Valve sealing surface wear, ka esi arụkwa valvụ mmiri mgbali ule mma ọrụ usoro

Valve sealing surface wear, ka esi arụkwa valvụ mmiri mgbali ule mma ọrụ usoro

Mgbe ejiri ogologo valvụ ahụ mee ihe ogologo oge, a ga-eyi ihe mkpuchi nke diski na oche ma na-ebelata ike. Ịkwado elu mkpuchi mkpuchi bụ nnukwu ọrụ dị mkpa. Ụzọ bụ isi nke nrụzi bụ egweri. N'ihi na nke ukwuu eyi akara n'elu, ọ na-akpa n'elu mgbe tụgharịa nhazi na mgbe egweri. Ngwunye valvụ gụnyere: ihicha na usoro nyocha; Usoro egweri
Mgbe ejiri ogologo valvụ ahụ mee ihe ogologo oge, a ga-eyi ihe mkpuchi nke diski na oche ma na-ebelata ike. Ịkwado elu mkpuchi mkpuchi bụ nnukwu ọrụ dị mkpa. Ụzọ bụ isi nke nrụzi bụ egweri. N'ihi na nke ukwuu eyi akara n'elu, ọ na-akpa n'elu mgbe tụgharịa nhazi na mgbe egweri.
Echicha valves gụnyere:
Usoro nhicha na nyocha;
Usoro egweri;
Usoro nyocha.
Usoro nhicha na nyocha
Nhicha mkpuchi mkpuchi n'ime ite mmanụ, jiri onye na-ehicha ihe ọkachamara, saa mgbe ị na-elele mmebi nke elu mkpuchi. Enwere ike ime mgbawa microscopic nke siri ike ikpebi site na anya gba ọtọ site na nchọpụta tint.
Mgbe ihichachara, diski ma ọ bụ valvụ ọnụ ụzọ ámá kwesịrị ịlele maka njigide nke mkpuchi mkpuchi nke oche, na-eji uhie na pensụl mgbe ị na-elele. Jiri ụzọ na-acha uhie uhie nwalee ọbara ọbara, lelee ebe a na-emechi ihe, chọpụta ebe a na-emechi ihe nkedo ahụ; Ma ọ bụ na pensụl na valvụ diski na oche akara n'elu ise a ole na ole concentric okirikiri, na mgbe ahụ valvụ diski na oche nso adiana, lelee pensụl okirikiri ehichapụ, chọpụta akara akara nso.
Ọ bụrụ na akara ahụ adịghị mma, DISC ma ọ bụ ọnụ ụzọ ámá akara ihu na valvụ ahụ akara akara nwere ike inyocha site ọkọlọtọ efere iji chọpụta saịtị egweri.
Usoro egweri
Usoro egweri bụ n'ezie usoro ịkpụ nke lathe, olulu ma ọ bụ oghere dị na valvụ isi ma ọ bụ oche na-adịkarị n'ime 0.5mm, a pụkwara iji usoro egweri mee ihe maka mmezi. A na-ekewa usoro egweri ka ọ bụrụ ihe na-esighị ike, ihe na-edozi ahụ na nke ọma.
Ngwunye siri ike bụ ikpochapụ abrasion, indentation, corrosion point na ntụpọ ndị ọzọ n'elu akara akara, nke mere na akara akara ahụ nwere ike nweta ọkwa dị elu na ọkwa ụfọdụ nke imecha, ma tọọ ntọala maka ịkwanye elu nke akara.
Igwe ihe na-egweri na-eji isi ma ọ bụ ihe ndị na-egweri oche, iji akwụkwọ ájá ájá ma ọ bụ mpempe akwụkwọ na-egbuke egbuke, nha nke 80#-280 #, oke nha nha, nnukwu ọnụ ahịa, oke arụmọrụ, ma ịcha ọka dị omimi karị, akara akara. elu elu dị ike. Ya mere, keadighi rarii egweri ka ogologo dị ka ewepụghị valvụ isi ma ọ bụ oche pitting.
Egweri nke etiti bụ ikpochapụ ọka siri ike dị n'elu akara ma mee ka ọ dịkwuo larịị na imecha nke elu akara. Iji akwụkwọ aja dị mma ma ọ bụ mmado abrasive dị mma, nha nha ya bụ 280 #-W5, nha nha nha dị mma, obere mbelata, na-eme ka ọ dị mma iji belata ihe siri ike; N'otu oge ahụ, a ga-edochi ngwá ọrụ egweri kwekọrọ, na ngwá ọrụ egweri kwesịrị ịdị ọcha.
