Yin rashin daidaituwa yana da mahimmanci a cikin masana'antar zamani, samar da komai daga sassan mota zuwa abubuwan filastik na yau da kullun. Cikakken lissafin tsari na inganta wannan tsari, tabbatar da inganci da inganci. A cikin wannan post, zaku koya mahimmancin dabaru don murkushe ƙarfi, matsa lamba, da ƙari, don haɓaka ayyukan ƙwararrun abubuwan ƙididdigar ku.
Allurar gyara
Yin allurar rigakafi akwai tsari mai rikitarwa wanda ya dogara da abin da ke canzawa na kayan aikin injiniyoyi da tsari. Don fahimtar tushen waɗannan masana'antu, yana da matukar muhimmanci a fahimci mahimman abubuwan da suka shafi.
Abubuwan da aka gyara na kayan ciki da ayyukansu
Manyan bangarorin farko na injin ingin ingin sun hada da:
Gudanarwa na allura: Mai alhakin narkar da yin amfani da kayan filastik a cikin murfin murfin.
United naúrar: Yana riƙe da mold rufe yayin yin allura kuma ya shafi wajibi da ya zama dole don hana ƙurji daga buɗewar.
Morm: ya ƙunshi biyu halves (rami da kuma cibiya) wanda ke haifar da siffar samfurin ƙarshe.
Tsarin sarrafawa: yana daidaita kuma yana lura da tsarin allurar duka, tabbatar da daidaito da inganci.
Kowane bangare yana taka muhimmiyar rawa a cikin kyakkyawan aiki na injin kuma yana tasiri kan ingancin sassan da aka gyara kai tsaye.
SIFFOFIN SIFFOFIN CIKIN SAUKI
Don samun kyakkyawan sakamako, yana da mahimmanci a fahimta da sarrafa waɗannan sigogi masu zuwa:
Matsa ƙarfi: ƙarfin da ake buƙata don kiyaye ƙirar rufe yayin yin allura, hana kayan daga tserewa samuwar samuwa.
A matsa kula da allura: matsin allura a cikin filastik na molten kamar yadda aka allura cikin kogin da ke cikin ƙayyadaddun da ingancin.
Volum girma: yawan kayan filastik allura a cikin mold kogin a kowane sake zagayowar, tantance girman da nauyin samfurin ƙarshe.
Sauran sigogi masu mahimmanci sun haɗa da saurin allura, narke zazzabi, lokacin sanyaya, da kuma ƙarfi. Kowane ɗayan waɗannan dalilan dole ne a kula dasu a hankali kuma an daidaita don tabbatar da daidaito, sassa masu inganci.
Dangantaka tsakanin ƙayyadaddun na'urori da buƙatun fasalin
Zabi na injin da ake amfani da shi ya dogara ne akan takamaiman bukatun aikin da aka sarrafa. Abubuwa don la'akari sun hada da:
Girman harbi: Matsakaicin filastik da filastik ɗin zai iya yin allurar a cikin sake zagayowar.
Karkatar da karfi: Ikon injin ya ci gaba da rufewar rufewar a ƙarƙashin matsar da allurar da ake buƙata.
A matsa kula da allura: Matsakaicin matsin lambar injin din zai iya haifar da cika murfin murfin.
| Bayanin Mold | Bukatar Mold |
| Bangare sigina | Girman harbi |
| Bangare mai rikitarwa | Clamping karfi, matsa lamba |
| Nau'in kayan | Matsin hankali na allura, narke zazzabi |
Clamping karfi lissafin
A cikin duniyar rashin daidaituwa, ƙarfin murƙushe yana taka muhimmiyar rawa wajen tabbatar da inganci da daidaito na samfurin ƙarshe. Amma menene daidai yake murƙushe karfi, kuma me yasa yake da muhimmanci sosai?
Ma'anar da mahimmancin karfin matsa
Matsa ƙarfi yana nufin karfin da ake buƙata don kiyaye ƙirar rufe yayin aiwatar da allura. Yana hana ƙirar da ke buɗe a ƙarƙashin babban matsin lamba na allurar filastik, tabbatar da cewa kayan molten sun cika ko kuma siffofin da ake so.
