Ruzivo Rwekutanga rweKugadzira Matombo uye Kukuya Technology

Kukuya inzira yekucheka workpiece paguyo ine vhiri rekukuya semudziyo wekucheka.
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Maitiro eiyi nzira ndeaya anotevera:
1. Pamusana pekuoma kwepamusoro uye kupisa kupisa kwekukuya mabrasives ekukuya, kukuya kunogona kugadzirisa zvinhu nekuoma kwakanyanya, zvakadai sesimbi yakaoma, simenti carbide, nezvimwewo.
2. Hunhu hwekukuya vhiri uye muchina wekukuya unoona kuti nzira yekukuya inogona kushandiswa seyunifomu micro-kucheka, kazhinji ap=0.001 ~ 0.005mm;kumhanya kwekugaya kwakakwira zvakanyanya, kazhinji kusvika v=30 ~ 50m/s;muchina wekukuya une kuoma kwakanaka;iyo hydraulic transmission inoshandiswa, saka kugaya kunogona kuwana yakakwirira yekugadzirisa kurongeka (IT6 ~ IT5) uye diki pasi roughness (Ra = 0.8 ~ 0.2um).Kukuya ndiyo imwe yenzira huru dzekugadzirisa zvikamu.
3. Kupisa munzvimbo yekukuya kwakakwirira zvikuru nekuda kwekukakavadzana kwakanyanya.Izvi zvinokonzeresa kushushikana uye deformation yeworkpiece, uye kunyange kukonzera kupisa kwepamusoro kweiyo workpiece.Naizvozvo, huwandu hukuru hwekutonhodza hunofanirwa kubaiwa mukukuya kudzikisa tembiricha yekukuya.Inotonhorera inoitawo sekubvisa chip nekuzora
4. Simba remagetsi panguva yekugaya yakakura kwazvo.Izvi zvichaita kuti elastic concession yemuchina wekushandisa-kugaya vhiri-workpiece system, kuitira kuti kudzika chaiko kwekucheka kushoma pane kudzika kwezita.Naizvozvo, kana kukuya kwava kuda kupera, mucheki haafaniri kudzimwa kubvisa zvikanganiso.
5. Mushure mokunge kuputika kweabrasive kusinganzwisisi, simba rekukuya rinowedzerawo, izvo zvinoita kuti zvimedu zvinoputika zviputse kana kudonha uye zvinobudisa pachena muganhu wakapinza.Hunhu uhu hunova "kuzvirodza".Kuzvipinza kunoita kuti basa rekukuya rinowanzoshanda mune imwe nguva yenguva, asi mushure meimwe nguva yekushanda, inofanira kugadziriswa nemaoko kuti irege kuzununguka, ruzha uye kukanganisa kwepamusoro pehutano hwebasa rinokonzerwa nekuwedzera kwesimba rekukuya.

Kukuya vhiri
Kukuya vhiri chombo chekucheka pakukuya.Inosanganisira akawanda madiki uye akaoma abrasives uye mabhainda, ayo anogadzirwa nezvinhu zvakawanda zvisina mhango.Abrasive particles anotakura zvakananga basa rekucheka, inofanira kunge yakapinza uye ine kuoma kwakanyanya, kupisa kupisa uye imwe chiyero chekuoma.Mabrasives anowanzo shandiswa ndeye alumina (inozivikanwawo se corundum) uye silicon carbide.

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Alumina

Alumina Abrasives ane kuoma kwakakwirira, kusimba kwakanaka uye akakodzera kukuya simbi.Silicon carbide abrasives ane kuomarara kwepamusoro, kupinza uye zvirinani kupisa kwemafuta, asi ari brittle uye akakodzera kukuya simbi yakakandwa uye simende carbide.

Iyo yakafanana abrasive grinding vhiri, nekuda kwehupamhi hwayo hwakasiyana, iyo roughness yepasi uye kugadzirisa kushanda kweiyo workpiece mushure mekugadziriswa kwakasiyana.Iyo coarse abrasive inoshandiswa pakukuya rough.Iyo yakanyanya kunaka iyo abrasive ndeye, iyo yakakora iyo abrasive idiki, diki saizi yechikamu.
Mabhainda anoita semabonding abrasives.

Ceramic binder inowanzoshandiswa, inoteverwa neresin binder.Kusarudzwa kwakasiyana kwebinder kunokanganisa kushorwa kwecorrosion, simba, kupisa kupisa uye kuoma kwekukuya vhiri.
Iyo yakanyanya kuoma chisungo chinoputika, chinowedzera kudonha kubva pagumbo rekukuya.Kureva kuti kuoma kwegumbo rekukuya (grinding vhiri) zvinoreva mwero wekuti zvimedu zveabrasive zviri pamusoro pegumbo rinodonha pasi pekuita kwemasimba ekunze.Kudonha kuri nyore kunonzi kupfava, uye zvakasiyana kunonzi kwakaoma.

