Lebelo la The khoele External Of The CNC lathe ke eng?
2020-01-11
Lebelo La Khoele External Of The CNC lathe
Ha lepolanka la CNC le sehla likhoele, ka lebaka la phetoho ea ketane ea phetisetso, ha e le hantle, lebelo la eona la ho potoloha le ka netefatsa feela hore sesebelisoa se tsamaea ka sekontiri se le seng haufi le axis e kholo ea phepelo (haholo-holo Z axis) 'me ha ea lokela ho lekanyetsoa. |
Lebelo La Khoele External Of The CNC lathe
Leha ho le joalo, ha CNC lathes thulaganyou e likhoele, ba angoa ke lintlha tse latelang:
- 1) Boima ba sekontiri (lead) bo laetsoeng ka mochini oa mochini oa likhoele bo lekana le lebelo la fepa F le hlahisoang ke palo ea fepa (mm / r). Haeba lebelo la sekontiri sa sesebelisoa sa mochini le khethoa le le holimo haholo, fepa e fetotsoeng Lebelo (mm / min) le tlameha ho feta haholo boleng bo tloaelehileng;
- 2) Qalong / pheletsong ea ho fallisoa ha eona, sesebelisoa se tla qobelloa ke maqhubu a holimo / tlase a sisteme ea sistvo drive le lebelo la lipalo la phetolelo ea phetolelo. Hobane maqhubu a holimo / tlase a ke ke a fihlela litlhoko tsa ts'ebetso, e kanna ea ba ka lebaka la phepo e kholo "lead" le "lag" e hlahisoang ke motsamao li bakile hore molumo oa likhoele tse ling o se lumellane;
- 3) Khoele e retelehang e tlameha ho hlokomeloa ke ts'ebetso ea ts'ebetso ea khokahano, ke hore, khoele e retelehang e hloka sepikara sa pulse length jenereithara (encoder). Ha lebelo la sekontiri le khethoa le phahame haholo, boemo ba sekhahla bo romelloang ke encoder (ke hore, lets'oao la pulse ea litšupiso le rometsoeng ke phetoho e ngoe le e ngoe ea sekontiri) e ka bakoa ke "overshoot" (haholo ha boleng ba encoder bo sa tsitsa) . Ka lebaka leo, khoele ea mosebetsi o tla tlamelloa ka mokhoa o sa sebetseng.
Ka hona, ha u fetola likhoele, boikemisetso ba lebelo la sekontiri bo lokela ho latela melao-motheo e latelang:
- 1) Tlas'a boemo ba ho netefatsa tlhahiso ea tlhahiso le ho itšeha ho tloaelehileng, lebelo le tlaase la sekontiri le lokela ho khethoa;
- 2) Ha bolelele ba lead-in δ1 le bolelele ba ho seha δ2 (joalo ka ha ho bonts'itsoe setšoantšong) kahare ea ts'ebetso e nkuoa e lekane, ke hore, ha sebaka sa fepa ea khoele se feta bolelele ba khoele e boletsoeng ho kotokaka, leakage radiation e phahameng ka khetha. Lebelo le potolohang;
- 3) Ha lebelo le lumellehang la ho sebetsa le boletsoeng ke encoder le feta lebelo le phahameng la sekontiri se boletsoeng ke sesebelisoa sa mochini, o ka khetha lebelo le phahameng la sekontiri ka hohle kamoo ho ka khonehang;
- 4) Tlas'a maemo a tloaelehileng, lebelo la spindle (n screw) la khoele le lokela ho khethoa ho ea ka mokhoa oa ho bala o boletsoeng bukeng ea mochine oa mochine kapa tsamaiso ea lipalo.
Foromo ea lipalo hangata ke:
n screw ≤ n lumella / L (r / min) moo n e lumellang-lebelo le phahameng la ho sebetsa (r / min) le lumelletsoeng ke encoder
L -Pitch (kapa lead, mm) ea khoele ea mosebetsi.
Kopanya le sengoloa sena: Lebelo la The khoele External Of The CNC lathe ke eng?
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