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Type: Posts; User: Rickyb

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  1. Replies
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    It is fairly simple. Paint will only stick to...

    It is fairly simple. Paint will only stick to metal if it is clean and has high surface energy. Something like etching, sanding, media blasting and high temperature oxides give high surface...
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    A significant factor for 3 or 4 jaw is the...

    A significant factor for 3 or 4 jaw is the looseness of the jaws. Specifically in what I will call the z direction in and out of the face along the spindle axis. This allows the jaws to rotate out...
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    Or the Cadillac version, PCD.

    Or the Cadillac version, PCD.
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    If these are ball bearings you can shop for them...

    If these are ball bearings you can shop for them by the dimensions that you have. The manufacturer is not relevant. Watch the prefixes on the part numbers so you can avoid sealed bearings. Too much...
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    A bit out of my realm here, but would a bearing...

    A bit out of my realm here, but would a bearing collet nut help? It should reduce the twist force significantly. I use it exclusively on my er40s but don't know if it's available in the 20 size.
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    Basically every reply on force needed is wrong....

    Basically every reply on force needed is wrong. It has nothing to do with UTS, yield or shear strength. It is totally and only dependent on the flow stress of the material at the temperature you are...
  7. Can't help with a brand but highly recommend a...

    Can't help with a brand but highly recommend a second lathe. Saves on setups or if you need to make a part for the big lathe.
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    You will need an end mill to create a flat...

    You will need an end mill to create a flat surface for the drill to start. Set the part in a vice in the position to drill the hole. Use an end mill in the chuck to plunge into the angled surface...
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    Deflection difference will be a factor of about...

    Deflection difference will be a factor of about 15 not 2. Look up round bar deflection calculation. It calculates for you.
  10. No problem at Rc37. Heavy truck steering...

    No problem at Rc37. Heavy truck steering knuckles are Rc 30 to 37 and have broached and cut key ways.
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    Plate Engraving Corp in Medina OH is the is USA...

    Plate Engraving Corp in Medina OH is the is USA Kuhlmann rep. 330-239-2155. They should be able to help. I have not contacted them in a number of years and assume they are still there. They gave me...
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    Oops, had my blinders on. No excuses to offer.

    Oops, had my blinders on. No excuses to offer.
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    Maybe, but yours may well be welding of the...

    Maybe, but yours may well be welding of the surfaces due to fretting. Regardless, the best way to remove a chuck from a Jacobs taper is to drill a hole through the bottom of the chuck and use a...
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    Definitely the post of the day. Thanks, I needed...

    Definitely the post of the day. Thanks, I needed the laugh.
  15. Thread: Table stones

    by Rickyb
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    858

    This is a job for precision stones. Those norton...

    This is a job for precision stones. Those norton stones you reference made flat in a surface grinder using a diamond wheel. These are very flat and will only remove burrs and crud. You will need a...
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    It is perfectly normal. You need a second stone...

    It is perfectly normal. You need a second stone to rub it against. The chips will imbed out of harms way.

    You should be using precision ground stones to assure you are only taking high spots...
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    Yes, but improved fatigue resistance in a round...

    Yes, but improved fatigue resistance in a round about way. There is no fatigue resistance difference between equally stressed long and short bolts. The difference comes in the assembly.
    A...
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    My Clemens Recycling will allow you to "shop...

    My Clemens Recycling will allow you to "shop around", never saw any type of machines there. There are two yards in Howell you can call to see if they ever get any machines.
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    Bearings generally wear on the roller ends where...

    Bearings generally wear on the roller ends where they rub against the shoulder that restrains them. The rollers are also very lightly crowned and will also wear.

    Take a look at the roller ends. ...
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    I just watched the video. Lots of 1/2 truths and...

    I just watched the video. Lots of 1/2 truths and misinformation.

    Basically if your tool has retained austenite in the heat treated structure, cryogenic treatment can convert that to martensite....
  21. Doctors do scare you into using a cpap. "She...

    Doctors do scare you into using a cpap. "She stops breathing 125 times per hour". I told him that is bull $&@!. That is just not happening. I stayed up most of the night to monitor it. Then he...
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    I agree 100%. I am an engineer and would not...

    I agree 100%. I am an engineer and would not touch this project with a "14' pole". A little well intentioned info can end in disaster. An architect should be consulted.
  23. Delrin had been used in light and medium truck...

    Delrin had been used in light and medium truck steering knuckles from the 1950s or 60's. They would get pounded out of existence but were cheap and easy to replace. In the 80's Rockwell introduced...
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    Yep, king pin reamer to be exact. Longer section...

    Yep, king pin reamer to be exact. Longer section should be the pre-reamed bushing diameter. This aligns the cutter for the first bushing cut. Shorter section is the reamed diameter to pilot the...
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    In my blacksmithing days we used beeswax. Last op...

    In my blacksmithing days we used beeswax. Last op on any tool or ornament was to heat it up and melt the wax on it. If you want high tech use Tectyl 900 which is a mil spec oil/rust preventative. ...
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