Not nearly enough branchesThose diagrams always remind me of one of those genetic family tree diagrams .....
Not nearly enough branches
Mine is more like a hedge row.But what if your family tree doesn't fork?
Trying to put a reversing switch on my PM lathe . Anybody have one they could part with? Have pay pal . Thanks
The lathe has a 1.5 hp single phase motor . It is factory equipped with a mag starter. This is a PM 90 probably eighties.
My tree is more than "forked!"But what if your family tree doesn't fork?
As you might know the motor plate is on the other side of the motor. Tried to photo but no luck yet. If you are familiar with the PM 90 you know the motor is practically inaccessible. I will get under there and get the info when these old bones allow!Bill,
Your diagram will only work for a DC motor. He has a 1.5 hp single phase induction motor. His reversing switch is going to need to be much more complicated than that.
I was hoping to get him to post the wiring information for his motor. Being a single phase induction motor is going to require a circuit that changes the motor start winding orientation and capacitor starting circuit in order to reverse it. Once running, it doesn't care which way it is going. There are many variations out there in the World so he is going to need a reversing switch and circuit tailored to his need. If he goes somewhere and just asks for a "Reversing switch" he is likely going to end up with the 3 phase reversing switch that I noted, since that is the most common industrial reversing switch, and it won't work for him.
@Strom ,
Please provide more information. A wiring diagram showing your motor connections, etc. Some induction motors have connection diagrams on the back side of the cover over the location where the power cable enters the motor. A photo or scan of this diagram, as well as other information related to the wiring from your tool manual would help us better help you.
Charley
Bill,
Your diagram will only work for a DC motor. He has a 1.5 hp single phase induction motor. His reversing switch is going to need to be much more complicated than that.
The motor is 220 volts.Crucial question: is the motor 220 volts or 110 volts single phase?
There are two types of 'reversing' switches.
One type is a drum switch that's usually used for starting a motor. Rigging up a drum switch inside the motor compartment so it is between the motor and the starter is a good strategy.
Second is a double pole, double throw (DPDT) switch that's a little thing with six connections. This is usually crammed inside the motor's junction box after one drills the proper hole in the junction box. This means you'll have to reach to the motor to reverse the motor's direction.
The DPDT switches are usually $15.00 or less. A good drum switch will cost about $60.00 LINK
Here's a couple of diagrams I've saved that might be helpful for the DPDT switches
View attachment 198595
Above for 220 volts
View attachment 198596
above for 110 volts
Bob thanks. I have now ordered a drum switch. The 220 diagram above should be the same for it ?Crucial question: is the motor 220 volts or 110 volts single phase?
There are two types of 'reversing' switches.
One type is a drum switch that's usually used for starting a motor. Rigging up a drum switch inside the motor compartment so it is between the motor and the starter is a good strategy.
Second is a double pole, double throw (DPDT) switch that's a little thing with six connections. This is usually crammed inside the motor's junction box after one drills the proper hole in the junction box. This means you'll have to reach to the motor to reverse the motor's direction.
The DPDT switches are usually $15.00 or less. A good drum switch will cost about $60.00 LINK
Here's a couple of diagrams I've saved that might be helpful for the DPDT switches
View attachment 198595
Above for 220 volts
View attachment 198596
above for 110 volts
There are two types of 'reversing' switches.
One type is a drum switch that's usually used for starting a motor. Rigging up a drum switch inside the motor compartment so it is between the motor and the starter is a good strategy.
Second is a double pole, double throw (DPDT) switch that's a little thing with six connections. This is usually crammed inside the motor's junction box after one drills the proper hole in the junction box. This means you'll have to reach to the motor to reverse the motor's direction.
View attachment 198596
above for 110 volts