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Type: Posts; User: Karl Robbers

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  1. Replies
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    I apologise as my comments were not directed at...

    I apologise as my comments were not directed at you personally, but toward the Youtube creator who really should not be posting weldng instructional videos if that is the standard of his knowledge...
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    Boy oh boy, where to begin. That Youtube link...

    Boy oh boy, where to begin.
    That Youtube link was excellent viewing, it showed just about every possible thing NOT to do if you want to produce a remotely quality weld that will hold more than it's...
  3. I'd agree with what's been said regarding MIG...

    I'd agree with what's been said regarding MIG welding the holes up. While a Copper block is the best option, Copper is rather expensive and not as easily available as some other options. A bit of 6...
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    On the subject of the ceramic gas diffuser in...

    On the subject of the ceramic gas diffuser in Binzel mig guns. If it is cracked or badly damaged and you have no replacement, you are better to remove it totally than to try and continue welding as...
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    I'd certainly agree that Bernard has been...

    I'd certainly agree that Bernard has been elevated to a place way above their rightful status.
    On the subject of Tweco No.4 guns, mileage varies. I love the heavy duty style nozzles (Tweco 5 style...
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    Issue 3 is a non issue as any mig nozzle will...

    Issue 3 is a non issue as any mig nozzle will become live if spatter builds up, even the Bernard guns which have an insulator in the nozzle (only goes part way inside the nozzle) will arc out the...
  7. Thread: Confusion

    by Karl Robbers
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    1,168

    The warning regarding additives only applies to...

    The warning regarding additives only applies to aromatic solvents or additives, the MSDS confirms that Permatex No.1 is fine with ethylene glycol etc.
    Haven't used the No.1 as much, but I do love...
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    Extra details would be good to confirm the exact...

    Extra details would be good to confirm the exact machine you are referring to. The Fabricators that I've used were well over 270A capacity but they were also some of the sweetest ru ning machines...
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    While that is certainly true, I think the fact...

    While that is certainly true, I think the fact that he never forgave himself for that debacle speaks volumes regarding his character.
    It is very easy to look back on past battles and decide that we...
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    Gotta love the occasional win, they offset the...

    Gotta love the occasional win, they offset the crying in the beer moments caused by the crisp crack of end mills, drill bits and taps in awkward places :U
  11. I might well be wrong, but part of the answer...

    I might well be wrong, but part of the answer will possibly relate to the reasons why you want to replace the single phase with 3 phase and a VFD. I'm guessing that if speed control is the reason or...
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    Apologies, I stopped the story a bit short there...

    Apologies, I stopped the story a bit short there didn't I.
    Working from a scissor lift is fine and a really good option in fact, the problem in this case is not one of the sparkies was compliant...
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    During my time working underground and as a...

    During my time working underground and as a Health and Safety Rep for my crew in that same environment, I found that working at heights was the hands down toughest area to change behaviours in. Old...
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    First, let me commend you for actually thinking...

    First, let me commend you for actually thinking that far ahead as so many think that incidents only happen during paid employment. Can I ask one question? Now you may well have covered this and in...
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    They make them in No2 phillips as well, just...

    They make them in No2 phillips as well, just search for GFB-308-B on that same site and it will come up.
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    I reckon it could be well worth a try. Sent...

    I reckon it could be well worth a try.

    Sent from my SM-N976B using Tapatalk
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    Negative rake is definitely the geometry for...

    Negative rake is definitely the geometry for circular saw blades, however from memory our bandsaw blades looked to be the same geometry as you would use for wood..
    If you could find a suitable...
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    To add a little to the comments surrounding the...

    To add a little to the comments surrounding the propensity for aluminium to adhere to teeth, it has been my experience that the finish on the tooth has quite an effect on this phenomenon. Having...
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    Not that I'm an authority on slitting saws, but...

    Not that I'm an authority on slitting saws, but I've cut a lot of aluminium with TCT circular saws, woodwork bandsaws and also grinders with 1mm discs. As we all know, aluminium expands far more...
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    The manual has gone to Silversprings.

    The manual has gone to Silversprings.
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    Hercus parts manual

    I don't know a great deal about Hercus lathes, but I've managed to rescue a parts manual for a Hercus lathe from the current purge we are enduring at work. There appears to be no specific model...
  22. I like it. Sounds like you hate unnecessary...

    I like it. Sounds like you hate unnecessary bending over as much as I do.
    It wouldn't take much to set coolant up on that bandsaw now.
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    Even relatively small stress raisers can have big...

    Even relatively small stress raisers can have big implications.
    In the Late 90's a well known maker of heavy trucks made a change to the 20mm thick plates on the ends of the crossmember that...
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    They certainly can exclude claims where the end...

    They certainly can exclude claims where the end user has either caused damage or caused an out of adjustment condition. In the case that Davekwok has posted about where we have an end user with...
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    The best advice I could give you now would be to...

    The best advice I could give you now would be to stop pulling things apart and pick up the phone and ring Machinery House. The more you fiddle, the less likely they are to honour any warranty claim...
  26. It's no big drama to remove that oxide tint by...