Ba tare da isa ga karfin clamping ba, maganganu kamar filasha, cikakku cikawa, da kuma yanayin rashin daidaituwa na iya faruwa, jagoranta zuwa sassa masu lalacewa da kuma ƙara farashin samarwa da kuma ƙara farashin samarwa da haɓaka farashin samarwa.
Tsarin Force
Za'a iya ƙididdige ƙarfin murfi na musamman don takamaiman aikin da aka tsara don amfani da wannan tsari:
F = AM * PV / 1000
A ina:
Don amfani da wannan tsari yadda ya kamata, zaku buƙaci sanin wani yanki da aka tsara don cika matsin lamba don amfani da kayan.
Dalilai da suka shafi karfi na clamping
Abubuwa da yawa na iya yin tasiri kan karfin da ake buƙata, gami da:
Kayan kayan:
Danko
Addinin Shari
Narke kwarara
Kashi na Geometry:
Fahimtar yadda waɗannan dalilai suka ke tasiri matsakaicin murkushe ƙarfi yana da mahimmanci ga aiwatar da tsarin gyara da kuma guje wa lahani gama gari.
Misalai da aikace-aikace masu amfani
Bari muyi la'akari da misali don bayyana aikace-aikacen aikace-aikacen clamping forculla. A ce, kuna gyara wani sashi tare da rami ajiyayyu yankin na 250 cm ^ 2 ta amfani da kayan da aka bada shawarar matsi na 180 kilogiram / cm ^ 2.
Yin amfani da tsari:
F = AM PV / 1000 = 250 180/1000
A wannan yanayin, kuna buƙatar ƙarfin murkushe ƙarfin 45 don tabbatar da ƙulli da yakamata.
Lissafin damuwa na allura
Matsin yin allura wata siga ce mai mahimmanci a cikin tsarin allurar. Yana shafar ingancin ingancin sassan, da kuma fahimtar yadda za a lissafa shi yana da mahimmanci don inganta tsarin.
Ma'anar da mahimmancin yanayin yin allura
A matsa kula da allura yana nufin karfin amfani da kayan filastik na molten kamar yadda aka sanya shi cikin kogin. Yana ƙayyade yadda cikin sauri da sauri da rijiyoyin da ke cike da ƙarfi, tabbatar da lahani na gaba da rage ƙoshin lafiya kamar su gajere ne.
Kula da matsanancin rashin daidaituwa yana da mahimmanci don cimma daidaito, sassa masu inganci yayin rage yawan lokacin shaƙatawa da sharar gida.
Ba da allura matsa lamba
Za'a iya ƙididdige matsain allura ta amfani da wannan tsari:
Pi = p * a / Ao
A ina:
Pi: matsa lamba na allura (kg / cm ^ 2)
P: matsin lamba (kg / cm ^ 2)
A: Tsarin Silinda Silinda (Cm ^ 2)
Ao: dunƙule yankin yanki (cm ^ 2)
Don amfani da wannan dabara, kuna buƙatar sanin matsin famfo, ingantaccen yanki na silinda ke cikin saƙo, da kuma yanki na giciye na dunƙule.
Dalilai da suka shafi magance matsalar
Abubuwa da yawa na iya yin tasiri kan matsar da allurar da ake buƙata, gami da:
Kwarewar abu:
Girman Gateo Styara:
Tsawon wayo da kauri:
Misalai da aikace-aikace masu amfani
Bari muyi la'akari da misali don nuna aikace-aikacen da ake amfani da shi na tsari na allura. A ce, kuna da matsin famfo na famfo na kilo 150 / cm ^ 2, yanki mai warkarwa na 120 cm ^ 2, da kuma yanki mai dunƙule na katako na 20 cm ^ 2.
Yin amfani da tsari:
PI = P A / AO = 150 120/20 = 900 kilogiram / cm ^ 2
A wannan yanayin, matsain allurai zai zama 900 kilogiram / cm ^ 2.
Yawan allura da ƙididdigar nauyi
Yawan allura da nauyin sigogi masu mahimmanci ne biyu a cikin tsarin yin gyara. Suna tasiri kai tsaye girman girman, inganci, da kuma farashin sassan da aka gyara, suna yin daidaitattun lissafin su na mahimmanci don inganta tsari.
