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  • Users: Alan12345
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  1. 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...
  2. 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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