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brightspark
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why reverse 
why reverse
Tapping would be a benefit
Comic
AndyStobbs
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3ph or single?
I bought an eBay jobby for £15, its actually marketed as a change over switch. Took some figuring out. It covers my 3 phase motor on the lathe and had one position spare, which I wired through the contactor coil so the motor had to be manually restarted once direction was changed.
I bought an eBay jobby for £15, its actually marketed as a change over switch. Took some figuring out. It covers my 3 phase motor on the lathe and had one position spare, which I wired through the contactor coil so the motor had to be manually restarted once direction was changed.
Single
If necessary I would have to find out, would the relevant info be on the plate. The drill is is such an awkward place and hard to get to the motor. If you're familiar with a Fobco 7/8 you know what I mean.
Thanks, I'll see if I can get to it and put a pic. on here.
Just had a look at similar size electric motors. the info on most of them states that the motor can be wire to rotate either way OR wired through a forward/reverse switch??, so can all motors be wired to forward /reverse through a switch as implied by the sellers?.
the artfull-codger
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Having owned [at home] & used [at work] a number of pillar drills over the last 50 odd yrs I can honestly say I've never had the need to run any of them in reverse.
You probably would if you wanted to do some tapping without a Tapmatic or such like.
ronan
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Maybe, but true, and i have seen plenty of drills and reamers burnt out running in reverse, usually by idiot labourers or apprentices. If it was me i'd buy one of those little spring loaded centres, and use that in the chuck to align the tap and simply use a tap handle.
the artfull-codger
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Not at all jordan, tapping under power with a jacobs chuck the tap will slip because the tap is hardened & so are the chuck jaws, so any of the larger taps will just slip & if using smaller taps then power tapping is fraught with snapping the tap, when I "start" a tap in my geared meddings & just put it into neutral & turn the spindle round by hand,as you say the alternative is an automatic tapping head which not only has a slipping clutch built in to help prevent snapping taps but reverses when you lift up.
brightspark
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the drill wouldn't turn slow enough for tapping anyhow and try stopping forward quick holding the quill down then put in reverse ive tapped many a hole by hand. still if it floats your boat doing it good luck everyone to there own
In its slowest speed in low gear it is slow, believe me. For the cost involved I would just like to give it a try.
the artfull-codger
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Fair enough it's your drill m8 good luck
brightspark
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unless u want to spend about 70 quid on a Dewhurst reversing drum one get a - Chinese one of eblag delivered for about 9 quid then get a test meter to work the -conections out as theres no instructions
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