Mgbe egwerichara, ụgbọelu kọntaktị nke valvụ ahụ kwesịrị ịdị na-egbuke egbuke. Ọ bụrụ na ị na-eji pensụl see ole na ole ahịrị na valvụ isi ma ọ bụ oche, tụgharịa valvụ isi ma ọ bụ oche na ìhè okirikiri, pensụl akara kwesịrị ihichapụ.
Ichicha nke ọma bụ usoro egweri valvụ, tumadi iji kwalite njedebe elu akara. Enwere ike iji ihe na-egweri dị mma na W5 ma ọ bụ obere micro fraction diluted na mmanụ, kerosene na ihe ndị ọzọ, na isi valvụ megide oche valvụ maka egweri, na-enweghị ihe nkiri, nke na-eme ka ọ dịkwuo mma na mkpuchi mkpuchi nke nso.
N'ozuzu mgbe tụgharịa elekere gburugburu 60-100 Celsius, banyere 40-90 Celsius na-atụgharị na-abụghị direction ọzọ, nwayọọ maka oge, ị ga-elele otu ugboro, nọrọ na-egbuke egbuke na-egbuke egbuke, na na valvụ isi na valvụ oche nwere ike ịhụ a nke ukwuu. ahịrị dị mma, agba ka oji ojii, jiri nwayọ were igwe igwe mmanụ ọzọ ọtụtụ oge, jiri akwa dị ọcha hichaa mkpọ dị ọcha.
Mgbe egweri, wee kpochapụ ntụpọ ndị ọzọ, ya bụ, ekwesịrị ikpokọta ngwa ngwa o kwere omume, ka ọ ghara imebi isi valvụ na-egweri nke ọma.
Akwụkwọ ntuziaka egweri ma keadighi rarii ma ọ bụ mma, na-mgbe niile site na-ebuli, na-etinye ala; Ntughari, ntughari; Usoro egweri nke na-ejikọta ịkụ aka, ntụgharị na ọrụ ndị ọzọ. Ebumnuche bụ iji zere ugboro ugboro nke egwu abrasive, mee ka ngwá ọrụ egweri na elu akara bụrụ ihe egweri otu, ma melite ịdị larịị na imecha nke elu akara.
Ogbo nyocha
Na usoro egweri, usoro nyocha na-aga n'ihu mgbe niile, ebumnuche ya bụ ịghọta ọnọdụ egweri n'oge ọ bụla, mara, mee ka ịdị mma na-egweri zute teknụzụ chọrọ. Okwesiri iburu n'uche na a ga-eji valvụ dị iche iche na-egweri ihe iji mee mgbanwe n'ụdị dị iche iche na-ekpuchi elu nke ngwaọrụ egweri, iji mee ka ọ dị mma nke ọma ma hụ na ọ dị mma.
Valve egweri bụ ọrụ zuru ezu nke ukwuu, ọ dị mkpa inwe ahụmahụ, nyocha, melite omume, mgbe ụfọdụ na-egweri nke ọma, ma mgbe echichi ma ọ bụ ntapu mmiri na-agbapụta, nke a bụ n'ihi na n'ime usoro nsị, e nwere echiche ntụgharị uche, mkpịsị aka aka bụ mkpanaka. abụghị vetikal, skew, ma ọ bụ egweri ngwá ọrụ nha Angle deviation.
N'ihi na onye na-emepụta ihe bụ ngwakọta nke mmiri na-ekpo ọkụ na nke na-ekpo ọkụ, na mmiri mmiri na-ekpo ọkụ bụ mmanụ ọkụ na mmanụ n'ozuzu. Ya mere, nhọrọ ziri ezi nke abrasive agents ** isi njikọ bụ nhọrọ ziri ezi nke abrasive.
Kedu ka esi ahọrọ abrasive valve nke ọma?
Aluminom oxide (>
Silicon carbide (SiC) Silicon carbide bụ akwụkwọ ndụ akwụkwọ ndụ na oji, ike ya dị elu karịa alumina. Green silicon carbide kwesịrị ekwesị maka egweri siri ike alloy; A na-eji carbide silicon oji eme ihe na-egweri ihe na-agbaji agbaji na ihe dị nro, dị ka nkedo ígwè, brass, wdg.
Boron carbide (B4C) siri ike dị ala na ntụ ntụ diamond ma sie ike karịa silicon carbide, nke a na-ejikarị dochie diamond ntụ ntụ na-egweri alloy siri ike, na-egweri elu chrome-plated siri ike.
Chromium oxide (Cr2O3) chromium oxide bụ isi ike dị elu yana ezigbo abrasive, a na-ejikarị ígwè emenyụ emecha chromium oxide, nke a na-ejikarị emecha ihe.
