Mechanical Definitions |
Jig Grinder : A type of precision grinding machine which
is used in order to locate and grind holes to size especially
in hardened steels and carbides. |
Jigsaw : It is a tool designed to cut arbitrary curves,
such as stenciled designs or other custom shapes into a piece
of wood or similar material. |
Job Shop : The shops which are typically small manufacturing
operations. They handle specialized manufacturing processes
such as small customer orders or small batch jobs. Job shops
typically move on to different jobs (possibly with different
customers) when each job is completed. |
Jogged : A piece is called jogged which is notched or
has a projection or depression. |
Joggle : It is a projecting pin or ridge on a casting.
It fits into a groove on the piece to which the casting is to
be fitted. It is designed in order to serve to properly locate
casting and to make more secure joint. |
Joiner : A woodworker who cuts and fits joints in wood
is called joiner. |
Joinery : That part of woodworking which involves joining
together pieces of wood to create structures. |
Joint : The location at which two or more mechanical
or structural components make contact. |
Joint Clearance : The distance between mating surfaces
of a joint is called Joint Clearance. |
Jointer : It is a woodworking machine which is used for
producing a flat surface on a board in woodworking. It produces
flat edges on boards prior to joining them edge-to-edge to produce
wider boards. It is also known as planer or surface planer and
sometimes also as a buzzer or flat top. |
Jolly Balance : It is a spring balance that is used for
measuring specific gravity of mineral specimens by weighing
a specimen when in the air and when embedded in a liquid of
known density. |
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