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Type: Posts; User: implmex

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  1. Replies
    68
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    6,176

    Hi GregSY: You really need to find the distance...

    Hi GregSY:
    You really need to find the distance from the pitch plane of the rack to the axis of the pinion.
    So the pitch plane is the plane where the rack tooth is the same width as the tooth...
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    6,176

    Hi again GregSY: You wrote: "I ordered a 12"...

    Hi again GregSY:
    You wrote:
    "I ordered a 12" piece of pinion wire from McMaster..it'll be here tomorrow. I plan to cut off a piece about 3" long, turn down the end to provide the 'snout' that...
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    6,176

    Hi again GregSY: So what kind of equipment do...

    Hi again GregSY:
    So what kind of equipment do you have at your disposal to do this job with?
    I assume a manual mill like a Bridgeport and some kind of turntable or dividing head.
    Is that correct?...
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    Hi EmanuelGoldstein: You wrote: I can tell you...

    Hi EmanuelGoldstein:
    You wrote:
    I can tell you this much...the bore stays at 28MM all the way past the teeth. This means the bottom of the rack teeth are in line with the 28mm plane. The rack teeth...
  5. Replies
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    6,176

    Hi Peter from Holland: Since he has the rack he...

    Hi Peter from Holland:
    Since he has the rack he can just measure the flank angle of a tooth; it will obviously be the same as the pressure angle.
    In his first post he said it was 60 degrees...
  6. Replies
    68
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    6,176

    Hi GregSY: Since you have the rack, you have the...

    Hi GregSY:
    Since you have the rack, you have the best possible place to determine the geometry of your pinion too.
    You can get all sorts of useful information from it.
    First, establish how many...
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