Ígwè oxide (Fe2O3) ígwè oxide bụkwa ezigbo valvụ abrasive, ma ike ike na egweri mmetụta dị njọ karịa chromium oxide, otu ojiji na chromium oxide.
Diamond ntụ ntụ The crystallization 磮 C, ọ bụ a * * siri ike abrasive, ịcha arụmọrụ dị mma, karịsịa adabara egweri siri ike alloy.
Ke adianade do, na abrasive urughuru size (abrasive urughuru size) nwere a *** mmetụta na egweri arụmọrụ na elu roughness. Ngwunye na-adịghị mma, valvụ workpiece n'elu roughness chọrọ adịghị elu, iji melite arụmọrụ egweri kwesịrị ịhọrọ abrasive na-adịghị mma; Mgbe agwụchara, ndị egweri ohere bụ obere, chọrọ workpiece n'elu roughness dị elu, na ezi-grained abrasive ike ga-eji.
Akara n'elu keadighi rarii-egweri abrasive urughuru nha bụ n'ozuzu 120 # ~ 240 #; Nkenkenke bụ W40 ~ 14.
valvụ ahụ na-agbanwe ihe abrasive, na-emekarị site n'ịgbakwunye kerosene na mmanụ moto ozugbo na abrasive. Abrasives kwadebere na 1/3 kerosene gbakwunyere mmanụ 2/3 na abrasive kwesịrị ekwesị maka egweri na-enweghị isi; Abrasives mere nke 2/3 kerosene tinyere 1/3 mmanụ na abrasive nwere ike iji mechaa.
Mgbe ị na-egweri workpiece na ike siri ike, mmetụta nke iji ihe abrasive adịghị mma. N'oge a, mmanu abuba nke nwere ike iji abrass 3 gbakwunye ọkụ iji dozie ọnụ ịrị elu, kpụrụ tapawa MGBE ajụchara, tinye ụfọdụ kerosene nke ọma mgbe ị na-eji ma ọ bụ mmanụ ụgbọala iji dozie ọbụna.
Nhọrọ nke egweri ngwá ọrụ
Valve diski na valvụ oche akara elu n'ihi ogo dị iche iche nke mmebi, enweghị ike ịmụ ya ozugbo, mana site na ọnụ ọgụgụ ụfọdụ na nkọwapụta nke diski valvụ ụgha (ya bụ isi igwe), oche valvụ ụgha (ya bụ oche egweri) n'otu n'otu na valvụ ahụ. oche, valvụ diski egweri.
A ga-eji ígwè kabọn nkịtị ma ọ bụ igwe akpụkpọ anụ mee isi na oche egweri ma ga-abụ otu nha na akụkụ dịka diski na oche edobere na valvụ ahụ.
Ọ bụrụ na a na-eji aka na-egweri egweri, a na-achọ ihe dị iche iche egweri. Ekwesịrị ịchịkọta mkpanaka na-egweri ihe na-egweri nke ọma ma ghara ịbụ nke skeed. Iji belata ike ọrụ ma mee ngwa ngwa ngwa ngwa, a na-ejikarị igwe igwe eletrik ma ọ bụ igwe na-egweri vibration eme ihe.
Omume nchekwa maka ule hydraulic nke valves
1. A naghị ekwe ka valvụ ezigara n'ime ule hydraulic ka ọ nwee mgbawa, pores, dents, valve stem mmezi adịghị ekwe ka ọ bụrụ ihe rapaara.
2. A ghaghị gbakọọ bolts na mkpụrụ akụ ejiri mee ihe maka ike na akara iji gbochie mgbagwoju anya.
3. The ule workpiece ga- fasted na ngwaọrụ na-ekwe ka-etinye n'efu. Haofm.com.q2G B V5vJ
4. Ihe mgbochi rọba ma ọ bụ ihe nrịbama ndị ọzọ a na-eji maka nnwale ekwesịghị ịbụ nke na-ada ụda, akwa akwa, na-adịghị mma, ma ọ bụ na-efunahụ ike.
5. Mee ule nrụgide dị ka iwu usoro ngwaahịa. Mgbe nrụgide na-ebuli elu n'elu nrụgide na-arụ ọrụ, a naghị ekwe ka ọ gbanwee nut, kpoo ngwaọrụ na akụkụ ndị ọzọ na mpaghara ahụ.
6. Ihe mkpuchi njedebe ga-emezu ihe achọrọ nke akwụkwọ nkà na ụzụ ma gafere ule ahụ tupu e nwee ike iji ya. Mgbe nrụgide ule gafere 25% nke nrụgide gbakọrọ, anabataghị iji ya.