Maye gurbin Hannun Bar Machineed tare da Simintin Zuba Jari a cikin Kayan Aikin tiyata na Hannu

1. Al'adar "machined-daga mashaya" a cikin kayan aikin hannu

An yanke kayan aikin tiyata na hannu daga 17-4 PH, 440C da AISI 316 hannun jari tun da dadewa kafin saka hannun jari ya kasance babban tsari na samarwa ga sassan likitanci. Al’adar ta dore saboda:

• Bar stock yana da sanannun kaddarorin injiniyoyi waɗanda injiniyoyi ke jin daɗin tantancewa.
• 5-axis CNC injuna rike da undercuts da radi cewa hannun-kayan geometry sau da yawa bukatar.
• Ƙarfe guda ɗaya na iya samar da sassa da yawa a kowace kuri'a tare da ɗan gajeren saiti.
• Asibitoci da ƙungiyoyin sayayya suna da ra'ayin mazan jiya game da sauye-sauyen tsarin masana'antu don kayan aikin da ke shiga cikin jiki.

Wannan al'adar tana cikin matsi na gaske. Hanyar hannun jari tana lalata 60-80% na kayan da aka siya azaman kwakwalwan kwamfuta, yana buƙatar mintuna 20-40 na lokacin sake zagayowar kowane sashi akan injin 5-axis, kuma yana samar da fasali - kamar ƙwanƙolin riko da sarewa, rafukan bazara na cikin gida, sifofin katangar axis da yawa - waɗanda ke da yuwuwar injiniya amma mai raɗaɗi. Yayin da masu siye ke kallon raguwar farashin raka'a a fuskantar mafi girman ƙwaƙƙwaran Turai / Amurka da tsadar makamashi, batun juyawa zuwa simintin saka hannun jari yana ƙara fitowa fili.

2. Inda saka hannun jari ya ci nasara - misalan kayan aiki guda biyar

3. Dokokin ƙira - abin da ke sa kayan aikin simintin gyare-gyare

Tsarin saka hannun jari yana da dokoki. Idan zanenku ya keta su, kuna biyan su a cikin rayuwa mai ƙima, a cikin simintin simintin gyare-gyare, ko a lokacin aikin injin da ke share ceton lokacin sake zagayowar. Mafi mahimmanci ga kayan aikin hannu:

• Kaurin bango : nufin 1.2 - 3.0 mm bangon uniform. A ƙasa 1.0 mm kuna haɗarin kuskure; sama da mm 4 kuna biya ƙarin a lokacin yin simintin gyare-gyare kuma ƙila za ku buƙaci sanyaya mai tsayi don guje wa raguwar porosity.
• Radii : 1.0 mm ƙarami akan sasanninta na ciki. Sasanninta masu kaifi suna haifar da yawan damuwa a duka simintin gyare-gyare da kuma na ƙarshe - suna kuma haifar da yawan damuwa a cikin ƙirar kakin zuma kuma suna gajarta rayuwar ƙira.
• Matsakaicin zane : 0.5-1.0° akan fuskokin zane. Dole ne kakin zuma ya fito da tsabta daga mutu; m haƙuri a kan zane tare da sifili daftarin aiki yana nufin tsada kayan aiki ko guntu.
• Rubutun Rubutun : Simintin simintin simintin gyare-gyare suna da santsi don yawancin abubuwan da ba su da hannu, amma idan ƙirar tana buƙatar knurling, dole ne a ƙayyade shi azaman simintin simintin gyare-gyare, ba mashin da aka yi bayansa ba (in ba haka ba knurl yana lalacewa a cikin autoclave).
• Ƙarƙashin-yanke : ana iya yin sa a cikin simintin saka hannun jari amma suna tura ƙaƙƙarfan mold da kowane yanki na kakin zuma tsada. Kada a ƙara ƙasa-yanke sai dai idan ƙirar tana buƙatar su.
• Haɗin gwiwa / ɗaukar ƙwanƙwasa : barin izinin injin injin 0.4 - 0.6 mm akan kowane saman da ke buƙatar haɗuwa zuwa wani sashi. Simintin gyare-gyare ba madadin ƙarewa ba ne a kan madaidaicin shimfidar wuri.

Ƙa'idar aiki ta babban yatsan hannu ita ce aika zanen zuwa ginin da wuri kamar yadda za ku iya , tun kafin ƙirar ku ta daskare. Zaman martani na DFM shine wuri mafi arha don nemo ƙananan canje-canje waɗanda ke juya simintin gyare-gyare zuwa mai fa'ida.

