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This is a precision gear hobbing machine. Built in 1966 it was intended for the manufacture of watches, cameras, shutters, music boxes, or any instrument or mechanism requiring small precision spur gears. What makes this a rare find is that it includes its original accessory box full of change gears, collets and centers, as well as an array of hobs that would enable the user to cut a wide variety of spur gears. Other remarkable qualities include change gears that are all hardened and ground; automatic lubrication; a semi-automatic cutting cycle, and a lever operated collet closer. The machine specifications are as follows: -Maximum diameter to be cut: 1.2 or 30mm -Maximum length to be cut: 1.2 or 30mm -Number of teeth in cut gear: from 6 to 390 (253 varieties with included change gear set) -Maximum pitch: D.P. 24 or 1.0 module -Hob speed: 700 to 2700 rpm in 6 steps -Feed per work piece revolution: .0019 to .0197 -Main drive motor: 220 volts / 3 phase -Floor space: 18.5 x 22.5 The machine itself has its original paint. It has seen some production use but remains in good working condition. The condition of the change gears is excellent with most still sealed in their factory cosmoline. The items being sold in this lot are as follows: - (1) Hamai H-79 Precision Gear Hobbing Machine S/N-603 - (1) Complete set of Change Gears in Box (96 index gears, 4 compound gears, 4 feed gears) - (13) Collets (2-3/32, 3-1/8, 2-5/32, 3-3/16, 2-1/4, 1-special) - (9) Hobs (1-72dp,1-80dp, 1-88dp, 2-96dp, 2-120dp, 2-180dp all @ 20PA) - (1) Operating Instructions Book |
