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  1. Alan12345

    Why is there a magnet sleeve on the armature assembly shaft?

    Hello Bill - Part #3 is a speed controller but I figured it was controlled by the speed adjustment pot that connects to it. Maybe the magnet does serve some purpose in regulating the speed. I spoke with tech support and they didn't know the function of that part...
  2. Alan12345

    Why is there a magnet sleeve on the armature assembly shaft?

    I need to purchase a quantity of routers and in inspecting some I noticed that the name brand router has a magnet sleeve on the armature assembly shaft, while some of the cheaper clones do not have the magnet sleeve. What is the purpose of the magnet sleeve? It is only mildly magnetic, and sits...
  3. Alan12345

    Is heat causing runout on shrink fit tooling? 1045 vs H13

    Tried using oven. Didn't work even at 550F and end mills taken from freezer. The 1/4" made it in about 50% and the 5/16 barely went it. Looks like I need to experiment with the induction machine so temp is not too high but can keep the heat on during insertion of the end mill.
  4. Alan12345

    Is heat causing runout on shrink fit tooling? 1045 vs H13

    Ok, sounds like I'm using way too much heat, and too fast. I will try the recommended oven technique first and determine what is the min temperature needed to get the end mills to insert. If I still get distortion, then look into possible stress relief issues. Thanks for all the feedback!
  5. Alan12345

    Is heat causing runout on shrink fit tooling? 1045 vs H13

    @3DDave - No there was no stress relieving processes done. Can the material be stressed relived before any machining? @Compositepro / mfgenggear - I'm using a small coil about 2" ID. It heats the tool up pretty quickly and looks even. I have not checked the temp is is reaching when I insert the...
  6. Alan12345

    Is heat causing runout on shrink fit tooling? 1045 vs H13

    I made some heat shrink end mill holders to use on a small CNC machine. It appears that some randomly have too much runout after they are heated to insert the end mill. I'm using them to hold 1/4 and 5/16" end mills. Diameter of holder is about 0.59" with about 3/4" grip length on end mill. I...

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