CNC machining occupies a very high position in CNC equipment. Many parts
processing enterprises will use CNC machining centers. So what kinds of parts
can the CNC machining process? As we all know, a CNC machining center is
suitable for processing complex, many processes, high requirements, need a
variety of types of ordinary machine tools and a variety of tools and fixtures,
and need to be adjusted several times after clamping parts processing. Its
processing objects are mainly box parts, complex surfaces, special-shaped parts,
cladding parts, and special processing.
(1) Box parts.
Box parts generally refer to parts with a plurality of holes, internal
cavities, length, width, and height with a certain proportion. Such parts are
mostly used in machine tools, automobiles, aircraft manufacturing, and other
industries. Box parts generally need a multi-station hole system and surface
processing, tolerance requirements are higher, especially the shape and position
tolerance requirements are more strict, usually, after milling, drilling,
reaming, boring, reaming, countersinking, tapping, and other processes, need
more tools. For processing box parts of the processing center, when the
processing station is more, the need for the table to complete the parts, the
general choice of horizontal boring and milling machining center.
(2) Complex surface.
The complex surface plays an important role in machinery manufacturing,
especially in the aerospace industry. It is difficult or even impossible to
complete complex surfaces using ordinary machining methods. In our country, the
traditional method is to use precision casting, can imagine its low precision.
Complex surface parts, such as various impellers, wind turbines, spherical
surfaces, various surface-forming molds, propellers, underwater vehicle
propellers, and some other free surfaces. The following are typical:
(3) special-shaped parts.
Special-shaped parts are irregular parts, and most need point, line, and
surface multi-station mixed processing. The rigidity of special-shaped parts is
generally poor, the clamping deformation is difficult to control, the processing
accuracy is difficult to ensure, and even some parts of some parts are difficult
to complete with ordinary machine tools. When processing with the machining
center, reasonable technological measures should be taken, once or twice
clamping, using the machining center multi-station point, line, and surface
mixed processing characteristics, to complete multiple processes or all
(4) disc, sleeve, and plate.
End face with keyway, radial hole, or distributed hole system, crank sleeve
or shaft parts, such as flange shaft sleeve, keyway or square head shaft parts,
as well as porous machining plates, such as all kinds of motor end face with
distributed holes and curved disk parts, should choose vertical machining
center, and horizontal machining center with radial hole should choose.
(5) Trial production parts for new products
The processing center has wide adaptability and high flexibility. Change the
processing object, just compile input new program can be realized