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 )
 Turn key machine
Photos that chronicle the development of our turn key machine.
Mike holding the pattern before heading up to meet with the pattern maker. Hear is a view of the pattern with the rotor. The pattern maker will finish our bosses and legs and lid. And then off to the foundry. Leg socket on the pattern.
Mike holding the pattern before heading up to meet with the pattern maker. Hear is a view of the pattern with the rotor. The pattern maker will finish our bosses and legs and lid. And then off to the foundry. Leg socket on the pattern.
Leg in the installed position. Leg removed. View of the leg from the bottom.
Leg in the installed position. Leg removed. View of the leg from the bottom.
Greg from Advanced Pattern & Tool showing off the inside of the outer bowl. Greg is showing us the outside of the outer housing pattern. Note the bosses for the threaded drain holes. This is the lid. It turned out very nice. Greg really helped us solve the lid and leg issues while keeping the design very simple.
Greg from Advanced Pattern & Tool showing off the inside of the outer bowl. Greg is showing us the outside of the outer housing pattern. Note the bosses for the threaded drain holes. This is the lid. It turned out very nice. Greg really helped us solve the lid and leg issues while keeping the design very simple.
This is the inside of the lid. Note the bosses. One is for the infeed into the machine. The other is for future use (top secret). This is the leg pattern boarded. The pattern board has the mirror to this half on the bottom. This is the core box. Cores are used inside the outer housing during casting to leave holes under the three supports. This will allow clean oil to drain.
This is the inside of the lid. Note the bosses. One is for the infeed into the machine. The other is for future use (top secret). This is the leg pattern boarded. The pattern board has the mirror to this half on the bottom. This is the core box. Cores are used inside the outer housing during casting to leave holes under the three supports. This will allow clean oil to drain.
Sample castings turned out great. These still need to be heat treated and sandblasted. We can't wait to get the parts here in the to be machined. Bolts are sealed with an o-ring. These are a couple of the fixtures that we use while machining the main body casting.
Sample castings turned out great. These still need to be heat treated and sandblasted. We can't wait to get the parts here in the to be machined. Bolts are sealed with an o-ring. These are a couple of the fixtures that we use while machining the main body casting.
This shows a freshly machined lid still bolted to the machining fixture. The leg patterns have been boarded. The foundry can now cast four legs at a time. Greg also included our URL in the leg. Very cool. This is a view of the rough castings. The body is almost 20 lbs. This will make the machine very durable. After machining the parts will be powder coated to make them easy to clean.
This shows a freshly machined lid still bolted to the machining fixture. The leg patterns have been boarded. The foundry can now cast four legs at a time. Greg also included our URL in the leg. Very cool. This is a view of the rough castings. The body is almost 20 lbs. This will make the machine very durable. After machining the parts will be powder coated to make them easy to clean.
Inside of casting. Splash wall machined to diameter and lid seal machined and installed. This is the shaft seal. It's a Forsheda v-ring, made of Viton. Legs are attached with studs.
Inside of casting. Splash wall machined to diameter and lid seal machined and installed. This is the shaft seal. It's a Forsheda v-ring, made of Viton. Legs are attached with studs.
Water testing the seal. The seal is a Forsheda V-ring that rotates with the motor shaft. When the machine is running the seal slings the oil away from the shaft. When stopped the lip seals the shaft. The seal passed our water test perfectly. New o-ring design. Lid for machine S/N 0001 which is going out to be powder coated.
Water testing the seal. The seal is a Forsheda V-ring that rotates with the motor shaft. When the machine is running the seal slings the oil away from the shaft. When stopped the lip seals the shaft. The seal passed our water test perfectly. New o-ring design. Lid for machine S/N 0001 which is going out to be powder coated.
Main drain port on the bottom side. Legs and motor attached to machined body. The legs are fitted in tight pockets and held in place with a stud. Very stable. The feet will be fitted with adjusters to allow easy leveling. Dimensions are 18 inches in diameter and 20 inches tall. Weight before powder coatings is 56 lbs. The castings have been powder coated.
Main drain port on the bottom side. Legs and motor attached to machined body. The legs are fitted in tight pockets and held in place with a stud. Very stable. The feet will be fitted with adjusters to allow easy leveling. Dimensions are 18 inches in diameter and 20 inches tall. Weight before powder coatings is 56 lbs. The castings have been powder coated.
Machining of the castings has required some custom tooling and fixtures. This shows the body being faced, grooved and bored on the lathe. This has saved us a lot of time over the old method on the vertical mill. This is the newest lid fixture. It started as an 80lb piece of plate. This fixture is much faster to load and unload than our first fixture. Also, due to it's mass it can handle large cuts on the lids that are fairly thin. Drilling the centrifuge body casting for the lid studs.
Machining of the castings has required some custom tooling and fixtures. This shows the body being faced, grooved and bored on the lathe. This has saved us a lot of time over the old method on the vertical mill. This is the newest lid fixture. It started as an 80lb piece of plate. This fixture is much faster to load and unload than our first fixture. Also, due to it's mass it can handle large cuts on the lids that are fairly thin. Drilling the centrifuge body casting for the lid studs.
Tapping the centrifuge body casting for the studs. Drilling the centrifuge body casting for the leg studs. Leg fixture for drilling the legs.
Tapping the centrifuge body casting for the studs. Drilling the centrifuge body casting for the leg studs. Leg fixture for drilling the legs.
Jig for drilling the toe of the centrifuge leg. Happy 4th of July, 2008. Mike and I get ready to load our first turnkey machine. This machine is going to Trout Lake, Washington. Mike with a load of centrifuges. The shipping company didn't have room for our entire load so Mike had to take these to the depot himself.
Jig for drilling the toe of the centrifuge leg. Happy 4th of July, 2008. Mike and I get ready to load our first turnkey machine. This machine is going to Trout Lake, Washington. Mike with a load of centrifuges. The shipping company didn't have room for our entire load so Mike had to take these to the depot himself.
This photo shows some of the machining that goes into the casting. Another pallet of casting waiting to be machined. It will be a busy for a few weeks while we catch up. It's July 2009 and it's almost 100 degrees in the shop.  
This photo shows some of the machining that goes into the casting. Another pallet of casting waiting to be machined. It will be a busy for a few weeks while we catch up. It's July 2009 and it's almost 100 degrees in the shop.  
Numeric Control, LLC
PO Box 916
Morton, WA 98356