Need Help! My router went today on my old DIY table need advise


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    Default My router went today on my old DIY table need advise

    I was routing some Versatex PVC today & I could hear the router slow a little then stopped. The table continued to run. I reset everything & still nothing.
    I removed the router plugged it into the wall & nothing. The bit spins freely without slop. The router is a Porter Cable if I remember it's a 3.5hp.

    I would love to replace / upgrade the table in a year or so once I get using it more & can justify it. The table design (Machine Comp) now that I know more about routers the table leaves a lot to be desired.

    So my questionsare this,

    1. Can it be repaired or does it need replaced?
    should I get a new hand held router & replace the existing one.

    2. If it needs replaced should I replace it with another Porter Cable or another "regular" router or should I purchase a cheaper Chinese spindle?

    Any help is greatly appreciated

    Thanks in advance

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  2. #2
    Gold Member Jim Dawson's Avatar
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    Default Re: My router went today on my old DIY table need advise

    I assume it's a 75182 motor. A new one is $300 everywhere. You might look at the brushes, they are probably worn out. Those routers (or any universal motor) are only good for 350 to 700 hours, and I concider them a throwaway. A new armature and bearings might cost almost as much as a new motor. I concider mine a maintenance item and figure that into the per/hr operating cost of machine. Are the cheap Chinese spindles a good option for replacement? I dunno. If I were going to replace my 75182 with a spindle, I would get a water cooled one just because they are quieter. Replacing with another 75182 would be my choice simply because the mounting brackets are already on the machine.

    Jim Dawson
    Sandy, Oregon, USA


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    Default Re: My router went today on my old DIY table need advise

    I used to use a dewalt 618 on my table, but after the bearings gave up on the second one I sprung for a Chinese 2.2kw spindle with 4 bearings. Let me tell you, it's like night and day. I can actually work in the shop while the machine is working now. I didn't get one with the liquid cooling kit and opted to make my own, but would recommend against that and find one with the whole kit. It just took forever to get all the extra parts then glue and JB weld them together. My kit was about 400 usd, not much more than double what a new router would have been, plus the cost of some shielded 16/4 cable and non shielded 14/3 to plug the VFD into the wall with. Liquid cooling could have been done for less than I spent on mine, as I ended up with a lot of fittings to make the radiators and pumps all fit together, but it was about another 80-120$ with the hose.



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    Default

    Thanks for the replies. Keep the information coming.

    Gary



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    Default Re: My router went today on my old DIY table need advise

    https://www.aliexpress.com/item/Wate...StoreLevelAB=0



    If you want to go on chinese spindles I think this one is a good deal, it`s got everything you need on the conversion sir, it`s a brushless design which can run 8-12 hours / day 365 days a year, runs cool and quiet.

    Attached Thumbnails Attached Thumbnails My router went today on my old DIY table need advise-capture002-jpg  


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    Thank you, would the $95.xx in shipping charges be all the charges or would there be additional customs charges?



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    Default Re: My router went today on my old DIY table need advise

    I can also recommend a 2.2KW spindle. I've used a water cooled spindle 3 different times now. But after this last time I was thinking about using an air cooled version just for the simplicity if I ever build another router. The water cooled spindles hardly generate any heat. In fact, with my router being in an unheated work space, I have to run the spindle with the cooling pump off for awhile to warm it up. But they are very quiet.

    For anyone considering a water cooled spindle here are some links to the pump and speed control I've used.

    Pump. Electronic Goldmine - Combo 12VDC Slimline Submersible Pump and Waterproof 15Ft Cable They go on sale quite frequently for $10 - $15.

    Speed control. http://a.co/08Kn8nL I've had good luck with DROK products. There are several different sizes available. This one is 10amp 12 -40 VDC.

    Flow meter.
    http://a.co/2rwsiVt This is the flow indicator I used but I cant recommend it. It doesnt reliably indicate flow at the low rates the spindle requires. I've seen a couple YouTube videos of indicators that were just a bright colored impellor in a clear housing that rotated when there was flow. They looked simple and effective but I havent been able to find a source for them.

    Radiator. http://a.co/gextE18 I used one like this with a fan but I tell you its overkill for the little amount of heat these generate. I think now a couple feet of copper tubing would dissipate all the heat you would need to.

    The tubing connectors on the spindles are compatible with common metric or imperial tubing. Regular vinyl tubing would work but I went with nylon tubing because its more durable.










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    Community Moderator ger21's Avatar
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    Default Re: My router went today on my old DIY table need advise

    Go with the air cooled, and forget about dealing with the water cooling.
    https://www.ebay.com/itm/FOUR-BEARIN...IAAOSw1vlUtyPk

    Gerry

    UCCNC 2017 Screenset
    http://www.thecncwoodworker.com/2017.html

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    http://www.thecncwoodworker.com/2010.html

    JointCAM - CNC Dovetails & Box Joints
    http://www.g-forcecnc.com/jointcam.html

    (Note: The opinions expressed in this post are my own and are not necessarily those of CNCzone and its management)


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    Default Re: My router went today on my old DIY table need advise

    For your current spindle it is hard to tell from the posting what happened to it. However with universal motors the first thing to check is the brushes and replace them if required. Brush replacement on most routers is quick and easy plus relatively cheap.

    If you have motor problems beyond the brushes then what is feasible depends upon your motor repair skills. For most people though a router is pretty much a throw away item. This especially is the case if the armature is bad.

    As far as replacing the router it really is up to you! As you can already see there are varying opinions as to the route you should take. Dont dismiss the issue of how you use your machine as a real factor in choosing a route to go here. Personally id go yhe real spindle route if cash, time and space srent an issue? Why mention space? You need room or a location for the VFD and associated components!

    In a nut shell the spindle is the better long term solution but it wont drop right in place.



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    Default Re: My router went today on my old DIY table need advise

    You can remove the cover, disconnect the switch (and possibly speed control,) and try and wire the power leads directly to see if the motor spins. Might get you through in a pinch until you figure out what to do...



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    Default Re: My router went today on my old DIY table need advise

    Quote Originally Posted by ger21 View Post
    Go with the air cooled, and forget about dealing with the water cooling.
    https://www.ebay.com/itm/FOUR-BEARIN...IAAOSw1vlUtyPk
    Gerry,

    2 questions..

    - What's your experiences with air cooled vs water cooled spindles?
    - How low of an RPM can those actually work at?

    Adam,

    G540, Rack and Pinion Drives-X/Y axis, 1/2-Ball Screw-Z Axis w/THK HSR 25 Linear Slides, Steppers KL23H2100-35-4B, Power Supply-KL-600-48


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    Default Re: My router went today on my old DIY table need advise

    Quote Originally Posted by adam_m View Post
    Gerry,

    2 questions..

    - What's your experiences with air cooled vs water cooled spindles?
    - How low of an RPM can those actually work at?

    Adam,
    I have been using 1.5kW air cooled for over a year now and no regrets at all. For drilling in alu and plastic I go as low as 4800rpm. Minimum specified speed is 6000rpm, but that is the same regardless if you are using water cooled or air cooled. If I ever build a second machine it will also be air cooled. The argument that water cooled are more quiet is only valid if you only mill air. Noise is not an issue otherwise because regardless of speed, the cutting noise is MUCH higher than the motor and fan noise. Brush less air cooled spindles are considerably quieter and run cooler than air cooled routers with brushed motors. Those routers are designed for short passes of manual routing, not for long runs in CNC at a large variety of speeds.



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My router went today on my old DIY table need advise

My router went today on my old DIY table need advise