Ma'anar da mahimmancin ƙira da nauyi
Girman allura yana nufin adadin kayan filastik injected cikin mold a kowane sake zagayowar. Yana ƙayyade girman da siffar samfurin ƙarshe.
A nauyi na allura, a gefe guda, shine taro na kayan filastik injected a cikin mold kog. Yana shafar nauyin gaba ɗaya da farashin kayan mold.
Daidai yana lissafin waɗannan sigogi yana da mahimmanci don tabbatar da ingantaccen sashi, rage yawan sharar gida, da ingantawa samarwa.
Forarin allura
Za'a iya lissafin ƙarar allura ta amfani da wannan tsari:
V = π (yi / 2) ^ 2 st
A ina:
Don amfani da wannan dabara, kuna buƙatar sanin murfin dunƙulewar dunƙule da cutar allurar ta allurar ta allura.
Yin allura mai nauyi
Za a iya ƙididdige nauyin allura ta amfani da wannan tsari:
Vw = v η Δ
A ina:
Don amfani da wannan dabara, kuna buƙatar sanin girman allurar, takamaiman nauyi na kayan amfani da ake amfani da shi, da kuma ƙarfin injiniya na injin ingshin allura.
Abubuwa suna shafar juzu'i da nauyi
Abubuwa da yawa na iya yin tasiri kan girman allura da nauyi, gami da:
Kashi na Bangon Kashi:
Tsarin tsarin Rushnon:
Girman Gateoa da wurin:
Misalai da aikace-aikace masu amfani
Bari muyi la'akari da misali don bayyana aikace-aikacen amfani na surface na allura da dabara. A ce kuna da diamita dunƙule na 4 cm, bugun fata na allura, abu tare da takamaiman nauyi na 1.2, da kuma ingancin injin 0.95.
Yin amfani da tsarin magance allura:
V = π (yi / 2) ^ 2 st = π (4/2) ^ 2 10 = 623 cm ^ 3 cm ^ 3 cm ^ 3
Yin amfani da tsari mai nauyi:
Vw = v η Δ = 62.83 1.2 0.95 = 71.63 g
A wannan yanayin, ƙarar allura zai zama 62.83 cm ^ 3, da kuma nauyin allura zai zama 71.63 g.
Saurin allura da kimanin lissafi
Saurin allura da ragi masu mahimmanci sune sigogi masu mahimmanci a cikin tsarin rashin tsari. Suna tasiri sosai da ingancin sassan kayan molds, lokacin sake zagayowar, da kuma ingancin samarwa gabaɗaya.
Ma'anar da mahimmancin saurin allura da ƙididdiga
Speedintion Speed yana nufin saurin gudu wanda aka sanya kayan filastik a cikin kogin. Ana auna a cikin santimita a cikin santimita a kowane biyu (cm / sec).
Restarin allura, a gefe guda, shine taro na kayan filastik wanda aka alluna cikin ƙirar ƙwayar ta kowane yanki na lokaci, galibi ana bayyana shi a cikin grams a biyu (g / sec).
Ingantar da waɗannan sigogi suna da mahimmanci don tabbatar da cikar madaidaiciyar ƙwayar ƙwayar cuta, rage lahani kamar gajeren haske ko walƙiya, kuma cimma daidaitaccen bangare mai inganci.
Tsarin Magana
Za'a iya kirga saurin allura ta amfani da wannan tsari:
S = q / a
A ina:
Don amfani da wannan dabara, kuna buƙatar sanin fitarwa na famfo da kuma ingantaccen yanki na silinda ke cikin allura.
Tsarin allura
Za'a iya lissafin darajar allura ta amfani da wannan tsari:
Sv = s * Ao
A ina:
Don amfani da wannan dabara, kuna buƙatar sanin saurin alluna da yanki na ɓangaren ɓangaren dunƙule.
Dalilai da suka shafi sauri da ƙididdiga
Abubuwa da yawa na iya yin tasiri kan saurin alluna da ƙididdigewa, ciki har da:
Kayan kayan:
Girman Gateo Styara:
Kashi na Geometry:
Misalai da aikace-aikace masu amfani
Bari muyi la'akari da misali don nuna aikace-aikacen da ake amfani da shi na saurin yin allura da ƙimar tsari. A ce, kuna da fitowar famfo na 150 CC / sec, yanki mai warkarwa na 50 ck ^ 2, da kuma yanki mai dunƙule na katako na 10 cm ^ 2.
