Nakong ea ho fetoha ha CNC, likarolo tse ling tse tšesaane tse nang le marako li atisa ho sebetsoa. Ha u fetola li-workpieces tse nang le marako a tšesaane, ka lebaka la ho se tsitse ha mosebetsi, ho senyeha ha li-workpieces tse tšesaane ho li-lathes tsa CNC hangata ke liketsahalo tse latelang nakong ea ho fetola.

• 1. Ka lebaka la lerako le tšesaane la workpiece, ho bonolo ho holofala tlas'a ketso ea khatello ea clamping. Ka hona ama ho nepahala ha dimensional le ho nepahala ha sebopeho sa workpiece. Ha u sebelisa tse tharo mohlahare chuck joalokaha ho bontšitsoe Figure 1 ho clamp workpiece ho sebetsa lesoba ka hare, e tla hanyenyane fetoha kgutlotharo tlas'a ketso ea clamping matla, empa lesoba cylindrical e fumanoa ka mor'a ho retelehela lesoba. Ha mehlahare e lokolloa 'me workpiece e tlosoa, selikalikoe se ka ntle se khutlela sebopeho sa cylindrical ka lebaka la ho hlaphoheloa ha elastic, ha lesoba le ka hare le fetoha triangle e nang le sebōpeho sa arc joalokaha ho bontšitsoe setšoantšong sa 2. Ha u lekanya ka micrometer e ka hare, bophara D ka mahlakoreng 'ohle e lekana.
• 2. Tlas'a ketso ea matla a ho itšeha (haholo-holo radial cutting force), ho bonolo ho hlahisa vibration le deformation, e amang ho nepahala ha dimensional, sebōpeho, ho nepahala ha boemo le ho rarahana ha holim'a workpiece.
• 3. Hobane mosebetsi oa ho sebetsa o le mosesaane, mocheso oa ho itšeha o tla etsa hore ho be le ho senyeha ha mocheso oa mosebetsi, e leng ho etsang hore ho be thata ho laola boholo ba mosebetsi. Bakeng sa li-workpieces tse tšesaane tse nang le marako a nang le li-coefficients tse kholo tsa katoloso, joalo ka ho phethoha ho sa feleng le ho qeta ho phethoha ka setsing se le seng, deformation ea mocheso oa workpiece e bakoang ke mocheso oa ho itšeha e tla ama ho nepahala ha eona haholo, 'me ka linako tse ling esita le ho etsa workpiece. E khomaretse fixture.

Rea tseba hore na li-workpieces tse holofetseng tse nang le marako a masesaane li sebetsoa joang ke li-lathe tsa CNC, joale re lokela ho etsa eng mabapi le deformation ea li-workpieces tse nang le marako a masesaane holim'a likhoele tsa CNC? Litharollo tse 'maloa li hlalositsoe ka tlase.

• 1. Workpiece e arotsoe ka likarolo tse thata. Nakong ea phetoho e mpe sethaleng sa ho qetela, ka lebaka la moeli o moholoanyane oa ho itšeha, matla a ho thibela a batla a le kholoanyane, 'me deformation e tšoana le e kholo; nakong ea ho phethoa, matla a clamping a ka ba nyane hanyane, 'me ka lehlakoreng le leng, clamping e holofetse. Ka lehlakoreng le leng, e ka boela ea felisa deformation e bakoang ke matla a ho itšeha ka mokhoa o feteletseng nakong ea ho phethoha ka thata.
• 2. Ha u sebelisa li-geometric parameters ho fetola li-workpieces tse tšesaane tse nang le marako ka mokhoa o utloahalang, ho thatafala ho hlokahala hore e be holimo, lehare la ho hlakola ha le bonolo ho ba nako e telele haholo (hangata 0.2-0.3mm), 'me moeli oa ho itšeha o lokela ho ba o bohale.
• 3. Eketsa sebaka sa ho hokahanngoa ha clamping joalo ka ha ho bonts'itsoe Setšoantšong sa 3. Sebelisa letsoho le phatlohileng kapa mehlahare e khethehileng e bonolo. Sebaka sa ho ikopanya se atolosoa, e le hore matla a ho koala a arolelitsoe ka mokhoa o ts'oanang holim'a workpiece, e le hore workpiece e se ke ea senyeha habonolo nakong ea clamping.
• 4. Ho tšela metsi a sehang ka botlalo. Ka ho tšela metsi a ho itšeha ka botlalo, fokotsa mocheso oa ho itšeha le ho fokotsa ho senyeha ha mocheso oa workpiece.
• 5. Eketsa likhopo tsa ts'ebetso. Li-workpieces tse ling tse tšesaane tse entsoeng ka marako li entsoe ka mokhoa o khethehileng ka likhopo tse 'maloa sebakeng sa clamping ho ntlafatsa ho tiea mona, e le hore matla a ho koala a sebetsane le likhopo tsa ts'ebetso ho fokotsa deformation ea workpiece. Ka mor'a hore ts'ebetso e phethoe, likhopo tsa ts'ebetso lia tlosoa. .
• 6. Ha axial clamping lihlopha e lokela ho sebelisoa ho fetola li-workpieces tse tšesaane tse nang le marako, li-radial clamping ha lia lokela ho sebelisoa ka hohle kamoo ho ka khonehang, 'me mokhoa oa axial clamping o bontšitsoeng ho Setšoantšo sa 4 o khethoa. Sebaka sa mosebetsi se tlameletsoe ka axially ka sefahleho sa ho qetela sa axial clamping sleeve (sleeve se nang le khoele). Kaha matla a clamping F a ajoa hammoho le tataiso ea axial ea workpiece, axial rigidity ea workpiece e kholo, 'me ha ho bonolo ho hlahisa deformation ea clamping.

Kopanya le sengoloa sena:Litharollo tsa Deformation Bakeng sa CNC Fetola Likarolo tse Thin-Walled

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