Nhau dzekambani

Kupukuta nzira yepurasitiki mold

Mechanical polishing

Mechanical polishing inzira yekupukuta inotsamira pakucheka uye nepurasitiki deformation yechinhu chepamusoro kubvisa zvikamu zvakakwenenzverwa zveconvex kuti uwane nzvimbo yakatsetseka. Kazhinji, matanda ematombo emafuta, mavhiri emvere dzemakwai, sandpaper, nezvimwewo zvinoshandiswa, uye mashandiro emawoko ndiyo nzira huru. Zvikamu zvakakosha zvakadai sepamusoro pemuviri unotenderera zvinogona kushandiswa. Uchishandisa maturusi ekubatsira akadai sematurntable, kukwenenzvera kwepamusoro-soro kunogona kushandiswa kune avo vane zvinodiwa zvemhando yepamusoro. Ultra-precision polishing ndiko kushandiswa kweakakosha maturusi abrasive, ayo anotsikirirwa zvakasimba panzvimbo yakagadziriswa yeworkpiece mune yekukwenenzvera fluid ine abrasives yekumhanyisa-kutenderera kutenderera. Uchishandisa tekinoroji iyi, kushata kwepamusoro kweRa0.008μm kunogona kuwanikwa, inova ndiyo yepamusoro-soro pakati penzira dzakasiyana dzekupolisha. Optical lens molds anowanzo shandisa nzira iyi.

Kemikari polishing

Kemikari polishing ndeyekuita iyo yepamusoro microscopic convex chikamu chechinhu chiri mumakemikari yepakati nyungudika zviri nani pane iyo concave chikamu, kuitira kuti iwane nzvimbo yakatsetseka. Kubatsira kukuru kweiyi nzira ndeyekuti haidi midziyo yakaoma, inogona kupurudzira maworkpieces ane maumbirwo akaomarara, uye inogona kupurudzira akawanda maworkpiece panguva imwe chete, nehunyanzvi hwepamusoro. Dambudziko guru rekupenya kwemakemikari ndiko kugadzirira kwemvura inopenya. Iko kushata kwepamusoro kunowanikwa nekemikari polishing kazhinji yakawanda 10 μm.

Electrolytic polishing

Nheyo yekutanga yekukwenenzverwa kwemagetsi yakafanana neyekupenya kwemakemikari, ndiko kuti, nekusarudza kunyungudutsa tudiki diki pamusoro pechinhu kuti chitarisiko chiite sechinyakare. Kuenzaniswa nemakemikari polishing, mhedzisiro ye cathode reaction inogona kubviswa, uye mhedzisiro yacho iri nani. Electrochemical polishing process yakakamurwa kuita nhanho mbiri: (1) Macroscopic leveling Zvigadzirwa zvakanyungudutswa zvinopararira mu electrolyte, uye kushata kwegeometric kwenzvimbo inodzikira, Ra> 1μm. ⑵ Kudzika-chiedza kuyera: Anode polarization, kupenya kwepamusoro kunovandudzwa, Ra <1μm.

Ultrasonic polishing

Isa iyo workpiece mu abrasive suspension uye uiise pamwe chete mumunda we ultrasonic, uchivimba neoscillation effect ye ultrasonic, kuitira kuti abrasive ivhu uye yakasvibiswa pamusoro pebasa rekushanda. Ultrasonic machining ine diki macroscopic simba uye haizokonzeri deformation yeworkpiece, asi zvakaoma kugadzira uye kuisa tooling. Ultrasonic processing inogona kusanganiswa nemakemikari kana electrochemical nzira. Pachikonzero chekugadzirisa corrosion uye electrolysis, ultrasonic vibration inoshandiswa kumutsa mhinduro, kuitira kuti zvigadzirwa zvakanyungudutswa pamusoro pebasa rekushanda zvakaparadzana, uye gorosi kana electrolyte pedyo nepamusoro yunifomu; iyo cavitation mhedzisiro ye ultrasonic mumvura inogona zvakare kuvharidzira iyo corrosion process uye kufambisa kupenya kwepamusoro.

Fluid polishing

Fluid polishing inotsamira pamvura inomhanya-mhanya uye zvimedu zvinoputika zvinotakurwa nazvo kuti zvigeze pamusoro pechishandiso kuti chizadzise chinangwa chekupukuta. Nzira dzinowanzoshandiswa ndeidzi: abrasive jet processing, liquid jet processing, hydrodynamic grinding uye zvichingodaro. Kukuya kweHydrodynamic kunofambiswa ne hydraulic pressure kuita kuti mvura yepakati inotakura abrasive particles iyerere ichidzoka nekudzoka nepamusoro penzvimbo yeworkpiece nekumhanya kukuru. Iyo yepakati inonyanya kugadzirwa neakakosha makomisheni (polymer-senge zvinhu) ine yakanaka kuyerera pasi pekudzvinyirira kwakaderera uye yakasanganiswa neabrasives. Iwo mabrasives anogona kugadzirwa nesilicon carbide poda.

Magnetic kugaya uye kukwenenzvera

Magnetic abrasive polishing ndeye kushandisa magineti abrasives kuumba mabhurashi abrasive pasi pechiito chemagnetic field kukuya workpiece. Iyi nzira ine hukuru hwekugadzirisa, hutano hwakanaka, kudzora nyore kwekugadzirisa mamiriro uye mamiriro ekushanda akanaka. Uchishandisa mabrasives akakodzera, kushata kwepamusoro kunogona kusvika kuRa0.1μm. 2 Mechanical polishing yakavakirwa panzira iyi Kukwenenzverwa kunotaurwa mukugadzira molds epurasitiki kwakasiyana zvakanyanya nekupenya kwepamusoro kunodiwa mune mamwe maindasitiri. Kunyatsotaura, kupenya kwe mold kunofanirwa kunzi girazi kugadzirisa. Haisi chete ine zvinodiwa zvakakwirira zvekuzviputira pachayo, asiwo ine yakakwirira miitiro yepasi flatness, kutsvedzerera uye geometric kunyatsoita. Kupenya kwepamusoro kazhinji kunongoda nzvimbo yakapenya. Chiyero chegirazi pamusoro pekugadzirisa chakakamurwa kuita nhanho ina: AO=Ra0.008μm, A1=Ra0.016μm, A3=Ra0.032μm, A4=Ra0.063μm. Zvakaoma kunyatso kudzora kurongeka kwejometri yezvikamu nekuda kwenzira dzakadai se electrolytic polishing uye fluid polishing. Nekudaro, iyo yepamusoro yemhando yemakemikari polishing, ultrasonic polishing, magineti abrasive polishing uye dzimwe nzira hadzisi kusvika kune zvinodiwa, saka iyo girazi kugadzirisa kweiyo chaiyo molds ichiri kunyanya mechanical polishing.