Home  Sources  Part descriptions  Electrical parts  Mechanical parts  DC motors  Geared motors Gearmotors compared Nihon details Copal details Omron details Omron gearhead details Tokyo Micro details TS-53 details CS-20bb details Microcassette details BIObug 143:1 details BIObug 177:1 details BIObug II 224:1 details  Stepper motors  Misc. parts Assembly descriptions   BEAM Pieces is a BEAM Reference Library site.		Nihon ("BG Micro") gearmotor detailed data All the data that's fit to print Manufacturer Nihon Mini Motor Co., Ltd. Source Commercial salvage; focus and zoom motors in LCD projector lens assemblies from BG Micro. Comments These motors are only sporadically-available), but due to their high efficiency and small size are highly prized in the BEAM community. The last time they were available, they cost $10 each; the time before that, $8 each; the time before that, $4 each -- the lesson being, buy them when you can! These have a Nihon part number of AG-M16-1960, and were custom built for Minolta. These are built to handle 3.0 - 6.0 V DC (5.0 V nominal), but in reality can handle lower voltages as well. The picture on the right shows a complete lens assembly. Since the two motors are used in two different places, any one of these motors will come attached to one of two different mounting plates; with a little imagination, either can be used to attach your motor to a 'bot. This page presents all the data from my testing of a single example of the Nihon gear motor sporadically available from BG Micro. The test procedure I used is described elsewhere. Voltage No-load Current (mA) No-load Speed (deg/sec) Efficiency (deg / mW-sec) 0.5 8.9 9.92 2.229 1.0 10.3 29.03 2.818 2.0 13.5 68.18 2.525 3.0 16.9 109.1 2.152 4.0 19.5 146.9 1.883 5.0 22.1 187.5 1.697
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