MRL1800 horizontal honing machine is designed for small and medium-sized small-hole parts processing: diesel engine oil pump nozzles, such as oil valve, plunger sleeve, grease nipple, fork, roller body, piston, etc.; various sewing machine small parts, such as connecting rods, rocker arms, steel bushings, etc. Honing; small cylinders in the pneumatic tool industry, such as pistons, blind hole cylinders, etc.; various motorcycle gears, cylinders, connecting rods, bushings, etc.; hydraulic industry Valve sleeve, valve body; wind instrument; high precision honing of inner hole of military parts; agricultural machinery, cylinder block of garden machinery, small connecting rod; various small gear inner holes; mold guide sleeve, sliding sleeve, etc.; Honing processing of ceramic inner hole; graphite mold inner hole; tungsten steel mold inner hole; bearing inner hole, etc. Machine tool feeding system and size control system are pure mechanical structure, stable and reliable medium and small workpiece with high precision It can be honed and processed with high precision and easy operation.