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I Forge Iron

Bandsaw and Gear Reducer?


JHCC

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I see what you mean, and I'm considering something along those lines. However, this also needs to have some kind of quick-release mechanism, so I can shift the belt from one motor to the other with a minimum of fuss.

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Leave the threaded rod stickout short and have an appropriate sized socket drill bit in a little bag pinned to the frame? That's what I do for my break-down workbench and it's really nice if you always have a cordless drill somewhere nearby.

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  Come to think of it after I drew this one, just do away with the all-thread assembley and the one of the hinges and just use a rubber tipped toggle clamp.:wacko:   Sorry for the sideways picture.   Quick change and stability!

20210122_154517_compress4.jpg

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I've been thinking about something that doesn't require tools, and I will definitely add this to the "possibilities with toggles" mental file.

I've been listening to a lot of Adam Savage's "Tested" videos lately, and he talks a lot about "First Order Retrievability" for his tool storage: the idea that you shouldn't ever have to move one tool in order to get the tool you want. In thinking about a lot of the processes of my shop, I've realized that a lot of the things that I never get around to doing are things that I've unwittingly made more difficult for myself by setting them up in a way that requires additional steps to achieve the desired end. In this particular case, if I can reduce the motor switchover procedure to <release motor 1 lock> / <move belt from motor 1 to motor 2> / <engage motor 2 lock> without having to go fetch another tool from somewhere else in the shop (assuming I put it away in the right spot in the first place!), that means I'm much more likely to switch back and forth whenever I want to rather than when I HAVE to.

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  • 1 month later...

Update: went to do some cutting yesterday (metal), and noticed that the blade had stretched sufficiently that I needed to retention the saw. Unfortunately, it seems that the tensioning mechanism isn’t working, and it was only sheer luck that the blade had been at the proper tension previously. So, I’ve got something else to take apart and fix.

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  • 2 weeks later...

Update: still playing with ideas for drive belt tensioning. In the mean time, I discovered an interesting (and easily solved, for once) little problem: the tensioning mechanism wasn't working. When the blade was new and I first rolled it onto the wheels, it just happened to be at the right tension. After it stretched out a bit, it kept bogging down, even though the motor, belts, and drive wheel were still turning just fine. After a futile attempt to tension it, I took the upper wheel mount apart and discovered that the slide on the tensioning mechanism was jammed. A bit of oil and some steel wool to remove a bit of rust, and we are back in business.

In other news, I just ran across this ad in my local FB marketplace, where it looks like someone decided to go the jackshaft route:

No photo description available.

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  Much appreciated.  I know it's a bit like comparing the price of tomatos to potatos but it gives me an idea where to start.  I must say I undervalue some things horribly.  Maybe it's my geographic area.... :)

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Update: the blade was still bogging down after I fixed the tension mechanism. Further examination revealed that the setscrew holding the drive pulley in place had come loose, allowing the pulley to spin when the saw came under load. A few twists from an Allen wrench, and we're back in business.

In other news, I did my first switch from metal to wood, which went quite well. The only issue that presented itself was that the stand has too much flex in it, and the higher speed was making the whole setup wobble in an unsettling kind of way. I guess I need to build a new stand, which means I'm glad I didn't invest too much time in figuring out a tensioning mechanism!

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  • 2 weeks later...

Aaaaaaaaand we’ve got problems. 

I was cutting some 1/4” plate when everything stopped dead. I went to check the box, and sure enough, that breaker was tripped. Clicked it back over, went back to the shop, and nada. There’s power in the circuit (I tested it with the grinder) and I can hear and feel the motor humming, but the output side of the gear drive is locked up solid. 

I’ll probably have to take the reducer apart to see what’s going on, but it’s too nice a day to get bummed out about this now. I’ll set it aside to fix some other time. 

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  • 2 months later...
  • 3 weeks later...
Posted (edited)

Everyone have good bandsaw,

I'm just checking for the Rikon, Its looks good after checking [commercial link removed] about it. There are good vibes from there but i'm little bit of confused about it.

If any one using this than suggest something.

Edited by Mod34
Commercial link removed per TOS
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