Ainihin ka'idar aiki na bawul ɗin pneumatic shine cewa matsewar iska ta shiga cikin injin motsa jiki don fitar da Piston, sannan juyawa ko ɗaga torsion shaft yana korar kara.An raba bawuloli na pneumatic zuwa aiki guda ɗaya (dawowar bazara) da aiki biyu.

Mai yin aiki guda ɗaya (dawowar bazara) mai kunnawa pneumaticshi ne tsarin Piston da ke tafiyar da bazara, akwai ka'idoji guda biyu: a buɗe (NO) kuma a rufe (NC), wanda ke nufin cewa: idan iska ta shiga, bawul ɗin yana rufe (NO);lokacin da iska ta shiga, bawul ɗin ya buɗe (NC).

Mai aiki da bututun mai aiki sau biyubukatar a sanye take da 5-hanyar 2-matsayi solenoid bawul don sarrafa iska ya shiga daban-daban ƙofar sa'an nan sarrafa bawul bude da kuma rufe.Lokacin tuƙi jikin bawul iri ɗaya, saurin buɗewa da rufewar aiki sau biyu ya fi sauri fiye da guda ɗaya.

Ƙa'idodin Yin Aiki Guda & Masu Aikata Sau Biyu

Ƙa'idar Mai Aikata Guda Daya (Komawar bazara)

Air zuwa tashar jiragen ruwa A yana tilasta pistons a waje, yana haifar da magudanar ruwa don matsawa, Pinion yana juya agogo baya yayin da iska ke ƙarewa daga tashar jiragen ruwa B.
Rashin karfin iska akan tashar jiragen ruwa A, makamashin da aka adana a cikin maɓuɓɓugan ruwa yana tilasta pistons a ciki.Pinion yana juyawa zuwa agogo yayin da iska ke ƙarewa daga tashar jiragen ruwa A.

Air zuwa tashar jiragen ruwa B yana tilasta pistons waje, yana haifar da maɓuɓɓugan ruwa don matsawa, Pinion yana juya agogo baya yayin da iska ke ƙarewa daga tashar jiragen ruwa B.
Rashin karfin iska akan tashar jiragen ruwa A, makamashin da aka adana a cikin maɓuɓɓugan ruwa yana tilasta pistons a ciki.Pinion yana juyawa zuwa agogo yayin da iska ke ƙarewa daga tashar jiragen ruwa A.

Ƙa'idar Mai Aikata Sau Biyu

Air zuwa Port A yana tilasta pistons a waje, yana haifar da pinion ta juya baya bayan agogo yayin da iskar ke ƙarewa daga Port B.

Air zuwa Port B yana tilasta pistons a ciki, yana haifar da pinion ta juya agogo yayin da iskar ke ƙarewa daga Port A.

Air zuwa Port A yana tilasta pistons waje, yana sa pinion ta juya agogon hannu yayin da iskar ke ƙarewa daga Port B.
Air zuwa Port B yana tilasta pistons a ciki, yana haifar da pinion ta juya baya bayan agogo yayin da iskar ke ƙarewa daga Port A.

Zane-zane na Torque