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  • Users: Mr168
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  1. Mr168

    What is guaranty in welding electrode datasheet?

    They're just stating what their self-imposed limits are for that particular product. It does not necessarily have to align with the table, the manufacturer is being more stringent with their chemistry than what A5.5 allows.
  2. Mr168

    Welding ASTM A706 Grade 80

    When using an unlisted material, you fall into 1.1 of D1.4, i.e., the Engineer/contract documents must stipulate what the acceptance criteria and qualification requirements are. This will likely be driven, at a minimum, by the intended design usage per Table 4.1, with the caveat that the...
  3. Mr168

    Washer to fill a countersink?

    Tmoose - QTY <=2 As I gather this is not a standard/known product, I will either drill out and bush the hole, or just do as HotRod suggested and drill through a screw head to make a spacer. Thanks all for the replies.
  4. Mr168

    Washer to fill a countersink?

    I'm hoping to avoid having to machine the spacer. A nicely machined spacer is provided with the part that affixes to it, and would be too short if I had to turn a taper on it.
  5. Mr168

    Washer to fill a countersink?

    I have a bracket that currently fastens using a pair of 3/8-16 flat head socket cap screws with what is presumed to be the standard 82 degree taper, so the bolt holes on the bracket are countersunk. I need to mount a spacer to the face of the upper bolt hole, and need a flush/flat surface to do...
  6. Mr168

    Bonding Carbon Fiber Airfoil Halves

    Thanks, berkshire. I had not given any consideration to forming an interior flange after the fact with CSM or similar. I had initially dismissed it on the basis that I couldn't form an interior flange with the initial layup due to geometry limitations with the vacuum bag. And as you noted, it...
  7. Mr168

    Bonding Carbon Fiber Airfoil Halves

    I have a small extruded airfoil I am looking to duplicate in carbon fiber (amateur garage setup). It is 6 feet in length, but with only a chord length of about 2 inches. I am looking at duplicating using a two part mold and wet layup with vacuum bagging (for the sake of this discussion, I am...
  8. Mr168

    Minimum fillet weld - light gauge steel

    AWS D1.3 covers the welding of sheet steels < 3/16" to structural members.
  9. Mr168

    Pens for markups

    Used to like the Pilot G-2's, and then they changed something a few years ago that made them feel "scratchier" when writing. Have since switched to Uni-Ball Signo pens instead.
  10. Mr168

    I'm stumped with Super Duplex!!!!

    What was your interpass temperature?
  11. Mr168

    Job application/Job interview process too slow in big companies??

    I've never waited more than two weeks to hear back from a company that had any legitimate interest in hiring me. It should also be noted that posting certain positions publicly is in many cases nothing more than a formality for them to promote/shuffle current employees around within the...
  12. Mr168

    2.18.2 in D1.1 2015

    You are correct, with the caveat being that "practicable" can be very broad-reaching. Welder access, weld volume/distortion, etc. can all make a V/U-groove "impracticable" by the Engineer's discretion.
  13. Mr168

    Failed Impact Tests

    They're bad, but consistent. You're cold enough that you'll need to be selective with your starting base material for acceptable values.
  14. Mr168

    How to design welding drawing

    In the US, AWS A2.4 is the standard for weld symbols that most of the codes I'm familiar with steer you back to.
  15. Mr168

    Has anyone been through a merger or acquisition?

    The closer your hours are to 100% billable, the better your likelihood of survival. With my current company, I've had 2 buyouts and 5 name changes/reorgs. In most cases, big cuts at mid-upper management level, with worker bees largely unaffected other than benefit changes, training, etc...
  16. Mr168

    Problems with coworkers

    Agree with the others - age deltas are a poor excuse. My former boss and current coworker is 28 years my senior, and ended up being the best man at my wedding. One of the strong points of our professional relationship is the ability to take up arguments over a technical subject, even if we...
  17. Mr168

    Defining Moments in Your Career

    Meeting between four people - two senior field engineering managers, one VP, and myself, a very green engineer. Told them that their approach (hard copy vs. automation) wasn't feasible. VP blew up on me - both of us became red faced for very different reasons. He came up and apologized the...
  18. Mr168

    AWS D1.1 Table 4.5#34

    There are no official interps on it, but if you email AWS, it will be routed to the secretary of TG2 (qualification task group) who can obtain a much quicker informal interpretation. At least you'll have a response from "AWS" that way. You're interpretation is 100% correct, though. D1.1 only...
  19. Mr168

    12.5 Pipe wall thickness tolerances

    As metengr noted, you can order by min wall per the spec, which will guarantee a wall thickness equal to or greater than that specified. Any tolerance beyond this is a commercial issue, and would need to be specified and agreed upon in your purchase order with the supplier. Expect it to be...
  20. Mr168

    Practical limit to bump steer adjuster length?

    Thanks, Greg, hadn't considered the mesh on the R&P. After tearing apart the front end last night and removing the rack mounts, it looks like I can get the necessary clearance by relocating the rack mounts outboard (gives me an additional 1/2" by itself), lowering the rack within the limits of...

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