Suitable for forging and casting parts, which need strong abrasive force.To remove black points and film, and grind the edges of parts. Use horizontal rotary barrels, the tub have with or without inside liner, can resist acid, alkali, abrading and eliminate the impingement. The tub without liner suits for steel ball or iron and steed, can add strong abrasive force. The machine has the appropriate angle to discharge parts easily.It is simple and convenient to process parts and has economical and cheaper cost.