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Type: Posts; User: Nmbmxer

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  1. Replies
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    For what it's worth we laser cut from T1 some...

    For what it's worth we laser cut from T1 some similar sized / loaded crows foot wrenches. Usually from 5/8" as it cuts better for us. We make the hex a little swoopy and relieve the corners, it...
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    I made a bookmark on my iPhone for PM new...

    I made a bookmark on my iPhone for PM new messages: https://www.practicalmachinist.com/vb/search.php?do=getdaily&refresh=2
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    Does it have holding valves for hose break...

    Does it have holding valves for hose break protection on the bucket? Most construction equipment doesn’t, aside from cranes and man lifts.
  4. I tried rain-x plus a homemade air knife. Would...

    I tried rain-x plus a homemade air knife. Would have probably worked a lot better with a real air knife.
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    You don't have the 72t change gear for the WEBB...

    You don't have the 72t change gear for the WEBB do you?
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    You don't see a lot of swiveling pintle hooks...

    You don't see a lot of swiveling pintle hooks without also having a (coil or air) spring, those reduce the clunking. Military lunette rings often swivel as they are round and threaded, a lot of the...
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    Grease is likely to attract contamination and...

    Grease is likely to attract contamination and increase wear.

    Teflon bearings, and other Teflon impregnated plastics, work by transferring material from the bearing onto the running surface of...
  8. I wouldn't want it to stop on 0.0000, then your...

    I wouldn't want it to stop on 0.0000, then your DRO has to be zeroed off the edge of the part. I think a simple limit switch would be so much easier. Design your switch so it has minimal pretravel...
  9. Usually it’s the metering orifices than clog, you...

    Usually it’s the metering orifices than clog, you can take the oil lines off the manifold and see if oil comes out. Both of my boss and the v2xt had bad metering orifices. They can’t generally be...
  10. Might be a servo tuning issue, any overshoot...

    Might be a servo tuning issue, any overshoot would have that effect if it was less than the total mechanical backlash. How much backlash do you have? I'd look at your tuning, the drives on my...
  11. If it can cut inch threads then I wouldn’t worry...

    If it can cut inch threads then I wouldn’t worry about it, stick a DRO on it and the handwheel graduations it won’t matter. The ballscrews on my manual Bridgeport are metric and it doesn’t have...
  12. Budget? The WABECO looks pretty nice for a...

    Budget?

    The WABECO looks pretty nice for a mini-lathe. If you accept leadscrew reversing for threading then I don't know that it's much different running a metric lathe w/ metric screws than an...
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    Are area moment of inertia for a 1.25” sq is...

    Are area moment of inertia for a 1.25” sq is .203in4, a 1.25” round is .120in4, a ratio of 1.69. The ratio of ys is about 1.67 so I’d think it would be about the same force to bend the material.
  14. Did you check both sides of the part for...

    Did you check both sides of the part for flatness? There were likely some internal stress that were relieved when the shaft was split and it may have warped. If you clamped in down and faced it it...
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    I prefer a CXA with oversized holders to a CA...

    I prefer a CXA with oversized holders to a CA personally, the smaller size gives more clearance around the tailstock.
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    If you are just modifying a bushing and not...

    If you are just modifying a bushing and not messing with the ID, I would either use an expanding mandrel, or since the ID is pretty large, softjaws turned to grip the ID.

    Seems easier to do them...
  17. Thread: "fractal" vise

    by Nmbmxer
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    4,626

    Lol ten characters

    Lol ten characters
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    How big of a chuck is it?

    How big of a chuck is it?
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    My dad never had a lot of tools, mostly...

    My dad never had a lot of tools, mostly woodworking stuff that we bought him for presents. In HS we'd use his stuff to make lots of ramps for skateboards and BMX. Then my mother convinced him to buy...
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    I tapped the OD of the soft jaw, here is a crude...

    I tapped the OD of the soft jaw, here is a crude picture:

    323430
    Once you get all 6 capscrews in just snug them in pairs and it preloads the jaws out just like clamping something.
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    I have an orange HF lo pro jack...

    I have an orange HF lo pro jack with a two speed pump, I really like it. It's sat outside for years with no issues. I don't get under loads supported by jacks, period. When it starts drifting I will...
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    I would make a ring with 6 thru holes radial thru...

    I would make a ring with 6 thru holes radial thru it, then tap holes in the OD of each jaw. Set the chuck to the diameter you want, put the ring over the jaws and run a cap screw into each jaw to...
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    I’m going to assume you’ve got an M16, or at...

    I’m going to assume you’ve got an M16, or at least an sbr, other wise you just replace it. M16’s getting rewelded is pretty common.
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    There should be a recycling symbol on it...

    There should be a recycling symbol on it somewhere that will tell you the material. A hot air welder should be able to fix it if you can get some compatible plastic for the patch. I’ve repaired a lot...
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    I have a hard time moving a 20ft stick...

    I have a hard time moving a 20ft stick personally, I’ve used a cordless portaband lots of time. Pay and carry the stick over to my trailer, nip it in half and in it goes. No one has ever said...
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