    It's no big drama to remove that oxide tint by repolishing the stainless sheet. Your easiest way will be to remove any burrs with a file, taking care not to physically damage the mirror finish with...
  27. I freely admit that I have a bias toward as large...

    I freely admit that I have a bias toward as large a machine as I can get my hands on, but that really doesn't look like enough machine for the money to my eye. I guess if you were a dedicated model...
  28. Many thanks for the great detective work...

    Many thanks for the great detective work Snapatap. I have spent hours over a period of time Googling to find some (any) information on these pesky blighters. They are an interesting little device...
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    You are dead right there and the price of F...

    You are dead right there and the price of F trucks, Rams and the like are such that they are within reach of the average American. The laws are so different when compared to Australia and in several...
  30. Thanks for that, Googling using the designation...

    Thanks for that, Googling using the designation stamped on the brings up nothing other than a photo of a larger version, but following that link leads you to a website with various carbide inserts,...
  31. Without being nasty, none of the welds pictured...

    Without being nasty, none of the welds pictured are what I would term marvelous and they all seem to have an awful lot of spatter around them.
    When you weld and run out of electrode, you have three...
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    I'd pay money to watch the circus. The average...

    I'd pay money to watch the circus. The average punter has enough trouble backing the good old pig trailer let alone a dog trailer, particularly when you factor in the less than ideal location of the...
  33. Help wanted identifying carbide insert

    I have an old Carboloy FEM 20S indexable end mill that takes triangular inserts of a type that I am having trouble identifying. The inserts would be 3/8 IC and the relief angle is 0 Deg on the...
  34. That is a fair point, however a large part of the...

    That is a fair point, however a large part of the shear strength in many bolted joints comes from the friction caused by the mating surfaces being held tightly together by the forces acting as a...
  35. I'd agree with that, with one qualification, that...

    I'd agree with that, with one qualification, that being that there is no point putting a Grade 5 Nyloc (or any other type for that matter) nut on a grade 8 bolt and expecting it to do it's job. Very...
  36. With the best of intentions, can I point...

    With the best of intentions, can I point something out to you Gazza? You've tried quite a few things in your welding, fabrication and machine work journey with varying levels of success. Along the...
  37. I've seen lots fitted to trucks and other more...

    I've seen lots fitted to trucks and other more severe applications where the nyloc nut has mushroomed on it's contact surface thus leading to a loose condition and seen many stripped both during the...
  38. There are four things that I absolutely,...

    There are four things that I absolutely, positively hate when dealing with bolting up components that need to stay in place and are under load.
    1, Spring washers.
    2, Mild steel bolts, (it's worth...
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    My choice would be rewinding the motor you have...

    My choice would be rewinding the motor you have and using a VFD I think. Second choice would be to source a flange mount 3 phase motor, possibly a 3Hp unit and extend the shaft as required and then...
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    I'm not saying you're wrong as you generally have...

    I'm not saying you're wrong as you generally have your ducks well and truly in a neat row, but would a VFD offer the required speed range? I don't know as I have never played with them, being lucky...
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    I was under the (possibly incorrect) impression...

    I was under the (possibly incorrect) impression that Kondia FV-1's had 2Hp motors on the step pulley variant and 3Hp on the variable version, so you may be dropping 50% over stock.
    I take it that...
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    That's certainly an option, but you'd want a damn...

    That's certainly an option, but you'd want a damn good tilt tray operator and a not too high center of gravity. I've worked with quite a few tilt tray operators through work and there is only one,...
  43. Slow down Gazza, 900 RPM is a bit fast for a 26mm...

    Slow down Gazza, 900 RPM is a bit fast for a 26mm Carbide holesaw in steel, every reference I can find lists 600 RPM as the maximum and in your case running slower will be likely cut faster and...
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    I don't know exactly what you are doing and the...

    I don't know exactly what you are doing and the pressures that may be involved, but I will say this. Brass fittings are normally designed for pressures sub 300PSI (yes, there certainly are some that...
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    I can't quite tell from the photo, but are those...

    I can't quite tell from the photo, but are those fittings brass? If so I'd advise swapping them out for steel fittings as 1400PSI is stretching the friendship for brass elbows etc.
    As far as...
  46. A magnetic base drill is no substitute for a...

    A magnetic base drill is no substitute for a drill press. Ask yourself what type of work you will do most of and then choose wisely, considering what the chosen machine can and cannot do. Things...
  47. It is very easy to get carried away with specs. ...

    It is very easy to get carried away with specs. All the drill presses you have linked to are nothing more than entry level machines in my opinion. Hare and Forbes are notorious for inflating the...
  48. That could achieve the desired reduction ratio,...

    That could achieve the desired reduction ratio, but I'm not at all keen on relying on a friction drive like that to transmit the drive force, but even more so the braking resistance.
    Gazza, you...
  49. The definition of 1 horsepower is 550 Ft/Lbs per...

    The definition of 1 horsepower is 550 Ft/Lbs per minute as that was the amount of work that an average working horse could consistently perform over a full shift. Voltage has no bearing on the...
  50. There are a few issues with 240VAC in your...

    There are a few issues with 240VAC in your application, apart from the motor characteristics, (particularly if you want to reverse motor direction), 240VAC brings about several safety issues...
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