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  • Users: janwan
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  1. janwan

    machining cut in Pro E

    I would like to create machine cut in Pro E that would mimic ball-- end cutter. I need to make "kind of helical sweep", just like on a lead screw but my "screw" does not have circular cross section but triangular and it is not straight but full donut. I created this geometry but it is very...
  2. janwan

    stepper torque interpretation

    I am trying to read the torque carve for stepper (pulse frequency vs torque). The curve is for half step (micro-stepping by 2), we are micro-stepping by 10. If my pulse frequency is 5000 do I check torque for 1000 (5000/5) or for 25 000 (5000 x 5). 10 microsteps by 2 microsteps = 5...
  3. janwan

    coupler

    Need some help with failing coupler. We have rigid coupler between ball-screw and a stepper motor. The coupler failed four times so far. Two times the clamping screw got loose and the shaft came out of coupler but two times coupler was sheared. This is a custom coupler made of Aluminum and I...
  4. janwan

    cleaning after laser cutting

    We are laser cutting flat gaskets from silicone rubber sheet. What is the best way to clean ashes from the edges of the gaskets. We were trying ultrasonic with DI water but results are not very promising. Any suggestions will be greatly appreciated. Die-cutting is probably better solution...
  5. janwan

    Starting Solidworks

    Whenever I start 2007 Solidworks I get the following "Failed to update the system registry. Please try using REGEDIT" After typing in RUN <REGEDIT> Solidworks opens without any problem Anybody had this before.
  6. janwan

    good thermal insulator

    I am looking for good thermal insulator material that can be machined. Flatness, parallelism, squareness are very important. The 2 x 1.5 x 0.5 inch block will be subjected to 200 lbs compression force distributed uniformly. The max temperature it can see, is 240°C. Any recommendations highly...
  7. janwan

    Silicone rubber and Nylon bonding

    Need to bond silicone rubber to Nylon. Any tips?

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