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Modifications

 

Modification of microwave generator, Model S6-F

 

Purpose of Modification:

 

This modification was developed to alleviate the high costs associated with the original YJ1191A magnetron tube. This tube originally designed and manufactured in 1959 is still in use today. Currently it is being manufactured soley by Covimag in France, with limited quantities coming off the production line. The cost of the YJ1191A has steadily increased over the years and is now selling in the $4500.00 to $5000.00 range. The standard warrantee for this tube is 12 months or 2000 hours of filament use, prorated. It has always been a very robust tube performing exceptionally in the harsh industrial environment. The only drawbacks have been the cost and occasional availability problems due to one manufacturer.

 

We felt it prudent to offer our customers an alternative by modifying the microwave generator to accept a different magnetron tube. Both the Covimag YJ1600 and Toshiba E3327 are excellent choices for this endeavor. Each tube has the same six kilowatt output power as the original, but at a fraction of the cost. Typical prices range between

$2200.00 to $2800.00 with a warrantee of 5000 hours prorated. With two separate manufactures for the same type tube availability problems are minimized.

 

MES Solution:

    Design the modification economically and efficiently by replacing only the needed components necessary for safe operation of the new magnetron tube.

    Methodize the modification into kit form and provide customers with the alternative of performing the modification using their own maintenance staff.

 

End Result:

    Cost savings of new magnetron.

    Longer warrantee of new magnetron.

    Availability problems are greatly reduced.

    Customers with multiple generators on a system can perform the modification one at a time. The YJ1191A magnetron removed from the modified generator can be kept on the shelf as a replacement for the other remaining generators.

Before

After

 

 

 

 
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