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Kuoma kwekukuya vhiri uye abrasive pfungwa mbiri dzakasiyana.Iyo pamusoro peiyo grind workpiece yakapfava, uye kumucheto (kumucheto) kweabrasive particles hakusi nyore kupfeka, kuitira kuti zvimedu zvinoputika zvinogona kushandiswa kwenguva yakareba, kureva kuti, gumbo rinokuya rine simba rekubatanidza ( vhiri rekukuya nekuoma kwepamusoro) inogona kusarudzwa.Pane zvinopesana, gumbo rekukuya nekuoma kwakaderera rakakodzera kukuya workpiece nekuoma kwepamusoro.

Kuti uve nechokwadi chekuchengeteka, mavhiri ekukuya anofanira kuongororwa asati aiswa, uye hapafaniri kuva nekutsemuka uye humwe hurema.Kuti uite kuti mavhiri ekukuya ashande zvakanaka, dynamic balance test inofanira kuitwa isati yashandiswa.
Apo gumbo rekukuya rinoshanda kweimwe nguva, nzvimbo dzepamusoro dzichavharwa nemarara, kona yakapinza yeabrasive ichave isina kujeka, uye chimiro chepakutanga chejometri chichave chakakanganiswa.Naizvozvo, zvinodikanwa kucheka kudzoreredza kugona kwekucheka uye kugadzirisa geometry.Gumbo rekukuya rinoda kuchekwa nepeni yedhaimondi.
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Chimiro uye Kukuya Motion yeSurface Kukuya Machine
Kune marudzi mazhinji ezviguyo, senge paguyo, cylindrical grinder, grinder yemukati, universal cylindrical grinder (inogonawo kukuya maburi emukati), giya rekukuya, shinda yeguyo, giraidhi njanji, grinder isina centre (kukuya denderedzwa rekunze) uye giya rekushandisa ( kugaya chombo).Iyo yekukuya pamusoro uye kufamba kwayo kunounzwa pano.

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1. Chimiro chepamusoro peguyo (kutora M7120A semuenzaniso: M-grinder type machine tool; 71-horizontal axis moment table type surface grinder; 20-working table width 200 mm; A-yekutanga kuvandudzwa kukuru).
(1) Kukuya vhiri rack - Isa vhiri rekukuya uye tyaira vhiri kuti ritenderere nekumhanya kukuru.Iyo yekukuya vhiri rack inogona kufamba ichitevedza dovetail gwara njanji yechigaro chinotsvedza nemaoko kana hydraulically mu transverse clearance.
(2) Slide chigaro - isa grinding wheel rack uye dhiraivha vhiri reki kuti ufambe uchikwira nekudzika uchitevedza column guide njanji.
(3) Column - inotsigira chigaro chinotsvedza uye kugaya vhiri furemu.
(4) Workbench - Kuiswa kweworkpiece uye kudzokorora mutsara kufamba kunofambiswa ne hydraulic system.
(5) Mubhedha - kutsigira worktable uye nekuisa zvimwe zvikamu.
(6) Inotonhorera sisitimu - inopa inotonhorera (saponified mafuta) kunzvimbo yekukuya.
(7) Hydraulic transmission system, iyo inosanganisira:
1) Zvikamu zvemagetsi - pombi dzemafuta, hydraulic transmission system pressure oil supply;
2) Actuator - humburumbira, kutyaira kufamba worktable uye zvimwe zvinoriumba;
3) Kudzora zvinhu - kune ese marudzi emavharuvhu, kudzora kudzvanywa, kumhanya, kutungamira, nezvimwe.
4) Zvinhu zvinobatsira, senge tangi yemafuta, gauge yekumanikidza, nezvimwe.
Kuenzaniswa nemuchina kutapurirana, hydraulic transmission ine zvakanakira kutapurirana kwakatsetseka, kuchengetedzwa kwekuremerwa uye nhanho yekumhanya nhanho mumhando dzakasiyana.
2. Ndege inokuya kufamba
(1) Main motion - high-speed inotenderera inofamba yekukuya vhiri.
(2) Kufambisa kwekudya
1) Longitudinal feed - iyo worktable inotyaira iyo inodzokorodza mutsara mafambiro eiyo workpiece;
2) Vertical feed - kufamba kwekukuya vhiri kusvika pakadzika kweworkpiece;
3) Transverse feed-clearance movement yekukuya vhiri pamwe chete neaxis yayo.


Nguva yekutumira: May-23-2019

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