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  1. 2500CT

    MATERIAL AND HEAT TREAT FOR DOG CLUTCH

    NickiE thanks for the link this looks real interesting. I will investigate. Fabrico the damage is mainly on the face of the teeth. this mainly occurs when the dogs barely engage and the operator starts to rotate the shaft. This disengages the dogs violently. There is no way for the operator to...
  2. 2500CT

    MATERIAL AND HEAT TREAT FOR DOG CLUTCH

    Fribico, the thin oil is used so that it does not resist the shifting that takes place between the shaft and the housing.
  3. 2500CT

    MATERIAL AND HEAT TREAT FOR DOG CLUTCH

    arunmrao, I do not have the room to use sealed bearings. and the dogs engage quite often. I think carbide is to brittle. TVP, currently, I am using 4140 to a rc of 52. the 17-4 was recommended to me by a machinist. unclesyd, the S-7 might be the answer. 1 additional item I stated that the rpm...
  4. 2500CT

    MATERIAL AND HEAT TREAT FOR DOG CLUTCH

    kclime and tvp thanks for your help. The damage is mechanically induced. I am not married to 4140. What do you think of using 17-4 ph for one of the pieces and and using the nitrided 4140 for the other. It is not possible to filter the oil, but I have already introduce magnets to capture what...
  5. 2500CT

    MATERIAL AND HEAT TREAT FOR DOG CLUTCH

    I have a new product that involves a shaft passing through a housing. The shaft has external dogs on it. The housing has internal dogs. The design requires that the shaft slides forward and reward selectivley engaging and disengaging the housing. The shaft has the ability to rotate at 300rpm...

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