How to sharpen blunt blender blades?
by
Sun8249550
+27
When I use my blender the onions do not get chopped easily. Please help.
22 answers
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Short of removing them and taking them to a knife shop, I would just buy another blender or write to the manufacturer to buy some new ones. This is assuming that the blades are removable.
Larry Chura
on Aug 03, 2016
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Try blending ice cubes. To sharpen food disposal in your sink they say to once in awhile sharpen blades with ice cubes. Maybe it works for blenders, too. Cheap, and worth a try.
Mary
on Aug 03, 2016
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If you are trying to chop onions without liquid, it's very hard to chop onions, or any moist food, in a blender. Since the blades are higher up in the cup, they are designed to blend liquids, with food included, so that the liquid will carry the food to the blades. You need to use a food processor that has a hi-lo blade set, one blade very close to the bottom and one blade a bit higher. Together, they move the food off the bottom and into the path of the blades. A mini food processor can be gotten for as little as $15.
Phil a
on Aug 03, 2016
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This works with Vitamix - really well. Add halved or quartered onions to blender and add water until the onions float. Pulse on high. Voila!
Jack Berry
on Aug 03, 2016
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Just like Phil I've always heard to chop ice to sharpen the blades
AmyG
on Aug 03, 2016
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Look at your mfg parts list. Many blades just unscrew from the glass part and can be replaced. My 40 yr old Oster still has blades available in kitchen stores or on line.
MaryAnn B
on Aug 03, 2016
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Perhaps shred some sandpaper and put it through the blender. It doesn't take long and blades are very sharp after. Like cutting sandpaper with scissors sharpens them.
Ranger
on Aug 04, 2016
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Try the ice cubes. They say they help in a kitchen sink disposal too!
Kathleen Hartman
on Aug 04, 2016
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Onions? In my blender? Ech! Chop by hand!
Johnchip
on Aug 04, 2016
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Ice cubes help a lot.
Goldrushgal
on Aug 04, 2016
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If you have a Oster, many parts are available at ACE Hwd. I have found the gaskets and blade assemblies there. I updated mine from a thrift shop when I purchased a vintage (I think) glass container to replace my rather frosted looking plastic one. That's the good thing about Oster. Most all parts are interchangeable. One classic design and most all still fits. You can also order blades from an on line spot. Who knew Oster had so many choices in blades? I didn't until I began the search.
Lynne Webb
on Aug 04, 2016
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Ask lawn mower repair place if graphite used to sharpen blades on a reel mower would work
Teresa Martin
on Aug 04, 2016
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Take your blades out. Grab a ceramic coffee cup. Go & watch some tv while doing this lol. Rub the blades in a single-stroke motion over the bottom of the cup. To check your progress, use a sharpie along the edge of the blades first, then start. You can see your progress as the sharpie lines disappear. Hope this helps. :)
Pam Walker
on Aug 04, 2016
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The bottom of a ceramic cup,sharpening stone,or they sell at dollar stores a sharpening appliance!
Sophia,M.,McConnery
on Aug 04, 2016
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Pampered Chef has a sharpener that sharpens blender blades, food processor blades, etc.
Beth August
on Aug 04, 2016
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Use ice to make frozen drinks in your blender on a regular basis and your blades will never get dull. I've been using my Ninja for 3 years and the blades are just as sharp as the day I started.😄
PattyKay
on Aug 04, 2016
- See 2 previous
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Whirl a tray of ice cubes in the blender and see if that helps.
Ellen
on Aug 04, 2016
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Try freezing your onions for 45 min to 1 hour 1st!
Barbra
on Aug 05, 2016
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If using sharpening device (I use a small file for these types of blades) you might want to consider wearing gloves.
Steve Trandem
on Aug 05, 2016
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Not sure how it does it either. According to Bob Vila, eggs shells work too. I'll just stick with my frozen drinks. 😉
PattyKay
on Aug 06, 2016
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Not sure how it does it either. According to Bob Vila, eggs shells work too. I'll just stick with my frozen drinks. 😉
PattyKay
on Aug 06, 2016
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If you have someone in town who sharpens scissors, ask if he/she also does blender blades.
Donna L. Woods-Clements
on Aug 10, 2016
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