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About lorenzo

  • Rank
    Ten feet tall and bulletproof!
  • Birthday 07/21/1978

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Profile Information

  • Gender
  • Location
    Swift Current, SK
  • Location
    Swift Current, Saskatchewan
  • Interests
    maille and scale, armour and jewelry
  • Occupation
    President/CEO at MailleTec Industries Inc.
  • The year you started making chainmail

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11128 profile views
  1. lorenzo

    Types of Material

    Yeah, I hear ya, mine failed in the same way. I am looking into another welding system that seems to have potential, hopefully it works out well in our workshop. I don't want to get any hopes up but it looks like it could be a sub 1K machine that welds every metal from 24g-12g. If it does perform as advertised we might even start distributing them.
  2. lorenzo

    Types of Material

    Yeah, that's a tall order. Especially since it's very difficult both to anodize the rings after welding and to weld the rings after anodizing.
  3. lorenzo

    Types of Material

    My bread and butter for armour is stainless steel, we use about 20 tons of stainless per year. It's versatile, available in high quality, easy to work with and the cost is reasonable. It's hard to go wrong with stainless. I personally really like titanium alloys for the improved strength to weight ratio, but the cost and difficulty in manufacturing makes them impractical for most projects.
  4. lorenzo

    Types of Material

    It's very similar to niobium, heavier of course and a little softer. It also tends to be a little brighter and anodizes well. It works well for small AR jewelry as long as you're careful not to overstress the material. Unlike traditional jewelry metals it's not easily soldered for strength. It can be welded in an inert atmosphere similar to titanium or niobium.
  5. lorenzo

    Ready to go pump?

    Start with something cheap and simple, either gravity drip or waxing the coils. You might as well get experience with both really, then you can understand for yourself how they work and what the drawbacks are. That way, when you're ready to move on to something better you'll already have a good idea of what you want.
  6. lorenzo

    New to this looking for pointers

    You're welcome, I'm stuck covering the night shift this week so it's pretty boring. I hardly need any excuse to go do some "work related" research for an hour.
  7. lorenzo

    New to this looking for pointers

    That is probably why they used hammer and anvil, the last image indicates either that or direct hammer flattening, but then where are all the hammer flattened rings? So it would make sense to me. It's also possible that hammer flattening was more common earlier, since the tool marks have worn away on most early pieces it's impossible to say for sure. Another possible use is for repairs, if a customer brings in a shirt with only a link or two missing in my experience it's difficult to get normal rivet setting tongs in there. It's much easier to put the piece on an anvil and set the rivets with a hammer and punch. I think the 4th image I linked to might be of that sort of work happening since I doubt a customer would normally be waiting otherwise.
  8. lorenzo

    New to this looking for pointers

    The first five are later medieval from Germany. https://en.wikipedia.org/wiki/Chain_mail#/media/File:Fotothek_df_tg_0008481_Ständebuch_^_Handwerk_^_Plattner_^_Rüstung_^_Harnisch_^_Kettenhemd.jpg In this one I see tongs, shears, mallet and dies. https://hausbuecher.nuernberg.de/75-Amb-2-317-10-r Just tongs here. https://hausbuecher.nuernberg.de/75-Amb-2-317-103-r Tongs, hammer and anvil. https://de.wikipedia.org/wiki/Panzermacher#/media/Datei:Pantzermacher-1568.png Shears, mallet(?) drift(?) https://i.pinimg.com/originals/fd/34/c4/fd34c4f68fc62c6ee320d4edec2672b5.jpg Hammer, anvil and tongs. This last one is early medieval from England https://i.pinimg.com/736x/bf/bd/02/bfbd0276ebc39e65a7248db48de7ff83.jpg Hammer, anvil and tongs. I hope that helps.
  9. lorenzo

    New to this looking for pointers

    The quality of rings flattened with tongs is far higher. Based on my examination of dozens of authentic pieces in museums around the world there's no doubt in my mind that tongs or some other form of die were used most of the time. I've found no definite evidence for hammer flattening although it's very likely it was also used in some cases. The rings still require annealing between every step. Similarly there's not much serious debate between drifting and punching. Drifting is far easier and yields much stronger rings. Most of the authentic pieces I've examined were drifted where the process could be determined at all. As a rule of thumb welding is approx 4x faster than riveting for me, but I'm not very practiced at riveting. In any case welded rings are slightly stronger and more consistent. If you want historical accuracy though riveted is the way to go.
  10. lorenzo

    New to this looking for pointers

    Well I agree with Rob, no polishing compound for anodized Al, just some dry walnut or corncob. Rice or even sawdust works in a pinch too. If the factory finish isn't shiny enough the best bet is probably to try an automotive wax or other sealing agent rather than attempting to alter the anodized layer but either way is not ideal. Water is necessary for aggressive tumbling, it acts as your solvent and working fluid. The detergent is there as a surfactant to break surface tension and polarize all the little bits of contaminants. Remember that it's not just a physical process but an electrochemical one as well. In fact, the best finish I've ever achieved on mail was by ultrasonic cleaning and then electropolishing. The result was mirror finish rings but it's slow and limited to small batches. Ceramic media is generally not cost effective for what I do. I've used it in the past for jewelry and it worked well, but the amount you need to fill a 50 gallon tumbler like mine is ridiculous. Not to mention the man hours and logistical issues involved in separating hundreds of lbs of media from a similar weight of mail, it's a huge PITA. Pin shot is easier to separate and less costly but I find as long as the rings are pre-woven they burnish each other in all the necessary nooks and crannies. I do use it for the odd time that I'm tumbling preclosed loose rings. Deburring is all about the impact energy, you have to knock loose the oxides and peen down the metal projections. You can also add shot as ballast to small pieces for extra energy. Mason jars work for small stuff, light burrs or soft metals but the jar will break eventually so wrap it in fiber tape first to save your hands. For the worst burrs like welded or riveted stuff ceramic media in a rotary tumbler works well, it might be the best option for hobbyists doing small batches but the industry standard is acid.
  11. lorenzo

    New to this looking for pointers

    Tumbling is pretty much necessary for finishing mail, but what you use depends on the metal you're working with and what you're trying to achieve. Walnut shells in a vibratory tumbler will absorb oils and brighten up the finish a bit but if you want to really shine it up you'll need to add polishing compound. If you want to knock off burrs and smooth closures you'll need either an abrasive grit or move to a rotary process to get more burnishing action. Welded or riveted stuff requires a pretty aggressive acid or abrasive to remove oxides.
  12. lorenzo

    NHL Edmonton Oilers Beer Tab Chainmail Armour!!!

    Looks good. Shouldn't the name be MESSIER though?
  13. lorenzo

    Seeing what works for others

    They've definitely got the low end of the market covered. The high end of the market is pretty well covered by people like myself, knuut, mithrilweaver and Erik Schmid. That leaves the mid range market, which is where most hobbyists land and is more often about DIY projects than retail sales.
  14. lorenzo

    Seeing what works for others

    In my experience it's much easier to make a living with the jewelry side but I find the armour more rewarding. You'd have to get very good at armouring to compete with the options that are already out there.
  15. lorenzo

    Other types of armor

    The socks are for lumberjacks, keeps them from splitting their feet in half with an errant axe stroke.