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 1296 - Latest photo update 2021/12/10 18:48:01
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 ( 8 )
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 ( 47 )
Oil Skimmer ( 8 )
Our Shop ( 37 )
Peristaltic Pump ( 32 )
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 )
Sight Glass ( 6 )
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 )
 See thru lid - Building
One of our customers, Glenn (fuelfarmer), has done some colored water experiments. He mentioned he'd like to have a polycarbonate (Lexan) lid so he could see what was happening during operation. I thought that sounded like a good experiment. Last night I made the parts and today I tested.
I started with this ugly piece of half inch polycarbonate (Lexan) that has been floating around the shop for a while. It is backed up with a piece of white MDF to allow cut through. I counter sunk six holes around the edge and one in the center. I pre-drilled all the screw holes. I opted for a number 8 wood screw because the threads are similar diameter to the number 10 machine screw the lid normally uses.
I started with this ugly piece of half inch polycarbonate (Lexan) that has been floating around the shop for a while. It is backed up with a piece of white MDF to allow cut through. I counter sunk six holes around the edge and one in the center. I pre-drilled all the screw holes. I opted for a number 8 wood screw because the threads are similar diameter to the number 10 machine screw the lid normally uses.
I then screwed the polycarbonate to the mdf. This will prevent movement during machining. Cutting the 3 inch ID bore. Finished the ID bore.
I then screwed the polycarbonate to the mdf. This will prevent movement during machining. Cutting the 3 inch ID bore. Finished the ID bore.
Starting the OD cut. Finished cutting part. This is the finished part.
Starting the OD cut. Finished cutting part. This is the finished part.
This is the see through lid on the rotor. I need some longer screws. Hardware store is closed. I'll have to finish in the morning. The feed cone was designed for the domed lid. With some quick work on the old manual lathe I was able to trim away enough material to make it fit with the flat top. The trimming allows about 1/8
This is the see through lid on the rotor. I need some longer screws. Hardware store is closed. I'll have to finish in the morning. The feed cone was designed for the domed lid. With some quick work on the old manual lathe I was able to trim away enough material to make it fit with the flat top. The trimming allows about 1/8" inch clearance. This also demonstrates how the feel cone enters the rotating liquid.
This view shows the complete rotor with the feed cone. Filling the rotor with vegetable oil. This is the rotor nearly full. The picture shows how the oil is held against the rotor and the feed cone tubes extend into the back wall of the rotor.
This view shows the complete rotor with the feed cone. Filling the rotor with vegetable oil. This is the rotor nearly full. The picture shows how the oil is held against the rotor and the feed cone tubes extend into the back wall of the rotor.
The rotor is finally full.    
The rotor is finally full.    
Numeric Control, LLC
PO Box 916
Morton, WA 98356