No. 4 Pari

No.. 4 Pari jẹ ẹya nipasẹ kukuru, awọn laini didan ti o jọra, eyiti o fa ni iṣọkan ni gigun ti okun. O ti wa ni gba nipa mechanically polishing a No.. 3 pari pẹlu maa finer abrasives. Da lori awọn ibeere ti ohun elo, ipari ipari le wa nibikibi laarin 120 ati 320 grit. Awọn nọmba grit ti o ga julọ gbe awọn laini didan ti o dara julọ ati awọn ipari didan diẹ sii. Awọn dada roughness ni ojo melo Ra 25 bulọọgi-inches tabi kere si. Ipari idi gbogbogbo yii jẹ lilo pupọ fun ounjẹ ati ohun elo ibi idana ounjẹ, awọn ile itaja ati ṣiṣe ounjẹ ati ohun elo ifunwara. Ti o ba ti a fabricator nilo lati parapo ni welds tabi ṣe miiran refinishing, Abajade polishing ila ni o wa maa gun ju lori ọja didan nipa a nse tabi kii-polishing ile.

Awọn ohun elo

Awọn ohun elo, Awọn panẹli ogiri ti ayaworan, Ohun elo ohun mimu, Awọn ohun elo ọkọ oju omi, Awọn ibi aabo ọkọ akero, Awọn yara mimọ, Awọn ideri ọwọn, ohun elo ifunwara, Awọn ilẹkun elevator ati awọn inu, gige escalator, Ohun elo ṣiṣe ounjẹ, Awọn tirela ojò Opopona Furniture, Awọn ipele ile-iwosan ati ohun elo, Ohun elo tabi awọn panẹli iṣakoso , Ohun elo idana, Ohun elo mimu ẹru, Ohun elo gbigbe lọpọlọpọ, Ohun elo ounjẹ, Awọn iwẹ, Sterilizers, Awọn ibi itaja, Awọn orisun omi