Product Details
Constructed using the Meehanite® casting process, JET variable speed milling machines provide consistent and reliable operation. The machines feature precision bored and honed milling heads for quality cuts, along with a three-stage power downfeed with automatic stop for ease of use. The JET JTM-4VS series mills are available in single or three-phase power configurations and are backed by a two-year full service and parts warranty. Key features include certified Meehanite® castings, a large diameter chromed quill, high precision class 7 spindle bearings, a chrome plated motor shaft with lower bearing support, an internally cooled spindle head, a heavy-duty splined motor drive, a one-piece quill pinion and shaft, a heavy-duty spindle brake, locks on all movable surfaces, precision hardened and ground ways and table, adjustable gibs throughout, an internal coolant tank built into the casting base (coolant pump not included), a tolerance test sheet, a one-shot lubrication system, way covers, a draw bar, and a toolbox with tools. The specifications include a digital readout of ACU-RITE 200S, three axes (knee), X-axis powerfeed, R-8 spindle taper, a table size of 9" x 49", quill diameter of 3-3/8", variable spindle speeds ranging from 60 to 4,200 RPM, quill down feed rates of .0015 - .003 - .006 IPR, spindle travel of 5", head movement of 90° R & L and 45° F & B, maximum distance from spindle to table of 17-1/2", maximum and minimum distances from spindle to column of 19" and 4-1/2" respectively, collet capacity of 1/8 - 7/8, table longitudinal travel of 34" (28-3/4" with powerfeed), table cross travel of 12", and T-slots numbering three with a size of 5/8" and T-slot centers of 2.
