Izixazululo zesici se-shrinkage ekukhishweni kwephrofayili ye-aluminium

Iphoyinti 1: Isingeniso ezinkingeni ezijwayelekile nge-shrinkage ngesikhathi senqubo yokukhishwa kwe-extresion:

Ekukhiqizeni ukukhishwa kwamaphrofayili we-aluminium, amaphutha ajwayele njengoba uShrinkage azovela kumkhiqizo oqediwe ngemuva kokusika ikhanda nomsila ngemuva kokuhlolwa kwe-alkali etching. Izakhiwo zemishini zamaphrofayili we-aluminium aqukethe lesi sakhiwo azihlangabezani nezidingo, zibeke izingozi zokuphepha.

Ngasikhathi sinye, lapho amaphrofayli akhiqizwayo we-Aluminium Alloy afakwa ngaphansi kokwelashwa komhlaba noma ukucubungula, ukuba khona kwalesi sici kubhubhisa ukuqhubeka kwangaphakathi kokuqukethwe, okuzothinta indawo elandelayo nokuqeda. Ezimweni ezibucayi, kuzodala ukuthi amamaki afihliwe ahlatshwe noma alimaze ithuluzi lokuguqula nezinye izingozi, le yinkinga evamile ekukhiqizeni. Lapha, le ndatshana icubungula kafushane izizathu zokwakhiwa kwephrofayili yephrofayili ye-aluminium shrinkage kanye nezindlela zokuyiqeda.

Iphoyinti 2: Ukuhlukaniswa kwe-shrinkage kumaphrofayili we-aluminium angezelwe yi-extruders: i-shrinkage eyize kanye ne-shrinkase ye-anmur:

1) I-Shrinkage eyize: Kwakhiwa umgodi maphakathi nendawo yokuphela komsila wamaphrofayili angejwayelekile nemigoqo. Isigaba sesiphambano sivela njengomgodi onemiphetho enzima noma umgodi onamaphethelo agcwele okunye ukungcola. Isiqondisi eside isigaxa esakhiwe ngendlela ebabazekayo, ithiphu ye-funnel ibhekana nesiqondisi sokugeleza kwensimbi. It mainly occurs in single-hole plane die extrusion, especially at the tail of profiles extruded with small extrusion coefficients, large product diameters, thick walls, or oil-stained extrusion gaskets.

2) I-shrinkage yonyaka: Amaphetho womabili oMkhiqizo Wokukhishwa Kwe-shunt enobumba, ikakhulukazi ikhanda, amasongo anqabile noma ama-arc, futhi ukwakheka kwe-crescent kusobala kakhulu ezinhlangothini zombili zomugqa we-welding. I-shrinkage ye-annurar yomkhiqizo ngamunye we-hole iyalingana.

Isizathu sokwakhiwa kweShrinkage: isimo semishini sokwakhiwa kweShrikage ukuthi lapho isigameko sesigameko siphela futhi kancane kancane i-gasket ekhishwa kancane kancane kusondela ekufeni, ukukhishwa kukhuphuka futhi kukhiqize ingcindezi i-Dn eseceleni umgqomo we-extresion. Leli butho kanye ne-cylinder ye-aclivery ye-DT DT, lapho i-Force Clansing Cysic Dn Cylinder ≥ PAD PAD, insimbi ezungeze indawo ye-gasket ephumayo igeleza ibuyela emuva eceleni kwalutho, yakha i-shrinkage.

Iphoyinti 3: Yiziphi izimo zokukhishwa ezibangela ukushwabana kwe-extruder:

1

2. I-gasket ye-extrusion inamafutha noma ingcolile

3. Ingaphezulu le-Ingot noma uboya abuhlanzekile

4. Ubude be-cut-off of the umkhiqizo awuhambisani nemigomo

I-5

I-6. Ijubane lokukhishwa liyanda ngokungazelelwe.

I-Point 4: Izindlela zokuqeda i-shrinkage eyakhiwe ngemishini yokukhishwa kwe-aluminium kanye nezinyathelo zokunciphisa nokuvimbela ukwakheka kweShrinkage:

1 Khetha ubude obufanelekile bezinto ezisele.

2

3

I-4. Ukukhishwa okubushelelezi, ijubane lokukhishwa kwehlisiwe kufanele yehliswe kancane esigabeni sokukhishwa kwesikhathi esizayo, futhi ubukhulu obusele kufanele bushiywe ngokufanele, noma indlela yokukhulisa ukwandisa izinto ezisele kufanele zisetshenziswe.

I-Point 5: Ukuze ususe ngempumelelo into ye-shrinkage ngesikhathi sokukhiqizwa kwemishini yokukhishwa kwephrofayili ye-aluminium, ubukhulu obukhulu be-extred futhi kudingeka banake. Lokhu okulandelayo kuyindinganiso yesethenjwa ngobukhulu obudlulile:

Ukukhishwa kwe-extruder tonnage (t) ubukhulu bokukhishwa (mm)

800t ≥15mm 800-1000t ≥18mm

1200t ≥20mm 1600t ≥25mm

2500t ≥30mm 4000t ≥45mm

Kuhlelwe ngoMeyi Jiang kusuka ku-Mat Aluminium