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Analysis of Common Machining Techniques for Ball Screws

Ho ea fihla boemo ba hajoale babolo screwho sebetsa ho ameha, mekhoa e tloaelehileng ea theknoloji ea ho sebetsana le bolo e ka aroloa ka mekhahlelo e 'meli: ts'ebetso ea chip (ho itšeha le ho etsa) le ts'ebetso ea chipless (polasetiki). Ea pele haholo-holo e kenyelletsa ho reteleha, ho sila ha leholiotsoana, joalo-joalo, ha e qetellang e kenyelletsa extrusion e batang, ho phalla ha serame, joalo-joalo Ka lebaka la hore bareki ba bangata ha ba tloaelane haholo le thekenoloji ea ho sebetsa ka bolo, tse latelang ke tlhahlobo e khutšoanyane le tlhaloso ea litšobotsi. , melemo le bofokoli ba mekhoa ena e 'meli ea ho sebetsana le li-ball screw.

Kenyelletso ea mekhoa ea theknoloji e sebelisoang hangata ea ho sebetsa ka bolo: 

1. ChipiProcessing

Screw chip processing e bolela ts'ebeliso ea mekhoa ea ho itšeha le ea ho etsa ho sebetsana le screw, haholo-holo ho kenyelletsa ho reteleha le ho siloa ha leholiotsoana.

bolo screw

Ho phethola:Ho reteleha ho sebelisa lisebelisoa tse fapaneng tsa ho phethola kapa lisebelisoa tse ling holim'a lathe. E ka sebetsana le libaka tse fapa-fapaneng tse pota-potileng, tse kang li-cylindrical tse ka hare le tsa ka ntle, li-conical tse ka hare le tsa ka ntle, likhoele, li-grooves, lifahleho tsa ho qetela le libaka tse entsoeng, joalo-joalo. Ho nepahala ha ts'ebetso ho ka fihla IT8-IT7. The bokaholimo Ra boleng ke 1,6 ~ 0,8. Hangata ho reteleha ho sebelisoa ho sebetsana le likarolo tsa axis e le 'ngoe, tse kang li-shafts tse otlolohileng, li-discs le likarolo tsa sleeve.

bolo screw

Ho khaola leholiotsoana (ho sila ka sefefo):Cyclone cutting (whirlwind milling) ke mokhoa o sebetsang hantle haholo oa ho lokisa likhoele, o loketseng ts'ebetso e thata ea lihlopha tse kholoanyane tsa likhoele. Ts'ebetso ke ho sebelisa seha sekhechana sa carbide ho sila likhoele ka lebelo le holimo. E na le sesebelisoa Melemo ea ho pholisa hantle le katleho e phahameng ea tlhahiso.

2. ChiplessProcessing

Ts'ebetso e se nang li-chips ea li-screw rods e bolela ho sebetsana le li-screw rods ho sebelisa mekhoa ea ho etsa polasetiki ea tšepe, haholo-holo ho kenyelletsa extrusion e batang le ho roala ho batang.

Ho bataExtrusion:Cold extrusion ke mokhoa oa ho sebetsa oo tšepe e se nang letho e kenngoa ka har'a sekoahelo se batang sa extrusion shoe, 'me mocheso oa kamore, punch e tsitsitseng mochine oa khatiso e sebelisoa ho sekheo ho etsa hore ho be le deformation ea polasetiki ea tšepe e se nang letho ho hlahisa likarolo. Hajoale, ho nepahala ho akaretsang ha likarolo tse batang tsa extrusion tse ntlafalitsoeng naheng ea heso ho ka fihla maemong a 8 ~ 9.

bolo screw

Ho bataRoling:Cold rolling e entsoe ka lipoleiti tse chesang tse chesang mocheso oa kamore. Le hoja poleiti ea tšepe e tla futhumala ka lebaka la ho pota-pota nakong ea ts'ebetso, e ntse e bitsoa ho roala ho batang. Mokhoa o batang oa ho thea ha bolo e khoeleng lebaleng la lebelo ke matla a khohlano a thehang lipakeng tsa rolara le tšepe e chitja ea tšepe. Tlas'a khatello ea khatello ea spiral, tšepe ea tšepe e longoa sebakeng sa ho bilika, ebe matla a qobelloang a rolara a etsa ts'ebetso ea deformation ea polasetiki.

Papiso ea melemo le mathata a sebelisoang hangatabolo screwmekhoa ea ho sebetsa:

Ha ho bapisoa le machining a setso a ho itšeha, melemo ea machining e se nang chip ke:

1. Ts'ebetso e phahameng ea sehlahisoa. Ho sebelisa mekhoa ea ho itšeha, ka lebaka la ho taboha ha likhoele tsa tšepe le boleng bo tlase ba holim'a metsi, hangata hoa hlokahala ho eketsa ts'ebetso ea ho sila. Chipless machining e sebelisa mokhoa oa ho etsa polasetiki, ho thatafala ha mosebetsi o batang ho etsahala ka holim'a metsi, ho thatafala ha holim'a metsi ho ka fihla ho Ra0.4 ~ 0.8, 'me matla, thata, le ho kobeha le ho hanyetsa torsion ea workpiece e ntlafatsoa.

2. Ntlafatsa katleho ea tlhahiso. Ka kakaretso, katleho ea tlhahiso e ka eketsoa ka makhetlo a fetang 8 ho isa ho a 30.

3. Ho nepahala ha ts'ebetso ho ntlafatsoa. Ho nepahala ha ts'ebetso ho ka ntlafatsoa ka maemo a 1 ho isa ho a 2.

4.Ho fokotsa tšebeliso ea thepa. Tšebeliso ea thepa e fokotsehile ka 10% ~ 30%.

Ho fumana lintlha tse ling, ka kopo ikopanye le rona hoamanda@kgg-robot.comkapa +WA 0086 15221578410.


Nako ea poso: Nov-12-2024