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For many companies the concept of communicating CNC
files between programming and shop floor machine controls has long
been accomplished using a DNC system. Distributive numerical control
(DNC) is technology that has been utilized to enhance the productivity
of machine shops worldwide. However, PortCNC has introduced eNETDNC,
which arms companies with a new tool to improve productivity and
machine utilization. True Machine Monitoring is now available using
the eNETDNC system.
The machine-monitoring feature provides instant status
of any CNC machine in the shop and allows for collection of real-time
production data directly from the machine controls. Using the DNC
connection to the machine tool and a special monitoring board, the
eNET system is able to monitor the CNC control activity and provide
production relevant information about the machine operation.
Using
the Machine Monitoring system companies will be able to
track the
following information:
-
Spindle
On Time
- True cycle time
- Accurate Part Counts
- Set-up time
- Machine downtime due to quality, engineering
or material issues
- Preventative Maintenance Log
- Tool Breakage
- Unscheduled Maintenance time
The machine monitoring system has the ability to monitor
controller-generated data. Based on this information the system
determines the machine status.
Either the machine is active and running production
parts, it is the set-up mode or the machine is idle. If the machine
is idle operators are required to report why the machine is idle.
This portion of the monitoring system allows companies to configure
the system to track data most relevant to their operation. The flexibility
of the eNET system will help create focus on the non-production
time and track the causes. The monitoring set-up screen allows companies
to select items critical to their operations.
One example would be waiting for support activities.
Whether it is quality, engineering or other activities we all know
that too often machines wait for support personnel. The eNET system
will allow companies to quantify the amount of time being lost,
investigate the reason for the losses and finally put solutions
in place that will eliminate these problems in the future.
Machine monitoring also creates accountability in
labor reporting. A longtime enemy of production planning is the
accuracy of labor reporting. Because the machine monitoring system
can determine the exact number of machine cycles that have been
run, the system can also determine exactly how many pieces the machine
made. While the monitoring system cannot determine the number of
pieces that were made scrap it does give management a starting point
to reference. To often material for 500 pieces worth of material
has been issued to the floor and only 450 pieces were reported in
the data collection system.
Machine Monitoring closes the loop in labor reporting.
By monitoring when the spindle is running and how
many times the program cycle started, management is able to gain
valuable information into machine utilization. This information
is independent of the shop floor data entry and use of the machine
monitoring system is sure to increase the integrity of your manufacturing
data.
The machine monitoring option in eNETDNC allows management
to determine which data is important to their operations. The system
can be configured to collect a variety of information including;
downtime related to set-up, maintenance, first piece inspection
and quality issues. If the machine is equipped with a bar feed system
operators can be paged when stock is low. Cycle times, machine loads
and part counts can all be reviewed remotely using the Machine
Monitoring feature and your existing network.
The
graphical display allows for easy review of data. For more sophisticated
data analysis the information can be uploaded
into Microsoft Excel or similar products. Finally, data collected
via the machine monitoring system can be used directly with your
shop management software package again increasing the accuracy of
your manufacturing data. Machine Monitoring provides management
with another tool to optimize their operations. Call JMR Systems Toll Free 888-228-6430 For more information.
"A Machine
shop cannot be lean without CAD/CAM and DNC"
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