Whatdressingisusedforcbngrinding wheel？Severalcommondressingmethods ofcbngrindingwheel
TherearemanyshapingmethodsforCBNgrindingwheel,including turningshaping,rollingshaping,grindingshaping,electricmachining shaping,etc.Inrecentyears,lasershapinghasappeared.
Turningandshapingmethod:
Turningmethodistousesingleparticlediamondpen,powder metallurgydiamondpenordiamonddressingsheetandothershaping toolstoturnthegrindingwheeltoachievethepurposeofshaping.
Rollshaping
Rollingshapingmethodistousetherelativerollingfracturingbinder bridgebetweentherotatinggrindingwheelandtherollingwheelto maketheabrasivesurfacecollapseandappearmicroedges.Theroller canbemadeofhardalloyorhardenedsteel.Rollingshapingmethodis characterizedbyhighdressingpressure,lowdressingefficiencyand dressingprecision,deepsurfacedamagelayer,lowcuttingedgedensity, sharpabrasiveparticles,easytowearbutnoteasytoplug.Inorderto reducerollingpressureandincreaserollingstability,achuteorspiral groovecanbeopenedonthesurfaceoftherollingwheel.Inorderto avoidperiodiccorrugationsonthesurfaceofgrindingwheel,itis necessarytocontrolthecoaxialityofabrasivewheelshaftandroller wheelshaft.
Grindingandshaping
Grindingandshapingmethodistouseordinaryabrasivegrindingwheel, diamondgrindingwheel,diamondrollerandCBNgrindingwheelfor grindingandshaping,oruseCBNgrindingwheelforshapinglowcarbon
steel. Electromachiningshaping
Electromachiningshapingmethodcanonlybeusedformetalbonded grindingwheel,mainlyincludingelectrolysismethod,electricdischarge method,etc.Electrolysisisrelativelydifficulttouseinshaping.
Theelectrosparkshapingmethodistousetheelectriccorrosion phenomenonofpulsesparkdischargebetweentherotatinggrinding wheelandthetoolelectrodetoerodethemetalbondonthesurfaceof thegrindingwheelsoastoachievethepurposeofshapingand sharpening.IntheprocessofEDMshaping,theEDMdischargepulse generatedbetweenthegrindingwheelandthetoolelectrodeforms dischargepitsonthesurfaceofthegrindingwheel.Intheprocessof repeateddischarge,thedischargepitsoverlapeachotherandgradually
trimthegrindingwheeltotherequiredshape.Edmdressingis characterizedbysmallmachiningforceandissuitablefordressingof smalldiameterandverythingrindingwheelIfitisequippedwithhigh precisionelectrodeandreasonabledischargeparameters,itis convenienttorealizefastandhighprecisionshapingofformedgrinding wheel.
Accordingtodifferentprocessingrequirements,ZhengzhouHalnn Superhardproducesdifferentcbngrindingwheeldressingtoolsand diamondrollerdressingtools,andtailorsacompleteoveralltool processingschemeforcustomers.Itistheleadingenterpriseof superhardmaterialsinChina