JONES & SHIPMAN HYDRAULIC SURFACE GRINDER S/N: M19769 New: 1997 Model 540 Table working surface 6 x 18 in. Longitudinal traverse hand/hydraulic 19 in./18.5 in. Traverse speed range , per min. 6-60 ft. Traverse per rev. of handwheel 2.4 in. Wheelhead Vertical Movement (max.) 7 in. Capacity between wheel & table 8 in. Size of grinding wheel Standard 8 x ¾ x 1 ¼ in. Cross Feed Total cross traverse 7 in. Movement per rev. of handwheel 0-4 in. Fine feed graduations 0.0001 in. Handwheel graduations 0.002 in. Intermittent feed range (per stroke) 0.007 in. - 0.07 in. Approx. machine weight 2250 lbs. Shipping dimensions (approx.) 150 ft. Features: Walker Magnetic longitudinal pole chuck 6 X 18 Walker MSBI chuck control Dust collector Coolant tank Table Hydraulically powered table traverse operating on handscraped vee and flatslideways. Base and Column High grade cast iron used for bed and column, also for major units Cross Feed Fine feed facility for cross feed Hydraulically operated traverse on vee slideways with automatic lubrication Wheelhead Wheelspindle rotates in grease packed angular contact rolling element bearings Wheelfeed Wheelhead operates on ball and roller slide assembly for high Sensitivity and precision Fine feed facility for wheelfeed. This machine came from an IBM model making shop. This tile floored and climate-controlled laboratory facility was one of the cleanest and best equipped we have seen. Those of you who have experience with IBM's manufacturing facilities will have some appreciation for the quality and condition of these goods. F.O.B. Portland, CT