Yin amfani da tsari na allura:
S = q / A = 150/50 = 3 cm / sec
Yin amfani da tsarin tsari:
SV = s AO = 3 10 = 30 g / sec
A wannan yanayin, saurin alluna zai zama 3 cm / sec, da kuma rashin allura zai zama 30 g / sec.
Kulawa na Silinda Silinda
Yankin Silinkin Cikin Yin Iya yana da mahimmancin sigogi a cikin tsari na allurar. Yana shafar matsin watsi da tsari, gudu, da gaba ɗaya aikin injin.
Ma'anar da mahimmancin yankin Siyarwa
Yankin Sulaumin da ke cikin allura yana nufin yankin yanki na giciye na silsiba. Wannan yanki ne wanda ya shafi kayan filastik na molten ko dunƙule yayin tsarin allura.
Yankin Sulaumin Silinda yana ƙayyade adadin ƙarfin da za a iya amfani da shi zuwa filastik na molten, wanda bi da bi yana shafar matsin ƙyamar da gudu. Daidai yana lissafin wannan yankin yana da mahimmanci don inganta aikin injin kuma tabbatar da ingancin daidaitaccen abu.
Tsarin Silinder
Za'a iya lissafin yankin allurar sspinder ta amfani da tsari masu zuwa:
Surka guda:
(Suction SPLINEER diamita ^ 2 - PLunger diamita ^ 2) * 0.785 = Yankin Silinda (Cm ^ 2)
Silinda mai sau biyu:
(Suction Sulewa diamita ^ 2 - PLunger diamita ^ 2) 0.785 2 = yankin silin wuta (cm ^ 2)
Don amfani da waɗannan dabarun, kuna buƙatar sanin ƙurar mai siyarwa da silinda na allura da flurger.
Dalilai suna shafar yankin silinda
Abubuwa da yawa na iya yin tasiri akan yankin silinda ke ciki, ciki har da:
Nau'in injin da girma:
Tsarin allura:
Plunger ko zane mai zane:
Misalai da aikace-aikace masu amfani
Bari muyi la'akari da misali don bayyana aikace-aikacen amfani na tsarin yankin allurar sarin ciki. A ce, kuna da injin silima guda na siliki guda tare da tsarin silima na silima na diamita na 10 cm da polunger diamita na 8 cm.
Yin amfani da tsarin silima guda ɗaya:
Yankin SPLINE na allura = (Silin Syping Diamita ^ 2 - Plunger diamita ^ 2) 0.785 = (6 - 64) * 0.785 = 0.785 = 8.26 cm ^ 2
A wannan yanayin, yankin silin da ke cikin allura zai zama 28.26 cm ^ 2.
Tsarin juzu'in juzu'i guda
Yawan juyin juya halin mutum ɗaya muhimmin sigar tsari a cikin tsarin allurar. Yana ƙayyade adadin kayan filastik na Molten wanda allurar ke bayarwa ga juzu'i na famfo.
Ma'anar da mahimmancin juzu'i na juzu'i mai mahimmanci
Yawan juyin juya halin mutum ɗaya yana nufin ƙarar filayen filastik na molten da famfo na allura yayin kammala juyin juya halin. Ana auna a yawanci a cikin santimita cashic santimita a biyu (CC / sec).
Wannan sifa ta shafi saurin alluna, matsin lamba, da kuma ingancin tsari na tsari na allurar. Daidai kuskuren lissafin famfo na juzu'i guda yana da mahimmanci ga haɓakar ingancin na'ura kuma yana tabbatar da ingancin daidaituwa.
Puby Slemom Juyin Juya Halici
Za'a iya ƙididdigawa ƙarar juzu'i guda ɗaya ta amfani da wannan tsari:
Yankin Siliki na Cutar Izini (cm ^ 2) Speeding Speeding (cm / sec) 60 seconds / Secontionarfin Motsa = Fasahar Motoci (CC / sec
Don amfani da wannan dabara, kuna buƙatar sanin yankin da ke cikin allura, saurin alluna, da kuma saurin injin ƙimar allurar rigakafi.
