Simple Centrifuge
Clean waste vegetable oil (WVO), bio diesel, lube oils, and even hydraulic oil in your garage
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Photo Gallery - This gallery represents the work over several years. Some designs have been replaced and/or updated as time progressed. Most images contain a date stamp visable on the large version. Please note the date when viewing. We are always experimenting with new concepts and designs. If you have any questions about any photo please contact us.
Total photos in gallery 1280 - Latest photo update 2016/07/11 12:37:36
Asterisk(*) indicates new photos in the past 30 days
Adapter 56C to 56J ( 15 )
Algae Recovery ( 42 )
Bacterial fermentation ( 1 )
Balancer Mandrels ( 8 )
Bearing replacement ( 25 )
Botry Culture ( 2 )
Building a gantry ( 16 )
Chestnut Extract ( 9 )
CNC Coolant ( 6 )
Coconut Oil ( 8 )
Construction ( 43 )
Contaminated diesel ( 2 )
Craig's Machine ( 31 )
Cross Drill End Bell ( 10 )
Crude oil ( 5 )
Custom motor shaft ( 23 )
Experimental Motor ( 19 )
Explosion proof motor ( 3 )
Feed Cone ( 29 )
Feed Cone with Fins ( 6 )
Feed Tube ( 3 )
Filter Paper ( 7 )
Ford on WMO ( 2 )
Foundry ( 5 )
Foundry 2 ( 18 )
Gear pump ( 2 )
Grinding fluid ( 19 )
Grinding fluid 2 ( 14 )
Heaters ( 9 )
History ( 11 )
Homemade Diesel ( 7 )
Homemade diesel 2 ( 41 )
Homemade Diesel 3 ( 15 )
Homemade Diesel 4 ( 12 )
How it works ( 3 )
Hydraulic Oil ( 3 )
Keyless Bushing ( 11 )
Lab Centrifuge ( 16 )
Lab Centrifuge 2 ( 18 )
Lapidary Cutting Oil ( 2 )
Lock motor shaft ( 6 )
Magnesol removal ( 6 )
Microwave heater ( 7 )
Misc. Mods ( 4 )
Mitsubishi 4x4 on WMO ( 10 )
New Feed Cone ( 16 )
New Feed Tube ( 7 )
New Rotor 2013 ( 24 )
New rotor design ( 16 )
Oil and Contaminants ( 42 )
Oil Skimmer ( 8 )
Our Shop ( 37 )
Peristaltic Pump ( 29 )
Powder Coating ( 10 )
Renderings ( 8 )
Retrofit rotor for WVOD ( 17 )
Rework Mount ( 10 )
Rotor fins ( 34 )
Rotor Fins One Piece ( 6 )
Seal ( 6 )
Sea Weed ( 4 )
Sediment removal ( 16 )
See thru lid - Building ( 16 )
See thru lid - Testing ( 28 )
Skim Tube ( 56 )
Skim Tube for VCO ( 8 )
Small Settling Tank ( 14 )
Tanks ( 9 )
Tanks - Complete System ( 13 )
Tap drain ( 10 )
Testing Seal Screws ( 6 )
Tests by fuelfarmer ( 22 )
Turn key machine ( 38 )
Two part rotor ( 30 )
Ultrasonic filter cleaning ( 8 )
Updates ( 26 )
Users Machines ( 34 )
Vacuum pickup ( 3 )
VW on WMO ( 7 )
Water-Oil Seperator ( 7 )
Water trap ( 5 )
Wine Clarification ( 4 )
WVO Heat Tests ( 7 )
WVO Pump ( 6 )
WVO Tests ( 14 )
Rework Mount
A customer sent in a generation 1 rotor what had somehow became stuck to a motor shaft. He found the rotor at a thrift store! If my memory serves me we replace the rotor for the original customer when this happened. The motor shaft had been cut off and was still in the rotor. Not one to pass up a challenge I decided to see if it could be repaired. Most of these rotors had been modified or repaired long ago to prevent this issue. In the end I was very happy with the results. Very easy to remove from the machine, just like our new model.
Started by center drilling the piece of motor shaft. I had previously attempted to heat the rotor and remove it without any luck. It was galled badly. Drilled out. Bored the shaft until just a thin sliver remained.
Started by center drilling the piece of motor shaft. I had previously attempted to heat the rotor and remove it without any luck. It was galled badly. Drilled out. Bored the shaft until just a thin sliver remained.
Pulled the remnants out with some pliers. After boring you can see the stress around the shaft area. This shows the top side.
Pulled the remnants out with some pliers. After boring you can see the stress around the shaft area. This shows the top side.
Wrote a quick program to machine the taper into the bottom side of the rotor. Note that this rotor will ride a 0.50 Changed the jaws and flipped the part to machine the top side along with the o-ring groove for our custom nut. Installed the custom nut and o-ring. Ready to test.
Wrote a quick program to machine the taper into the bottom side of the rotor. Note that this rotor will ride a 0.50" higher than our standard mount. This old center was too small to accommodate the recess. Changed the jaws and flipped the part to machine the top side along with the o-ring groove for our custom nut. Installed the custom nut and o-ring. Ready to test.
Installed on the machine and test spinning.    
Installed on the machine and test spinning.    
Numeric Control, LLC
PO Box 916
Morton, WA 98356