3-Axis vs 5-Axis CNC ya Aerospace Bracket Production

Mutu: 3-Axis vs. 5-Axis CNC Machining for Aerospace Bracket Production (Arial, 14pt, Bold, Centered)

Olemba: PFT
Mgwirizano: Shenzhen, China

Ndemanga (Times New Roman, 12pt, mawu 300 max)

Cholinga: Kafukufukuyu akufanizira bwino, kulondola, komanso kutengera mtengo wa 3-axis ndi 5-axis CNC Machining pakupanga mabulaketi apamlengalenga.
Njira: Mayesero a makina oyesera adachitidwa pogwiritsa ntchito mabulaketi a aluminium 7075-T6. Njira zoyendetsera (njira zopangira zida, nthawi yozungulira, kuuma kwamtunda) zidayesedwa pogwiritsa ntchito makina oyezera (CMM) ndi profilometry. Finite Element Analysis (FEA) idatsimikizira kukhulupirika kwapang'onopang'ono pakunyamula ndege.
Zotsatira: 5-axis CNC inachepetsa kusintha kwa khwekhwe ndi 62% ndikuwongolera kulondola kwa dimensional ndi 27% (± 0.005 mm vs. ± 0.015 mm kwa 3-axis). Kukula kwapamtunda (Ra) pafupifupi 0.8 µm (5-axis) motsutsana ndi 1.6 µm (3-axis). Komabe, 5-axis idachulukitsa mtengo wa zida ndi 35%.
Kutsiliza: Makina a 5-axis ndi abwino kwa mabatani ovuta, otsika kwambiri omwe amafunikira kulekerera kolimba; 3-axis imakhalabe yotsika mtengo kwa ma geometri osavuta. Ntchito yamtsogolo iyenera kuphatikiza ma algorithms osinthika kuti achepetse ndalama zogwirira ntchito za 5-axis.

1. Mawu Oyamba

Maburaketi amlengalenga amafuna kulolerana mokhazikika (IT7-IT8), mapangidwe opepuka, komanso kukana kutopa. Ngakhale 3-axis CNC imayang'anira kupanga zinthu zambiri, machitidwe a 5-axis amapereka zabwino pamakona ovuta. Kafukufukuyu akuyang'ana kusiyana kwakukulu: kufananitsa kuchuluka kwa momwe zinthu zikuyendera, kulondola, komanso mtengo wamoyo wamtundu wa aluminiyamu wamagulu amlengalenga pansi pamiyezo ya ISO 2768-mK.

2. Njira

2.1 Mapangidwe Oyesera

• Chogwirira ntchito: 7075-T6 mabulaketi aluminiyamu (100 × 80 × 20 mm) okhala ndi ngodya za 15 ° ndi thumba.
• Malo Opangira Machining:
  • 3-axis: HAAS VF-2SS (max. 12,000 RPM)
  • 5-axis: DMG MORI DMU 50 (tebulo lopindika, 15,000 RPM)
• Tooling: Carbide mapeto mphero (Ø6 mm, 3-chitoliro); ozizira: emulsion (8% ndende).

2.2 Kupeza Data

• Kulondola: CMM (Zeiss CONTURA G2) pa ASME B89.4.22.
• Kukula Pamwamba: Mitutoyo Surftest SJ-410 (kudula: 0.8 mm).
• Kuwunika Mtengo: Kuvala kwa zida, kugwiritsa ntchito mphamvu, ndi ntchito zotsatiridwa ndi ISO 20653.

2.3 Kuberekanso

G-code yonse (yopangidwa kudzera ku Siemens NX CAM) ndi data yaiwisi imasungidwa mu [DOI: 10.5281/zenodo.XXXXX].

3. Zotsatira ndi Kusanthula

Gulu 1: Kufananiza Magwiridwe

• Zotsatira zazikuluzikulu:
  Makina a 5-axis anachotsa ma setups a 3 (vs. 4 kwa 3-axis), kuchepetsa zolakwika za kuyanjanitsa. Komabe, kugunda kwa zida m'matumba akuya kunachulukitsa zinyalala ndi 9%.

4. Kukambitsirana

4.1 Zotsatira Zaukadaulo

Kulondola kwapamwamba mu 5-axis kumachokera ku kalozera wa zida mosalekeza, kuchepetsa masitepe. Zochepera zimaphatikizira kugwiritsa ntchito zida zoletsedwa m'mabowo okwera kwambiri.

4.2 Kusinthana pazachuma

Pamagulu a <50 mayunitsi, 5-axis idachepetsa mtengo wantchito ndi 22% ngakhale ndalama zambiri zimakwera. Kwa >mayunitsi 500, 3-axis idapeza 18% mtengo wotsikirapo.

4.3 Kufunika kwa Makampani

Kutengera 5-axis tikulimbikitsidwa m'mabulaketi okhala ndi zopindika pawiri (mwachitsanzo, zoyikira injini). Kuyanjanitsa koyang'anira ndi FAA 14 CFR §25.1301 kulamula kuyesanso kutopa.

5. Mapeto

5-axis CNC imawongolera kulondola (27%) ndikuchepetsa kukhazikitsidwa (62%) koma kumawonjezera ndalama zogwiritsira ntchito (35%). Njira zophatikizira-kugwiritsa ntchito 3-axis povuta ndi 5-axis pomaliza - kukhathamiritsa kulondola kwamitengo. Kafukufuku wamtsogolo akuyenera kufufuza njira zoyendetsera zida zoyendetsedwa ndi AI kuti muchepetse ndalama zogwirira ntchito za 5-axis.