Abubuwa suna shafar yawan juyin juya halin mulki
Abubuwa da yawa na iya tasiri ƙarar suttura guda na juyin juya halin su guda ɗaya, gami da:
Hearin Surka na Cutar Iya Farko:
Saitunan saurin alluna:
Motar motoci:
Misalai da aikace-aikace masu amfani
Bari muyi la'akari da misali don nuna aikace-aikacen da ake amfani da shi na tsarin samar da famfo na pumpley juyin. A ce kuna da injin ingshin allura tare da yankin silima na allura na 50 cm ^ 2, saurin allurar 10 cm / sec, da kuma saurin motocin 1000 Rpm.
Yin amfani da tsari:
Fitar da juzu'i na Single Prive = Tsarin Silinda Silin Silin Silin Silin Silin Silinti / Saurin Motsa = 50 10 60/1000/1000/1000
A wannan yanayin, ƙarar pumpam na pumple zai zama 30 CC / sec.
Jimlar yin alluna
Jimlar rashin tsari shine muhimmin sifa mai mahimmanci a cikin tsarin allurar. Yana wakiltar iyakar ƙarfin da aka yiwa kayan filastik a cikin kayan cikin allura.
Ma'anar da mahimmancin yanayin watsi
Jimlar yin watsi da tsarin yin na nufin jimlar sojojin da ke aiki akan kayan filastik na molten kamar yadda ake allurar cikin kogon. Hadaddiyar ta haɗu da matsin lamba ta hanyar allurar rigakafi da juriya sun ci gaba da tsarin da kayan yayin da yake gudana cikin ƙirar.
Daidai yana lissafin jimlar alluna yana da mahimmanci don tabbatar da ingantaccen mara nauyi, hana lalata tsarin allurar gaba ɗaya.
Jimlar allura matsa lamba
Za'a iya ƙididdige yawan allura ta amfani da tsarin da ke gaba:
(1) Matsakaicin matsin lamba (kilogiram / cm ^ 2) * Yankin Silinda (cm ^ 2) = Totectionsididdiga
(2) matsa lamba (kg / cm ^ 2) * yanki dunƙule (cm
Don amfani da waɗannan dabarun, kuna buƙatar sanin matsi mai ƙarancin tsarin, yankin silima, matsin lamba, da kuma yankin dunƙulewar inji.
Dalilai suna shafar tsarin watsi
Abubuwa da yawa na iya rinjayi jimlar tsarin yin watsi, gami da:
Kayan kayan:
Designerarfin ƙira:
Halayen na'ura:
Ikon allura
Dever Deirƙira da girma
Misalai da aikace-aikace masu amfani
Bari muyi la'akari da misali don bayyana aikace-aikacen amfani na jimlar tsarin magance matsalar. A ce kuna da injin ingshin allura tare da matsakaicin matsin lamba na kilogiram na kilogiram na kilo 50 cm ^ 2, da kuma yanki na dunƙule na 10 ck ^ 2. An saita matsarin allura a kilogiram 1500 / cm ^ 2.
Amfani da tsari (1):
Jimlar yin watsi da matsin lamba = matsakaicin tsarin silin da ke cikin matsakaici
Amfani da tsari (2):
Jimlar yin watsi da tsari = allura matsin lamba ta dunƙule = 1500 10 = 15,000 kg
A wannan yanayin, jimlar tsarin allura zai zama 100,000 kg ta amfani da tsari (1) da kilogiram 15,000 ta amfani da tsari (2).
Dunƙulewar sauri da hydraulic Motyar Motocin Motoci na Hydraulic
Duwatsu dunƙule da kuma ƙarfin juzu'in hayaƙi guda biyu ne masu mahimmanci sigogi a cikin tsari na allurar. Suna taka muhimmiyar rawa wajen tantance karfin da aka shirya da kuma ingantaccen inganci na allurar allura.
Ma'anar da mahimmancin sikirin sikirin dunƙule da kuma ƙarfin hydraulic
Fursunkar dunƙule yana nufin dawowar juzu'i na dunƙule a cikin na allurar allura, yawanci ana auna shi a cikin juyin juya halin minti (rpm). Yana da kai tsaye yana shafar adadin karfi, hadawa, da kuma narkar da kayan filastik.
