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My Sayber Osg Build

Discussion in 'Grinders' started by JSweet, Feb 28, 2018.

  1. JSweet

    JSweet New Member

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    So after falling onto this forum and reacquiring my interest in making knives. (Life got hectic) I found DanComs grinder plans. I went back and forth about just buying one or making one and went with the make one option. Not just because it should be a little cheaper but I've always preferred making something over buying it.

    I started by getting the drawing to a few metal cutting places for pricing and waited for the replies. In the meanwhile I went about picking up the motor, wheels and VFD. All from the same suppliers and specs as Dans build. (Just to keep it easy for me to follow along the plans and be able to ask Dan specifics as he's already completed the build).

    All the parts are in with the exception of the hardware. I was going to piecemeal it together with locally sourced nuts and bolts but caught a break on the cutting so I'll just purchase the lot from who Dan recommended having all the part codes anyway.

    A friend of mine works at a college that has a water jet so he says if I bring in the steel ($160) he'll cut it up for me. Lucky break as the cheapest price I got back was 450 with me supplying the material.

    So that's where I'm at so far.....

    I don't have whatever picture media thing is required to post pic's but if I have some time I'll try to figure one out and put a few up.
     
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  2. ToddR

    ToddR Putterer, Tinkerer, Waster of Time Staff Member

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    I'm slowly (very) getting materials together for a sayber as well. I'm horrible with electrical and have a question about the motor. I've sourced a kbac27d and I want a 2hp motor for it. I know I need tefc, 56c, 2hp but when I look I find some that are 230/460v or 208-230/460v. Is there a difference? I haven't ordered one yet because I'm really not up on electrical knowledge. Thanks in advance.
     
  3. JSweet

    JSweet New Member

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    I am very much like you and have limited experience with electrical, etc. i just sourced what Dan recommended and went with that. He was the resource i used up to this point. im sure you've read through his build post where the plans came from, those are what im going off. He (Dan) was really good about answering my questions. sorry i couldnt really help. Dan has a blog that has a ton of information i looked at as well regarding motors and electrics
     
  4. ToddR

    ToddR Putterer, Tinkerer, Waster of Time Staff Member

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    Thanks JSweet. I appreciate it. I have read just about everything Dan ever posted I think. He is awesome. My first grinder was one of his plans (he posted it in his gallery - sort of a small victory for me!) and my second will be too. I don't know what it is about electrical specs and electrical theory - i just have this roadblock in my head. I can understand and learn all kinds of different sciences and build and repair computers etc. but i can't figure out what kind of receptacle i need for a given job. It's strange.

    What motor and vfd combo did you find for your sayber? I'm going kbac27d for the vfd but the motor is giving me fits.
     
  5. JSweet

    JSweet New Member

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    Im hoping the wiring wont be that hard. I went with the MTRP-1P5-3BD36 from Automation Direct and also went with the KBAC-27D off ebay. If you get from ebay look into the upgraded shipping. I went standard shipping and got dinged with some stupid brokerage fees. My garage is only equiped with the standard wall socket 110v so thats what im working with. I may look into upgrading in the future as i must have tripped the fuse a half dozen times over the weekend running a planer and shopvac. So frustrating.
     
  6. ToddR

    ToddR Putterer, Tinkerer, Waster of Time Staff Member

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    thanks Jsweet. I do recall reading that the Kbac had a maximum HP of 1-1/2 for 110V i think. THis is s decent price. I think i'll buy it, i'm tired of looking : ) (plus this way if i have a problem, i know at least one other person who's brain i can pick : )
     
  7. dancom

    dancom Dust Maker Best Shop Tool

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    You'll be alright with these products. I have the 1.5 hp (4 pole) motor and a KBAC-27D running on my 9" disc. This setup can run full hp on either 120 V or 240V.

    The two pole for the belt grinder will be whizzing and you'll be on good terms with the power for sure.

    I have added some pages to my blog explaining how to install a main power switch and how to install a forward/reverse switch on the KBAC-27D VFD.

    Email me: knives@dcknives.com too if you need some more info.

    Dan
     
  8. JSweet

    JSweet New Member

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    thanks Dan. i will be hitting your email up with questions no doubt. got the parts back from the water jetting. not bad for free. ill need to file off some little tabs that were left on but im happy with what i got. saying that lets see how they all line up before i get to ahead of myself. thanks again.
     
  9. ToddR

    ToddR Putterer, Tinkerer, Waster of Time Staff Member

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    Yes, thanks a ton Dan. You are always very helpful to us beginners. I am still waiting for my waterjetting to be completed but working on rounding up parts. I want to get this together before the nice "outdoor" weather hits. I'll be forced to do actual outdoor work then : )
     
  10. JSweet

    JSweet New Member

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    Im in the same boat. Furniture in the warm weather when i can have both sides of the garage and knives in the winter when i can only use my half. And all the outdoor work as well.
    i ordered the hardware from your list from Mcmaster Carr yesterday and it arrived today. The shipping was very reasonable as well. Im pretty sure they have a location in Etobicoke so the turn around time was amazing. I should be able to get to cleaning up the parts i got back then drill, tap and countersink some holes by the weekend.
     
