1. Ke Hobane'ng ha ho Hlokahala Mochini oa Ho Holisa
Lihlahla tse nepahetsengli sebelisoa tsamaisong ea mechine hotataisa, tshehetso, kapa thulanya metsu e potolohang kapa e thellang- joalo ka lienjine, liphepelo, lipompo, li-dies, le likhokahano tsa mochini.
Boreleli ba bona bo ka hare bo tlameha ho kopanamicron-ho mamella maemobakeng sa ho pota-pota, ho otloloha, le ho qeta holimo ho netefatsakhohlano e tlase, ho lekana hantle, le ho phela nako e telele.
Mathata Pele Ho Honing
Ka mor'a ho sebetsa ka mokhoa o tloaelehileng (ho bora, ho phunya, kapa ho tsosolosa).bophara ba ka hare ba sehlahlahangata e na le:
Nyenyanetaperkapaka ntle{{0}ka{1}}kopano
Matšoao a lisebelisoa kapa ho nyahamaho tloha ho machining
Ho kheloha hoa mahlakoreho tsoa ho kgatello ya mocheso kapa ho kokota
Qetello ea bokaholimo ha e boreleli ka ho lekana bakeng sa ho lekana hantle (Ra> 0.6 µm)
Ho se phethahale ho joalo ho lebisa ho:
Ho potoloha kapa ho khomarela shaft e sa lekaneng,
Ho ferekanngoa ho potlakileng le ho ruruha,
Tšebeliso e mpe ea lubrication, le
Ho hloleha ha karolo pele ho nako.
Ka hona, ho hlokahala hore ho be le mochine oa ho lokisa:
Finyellaho nepahala hoa ho qetelaka hare ho ±1–2 µm.
E nepahetseliphoso tsa geometry(oval, taper, sebopeho sa moqomo).
Hlahisa apheletsong ya bokahodimo bo laoloange nang le mokhoa o ts'oanang oa crosshatch bakeng sa ho boloka lubrication.
Ntlafatsabotshepehi ba bokahodimoka ho tlosa kgatello ya machining e setseng kapa metsu.
Netefatsa ateka-tekano e nepahetsengpakeng tsa shaft le bushing.
2. Mesebetsi ea Mochini oa Ho Hlompheha ho Tlhahiso ea Bushing
| Mosebetsi | Tlhaloso | Sephetho/ Molemo |
|---|---|---|
| Tokiso ea Geometry | E tlosa mefokolo ea sebopeho (taper, barrel, ovality). | E fihlella ho pota-pota ha 'nete le ho bapisa. |
| Taolo ya Dimensional | E tlosa lintho tse nyane ho fihlela ID ea ho qetela. | Litiisetso li tobetsa-fit or slip{1}}ho nepahala. |
| Qetello ea Bokaholimo | E fokotsa ho ba mahoashe ho Ra 0.1–0.4 µm. | E thusa ho sisinyeha ha shaft e boreleli le ho fokotsa khohlano. |
| Moloko oa Crossshatch | E hlahisa li-grooves tse laoloang tse intersecting. | E boloka filimi ea lubricating nakong ea ts'ebetso. |
| Khatello ea Maikutlo le Boemo ba Khatello | E tlosa likarolo tse bohale le khatello e setseng. | E thibela ho lla, ho hlaba, le ho senyeha ha tiiso. |
| Consistency Hohle Tlhahiso | CNC le fepa ea othomathike e boloka ho pheta-pheta. | Boleng bo tšoanang ka{0}}tlhahiso e phahameng. |
3. Mokhoa oa Ho Honing o Phethahatsoa Joang (Mohato-ka-Mohato)
Mohato oa 1: Pele-Machining
The bushing blank kee qhibiloe kapa e tenehileho isa boholo bo lekanang0.05–0.15 limilimithara tse tlaseho tloha bophara ba bokahare ba sepheo.
Lintho tse bonahalang li tloaelehileboronse, koporo, tšepe, kapa tšepe e entsoeng ka sinteredho itšetlehile ka kopo.
Sebaka sa-se entsoeng ka mochini hangata se bontša matšoao a lisebelisoa le mefokolo e nyane.
Mohato oa 2: Seta le ho Lokisa
The bushing ke clamped kasebopeho kapa koleteho etsa bonnete ba teka-tekano e phethahetseng ya bore axis le honing spindle.
A sekontiri se thata kapa se phaphametsenge ka sebelisoa ho latela litlhoko tsa mamello.
Ho lokisa hantle ho thibela ho se tsamaisane hantle le ho tlosoa ho sa leka-lekaneng ha thepa.
Mohato oa 3: Khetho ea Lisebelisoa
A e nyane-diameter honing mandrele khethoa ho bapisa boholo ba bore.
Mandrel e jaramajoe a abrasive a atolohang, e entsoeng kaaluminium oxide, silicon carbide, kapali-superabrasives (taemane/CBN)bakeng sa lisebelisoa tse thata.
Honing olikapapholiso ea emulsione fana ka ho tlosa litšila le ho pholisa sebaka sa mosebetsi.
Mohato oa 4: Ts'ebetso e nepahetseng
Mokhoa o kopanyadiketso tse tharo tse hokahaneng:
Ho potoloha- Sesebelisoa sa ho honing se potoloha ho potoloha axis ea sona (100-600 rpm).
Puseletso– Sesebelisoa se tsamaea morao le pele ka bore.
