TPE mai yawa don robobi na injiniya | Mannewa, Warpage, Amincin Fuskoki
TPE mai yawa don injiniyoyin robobi
Shafin yanke shawara don ayyukan da nasarar da aka samu ta hanyar maye gurbin ya dogara ne akanKayan aiki × Tsarin × Tsarin.
Wannan shafin yana mai da hankali ne kan wuraren ciwo guda uku masu yawan gaske:barewa / cirewa, yaƙin da ke haifar da raguwar sha'awa,
kumagazawar hanyar sadarwa bayan zagayowar zafi on PC / ABS / PPƙananan abubuwa.
Babban alamar gazawar
Bacewa daga mold (da wuri ko bayan taro)
Haɗarin lissafi
Rashin daidaiton raguwa yana haifar da warpage / karkacewa
Haɗarin Aminci
Zagayen zafi: keɓancewar micro-crack → delamination
Yawancin gazawar da ke tattare da siminti ba “abin da ya ɓace dukiya ɗaya” ba ne.
Asalin dalilin yawanci shinekuskuren zato na tsarin mannewa(na inji da na sinadarai),
ko kuma atsari + hanyar sanyayawanda ke ƙara yawan damuwa a wurin da ake hulɗa da shi.
Asalin dalilin yawanci shinekuskuren zato na tsarin mannewa(na inji da na sinadarai),
ko kuma atsari + hanyar sanyayawanda ke ƙara yawan damuwa a wurin da ake hulɗa da shi.
Tsarin Mannewa
Haɗin Inji
Haɗin Sinadarai
Ragewa da Warpage
Keke Mai Zafi
PC / ABS / PP
Haɗin Inji
Haɗin Sinadarai
Ragewa da Warpage
Keke Mai Zafi
PC / ABS / PP
Aikace-aikace na yau da kullun
- Rikodi da hannaye masu laushi- ingancin da aka fahimta ya dogara ne akan "babu gefen barewa" da kuma jin daɗin da ya dace bayan tsufa.
- Yankunan rufewa / damshi a kan gidaje masu tauri- dole ne haɗin yanar gizo ya tsira daga matsi, shakatawa, da canjin zafin jiki.
- Maɓallai / bumpers / kusurwoyin kariya- tasirin + damuwa na cyclic na iya haifar da haɓakar fashewar hanyar sadarwa.
- Kayan da za a iya sawa/kayan amfani- kula da yaƙi yana da mahimmanci kamar yadda mannewa don haɗawa da kayan kwalliya ke da mahimmanci.
Zaɓin Sauri (Manhajar Jerin Gajeru)
Zaɓi "Mechanical-First" lokacin da
- Substrate shinePP(ko kuma saman da ba shi da ƙarfi sosai)
- Tsarin motsa jiki na thermal ko kuma tsawon rai yana da mahimmanci
- Matsalar ja/barewa na faruwa koda bayan an gyara tsarin aiki
- Zaka iya ƙara ƙananan ramuka / ramuka / ramuka don kulle overmold
Zaɓi "Kimiyya Mai Iko" lokacin da
- Substrate shineABS(sau da yawa ya fi gafartawa)
- Substrate shinePCkuma ana sarrafa damuwar dubawa
- Tsarin sassa yana iyakance makullan da ake iya gani (ƙa'idojin kayan kwalliya)
- Za ka iya ci gaba da tsarin aiki mai karko (zafin mold + yanayin sanyaya)
Bayani: Mafi kyawun zaɓi don tabbatar da inganci shine yawancin lokaciGauraye: matsakaicin haɗin gwiwa + tsarin TPE mai jituwa, maimakon dogaro da sinadarai kawai.
