Fruit packer gets a triple treat

DEMM Engineering & Manufacturing - - FOOD -

One of New Zealand’s largest fruit pack­ing op­er­a­tions has had a triple whammy of ben­e­fits from us­ing Chal­lenge Triple Seal Bear­ings.

Cras­borns in Hawkes Bay was for­ever re­plac­ing bear­ings in its fruit brush washer units ev­ery sea­son. This was due to the wet and dirty en­vi­ron­ment cre­ated from clean­ing fruit.

Dirty wa­ter was pen­e­trat­ing the seals in the bear­ings mak­ing the bear­ings fail by wear­ing out or seiz­ing up. They tried a range of pro­tec­tion shields to stop the wa­ter get­ting into the bear­ings but noth­ing could re­solve the prob­lem.

EQM sug­gested us­ing the Chal­lenge Triple Seal Bear­ings and they have so far tripled the life of their pre­de­ces­sors.

Cras­borns pack­house man­ager Ross Howard says: “The triple seal bear­ings are def­i­nitely worth chang­ing to and are very ef­fec­tive in wet ar­eas. We have only re­placed 18 bear­ings this time rather than 240. Stan­dard bear­ings wouldn’t even last one sea­son.”

The Chal­lenge triple-sealed bear­ing units are com­pet­i­tive as a di­rect re­place­ment spher­i­cal bear­ing com­plete with seals that can op­er­ate in al­most any en­vi­ron­ment greatly de­creas­ing the cost of bear­ing units.

“We have been amazed at how long they’ve lasted – they’re now into their third sea­son,” says Ross. “They’ve saved down time by al­most elim­i­nat­ing bear­ing fail­ure on the brush wash­ers and sav­ing on main­te­nance time.

Triple-sealed bear­ings fea­ture a se­cure bear­ing seal with three lips. This seal of­fers re­li­able dust proof­ing and water­proof­ing su­pe­rior to those of stan­dard bear­ings.

A bear­ing life longer than that of a stan­dard bear­ing unit means ex­tended main­te­nance in­ter­vals, greatly re­duced main­te­nance labour costs for in­spec­tion, lubri­ca­tion and re­place­ments.

Triple-sealed bear­ings are held on the driven shaft with Chal­lenge’s balled setscrew, which fea­tures an em­bed­ded ball in its tip. Com­pared with knurled cup point or cup-point setscrews, the balled setscrew pro­vides much greater re­sis­tance to loos­en­ing, as it does not read­ily loosen due to vi­bra­tion or im­pact.

Chal­lenge bear­ings con­form to the JIS (Ja­panese In­dus­trial Stan­dard) for UC-type bear­ings and are in­ter­change­able with the con­ven­tional bear­ing units of other man­u­fac­tur­ers. It serves as a ready re­place­ment for any ex­ist­ing bear­ing units.


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