Katoloso ea Radial- Majoe a abrasive a hatelloa ka ntle ka khatello e laoloang ea hydraulic kapa mochine.
Hammoho, lits'oants'o tsena li hlahisacrosshatch pattern (30℃-45℃angle)le ho tlosa lintho tse nyane ka ho lekana ho phatlalla le bokaholimo.
Lipheo tsa bohlokoa tsa ts'ebetso:
Lokisa liphoso tsa sebopeho se bakoang ke ho tena.
Tlisa boholo ba bore ho mamello ea ho qetela.
Boreleli le "plateau" bokaholimo bakeng sa boits'oaro bo nepahetseng ba ho tlotsa.
Mohato oa 5:-Ts'ebetso ea Tekanyo le Litokiso
Bakeng sa{0}}lihlahla tse nepahetseng haholo,litekanyo tsa moea kapa -ho etsa mokhoa oa ho metha boreho beha leihlo ID kamehla.
Mochine o fetola ka bohona khatello ea majoe kapa fepa ho boloka mamello.
Mohato oa 6: Qetella Mokhahlelo
Ho sebelisoa majoe a hloekileng bakeng sa lipase tsa ho qetela (hangata 800-1200 grit).
Qetello ea ho qetela e fihletsoeng hangata ke:
Ra 0.1–0.4 µm
Potoloho e Ka tlase ho kapa e lekana le 2 µm
Ho otloloha Ka tlase ho kapa ho lekana le 3 µm ka bolelele ba 100 mm
Mohato oa 7: Ho hloekisa le ho hlahloba
The honed bushing e hloekisoa ka ho sebelisa solvent kapa mekhoa ea ultrasonic ho tlosa likaroloana tsa abrasive.
Bore e hlahlojoa bakeng sa:
Ho nepahala ha bophara(micrometer kapa gauge ea moea)
Ho pota-pota le cylindricity(teko e chitja)
Sebopeho sa bokaholimo(profilometer)
Lihlahla li se li loketse ho raloa, ho kopanngoa, kapa ho penya-toto.
4. Mekhoa e Tloaelehileng ea Honing bakeng sa Precision Bushings
| Paramethara | Tloaelehileng Range | Morero |
|---|---|---|
| Bore Diameter | 5 limilimithara - 100 limilimithara | Sebaka se tloaelehileng sa bushing |
| Ho Tlosa Lintho | 0.02 - 0.15 limilimithara kakaretso | Saese ea ho qetela le tokiso |
| Crosshatch Angle | 30 likhato -45 likhato | Ho boloka oli hantle |
| Qetello ea Bokaholimo (Ra) | 0.1 – 0.4 µm | Motsamao o boreleli le taolo ea ho apara |
| Mamello | ±1–2 µm | Tobetsa kapa o thelle ka nepo |
| Honing Stone Material | Al₂O₃ / SiC / Diamond / CBN | E itšetlehile ka thepa ea motheo |
| Honing Lebelo | Potoloho ea 100-600 rpm / 5-20 m/min stroke | E leka-lekaneng ho itšeha le ho qeta |
5. Melemo ea ho Hlompha Precision Bushings
Shaft e phethehileng hantlee nang le taolo e tiileng ya mahlakore.
Ho fokotseha ha likhohlano le ho ferekana, ho ntlafatsa bokhoni ba mechine.
Ntlafatso ea ho boloka lubrication, ka lebaka la crosshatch surface.
Phokotso ea lerata le ho thothomelanakong ea ts'ebetso.
Nako ea bophelo ea karolo e atolositsoeng, haholo-holo tlas'a mojaro o phahameng kapa lebelo.
Ho nepahala ha kopano e phahamengbakeng sa likarolo tsa mating (shafts, pins, guides).
6. Honing Mechini e Tloaelehileng e Sebeletsang Lihlahla
| Mofuta oa Mochini | Likaroloana | Tšebeliso e Tloaelehileng |
|---|---|---|
| Mochini oa Ho Honing o Emeng | Palo ea maoto a compact; matla a khoheli-a thusa ho tsamaisana. | Tlhahiso ea lihlahla tse nyane ho isa bohareng. |
| Horizontal Honing Machine | Bokhoni ba nako e telele ea stroke; taolo e phahameng ea geometry. | Lihlahla tse telele kapa tse kholo-tsa bophara. |
| Multi-Mochini oa Spindle Honing | Li-bores tse 'maloa li ile tsa hloekisoa ka nako e le' ngoe. | Tlhahiso e kholo ea lihlahla (likoloi, li-hydraulics). |
| CNC Honing Machine | Sebetsa{{0}sephepelo se laoloang le{1}}ka mokhoa oa ho lekanya. | -sepakapaka se nepahetseng hantle le lithulusi. |
7. Kakaretso
Ka tlhahiso e nepahetseng ea bushing,ho hlompha ke ntho ea bohlokoabakeng sa ho fetola bore e entsoeng ka mochini hore e be atshebetso e nepahetseng bokahodimo.
E etsa bonnete ba hore sehlahla se seng le se seng se fana ka:
Khokahano e tsitsitseng ea shaft,
Motsamao o boreleli oa ho potoloha kapa o thellang, le
Ho ts'epahala ha nako e telele- ho ntse ho le teng.
Ka bokhutšoane:
Ho cheka le ho borahlalosa lesoba.
Honinge etsa hore e be sebaka se nepahetseng.