  11. Falcon Forge

    Falcon Forge New Member

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    I started the exact build as well. I chose to model it all in solidworks as I have been quite sick and layed up. Once I figure out how to add photos here I will post them cheers all
     
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  12. dancom

    dancom Dust Maker Best Shop Tool

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    McMaster-Carr is virtually overnight shipping across the continent. I don't know how they pull this off, but they do over and over again. They may seem expensive when you look at strictly at fasteners and shipping, but if you can get everything you need without driving around town, they have my business. I could easily spend 3 hours calling and driving from store to store to store getting parts that I need.

    Digi-Key is another company that blows my mind in the same way. They are electrical suppliers https://www.digikey.ca/ $8.00 flat rate shipping and it arrives then next day. I love these service models.

    Dan
     
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  13. ToddR

    ToddR Putterer, Tinkerer, Waster of Time Staff Member

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    Did you find that you had to purchase huge amounts of some of the items when you only needed a few? I was looking into that problem. Trying to source some locations where i could buy only one or two of the whachamacallits instead of a whole box. Some stuff i don't mind having extras of. I'm jealous now. I'm far behind : )
     
  14. JSweet

    JSweet New Member

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    cant wait to see it mate. hope you get b
    i did have the same issue. i got lucky with the free water jet cutting of the parts so i parlayed those funds into the hardware. i didnt even get to the sourcing the hardware bits and pieces i was dreading it. As was offered to me and if you can wait a little while i can see what i have left over and forward it to you if you cover the postage. As far as i can tell from what i have it will be the screws and some bolts.
     
  15. dancom

    dancom Dust Maker Best Shop Tool

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    I have been able to get a few bolts from my local Home Depot. They have zinc and stainless in most common sizes. It's of course expensive, but when you only need a few of something, a place like Home Depot may be the right place for you. Out west we have Peavey Marts. They sell fasteners by the kilo. Grab a bag and grab whatever you need, bolts all sizes, washers, nuts etc. and they weight it at checkout. No writing down part numbers and quantities.


    Dan
     
  16. dancom

    dancom Dust Maker Best Shop Tool

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    Hi Todd,

    Sorry I missed this post above. Three phase motors commonly say 208-230/460 V and some are simply 230/460 V. Three phase 208 V networks are popular in North America as it gives three 120 V to neutral. (208 / square root of 3 = 120.) As long as it has the 230 on it that's fine.

    The KBAC-27D has two horsepower ratings that depend on your supply voltage. Consider if you want to power the grinder with 120 V at any time in the future. If you think that would be handy, go for a 1.5 hp motor. If you're going 240 V all the way, then go for the 2 hp motor. This is the one I bought to go with my 4" drive wheel and I have been very happy with it. https://www.automationdirect.com/ad..._(0.33_-_3HP)_TE,_Footed_Rigid/MTRP-002-3BD36

    A few others in the Home Built Belt Grinder group are using KBACs with the Ironhorse motors without issues.

    For the receptacle, 240 V will require a NEMA 6 receptacle and plug. Common flavours are NEMA 6-15 (15 Amperes) and NEMA 6-20 (20 Amperes). Either of these will be suitable for powering the KBAC.


    [​IMG]

    The horsepower numbers I put on there are for direct on line motors. Again, either the 15 A or 20 A will be good for the KBAC running on 240 V. You will of course need the two pole breaker in your panel to power the receptacle.

    Hope that helps,

    Dan
     
  17. Mavix

    Mavix New Member

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    If some of you guys are having any trouble tracking down hardware I just put a big order into mcmaster carr so undoubtedly I'll have some spares kicking around for the sizes that only came in packs of 50 etc.

    I'll be picking it up today at some point, so I'll set aside what I need and whatever is left I can help you guys out with. Maybe I can put it in a separate post if that's easier.
     
  18. ToddR

    ToddR Putterer, Tinkerer, Waster of Time Staff Member

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    Thanks Dan. Great info. Much appreciated. Getting antsy now. The waterjet guy can't call me soon enough. SHould be early next week. Watch though, i'll get it and all the part together and my wife will decide that we MUST have that new whatever__pops_into_her_head now. As it is, i have to pour a big slab by the middle of april. I'm gonna get stuck staring at these grinder parts until october, i know it. >: |
     
  19. ToddR

    ToddR Putterer, Tinkerer, Waster of Time Staff Member

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    THanks Mavix. I appreciate the offer, really. But, too late for me. I only need a handful of the thumbscrew thingies now and i think the Home Hardware in town carries a bunch of oddball hardware. I'm sure i've seen them in there. I hope somebody else can make use of it. Reduce, reuse, recycle!!
     
  20. Tommy Glover

    Tommy Glover New Member

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    Hi JSweet
    Did your water jet guy ask you for the pdf files with the sizes on? I sent the drawing of the OSG 11 to a local shop and they say they need it in pdf with sizes to cut it for me. It also will be great if you have or know of that drawing in metric.
     

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