4. Lokacin BA'a canza sashi zuwa simintin saka hannun jari ba

Wasu ƴan yanayi inda canjin simintin gyare-gyare ba daidai ba ne:

• Ƙarfin da ke ƙasa ~ 500 guda / shekara : farashin kayan aiki ba ya aiki, kuma kayan aikin kakin da aka buga na 3D yawanci sun fi tsada kowane yanki fiye da machining mashaya a waccan ƙarar.
• Ƙananan sassa masu ƙarfi (a ƙarƙashin ~ 10 g) inda ka'idodin kauri na bango ke da wuya a yi biyayya : jikin direban allura, ɓangarorin fata guda ɗaya. Machining mashaya yayi nasara a nan.
• Sassan juzu'i na axis guda ɗaya : fil ɗin tilastawa, tip mai sikelin haƙori, reamer. Waɗannan su ne ayyukan juyayi; Babu abin da aka samu ta ƙara matakin jefawa.
• Kayayyakin da ba su da hankali don jefawa a cikin shagonmu : titanium mai tsaftataccen dasa, wasu yumbu na zirconia. Muna guje musu.
• Mai siye wanda ba zai iya karɓar "filayen simintin gyare-gyare na al'ada ba ne" : idan zanenku ya ƙayyade Ra 0.4 µm akan kowace fuska, ba kwa son simintin simintin gyare-gyare - kuna son ɓangaren injin da ya dace. Sassan simintin gyare-gyare na buƙatar tsarin kula da ƙasa.

5. Cost / gubar-lokaci lissafi - yadda za a yi tunani game da shi

Canjin kayan aikin hannu na yau da kullun yayi kama da wannan a cikin 2026:

• Amortization kayan aiki don SLA / 3D-bugu na kakin zuma master da aluminum mutu: USD 5,000 - 15,000 akan rayuwar kayan aiki guda 5,000. Don mutuƙar ƙarfe mai ƙarfi (yawanci ≥ 50,000 girma girma): USD 25,000 - 80,000.
• Labari na farko + FAIR : 6 - 9 makonni daga PO.
• Serial price yanki (bayan gudu-guda 5,000) : yawanci 30-50 % ƙasa da daidai 5-axis machined-daga mashaya farashin a kan wannan fasalin sa.
• Lokacin jagora a kowane tsari (bayan labarin farko) : 4 - 6 makonni don tsari guda 5,000, ƙasa da kowane yanki fiye da sandar da aka ƙera.

Waɗannan lambobin suna canzawa sosai tare da tsadar kayan aiki. Idan mashaya 17-4 PH ya zama mai tsada sosai, lamarin yin simintin yana ƙara ƙarfi.

6. FAQ

Q: Shin saka hannun jari yana canza halayen ƙarfe na haɗin gwiwa na 17-4 PH idan aka kwatanta da hannun jari? A: Ee - kuma yawanci a cikin hanyar da kuke so. Zuba jari-simintin 17-4 PH yana da mafi kyawun, mafi ƙarancin hatsi fiye da mashaya mai girman diamita, wanda ke inganta aikin gajiya kuma yana ba da daidaiton tauri bayan maganin zafi. Ilimin sunadarai ba ya canzawa; microstructure yayi.

Tambaya: Zan iya ci gaba da zane na kuma in sami simintin kashi ɗaya kawai? A: Wani lokaci eh, amma yawanci a'a. Simintin saka hannun jari yana amfana daga ƙananan gyare-gyaren zane (radis, daftarin aiki, kauri na bango) don kiyaye farashin kayan aiki mai ma'ana da ƙarancin ƙima. Bita na DFM wani bangare ne na kowane sabon sashe da muka kawo.

Tambaya: Shin yin simintin gyaran kafa yana aiki don ƙananan batches (ce 200 kida)? A: Don samfura, i - kayan aikin kakin da aka buga na 3D yana sa hakan mai araha. Don ci gaba da samarwa, simintin gyare-gyare yawanci yana buƙatar ≥ 500-1,000 guda / shekara don amortise kayan aiki.

Tambaya: Me game da hypo-tubing da sauran sassa na bakin ciki na bango mai tsayi? A: Zuba jari yawanci ba shine tsarin da ya dace don sassa na bakin ciki-bangon kamar sassa; Laser waldi, hydro-forming ko machining daga tube ne yawanci mafi alhẽri. Za mu gaya muku idan sashe bai dace da yin simintin gyare-gyare ba yayin nazarin DFM.

Tambaya: Ƙarshen farfajiyar zai bambanta da hannun jarin mashaya? A: Ee - farfajiyar simintin gyare-gyaren tana da siffa mai laushin hatsi. Don saman aiki (kujeru masu ɗaukar nauyi, fuskokin muƙamuƙi) muna sarrafa waɗannan fasalulluka ta wata hanya. Don kayan ado masu kyau muna ba da electropolishing da passivation wanda ke kawo saman ƙasa zuwa Ra ≤ 0.4 µm.

7. Kammalawa

Maye gurbin mashin injuna tare da simintin saka hannun jari kyakkyawan yunkuri ne don hadadden kayan aikin hannu a cikin girman tsari daga guda 1,000 zuwa sama - yana yanke lokacin zagayowar, tsadar kayan aiki da canjin kayan aiki a mataki ɗaya. Don sassauƙan sassa na jujjuyawa ko juzu'i na yanki-500 na shekara-shekara, sandar injin da aka yi har yanzu ita ce amsar da ta dace, kuma babban tushe zai gaya muku hakan. A Ningbo Ruican muna gudanar da shekaru 17+ na aikin a kan likita 17-4 PH da AISI 316L simintin gyare-gyare, tare da maganin zafi a cikin gida da kuma kammala CNC.