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  1. WvPetegem

    Sleeve transition fit --> effect on ID tolerance

    Hello, Locking the sleeve with Loctite is a good idea. In that case I can choose a lighter transition fit (H7/k6). With 356H7/k6 there is a max. interference of 0.040mm and max. clearance of 0.053. In order have the sleeve's ID 340 within H7-tolerance (+0.057/0.000) after installation, I think...
  2. WvPetegem

    Sleeve transition fit --> effect on ID tolerance

    Hello JNieman, Post-assembly machining (line-boring) is what I like to avoid. We first like to line-bore the hub inner diameter 356H7 and then insert the sleeves with H7m6. This may make the inner diameter of the sleeve to shrink. I thought it shrinks the same as the interference of the H7m6...
  3. WvPetegem

    Sleeve transition fit --> effect on ID tolerance

    Hello, I am having difficulties selecting the correct tolerances for a sleeve (stationary bush) which will be fitted (with a H7/m6 transition fit). Attached the situation sketch. Some fixed figures: Hub outer diameter: 700 mm Hub inner diameter: 356 H7 Sleeve outer diameter: 356 m6 Bush outer...
  4. WvPetegem

    Y/? start elecitrcal motor wiring

    Hi Carlos, Thanks a lot! What would be the effect when I wire the E-motor as per manufacturer diagram (compared to the original diagram)?
  5. WvPetegem

    Y/? start elecitrcal motor wiring

    Hi Carlos, You're right, the replacement motor comes from the Brazillian market. So if I understand you right, if I connect the lead U4-W4 as per original drawing, there is no chance that this harms the motor (e.g. starting CW in star, en then turning CCW in delta)? It may only affect the...
  6. WvPetegem

    Y/? start elecitrcal motor wiring

    It only allowed me to upload one file with the post. Hereby the other document (the original diagram).http://files.engineering.com/getfile.aspx?folder=a183971c-a11c-4d6d-b61a-181c4cc9bf41&file=AC_fan_motor_origineel.pdf
  7. WvPetegem

    Y/? start elecitrcal motor wiring

    Dear all, I hope you can help me out with following question related to the wiring of a 3-phase electrical motor with a Y/Δ starter. Originally I have a ABB motor (M2AA type) which is when switched in delta: V2 switched to U1 (via phase L1) W2 switched to V1 (via phase L2) U2 switched to W1...
  8. WvPetegem

    Scope of Work for overhaul E-motor

    Thanks guys, for all the useful info! It's clear to me. In general rewinding for a non-defective E-motor is not advisable (since costs will be increased).
  9. WvPetegem

    Standard overhaul specifications

    Hello everyone, I was wondering if anybody knows a leaflet/book/document wherein a number of standardized overhaul-works are specified. I can imagine that a lot of overhaul works (like for E-motors, hydraulic pumps, propeller/rudder arrangements, piping etc etc) described/specified in a...
  10. WvPetegem

    Scope of Work for overhaul E-motor

    Hello everyone. I was wondering if somebody could advise me what the 'standard' scope of work is for an overhaul of an 3-phase 400V E-motor (like type 225M). Renewal of bearings and cleaning of the coils are obvious; but should works like 'rewinding of stator/rotor coils' also be advisable? And...

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