Notching


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notching

[′näch·iŋ]
(electricity)
Term indicating that a predetermined number of separate impulses are required to complete operation of a relay.
(mechanical engineering)
Cutting out various shapes from the ends or edges of a workpiece.

Notching

In carpentry, a method of joining timbers by cutting notches at the ends of a piece, then overlapping the notched pieces to form a joint.

Notching

 

(in mining), the process of making a cut in a mineral (coal, rock salt, and so on). Supplementary free surfaces are notched in the seam to be worked to facilitate breaking-out. Until the early 20th century, notching was done mainly by hand by miners and was one of the most laborious processes; notching is now performed by cutting machines.

notching

notching
Joining of timbers, usually meeting or crossing at right angles, by cutting a notch in one or both pieces.
References in periodicals archive ?
Our study suggests that the findings of bilateral uterine artery diastolic notching on doppler ultrasound indicator for developing pre- eclampsia which is consistent with a recent report where ultrasound along with demographic, and clinical parameters were combined to predict occurrence of pre-eclampsia17.
damage) created by notching did not increase rate or frequency of infection compared with control lobsters.
Some in the industry argue that the primary cause of error in pendulum impact tests is incorrect or inconsistent notching of test specimens.
The notching and boring rules of thumb for solid lumber are shown in Fig.