- A
punching machine is a
machine tool for
punching and
embossing flat sheet-materials to
produce form-features
needed as
mechanical element and/or to extend...
-
Punching is a
forming process that uses a
punch press to
force a tool,
called a
punch,
through the
workpiece to
create a hole via shearing.
Punching is...
- Port-A-
Punch in 1958 as a fast,
accurate means of
manually punching holes in
specially scored IBM
punched cards.
Designed to fit in the pocket, Port-A-
Punch...
- the
doctor by the employees,
including a blue
print of the
office punching machine.
After examining and
correlating the data available, he had concluded...
- was
inserting holes to
mount it in an ****embly group. Therefore, a
punching machine is an option. Some
programs enable the
operator to
program both step...
-
machines,
unlike the stand-alone IBM calculators. Card
punching operations included: Gang
punching -
producing a
large number of
identically punched cards—for...
- hole-
punching, pinning, gluing,
fabric cutting, sewing, tape and
fiber placement, routing,
picking and placing, and sawing. The
first NC
machines were...
- (1728), and
Jacques Vaucanson (1740). The
machine was
controlled by a "chain of cards"; a
number of
punched cards laced together into a
continuous sequence...
-
sprocket feed
holes were 0.046
inches (1.2 mm). Most tape-
punching equipment used
solid circular punches to
create holes in the tape. This
process created "chad"...
- A
turret punch or
turret press is a type of
punch press used for
metal forming by
punching.
Punching, and
press work in general, is a
process well suited...