Yawan juyin juya halin Hydraulic, a gefe guda, shine adadin ruwa wanda hydraulic ke gudun hijira yayin kammala juyin juya hali. An auna shi ne yawanci a cikin santimita na Cubic a cikin juyin juya hali (CC / Rev).
Waɗannan sigogi suna da alaƙa da taka muhimmiyar rawa wajen sarrafa tsarin aikin filastik, don tabbatar da tsarin daidaitaccen tsari.
Dunƙulewar gudu da kuma hydraulic Motar Motocin Motoci na Hydraulic
Ana iya bayyanar da dangantakar da ke tsakanin dunƙulen ƙwallon ƙafa da kuma ƙarfin hydraulic guda ɗaya na hydraulic guda ɗaya ana iya bayyana ƙararar ƙarawa ta amfani da abubuwan da ke gaba:
(1) Yarar juyin juya halin mutum ɗaya (CC / rev / Rep (RPM) / RPM) / Rufin Motar Motoci na Hydraulic
(2) Yawan juyin juya halin mutum ɗaya (CC / rev / Rep) * RPM) / RPM) / Dydraulic Motyar Motoci
Don amfani da waɗannan dabarun, kuna buƙatar sanin ƙarar famfo guda ɗaya, saurin motsa jiki, da kuma ko dai dunƙulewar juyawa ko ƙarfin hydraulic guda ɗaya.
Abubuwan da suka shafi saurin dunƙule da kuma ƙarfin sati
Abubuwa da yawa na iya rinjayar murfin dunƙule da kuma yawan juyin juya halin Motsa Hydraulic, gami da:
Kayan kayan:
DREM DARAJA:
Ratsar Matsakaici
L / d rabo
Hada abubuwa
Bayanin allurar allura:
Ikon famfo
Motoci da Torque
Misalai da aikace-aikace masu amfani
Bari muyi la'akari da misali don nuna aikace-aikacen da ake amfani da shi na siket gudunce da kuma hydraulic Motar Motoci na Motsa Motoci na Hydraulic. Da ace kuna da injin ƙirar allura tare da juzu'in juzu'i na ɗaya na cc / rev / rev, juye-juye na hydraulic guda 250 na cc / rev.
Yin amfani da tsari (1) don ƙididdige dunƙulen dunƙule:
Dunƙulewar dunƙule = sutturar suttura ta juzu'i na motsi / hydraulic Motyar Motoci guda ɗaya = 100 1500/250 RPM
Yin amfani da tsari (2) don ƙididdige ƙarfin hydraulic na Motoci na Hydraulic:
Girman juyin juya halin Hydraulic guda ɗaya = saurin motsi na Motoci na Motoci na Zubahin 4 .
A wannan yanayin, saurin saurin zai zama 600 rpm, da kuma ƙarfin hydraulic Motse na hydraulic zai zama 250 CC / Rev.
Tsarin tsari don ƙarfin ƙarfi
Abubuwan da aka tsara don ƙarfin ƙarfi suna sauƙaƙe hanyoyin don kimanta ƙarfin da ake buƙata a cikin allurar da aka buƙata. Wadannan dabaru suna ba da hanya mai sauri don sanin girman injin da ya dace don aikin ƙirar da aka bayar.
Ma'anar da mahimmancin dabarun da gangan don ƙarfin ƙarfi
Abubuwan da aka tsara don ƙarfin ƙarfi ana samun su daga ƙwarewa da lura a cikin allurar. Suna yin la'akari da abubuwan mahimman abubuwan kamar yadda aka shirya yankin samfurin, kayan kayan abu, da kuma alamun aminci.
Waɗannan dabarun suna da mahimmanci saboda dalilai da yawa:
Suna ba da izinin kimantawa da sauri na clamping bukatun
Suna taimakawa wajen zabar injin da suka dace
Sun tabbatar da isasshen ƙarfi don hana zirga-zirga na waje da kuma samuwar walƙiya
Yayinda dabara take ba da kyakkyawan farawa, yana da mahimmanci a lura cewa bazai yi la'akari da duk hadaddun aikace-aikacen takamaiman aikace-aikace ba.
