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#NK-8 NAKAKBO-TEKKO UNIVERSAL TOOL & CUTTER GRINDER New 1984, Serial No 214, Model NK-8, Note: This machine is designed so that the grinding wheel swivels drawing the form of the arc. The motor provided sets up an idependaent, reciprocating or inching arc motion. The grinder head operates without stick slip and develops a smooth arc motion. Because of linear acceleration and deceleration accomplished by the transistor invertor, the swivel motion begins and stops smoothly, and free selection of swivelling speed is available. The helical motion to the work can be given synchronously with the swivel motion of the grinder head, and adjustment of the twist in R section, in addition to the twist in the margin, can be made arbitrarily, enabling you to generate spiral-formed rake face on the R section of your hand-made ball end mill. PRICE: F.O.B. OUR WAREHOUSE.................. $4,950.00 All machines/equipment subject to prior sale. |