ke kashe ku?Idan canjin ganga mara shiri yana nufin jaddawalin tsayawa da kuma isar da aka rasa, ƙimar dorewa inshora ce mai arha. Idan za ku iya tsara musanya, lissafin yana karkata zuwa nitrided.
Amsa waɗannan ukun gaskiya kuma zaɓin yawanci a bayyane yake. Idan ba haka ba, yi magana da mai kaya wanda ya gina duka biyun kuma zai iya ƙirƙira shi daidai da ainihin mahallin ku - ba wanda ya sa ku zuwa ga mafi girman sashi ba saboda yana ɗaukar babban gefe.
Kuskure na yau da kullun Lokacin zabar ganga mai dunƙulewa
Hudu suna nunawa akai-akai a cikin tambayoyin da suka sauka akan teburin mu.
Siyayya akan farashin sitika kaɗai.Ganga mafi arha a yau ba kasafai ce ganga mafi arha fiye da shekaru uku ba. Gudanar da jimlar farashin mallakar, musamman akan layukan abrasive - farashin ɓangaren shine kawai lambar farko.
Bimetallic fiye da ƙayyadaddun ƙayyadaddun layin don tsaftataccen layi.Ganga bimetallic akan budurwa PP ko PE shine kuɗin da aka kashe akan kariya ba abin da zai taɓa gwadawa. Ajiye shi don aikin da yake buƙatarsa.
Maye gurbin ganga amma sake amfani da dunƙule da aka sawa.Screw da ganga suna aiki azaman madaidaicin ma'auni. Zuba sabon ganga a kusa da dunƙule gaji kuma izinin ba daidai ba ne daga rana ɗaya - fitarwa yana wahala kuma sabobin ganga yana sawa ba daidai ba. Duba duka biyu; maye gurbin duka lokacin da lambobi suka faɗi haka.
Ɗaukar bimetallic ba tare da dacewa da gami ba.Layer mai arzikin nickel yana yaƙi da lalata; Layer tungsten-carbide-arziƙi yana yaƙi da abrasion. Ƙayyade maƙiyin da kuke da shi a zahiri, ba kawai “bimetallic” a cikin zayyanawa ba.
Me yasa Aiki Da Nanhaiya
Mun shafe fiye da shekaru ashirin muna yin dunƙule ganga - kuma kawai dunƙule ganga da skru da ke gudana a cikin su.dunƙule guda ɗaya, layi daya tagwaye dunƙule,conical tagwaye dunƙule. Mun yanke duka nitrided da bimetallicextruder dunƙule gangamajalisai daga premium 38CrMoAlA da keɓaɓɓen gami, a cikin gida, wanda shine dalilin da injiniyoyinmu zasu iya gaya muku ginin da tsarin ku ke buƙata a zahiri maimakon wanda ya fi sauƙi don siyarwa.
Kowace ganga tana barin bene tare da juzu'i mai sarrafa juzu'i da gwajin ma'auni mai ƙarfi. Geometry, tauri, surfacing - duk ana iya keɓance shi da injin ku da kayan ku.
Faɗa mana resin ku da ƙayyadaddun injin ɗinku - sami shawarwarin da aka keɓance ganga a cikin sa'o'i 12.
Aika tambayaTambayoyin da ake yawan yi
Shin ganga bimetallic dunƙule ko da yaushe ya fi nitrided?
No. Abimetallic dunƙule gangayayi nasara a aikace-aikace masu ɓarna da lalata, amma don tsaftataccen resin da ba a cika ba kamar PP ko PE, anitrided dunƙule gangayana ba ku yalwar rayuwar sabis a farashi mai sauƙi. "Mafi kyau" ya dogara gaba ɗaya akan abin da kuke sarrafawa.
Shin ganga bimetallic na iya maye gurbin ganga nitrided dina?
A mafi yawan lokuta, e - muddin girman ya dace da na'urar extruder ko allura, ƙirar dunƙule ta dace da kayan ku, kuma kuna daidaita sigogin sarrafa ku don dacewa. Aiko mana dalla-dalla kuma za mu tabbatar da dacewa.
Har nawa ne ganga mai dunƙule bimetallic ya daɗe?
A ƙarƙashin yanayi guda, sau biyu zuwa uku ya fi tsayin nitrided ganga - tare da maɗaukaki mafi girma a cikin aiki mai ƙazanta kamar gilashi ko mahalli mai girma.
Wanne ne mafi alhẽri ga PVC extrusion?
Bimetallic. PVC masu tsauri da resins masu ɗaukar harshen wuta suna sakin mahaɗan gurɓatattun abubuwa yayin da suke aiwatarwa, kuma madaidaicin alloy ɗin nickel yana tsayayya da harin sinadarai wanda ke lalata ƙasa mai nitrided.
Menene bambancin farashi tsakanin su biyun?
Ganga mai nitrided ba ta da tsada a gaba; ganga bimetallic yana ba da umarni da ƙima don ƙaƙƙarfan alloy ɗin sa. Kwatankwacin da ke da mahimmanci shine jimlar farashin mallaka - a cikin buƙatar aikace-aikace, tsawon rayuwar ganga bimetallic ya sa ya zama zaɓi mafi arha fiye da rayuwar injin.
