Solenoid reversing valve may prefer median release three-position five-path double pneumatic slide valve. Electrically, make certain that the chuck rotation may occur under the release condition only.

• 电磁换向阀应选用中位泻压式三位五通双气控滑阀，并且在电气上要保证只有在泻压状态下才能使卡盘旋转工作；