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Piercing
(redirected from Piercings)

   Also found in: Dictionary/thesaurus, Medical, Legal, Wikipedia 0.01 sec.
piercing [′pirsĀ·iŋ]
(engineering)

Piercing 

(1) An operation in forging and stamping carried out on presses and hammers to produce a hole or depression in an item by pressing a solid or hollow piercing tool or punch into the item. Piercing may also be used in preparation for subsequent hole expansion or broaching of billets on a mandrel and for preliminary marking of a through hole to be produced by subsequent punching.

(2) An operation performed with dies using a sharp-edged punch to remove the inner burr remaining in stamped objects after marking a through hole on them.

(3) An operation in the production of seamless pipe carried out on presses using a piercing tool or on piercing mills using a mandrel to obtain hollow tubing from ingots or billets.



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All piercings in the upper part of the ear are referred to as cartilage piercings.
He spent much of the Ullswater Valley trek with 18-year-old Jonny Glendinning, who has 19 piercings on his face and body.
He spent a lot of the Ullswater Valley trek with 18-year-old Jonny Glendinning, who has 19 piercings on his face and body.
 
 
 
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