Nhọrọ nke ihe nkedo na abrasive nwere njikọ chiri anya. Dịka ọmụmaatụ, iji CBN n'ozuzu na-achọ ka wheel egweri mee ka ọdịdị ya ghara ịgbanwe mgbe a na-eji ya eme ihe ma ghara iwepụ ya na ngwa igwe ruo mgbe a ga-erepịa ya kpamkpam. Dị ka thermal conductivity nke CBN dị ezigbo mma, ọ na-aka mma iji metal bond. Ngwakọta nke abụọ na-enye ọnọdụ maka ịkpụ oyi. N'ihi na ịcha okpomọkụ na-ebunye site abrasive naegweriwheel, wee buru pụọ na coolant, ọ bụ nnọọ ngwa ngwa karịa abanye workpiece.
E nwere ụdị abụọ nke njikọ metal: electroplating na sintering.Electroplated egweriA naghị edozi wiil ndị ahụ, a na-eme ha ka ọ bụrụ ọdịdị ziri ezi na mmalite ma jiri ya ruo mgbe ike gwụrụ ha. A na-ejikarị ọkụ eletrik na-akpụcha wiil ndị e ji ígwè egweri egweri, wee tinyezie ya na ngwá ọrụ igwe dị ka wiil egweri eletrọl. Ngwunye radial nke sintered na electroplated wiil egweri arụnyere na spindle ga-erughị 0.0125mm. N'ihi na metal bonded wiil egweri, ọ dị ezigbo mkpa iji belata spindle runout.
N'ihi na anya nke ọka abrasive na-esi na njikọ ahụ dị ntakịrị, ma ọ bụrụ na runout ruru 0.025mm, otu njedebe nkeegweriwheel ga-ebufe ibu, na-eme ka oke iyi, na nsọtụ nke ọzọ ga-adị mfe ibu na-adị nkọ. Ụfọdụ wiil egweri eletrọnịkị nwere ike imepụta radius contour arc dị obere (ihe dịka 0.125mm). Otú ọ dị, radius arc nke ọtụtụ wiil ndị na-egweri electroplated karịrị 0.5mm. N'ozuzu, a na-eji wiil ndị na-egweri electroplated eme ihe na-agba ọsọ ọsọ ọsọ, ebe igwe igwe na-egweri ígwè na-adaba adaba maka ịkwanye ihe seramiiki.
Monolithic metal jikọtaraegweri wheelnwere obere nsonazụ nke mgbanwe na vibration, runout, coolant eruba na ndị ọzọ na-arụ ọrụ ọnọdụ. Ọ bụrụ na ihe siri ike nke grinder, workpiece na fixture adịghị mma, ma ọ bụ na-ebu ngwá ọrụ ochie ahụ adịghị mma, ọ dịghịkwa ihe ọ bụla na-edozi ihe na ngwá ọrụ igwe, iji electroplated egweri wheel n'okpuru ọnọdụ a ga-eduga. nsogbu na ndụ ọrụ nke egweri wheel, workpiece imecha na elu udidi. Dị ka vibration na nkwụsi ike nke igwe ngwá ọrụ na ndị ọzọ kpọmkwem ọnọdụ, ọ na-adị mma mgbe ụfọdụ iji resin bonded egweri wiil.
Njikọ resin nwere ikike mbelata nke ọma na ịma jijiji. N'ezie, akụrụngwa na oge na-etinye aka na mgbazi na mgbakwasa nke wiil ndị na-egweri resin bonded ga-abawanye ọnụ ahịa. A na-ejikarị eriri seramiiki eme ihe. N'ihi na wiil egweri nke jikọtara ọnụ nwere oghere, mmiri mmiri na-egbutu nwere ike ịbanye na arc na-egweri nke ọma, ma enwere nnukwu oghere iji jide irighiri ihe. N'otu oge ahụ, a na-enwe ike ịkpụcha wheel wheel na-ejikọta seramiiki n'ụzọ dị mfe n'ụdị ziri ezi ma mee ka ọ dị nkọ site na iji ngwaọrụ diamond.
Oge nzipu: Jan-16-2023