Tsarin tsari na 1 don murkushewa
Farkon tsari na farko don karfi na matsawa ya dogara ne da karfi matsa lamba (KP) da yanki na samfur (s):
Clamping karfi (t) = clamping karfi akai kp samfurin da aka shirya a yankin s (cm ^ 2) factorarancin aminci (1 + 10%)
A cikin wannan dabara:
KP yana da kullun wanda ya dogara da kayan da ake gyarawa (yawanci jere daga 0.3 zuwa 0.8)
S shine yanki na samfurin a cm ^ 2
Yarjejeniyar Lafiya na 1.1 (1 + 10%) asusun don bambance-bambancen a cikin kaddarorin kayan aiki da yanayin sarrafawa
Wannan tsari yana ba da hanya mai sauri don kimanta ƙarfin ƙarfin da ake buƙata dangane da kayan aikin halittar samfurin da kayan.
Tsarin tsari na 2 don murkushe karfi
Tsarin tsari na biyu da ya dace don karfin murfi ya dogara ne akan matsin lamba na kayan aikin da aka shirya da kuma an shirya shi na samfurin:
Matsa ƙarfi (t) = Tsarin matsin lamba na matsin lamba na kayan aiki wanda aka tsara yanki s (1 ^ 2) = 1000 (1 + 10%) / 1000 (1 + 10%) / 1000 (1 + 10%) / 1000 (1 + 10%)
A cikin wannan dabara:
Ana ɗauka matsin lamba na kayan abu ya zama mashaya 350 (darajar hali ga filastik da yawa)
S shine yanki na samfurin a cm ^ 2
Karancin aminci na 1.1 (1 + 10%) ana amfani da shi don Asusun don Bambancin
Wannan tsari yana da amfani musamman lokacin da ba a san takamaiman kayan kayan abu ba, kamar yadda ya dogara da ƙimar matsin lamba na Mold.
Misalai da aikace-aikace masu amfani
Bari muyi la'akari da misali don nuna aikace-aikacen aikace-aikacen da aka tsara don ƙarfin karuwa. Da ace kana da samfurin tare da yankin da aka tsara na 500 cm ^ 2, kuma kana amfani da Abs filastir (KP = 0.6).
Yin amfani da tsari mai mahimmanci 1:
Clamping karfi (t) = kp s (1 + 10%) = 0.6 500 1.1 = 330 t
Yin amfani da tsari mai mahimmanci na 2:
Clamping karfi (t) = 350 s / 1000 s / 1000 (1 + 10%) = 350 500/1 = 19200 1.1 = 1925 t
A wannan yanayin, tsari mai mahimmanci 1 yana ba da shawarar wani kumburi mai ƙarfi na 330 t, yayin da yake nuna tsari na 192.5 T.
Dokar da za a iya sarrafa ta
A cikin allurar gyara, iya amfani da muhimmiyar rawa wajen tantance ingancin aiki da ingancin aiwatarwa. Bari mu bincika wannan manufar ci gaba kuma muyi yadda ake kirawo shi.
Fahimtar da filastik
Propertitarfin da aka yi na nufin adadin kayan filastik wanda za'a iya narke da kuma irin kayan masarufi na allurar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar cuta a cikin lokacin da aka ba. Ana bayyana yawanci a cikin gram a cikin biyu (g / sec).
Muhimmancin ƙarfin filastik ya ta'allaka ne a cikin tasirin kai tsaye akan:
Yawan samarwa
Kayan aiki
Bangare mai inganci
Rashin ƙarfin filastik na iya haifar da lokacin sake zagayowar lokaci, talaka mai ɗorewa, kuma ya saba da kayan sarrafawa. A gefe guda, ikon filastik na iya haifar da lalata kayan duniya da ƙara yawan amfani da makamashi.
Yadda za a lissafta ƙarfin noma?
Za'a iya ƙididdige ƙarfin aikin injin da aka gyara na injin ingin allurar ta amfani da tsari mai zuwa:
W (g / sec
A ina:
W: Procactized Pickcity (G / Sec)
D: dunƙule diamita (cm)
H: Cikewa Zurfin Tashar A Karshe (cm)
N: subnow rotity gudun (rpm)
S: Raw kayan ƙasa
Don amfani da wannan dabara, kuna buƙatar sanin dunƙulen dunƙule na geometry (diamita da zurfin filayen, da kuma yawan saurin filastik, da yawa da kayan filastik.
