Welcome to Our Community

Unlock hidden features. Sign Up for Free Today!

Router speed controller

Discussion in 'General Electronics' started by Rick 2.0, Oct 5, 2014.

  1. Rick 2.0

    Rick 2.0 OpenBuilds Team
    Staff Member Moderator Builder

    Joined:
    Dec 20, 2013
    Messages:
    1,094
    Likes Received:
    399
    I came across the following passage regarding a DIY router speed controller and I was wondering if anyone could verify the validity of the concept.

    "A tip for you router users.

    Royce i know you use quite a few routers on a steady basis.
    this is for the guys with routers that use brush assemblies.
    Run your routers on DC power. your router will run 40% cooler and 40% less screaming noise. your torque curve will increase and carry over a wider rpm range. my dewalts are old and on the original brushes.

    here is the parts list for a DC power supply. the three main parts are:
    1. 1500 watt AC rotory dial dimmer switch.-any home depot
    2. 200 volt 25 amp bridge rectifier -- nothing less
    3. 200 volt 10,000 ufd DC capacitor -- the voltage can be higher but not lower. you will blow it up.

    this is how you wire it up.
    120 ac line volt to on/off switch -to- dimmer -to- rectifier -to- capacitor --to- on/off switch -to- router.

    this setup also gives you variable speed control. my box has double outlets . you can plug any extension cord in and run a router 25 feet away . i run two routers off one power supply no problem.

    bill

    forgot to mention the the output will be 20vdc to 185vdc variable.
    this depends on the makers of the dimmer and rectifier. you can use the 185 too, it wont hurt the router.

    bill" <source>
    The goal behind asking is in regards to turning one of the little 30,000 rpm screamers into something more usable.

    Any help appreciated. Thx.
     
  2. Tweakie

    Tweakie OpenBuilds Team
    Staff Member Moderator Builder

    Joined:
    Jan 18, 2014
    Messages:
    787
    Likes Received:
    290
    Hi Rick,

    I think the concept is valid, however, it is certainly not something I would recommend doing.

    Tweakie.
     
  3. Rick 2.0

    Rick 2.0 OpenBuilds Team
    Staff Member Moderator Builder

    Joined:
    Dec 20, 2013
    Messages:
    1,094
    Likes Received:
    399
    Tweakie,

    Thank you for your response. I've been reading up a bit more on the subject and it seems to follow along similar lines as the diagram you have in the electronics 101 for the unregulated power supply. Ultimately however I have no idea just what it will do to the router. I've seen a number of reports of overheating as the airflow reduction has been greater than the overall heat reduction but these have all been based on the typical AC speed reducers. I have been considering tracking down the guy who posted and asking how his experiment is going now 5 years on.
     
  4. dddman

    dddman Master
    Builder

    Joined:
    Mar 2, 2014
    Messages:
    433
    Likes Received:
    152

Share This Page

  • About Us

    The OpenBuilds Team is dedicated helping you to Dream it - Build it - Share it! Collaborate on our forums and be sure to visit the Part Store for all your Building needs!
  • Like us on Facebook

  • Support Open Source FairShare Program!

    OpenBuilds FairShare Give Back Program provide resources to Open Source projects, developers and schools around the world. Invest in your future by helping others develop theirs!

    Donate to FairShare!