Yanayin Rashin Nasara da Aka Fi Sani (Dalilin → Gyara)
Yi amfani da wannan tebur a matsayin hanyar gano cutar cikin sauri. A cikin yawan mold, "gwajin farko mai ƙarfi na jan" baya bada garantin inganci bayan an yi amfani da shi.
sanyaya damuwakumazagayawan zafi-sanyi.
| Yanayin Rashin Nasara | Dalili Mafi Yawa | Gyaran da aka ba da shawarar |
|---|---|---|
| Barewa/warkewa bayan an yi gyaran fuska | Hanyar mannewa mara kyau (tsammanin haɗin sinadarai lokacin da tsarin yake aiki ne kawai ta hanyar injiniya); ƙarancin matsin lamba ta hanyar sadarwa | Canja zuwa ƙirar injina ta farko (haɗin gwiwa); daidaita ƙofa/fakitin don inganta matsin lamba na hanyar sadarwa; tabbatar da matakin/ƙarshen substrate |
| Ɗaga gefen bayan sa'o'i 24-72 | Ragowar damuwa ta raguwar raguwar damuwa tana sakin lokaci; rabon kauri yana ƙara yawan damuwa a gefen | Rage kauri mai yawa a gefen; ƙara radii mai rage damuwa; zaɓi tsarin TPE mai ƙarancin damuwa; inganta daidaiton sanyaya |
| Warpage / karkatarwa (ba daidai ba ne a haɗa shi) | Rashin daidaiton raguwa + sanyaya mara daidaituwa; an sanya mold mai yawa a gefe ɗaya na ɓangaren da ya taurare | Daidaita yanayin lissafi (daidaitawa), ƙara haƙarƙari a inda ake buƙata, daidaita tsarin sanyaya; daidaita matsin lamba da lokacin sanyaya |
| Rashin nasarar hanyar sadarwa bayan zagayowar zafi | Rashin daidaiton CTE + rashin daidaiton modulus; ƙananan fasa-fashe suna girma a ƙarƙashin yanayin zafi-sanyi | Yi amfani da fasalulluka na kullewa masu haɗaka; rage damuwa ta hanyar sadarwa (sauƙin sauyawa, fillets); tabbatar da ainihin bayanin hawan keke da wuri |
| "Yana tsayawa akan ABS, yana kasa akan PC/PP" | Bambancin kuzarin saman ƙasa da bambancin polarity; PC/PP yana buƙatar dabaru daban-daban na mannewa | Kada a canja wurin zato a cikin substrates; a ɗauki PC/ABS/PP a matsayin tsarin daban; a sake gudanar da zaɓin tsarin |
Me yasa TPU zai iya zamaabu mai haɗaria nan: a wasu tsarin overmolding yana gabatar damafi girman damuwakuma a
mafi tsaurin hanyar sadarwa, wanda zai iya ƙara ta'azzara warpage da kuma hanzarta fashewa a cikin hanyar sadarwa a ƙarƙashin zagayowar zafi.
Sau da yawa ana fifita TPE idan an fifita aikinkwanciyar hankali a fuskakumasarrafa yaƙi.
mafi tsaurin hanyar sadarwa, wanda zai iya ƙara ta'azzara warpage da kuma hanzarta fashewa a cikin hanyar sadarwa a ƙarƙashin zagayowar zafi.
Sau da yawa ana fifita TPE idan an fifita aikinkwanciyar hankali a fuskakumasarrafa yaƙi.
Matsakaicin Maki da Matsayi (Tushen Aiki)
| Iyalin Aji | Mayar da Hankali kan Substrate | Mayar da Hankali kan Zane | Amfani na yau da kullun |
|---|---|---|---|
| Daidaitaccen TPE-OM ABS / PC | ABS, maki PC da aka zaɓa | Tagar overmolding mai ƙarfi, mannewa mai daidaito + sarrafa warpage | Gidaje masu laushi, riƙo, wuraren da kayan kwalliya ke da mahimmanci |
| Tsarin Sadarwa na Kwamfuta na TPE-OM | PC | Ƙananan damuwa ta hanyar sadarwa, ingantaccen kwanciyar hankali na zagayowar zafi (ya dogara da aikin) | Gidajen PC tare da fallasa yanayin hawan zafi da kuma juriyar haɗuwa mai ƙarfi |
| TPE-OM PP Mechanical-First | PP | An tsara shi don dabarun kulle injina da juriyar tsari mai ƙarfi | Abubuwan PP inda haɗin sinadarai ba shi da tabbas ko kuma ba a yarda da su ba |
| Sarrafa Ƙananan Yaƙi na TPE-OM | PC / ABS / PP | Alkiblar rage damuwa (ayyukan da suka shafi yanayin lissafi) | Manyan sassa, abubuwan da ba su da alaƙa da juna, abubuwan da suka taurare a bango |
Lura: Zaɓin ƙarshe ya dogara da matakin substrate, kammala saman, kauri mai yawa, wurin ƙofa, ƙirar sanyaya, da kuma tsarin zagayowar tsufa/zafin zafi.
