Usilawula njani isantya semoto enyathelayo (okt, ukubala njani ukubetha kwentliziyo)

Intshayelelo yenqanaba ezimbini ze-stepper motor:

Olona lawulo lwemoto olunyathelayo lulula kakhulu, isicelo ziziziyatha, abavelisi benza umsebenzi olungileyo womqhubi we-stepper motor, i-stepper motor isebenza njani ngumqhubi ukulawula, akufuneki senze ukuqonda okunzulu kwe-stepper motor. , okoko usazi usetyenziso lwendlela yomqhubi we-stepper motor ingaba. Ngokuqinisekileyo iimpawu zokusebenza ezilula ze-stepper, okanye kufuneka ndazi, ndiza kuzisa ngezantsi!

Indima yolwahlulo:

Inqanaba lesibini leenjini zokunyathela, inqanaba elisisiseko leengile ze-1.8 degrees, oko kukuthi: ii-pulses motor ezingama-200 zijike isangqa, esibizwa ngokuba linyathelo lonke.

Umsebenzi wokwahlulahlula unokusetwa kumqhubi we-motor stepper:

Xa ibekwe kwi-2 subdivisions (ekwabizwa ngokuba yi-half-steps), i-angle yesinyathelo yi-0.9 degrees, ii-pulses ezingama-400 zijika isangqa.

Xa ibekwe kwi-4 izahlulo, i-angle yesinyathelo yi-0.45 degrees kunye ne-800 pulses ejikelezayo.

Xa ibekwe kwi-8 subdivision, i-angle yesinyathelo yi-0.225 degrees kunye ne-1600 pulses iyajikeleza.

Okukhona ulwahlulo luphezulu, ubude buncinci be-pulse ethunyelwe ngumamkeli wekhompyuter, kokukhona kuphezulu ukuchaneka! Oku kuqondwa kakuhle, i-pulse ukuya kwi-10 mm, i-10% yephutha, impazamo ye-pulse ye-1 mm, i-pulse ukuya kwi-1 mm, i-10% yephutha elifanayo, impazamo ye-pulse ye-0.1 mm.

Ewe kunjalo, asikwazi ukuseta iqhezu elihle kakhulu, ukufezekisa injongo ye-pulse nganye ukuhamba ubude obuncinci.

Ukhumbula inqanaba ezimbini stepper motor 200 pulses ukujika isangqa emgceni! Okukhona mkhulu ulwahlulo, kokukhona likhulu inani lee-pulses kwirevolution enye ye-stepper motor!
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Ukuba sifuna ukuba i-stepper ihambe nge-400 mm kwi-600 revolutions ngomzuzu, sibala njani inani le-pulses kunye ne-pulse frequency ekufuneka i-OP ithumele?

Sisilawula njani isantya semoto enyathelayo (oko kukuthi, sibala njani isantya sokubetha kwentliziyo):

Ukucinga ukuba ukuseta ngamaqhezu amane afanelekileyo, inani lee-pulses ezifunekayo kwi-motor ukwenza i-revolution enye, oko kukuthi, i-800, ukufezekisa i-stepper motor speed ye-600 rpm, ukubalwa kokuphindaphinda kwee-pulses ekufuneka zithunyelwe ngumkhosi. ikhompyutha:

Ingqikelelo ye-frequency linani lee-pulses ezithunyelwa ngomzuzwana omnye.

Ngoko ke, qala ukubala inani leenguqu kwisekondi nganye ye-motor stepper

600/60 = 10 revolutions ngomzuzwana

Emva koko bala inani lee-pulses ezifunekayo kwi-10 revolutions/sec.

10 X 800 = 8000

Oko kukuthi, i-pulse frequency yi-8000, okanye i-8K.

Ukuqukumbela, ukuze uqonde isantya se-stepper motor ye-600 rpm, ikhompyuter ye-host kufuneka igcine i-pulse output frequency ye-8K.

Ngoku uyaqonda? Ukuze ubale i-pulse frequency kufuneka wazi izinto ezimbini ezifunekayo zezi:

I-1, yazi inani lee-pulses ezifunekayo kwi-revolution enye ye-motor stepper;

I-2, yazi isantya sokujikeleza se-stepper motor, iyunithi yesantya esijikelezayo yile: iirevolutions nge

Indlela yokubala inani lee-pulses ezifunwa yi-stepper motor.

Ukucinga ukuba ukusetwa ngamaqhezu amane, inani lee-pulses ezifunekayo kwi-motor ukujika isangqa yi-800, kwaye ukuqonda ukuba i-motor stepper ihamba umgama we-400 mm, ukubalwa kwenani lee-pulses ekufuneka zithunyelwe ikhompyuter ephezulu:

Ukuba i-shaft ephumayo ye-motor stepper kunye ne-screw (i-pitch: 10mm) idibaniso ngqo, okanye nge-pulley drive, i-wheel circumference ye-10mm. Oko kukuthi, i-motor stepper ukujika isangqa, ubude bokuhamba koomatshini 10mm.

Inani lee-pulses ze-revolution enye ye-motor ngama-800, ngoko ubude be-pulse ehambayo:

10mm / 800 = 0.0125 mm

Inani lemibhobho efunekayo ukuhamba 400mm:

400 / 0.0125 = 32000 pulses

Ukuqukumbela, ukuze uqonde umgama we-400 mm ohanjwe yi-motor stepper, inani lee-pulses ekufuneka zithunyelwe yi-computer ye-host yi-32000.

Uyaqonda ngoku? Izinto ezintathu ezifunekayo ekufuneka zaziwa ukuze kubalwe inani lee-pulses zezi:

I-1, yazi inani lee-pulses ezifunekayo kwi-revolution enye ye-motor stepper;

2, yazi i-stepper motor ukujika isangqa sobude bokuhamba;

3, yazi ubude bohambo bubonke obufunwa yi-stepper motor;

Ukuba sifuna ukuphucula ukuchaneka, sinokunyusa ulwahlulo, ukuba ulwahlulo lusethelwe kwi-64 Inani lee-pulses ezifunekayo kwi-revolution enye ye-motor yile:

64 X 200 = 12800

Ubude be-pulse ehanjiweyo bu:

10mm / 12800 = 0.00078 mm

Inani lemibhobho efunekayo ukuhamba 400 mm:

400 / 0.00078 = 512000 pulses

Ukufezekisa isantya se-600 rpm, i-frequency ye-pulses ekufuneka ithunyelwe yi-host computer yile:

( 600 / 60 ) X 12800 = 128000

Oko kukuthi: 128K
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