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Does the blade on a food processor or blender ever need to be replaced?

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Food processor blades

Will this blade ever get too dull to use?

2008 Jessica Harlan licensed to About.com, Inc.
Question: Does the blade on a food processor or blender ever need to be replaced?
A reader who has an ancient food processor recently asked me if she'd even need to sharpen or replace the blade. To find out if the blades of food processors or blenders ever get dull or need replacing, I turned to the experts at Cuisinart.
Answer:

"Blades and discs for our food processors rarely need to be replaced if they are cared for and used properly," says Mary Rodgers, director of marketing communications for Cuisinart and Waring. The only time you ever need to replace them is if they get damaged by improper use or if they're dropped.

Properly cleaning and caring for your blender and food processor chopping blades will ensure that they'll last for years.

To clean the food processor blades and discs, rinse them immediately after each use so that food won't dry on them. To clean blades by hand, wash them in warm soapy water. If you clean them in the dishwasher, put them in the top rack. If they go in the bottom rack of the dishwasher, they could get damaged over time from the intense heat of the water.

Never use abrasive spray cleaners on your blades and discs, says Rodgers.

To clean the blades of your blender, remove the blender jar from the motor base by lifting the jar straight up and away. Twist off the locking ring, and separate it from the rubber gasket and the cutting assembly according to your manufacturer's instructions. Wash the cutting assembly in warm soapy water, rinse and dry thoroughly. For most food processors, the locking ring can be washed in the upper rack of a dishwasher, or wash it in warm soapy water.

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