AUTOMATIC DIAMETER CONTROL

 

INITIAL PROTOTYPE DESIGNS

DIRECT WEIGHT PUMP JACK
directwt.jpg (100972 bytes) pumpjack.jpg (102082 bytes)

 

DIRECT WEIGHT PROTOTYPE BUILD

Results:  Better than 1 gram resolution on rotating and stationary shaft

P1010014.JPG (188691 bytes) P1010015.JPG (186210 bytes)
P1010017.JPG (188670 bytes) P1010016.JPG (189144 bytes)

 

Fundamental Limits of strain gages
limit.jpg (315216 bytes)

 

DIRECT WEIGHT IMPLEMENTATION (2/12/03)

BILL OF MATERIALS LABOR  
     

 

Prototypes Built 3/30/03

 

A1 A2 A3 B1
protoa1.jpg (58791 bytes) protoa2.jpg (57096 bytes) protoa3.jpg (67951 bytes) protob1.jpg (63219 bytes)
protoa1close.jpg (60873 bytes) Final BOM Final Labor  

 

Drawings for Load Cell Assembly

Assembly
Item 1
Item 2
Item 3
Item 4
Item 5

 


Engineering Materials

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Revised: November 04, 2003