Bayan shekaru da yawa na machining, ka san trochoidal milling

Menene Trochoidal Milling

Ana amfani da injina na ƙarshe don kera jiragen sama, tsagi da sarƙaƙƙiya. Daban-daban da juyawa, a cikin sarrafa ramuka da hadaddun saman waɗannan sassa, ƙirar hanya da zaɓin niƙa suma suna da mahimmanci. Kamar gabaɗaya hanyar niƙa ramin, kusurwar tuntuɓar arc na aiki lokaci guda na iya kaiwa matsakaicin 180 °, yanayin ɓarkewar zafi ba shi da kyau, kuma zafin jiki yana ƙaruwa sosai yayin sarrafawa. Duk da haka, idan aka canza hanyar yanke ta yadda mai yankan niƙa ya juya a gefe guda kuma ya juya a gefe guda, an rage kusurwar lamba da adadin yankan kowane juyin juya hali, ƙarfin yankewa da yanke zafin jiki ya ragu, kuma rayuwar kayan aiki ta dade. . Don haka, ana iya ci gaba da yankan na dogon lokaci, kamar (Figure 1) ana kiransa milling trochoidal.

Amfaninsa shine yana rage wahalar yankewa kuma yana tabbatar da ingancin sarrafawa. Zaɓin zaɓi mai ma'ana na yankan sigogi na iya inganta haɓakawa da rage farashi, musamman lokacin sarrafa kayan injin da ke da wuyar gaske kamar gami da juriya mai zafi da kayan aiki masu ƙarfi, yana iya taka rawa sosai, kuma yana da babban ƙarfin haɓakawa, wanda zai iya zama. dalilin da ya sa masana'antu ke ba da hankali sosai kuma suna zaɓar hanyar milling trochoidal.

Fa'idodin fasaha

Ana kuma kiran cycloid trochoid da excycloid mai tsawo, wato, yanayin wuri a waje ko cikin da'irar motsi lokacin da da'irar motsi ta shimfiɗa wani madaidaiciyar layi don mirgina ba tare da zamewa ba. Hakanan ana iya kiransa dogon (gajeren) cycloid. Sarrafa Trochoidal shine a yi amfani da injin niƙa mai ƙanƙanta da diamita fiye da faɗin tsagi don aiwatar da tsagi mai rabin baka zuwa wani ƙaramin yanki na baka a gefensa. Yana iya aiwatar da tsagi iri-iri da kogon ƙasa. Ta wannan hanyar, a cikin ka'idar, injin ƙarewa na iya aiwatar da tsagi da bayanan martaba na kowane girman girmansa, kuma yana iya aiwatar da jerin samfuran cikin dacewa.

Tare da haɓakawa da aikace-aikacen fasahar sarrafa lambobi na kwamfuta, ana amfani da hanyar milling mai sarrafawa, inganta haɓakar sigogi, da yuwuwar abubuwa masu yawa na milling trochoidal ana amfani da su da ƙari. Kuma an yi la'akari da shi da daraja ta masana'antun sarrafa sassa kamar sararin samaniya, kayan sufuri da kayan aiki da masana'anta. Musamman a cikin masana'antar sararin samaniya, gami da abin da ake amfani da shi na titanium gami da sassa masu jure zafi na nickel suna da halaye masu wahala da yawa, gami da:

Babban ƙarfin thermal da taurin ya sa ya zama da wahala ga kayan aikin yankan don ɗaukar ko ma nakasu;

Ƙarfin ƙarfi mai ƙarfi yana sa ruwa ya zama mai sauƙin lalacewa;

Low thermal conductivity yana da wuya a fitar da zafi mai zafi zuwa yanki mai yankewa, inda yawan zafin jiki yakan wuce 1000ºC, wanda ke kara lalata kayan aiki;

A lokacin sarrafawa, kayan yawanci ana welded zuwa ruwan wukake, yana haifar da ginanniyar gefen. Rashin ingancin injin injin;

Abubuwan da ke da ƙarfi na aikin nickel-based heat-resistant alloy kayan aiki tare da matrix austenite yana da mahimmanci;

Carbides a cikin microstructure na nickel-based heat-resistant alloys zai haifar da lalacewa na kayan aiki;

Alloys na Titanium suna da babban aikin sinadarai, kuma halayen sinadarai kuma na iya ƙara lalacewa da sauransu.

Ana iya sarrafa waɗannan matsalolin ci gaba kuma cikin sauƙi tare da taimakon fasahar milling trochoidal.

Saboda ci gaba da haɓaka kayan aiki na kayan aiki, sutura, siffofi na geometric, da kuma tsarin, saurin ci gaba na tsarin sarrafawa mai hankali, fasahar shirye-shirye, da kuma babban sauri, kayan aiki na kayan aiki masu yawa, mai sauri (HSC) da kuma ingantaccen aiki. (HPC) yankan kuma ya kai wani mataki. sabon tsayi. Mashin ɗin sauri yana la'akari da haɓaka saurin gudu. High-inganci machining ya kamata ba kawai la'akari da kyautata na yankan gudun, amma kuma la'akari da raguwa na karin lokaci, m daidaita daban-daban yankan sigogi da yankan hanyoyi, da kuma yi fili machining don rage tafiyar matakai, inganta karfe kau kudi da naúrar lokaci, kuma a lokaci guda ƙara rayuwar kayan aiki da rage Farashin, la'akari da kare muhalli.

fasahar fasaha

Dangane da bayanan aikace-aikacen milling na trochoidal a cikin injunan injina (kamar yadda aka nuna a cikin tebur da ke ƙasa), lokacin da ake sarrafa gami da titanium Ti6242, ana iya rage farashin kayan aikin yankan a kowace juzu'i ta kusan 50%. Za a iya rage sa'o'i na mutum da kashi 63%, ana iya rage yawan buƙatar kayan aikin da kashi 72%, kuma ana iya rage farashin kayan aiki da kashi 61%. Ana iya rage lokutan aiki don sarrafa X17CrNi16-2 da kusan 70%. Saboda wadannan kyawawan gogewa da nasarorin da aka samu, an yi amfani da tsarin nika na ci gaba na trochoidal a fannoni da yawa, kuma an ba da hankali sosai kuma an fara amfani da shi a wasu fannonin injinan ƙima.