Computer
Numerical Control or CNC machining is a term widely used in manufacturing and
industrial applications. Not so old, but the introduction of CNC machining has brought
a revolution in the manufacturing process, taking the place of manual
control.
It’s
pre-programmed computer software that dictates the movement of the factory
tools and machinery. The use of CNC machines in the manufacturing units control
the range of complex machinery. Besides, the task of three-dimensional cutting
is easy to perform just in a single set of commands.
In
this post, we will discuss how the CNC machining process works and which
software is used for programming the commands.
Stages of the CNC machining process
Designing the CAD Model:
The
CNC machining service provider begins the process by creating a 2D vector or 3D
solid part CAD design. They use software and produce a model keeping the
necessary technical specification in mind. The design of the model depends on
the CNC machine tools and material used for manufacturing.
Converting the CAD file to the CNC Program:
Once
the design is made, the experts convert it into CNC compatible file format.
It’s because the CAD design will run only through a program. The program or the
converted file will be used in the digital programming code to control the CNC
machine. The codes will help in manipulating the tools and producing a
custom-designed part.
Preparing the CNC Machine:
Unlike
other pre-established machines, the CNC machine needs to be prepared before
operating. The experts prepare the machine by affixing the different parts and
pieces directly in the machine or similar work holding devices. Later, they
attach the required tools like drill bits to the machine components.
Executing the Machining operation:
After
all the above steps are done, the experts start executing the machining
operations. The CNC program prepared at the second stage is used as
instructions for the CNC machines. The commands dictate the tooling actions and
movements and guide the machine throughout the process. The direction helps in
the proper execution and production of the products.
Support Software used in CNC Machining Process
CAD or computer-aided design software- It helps in drafting
and designing 2D vector and 3D solid parts, as mentioned in the first stage.
The design helps in generating a CAD program in another stage.
CAM or computer-aided manufacturing software- It is used to extract
technical details from the CAD model designed using CAD software. The
information helps in generating a machine program for running a CNC
machine.
CAE or computer-aided engineering software- It is not used within
the process but plays a vital role other than that in the CNC machining
process. It helps the experts in pre-processing, analysing and post-processing
phases of the manufacturing. It’s like supportive software for in the
process.
So,
this was a brief or an overview of the CNC machining process and software used in
the same. To know more, connect with an experienced engineer working on this
particular process.