Logan Lathe Quick Change Gearbox. This is probably the largest and most complicated home project i have had the pleasure of designing fabricating the gear change levers: As far as i know this is a complete change gear set for the logan 10 lathe. 12, 16,18,20, 24, 28, 32, 40, and 48 tpi.

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As far as i know this is a complete change gear set for the logan 10 lathe. It's a quick change gearbox capable of tuning: When cutting metric threads on an inch series lathe, the half nut must not be disengaged.

It is able to index in 30 degree increments and holds 4 tools simultaneously.

This is part 1 of 2 parts. We are a small caring family business specializing in second hand and new myford lathes, stands and attachments. Gearbox to fit myford ml7 super 7 or ml7r for sale. Logan /southbend/atlas ??lathe quick change gear box ?? It is able to index in 30 degree increments and holds 4 tools simultaneously. Qctp tool holders for the lathe. It allows gear ratios from 1:64 to 64:1 in multiples of 2 (1:1, 1:2, 1:4. I'm calling this part the multiplier assembly.