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Hello all. I recently purchased a Vaniman Master Mobile ProBlast unit, supplied with a a Violet (1.5mm) tip and a 110-250μm media tank. My compressor is a 1.5HP 50L Hyundai HL5010LS, for which I can testify that it is slightly anemic, but I paid 150$ for a silent compressor so... My blasting cabinet is a ready, sandblasting one, made by a Polish company. Nothing special, just a nice airtight blasting box. Ventilation is still pending. Lastly, my whole set up has two water traps, one supplied with the compressor and an additional one, which is connected in-line. The abrasive material I have is Iron Powder 150μm and Aluminium Oxide with size between 100-150μm. My problems: 1. I tried to operate iron oxide under various pressures between 1.5-5bar but the material seems to be not efficient against soft matrix like marls and clays. 2. The most efficient moment of the abbrasive material is when the media tank is at 20% and very little amount of iron flows; otherwise, I think it uses too much material. Is it possible to use a green tip (0.9mm) to restrict a little the output flow, using the same tank and the same 150μm abbrasive? 3. The Al2O3 is super aggresive as expected and creates huge clouds making it impossible to see. It is ideal if you want to bulk remove matrix. Other than that, it can ruin everything. What I am looking for: 1. I want to restrict somehow the flow of abbrasive but accelerate the speed of the material 2. I need advice about the tips and the media tanks 3. Can I work with Al2O3 at very low pressure? My usual fossils are: 1. Urchins with soft marlish matrix that can be cleaned with chemical process as well. 2. Other Paleogene and younger fossils, within acidic volcanic tuffs (soft to medium) 3. Some tricky to clean urchins within sandstone. The matrix is harder than the fossil (calcite) 4. Ammonites from the Greek Ammonitico Rosso (Lower Jurassic) Any advice will be more than welcome.
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- air preparation
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Today I received my @Vaniman Mobile Problast. I ordered it Monday and it shipped the same day. I had a few questions and Nathan was prompt and answered all my questions. It arrived on my doorstep double boxed and well packed. Upon unpacking, the unit was inspected and found to be in order. The unit came with supplied with a 1/4” barbed hose fitting. For the air inlet. In the package also came a 1/4” quick connector. Which was easily changed out. I connected it to the 1/4” tubing I picked up at the hardware store and connected that to my compressed air line downstream from my filtration and desiccant system, filled the hopper with baking soda, and fed the nozzle into the blast cabinet.
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Is this worth getting as my first sandblaster for small specimen or should I look at building my own? Also, has anyone used this or just the air pen before and give me their opinion or if there is a better option for me out there? I see that some people here will use there mobile pen and attach it to their sand blasting chambers.
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- recommendation
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Split specimen from Green River in WY. Fossil seen in between layers.
Vaniman posted a gallery image in Member Collections
From the album: Priscacara
This specimen is from the Green River formation in Wyoming. Found split in two, unfortunately. These images show a before and after prep job using a Vaniman mobile Problast sandblaster. The specimen is a Priscacara from the Eocene period.-
- eocene
- fossilprep
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Split specimen from Green River in WY. Fossil seen in between layers.
Vaniman posted a gallery image in Member Collections
From the album: Priscacara
This specimen is from the Green River formation in Wyoming. Found split in two, unfortunately. These images show a before and after prep job using a Vaniman mobile Problast sandblaster. The specimen is a Priscacara from the Eocene period.-
- eocene
- fossilprep
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(and 3 more)
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Split specimen from Green River in WY. Fossil seen in between layers.
Vaniman posted a gallery image in Member Collections
From the album: Priscacara
This specimen is from the Green River formation in Wyoming. Found split in two, unfortunately. These images show a before and after prep job using a Vaniman mobile Problast sandblaster. The specimen is a Priscacara from the Eocene period.-
- eocene
- fossilprep
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(and 3 more)
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Split specimen from Green River in WY. Fossil seen in between layers.
Vaniman posted a gallery image in Member Collections
From the album: Priscacara
This specimen is from the Green River formation in Wyoming. Found split in two, unfortunately. These images show a before and after prep job using a Vaniman mobile Problast sandblaster. The specimen is a Priscacara from the Eocene period.-
- eocene
- fossilprep
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(and 3 more)
Tagged with:
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Split specimen from Green River in WY. Fossil seen in between layers.
Vaniman posted a gallery image in Member Collections
From the album: Priscacara
This specimen is from the Green River formation in Wyoming. Found split in two, unfortunately. These images show a before and after prep job using a Vaniman mobile Problast sandblaster. The specimen is a Priscacara from the Eocene period.-
- eocene
- fossilprep
-
(and 3 more)
Tagged with:
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Split specimen from Green River in WY. Fossil seen in between layers.
