jamesp
Cave Dweller
Member since October 2012
Posts: 36,158
|
Post by jamesp on Jan 5, 2015 11:13:23 GMT -5
1/2 to 1 cup per pound of rock depending on grade of grit. It does not mention hard filler in the directions.
I have noticed the hard filler often vibrates to one side of the tube shaped hopper and leave the rocks unprotected.
Not sure how the rice hulls will effect the quantity of rocks that the hopper is made to hold.
The shifting hard filler is a concern. So will try rice hulls. Seems that they may shift too.
|
|
|
Post by captbob on Jan 5, 2015 11:21:01 GMT -5
Thinkin' that something that small would shift even more. Have you tried to prop up the end of the tub that the filler migrates towards to lessen the shifting?
|
|
jamesp
Cave Dweller
Member since October 2012
Posts: 36,158
|
Post by jamesp on Jan 5, 2015 11:37:53 GMT -5
Thinkin' that something that small would shift even more. Have you tried to prop up the end of the tub that the filler migrates towards to lessen the shifting? I sure have captbob. it simply raises the level of the rocks on one side of the tub, but leaves the size separation in tact. Don has the same problem with his. So he started using sugar. And mine did not start doing that till I changed the double belts. It uses two 50 cent o-rings for drive belts and they last about 4-6 weeks. Thinking one of the belts is stretchier than the other. So I switched the belts to no avail. so it must not be the belt tension. The right side rolls faster than the left side, and the big rocks walk to the faster rolling right side. The new vibe I am building has a shorter fatter hopper hoping for better mixing, but well may still be an issue. May have to change the right eccentric setting from the left. Don tried that and had no success. The Viking instructions are very thorough/detailed, and no mention of filler. But with such an issue, it seems the smaller rocks would separate from the larger rocks, filler concerns aside. connrock made mention of the rocks being smaller on one side over the other when first video was posted.
|
|
|
Post by captbob on Jan 5, 2015 11:52:03 GMT -5
Can you rotate the springs?
|
|
|
Post by captbob on Jan 5, 2015 12:12:48 GMT -5
Hope he changed outta his pajamas before he ran outside...
|
|
jamesp
Cave Dweller
Member since October 2012
Posts: 36,158
|
Post by jamesp on Jan 5, 2015 12:21:31 GMT -5
Can you rotate the springs? The springs are fixed in height. But where I may have screwed up was lining up the fixed weights. I noticed the fixed weights were off from each other by 15-20 degrees, So I loosened the right on and lined it perfect with the left on. It says not to move the fixed weights !! I figured the previous owner moved them, so I aligned them. It could be that the factory had it on a vibration analyzer and tuned it to be balanced left to right. There is a dent in the shaft where the set screw was clamped down. So I can put it back. I will return the weight back and see if that fixes the balance issue. I want to be able to run filler. I mentioned this somewhere, but rice hulls are 20% opaline silica. Bamboo and horse tail rush also have high silica content. Horse tail rush also called scouring rush, old timers used it to clean(scour) pots and pans since it is abrasive. the Viking menu for obsidian: 120 grit, no rice hulls 320-400 graded AO 1 cup rice hulls per 4 pounds rock 600 AO graded 3/4 cup r h per pound of rock Polish 1/4-1/2 cup r h per pound of rocks Times given too. Rice hulls $29 for 50 pound bale.
|
|
|
Post by captbob on Jan 5, 2015 12:28:18 GMT -5
Springs wear out. A spring with less (you're the engineer, what's the word?) "springyness" in it might allow the load to shift it's direction.
Hope it's something as easy as the weights were in the incorrect place!
|
|
jamesp
Cave Dweller
Member since October 2012
Posts: 36,158
|
Post by jamesp on Jan 5, 2015 15:47:07 GMT -5
Springs wear out. A spring with less (you're the engineer, what's the word?) "springyness" in it might allow the load to shift it's direction. Hope it's something as easy as the weights were in the incorrect place! I put the weight back, problem solved. It was set offset that way at the factory, there were no set screw mark where perfect alignment occurred. The batch formed a hole opposite where the big rocks collected, the big rocks started falling in the hole. So it caused a vibe from left to right, bunching the rocks up on the right side, making a hole on the left.
|
|