Bari muyi la'akari da misalin don nuna tsarin lissafin. Da ace kuna da injin ingshin allura tare da bayanan bayanan masu zuwa:
Dunƙule diamita (d): 6 cm
Scarfafa Zurfin Tashar A Karshe (H): 0.8 cm
Scriwararrun Sauri (n): 120 rpm
Raw kayan aiki (s): 1.05 g / cm ^ 3
Provgging waɗannan dabi'u a cikin dabara:
W = 2.5 × (6 / 2.54) ^ 2 × (0.8 / 2.54) × 120 × 1.05 × 1000/3600/2
W = 2.5 × 5.57 × 0.31 × 120 × 1.05 × 0.139
W = 7.59 g / sec
A cikin wannan misalin, ƙarfin filastik na injin daskararre yana da kusan gram 7.59 a sakan na biyu.
Aikace-aikace aikace-aikace da la'akari
Lokacin amfani da tsarin lissafin don yin allurar rigakafi a cikin yanayin yanayin Duniyar, dole ne a la'akari da ingantaccen sakamako. Bari mu bincika waɗannan la'akari kuma mu ga yadda suke tasiri a zaɓi na injunan da ke cikin takamaiman samfuran samfuran.
Abubuwa don la'akari
Don cimma ingancin da ake so da ingancin samarwa, yana da mahimmanci don la'akari da waɗannan sigogi masu zuwa:
Cloping karfi:
ARPORD ARTRE:
Yana shafar cika saurin da kuma tattara kogon
Tasirin jikoki, gama farfajiya, da kwanciyar hankali
Yarar allura:
Saurin alluna:
Yana shafar cikar tsarin, ƙimar karfi, da halayen kayan duniya
Yana tasiri bayyanar ɓangaren, kaddarorin injin, da lokacin sake
Ta hanyar bincika waɗannan dalilai da amfani da abubuwan da suka dace da abubuwan da suka dace na iya inganta sigogin tsari kuma zaɓi na'urorin da suka dace don aikace-aikacen da aka bayar.
Bayani mai dacewa da kayan masarufi ga bukatun samfuran
Don kwatanta mahimmancin ƙayyadaddun ƙayyadaddun kayan haɗi zuwa buƙatun samfur, bari mu bincika kaɗan nazarin shari'ar:
Karatun Karatun 1: Abubuwan Kayan Aiki
Abu: Abs
Sashi na bangare: 250 x 150 x 50 mm
Kauri mai kauri: 2.5 mm
Da ake buƙata murkushe karfi: tan 150
Yara na allura: 150 cm ^ 3
A wannan yanayin, injin gyara na allura tare da karfin zartar da tan 150 da kuma ikon yin allura na 150 cm ^ 3 ko fiye da shi zai dace. Hakanan injin din ya kamata ya sami damar kula da matsarin zubar da bukatun da ake buƙata da sauri ga Abs kayan.
Karatun karatun 2: Abubuwan Na'urar Na'urar Kiwon lafiya
Don wannan kayan aikin na'urar na likita, ƙaramin na'urori na ingantaccen allurar rigakafi tare da ƙarfi na kusan tan 30 da kuma ikon yin allura na 10 cm ^ 3 zai dace. Yakamata injin ya yi daidai da ikon yin allura da sauri don tabbatar da daidaitaccen daidaito da ingancin yanayin da ake buƙata don aikace-aikacen likita.
| Karatun | kayan | aiki | nazarin | | |
| 1 | Abin da | 250 x 150 x 50 | 2.5 | 150 | 150 |
| 2 | PC | 50 x 30 x 10 | 1.2 | 30 | 10 |
Ƙarshe
A cikin wannan labarin, mun bincika mahimman abubuwan allurar rigakafi. Cikakken lissafi don karuwar karfi, matsarin allura, da sauri suna da mahimmanci. Wadannan dabaru suna tabbatar da inganci da ingancin samfurin.
Yin amfani da tsarin tsayayye yana taimakawa wajen inganta tsarin allurar ka. Cikakken lissafin yana hana lahani da kuma inganta ingancin samarwa.
Koyaushe yi amfani da waɗannan dabarun a hankali. Ta yin hakan, zaku cimma sakamako mafi kyau a cikin ayyukan da kuka daidaita ayyukan ku.