Vaniman posted a gallery image in Member Collections
From the album: Priscacara
This specimen is from the Green River formation in Wyoming. Found split in two, unfortunately. These images show a before and after prep job using a Vaniman mobile Problast sandblaster. The specimen is a Priscacara from the Eocene period.-
- eocene
- fossilprep
-
(and 3 more)
Tagged with:
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Split specimen from Green River in WY. Fossil seen in between layers.
Vaniman posted a gallery image in Member Collections
From the album: Priscacara
This specimen is from the Green River formation in Wyoming. Found split in two, unfortunately. These images show a before and after prep job using a Vaniman mobile Problast sandblaster. The specimen is a Priscacara from the Eocene period.-
- eocene
- fossilprep
-
(and 3 more)
Tagged with:
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Split specimen from Green River in WY. Fossil seen in between layers.
Vaniman posted a gallery image in Member Collections
From the album: Priscacara
This specimen is from the Green River formation in Wyoming. Found split in two, unfortunately. These images show a before and after prep job using a Vaniman mobile Problast sandblaster. The specimen is a Priscacara from the Eocene period.-
- eocene
- fossilprep
-
(and 3 more)
Tagged with:
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Split specimen from Green River in WY. Fossil seen in between layers.
Vaniman posted a gallery image in Member Collections
From the album: Priscacara
This specimen is from the Green River formation in Wyoming. Found split in two, unfortunately. These images show a before and after prep job using a Vaniman mobile Problast sandblaster. The specimen is a Priscacara from the Eocene period.-
- eocene
- fossilprep
-
(and 3 more)
Tagged with:
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Split specimen from Green River in WY. Fossil seen in between layers.
Vaniman posted a gallery image in Member Collections
From the album: Priscacara
This specimen is from the Green River formation in Wyoming. Found split in two, unfortunately. These images show a before and after prep job using a Vaniman mobile Problast sandblaster. The specimen is a Priscacara from the Eocene period.-
- eocene
- fossilprep
-
(and 3 more)
Tagged with:
-
Split specimen from Green River in WY. Fossil seen in between layers.
Vaniman posted a gallery image in Member Collections
From the album: Priscacara
This specimen is from the Green River formation in Wyoming. Found split in two, unfortunately. These images show a before and after prep job using a Vaniman mobile Problast sandblaster. The specimen is a Priscacara from the Eocene period.-
- eocene
- fossilprep
-
(and 3 more)
Tagged with:
-
Split specimen from Green River in WY. Fossil seen in between layers.
Vaniman posted a gallery image in Member Collections
From the album: Priscacara
This specimen is from the Green River formation in Wyoming. Found split in two, unfortunately. These images show a before and after prep job using a Vaniman mobile Problast sandblaster. The specimen is a Priscacara from the Eocene period.-
- eocene
- fossilprep
-
(and 3 more)
Tagged with:
-
Split specimen from Green River in WY. Fossil seen in between layers.
Vaniman posted a gallery image in Member Collections
From the album: Priscacara
This specimen is from the Green River formation in Wyoming. Found split in two, unfortunately. These images show a before and after prep job using a Vaniman mobile Problast sandblaster. The specimen is a Priscacara from the Eocene period.-
- eocene
- fossilprep
-
(and 3 more)
Tagged with:
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Split specimen from Green River in WY. Fossil seen in between layers.
Vaniman posted a gallery image in Member Collections
From the album: Priscacara
This specimen is from the Green River formation in Wyoming. Found split in two, unfortunately. These images show a before and after prep job using a Vaniman mobile Problast sandblaster. The specimen is a Priscacara from the Eocene period.-
- eocene
- fossilprep
-
(and 3 more)
Tagged with:
-
Split specimen from Green River in WY. Fossil seen in between layers.
Vaniman posted a gallery image in Member Collections
From the album: Priscacara
This specimen is from the Green River formation in Wyoming. Found split in two, unfortunately. These images show a before and after prep job using a Vaniman mobile Problast sandblaster. The specimen is a Priscacara from the Eocene period.-
- eocene
- fossilprep
-
(and 3 more)
Tagged with:
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Figured I'd share my current project here. I'm currently testing different sandblasting media and their effect on various matrices since this is a somewhat new application for us at Vaniman. The picture is an almost-finished Green River Fish that's roughly 4" x 2" in size. I will be doing a full-scale article regarding the entire process but wanted to share some of the work with you all for fun. I have a lot more pictures so if you're interested- let me know. It's only letting me upload one (?)
- 13 replies
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- 2
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- fossil fish
- fossil prep
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Fun Infographic on Sandblasting Media and Material Hardness
Vaniman posted a topic in Fossil Preparation
Made this quick reference guide as a fun little graphic to aid in sandblasting matrix. Hopefully, someone finds this useful! Enjoy!- 13 replies
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- air scribe
- fossil prep
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