Muhimman Fa'idodin Zane (Abin da "Kyakkyawa" Ya Kamata)
- Tsabtace tsarin mannewa: ka san ko kana kullewa, ko kuma kana ɗaurewa, ko kuma duka biyun.
- Tsarin sanin yaƙi: ana ɗaukar damuwa ta raguwa a matsayin canjin ƙira, ba abin mamaki ba.
- Ingancin zagayowar zafi: haɗin yanar gizo yana da karko ba tare da haɓakar ƙananan fasa ba.
- Juriyar tsari: sakamako mai ɗorewa a duk lokacin da aka yi amfani da tagar gyaran fuska mai ma'ana.
Sarrafawa da Shawarwari (Matakai 3)
1) Tabbatar da Hanyar Mannewa
Ka yanke shawara kan haɗin kai tsakanin injina da sinadarai (ko haɗin gwiwa) kafin gwaji.
Wannan yana ƙayyade fasaloli na ɓangare, dabarun ƙofa, da gwaje-gwajen karɓa.
Wannan yana ƙayyade fasaloli na ɓangare, dabarun ƙofa, da gwaje-gwajen karɓa.
2) Kula da Sanyaya & Rage Damuwa
Warpage sau da yawa matsala ce ta rashin daidaiton sanyaya. A ci gaba da sanyaya daidai gwargwado, a guji yin amfani da molds masu kauri ɗaya,
kuma a tabbatar da ainihin ɓangaren, ba takardun shaida ba.
kuma a tabbatar da ainihin ɓangaren, ba takardun shaida ba.
3) Tabbatar da Hanya Mai Kyau
Kada ka tsaya a farkon bare/ja. Haɗa da zagayowar zafi, tsufar danshi/zafi (idan ya dace),
da kuma kwaikwayon kayan aiki don haɗawa.
da kuma kwaikwayon kayan aiki don haɗawa.
- PC da ABS da PP:a ɗauke su a matsayin tsarin daban-daban; kada a sake amfani da zato iri ɗaya.
- Tsarin gefen:Yawancin barewa yana farawa ne daga gefuna. Yi amfani da radius, kauce wa sauye-sauye masu kaifi, kuma yi la'akari da kullewa ta hanyar haɗaka.
- Tsarin gwaji:canza babban canji ɗaya kawai a kowace maimaitawa (tsari, tsari, ko tsari), ba duka a lokaci guda ba.
Wannan shafin ya dace da ku?
Za ku fi amfana idan:
- Girman jikinkayana cirewako kuma yana nuna ɗaga gefen bayan ɗan gajeren lokaci
- Ka ganiwarpagebayan sanyaya ko bayan awanni 24-72
- Sassan sun wuce ja na farko amma sun kasa bayanzagayowar zafi
- Kana buƙatar yanke shawara mai haske game da tsarin aiki:haɗin kai na inji vs haɗin sinadarai
Nemi Samfura / TDS
Idan kuna gudanar da aikin overmolding akan PC/ABS/PP kuma kuna son rage haɗarin gwaji,
tuntuɓe mu don samun shawarar jerin sunayen da jagorar gwaji dangane da yanayin ku, tsarin ku, da kuma alamun gazawar ku.
Domin samun shawarar gaggawa, aika:
- Ƙarfe:PC / ABS / PP(matsayi idan an san shi), ƙarewar saman (launi / sheki), da duk wani ƙari
- Tsarin siffofi: yankin da aka yi wa overmold, kewayon kauri, da kuma ko makullan haɗin gwiwa za su yiwu
- Alamar gazawa: wurin da barewar take, lokacin da take (nan take / awanni 24–72 / bayan hawa keke), da hotuna idan akwai
- Bayanan tsari: zafin mold (idan an sani), matsayin ƙofa, matsalolin sanyaya, da lokacin zagayowar
