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Products |
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Q1: |
What are the
ranges of product Omron have? |
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A1: |
Omron has several models. The top range
model VT-WIN II machine is developed for post reflow/wave soldering.
The VT-RNS has three (3) versions, VT-RNS-P is for post printing,
VT-RNS-Z is for post placement, while VT-RNS-S is for post reflow/wave
soldering. VT-RNS-pt is a table-top machine for post oven. All AOI are
specifically targeted for high-mixed low volume and low mixed high
volume production. |
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Q2: |
What is the difference between Omron AOI
as compared to others? |
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A2: |
Omron AOI uses patented Color Highlight
technology to inspect PCB solder quality. Using this patented technology
has enabled us to become the leader in solder inspection capability. Our
AOI accuracy is enhanced by our Automatic Position Adjustment function
which automatic adjust inspection windows when not in place due to
warpage or expansion and contraction of board. This feature increases
accuracy while decreasing teaching time. |
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Q3: |
What is the Color Highlight technology? |
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A3: |
It is a system that projects red, green
and blue light sources onto the PCB at different angles. The camera
captures these colors as they reflected off the board’s surface,
producing a 2-dimensional image that conveys 3-dimensional information.
These images allow our system to detect solder and component defects
accurately. |
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Q4: |
How would you positioned AOI, in-line or
off-line? |
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A4: |
The decision to place it in-line or
off-line depends on few factors such as the availability of production
floor space area, the management of process flow, etc. There are,
though, advantages and disadvantages for each type.
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Advantages |
Disadvantages |
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In-line |
Less human handlings of
materials |
Machine will be less
flexible, inspecting the production of one line only |
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Inspection results will
provide real time feedback from the process |
More expensive due to
higher cycle time demand |
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Any breakdown can create
production bottleneck |
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Off-line |
Can be used to inspect
materials from several lines |
More operator interaction
will risk damages |
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Greater flexibility when
introducing new products, or during product changeover |
Reduce of real-time
feedback |
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Q5: |
How do you measures the inspection cycle
time? |
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A5: |
The estimated inspection cycle time is
calculated through multiplying the number of frames used by the
inspection rate per frame. The resolution selected will influence the
number of frames for each program as a higher resolution (e.g. 50
microns) will require less frame to cover the PCB as compared to a lower
resolution (e.g. 20 microns). |
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Q6: |
How easy is it to develop an inspection
program? |
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A6: |
At the beginning, it is required of the
user to create the first inspection program manually to establish the
inspection library. Once it is built up, subsequent inspection program
can be created by cad data conversion which takes about 15-20 minutes. |
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Q7: |
How can we achieve centralized data
management? |
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A7: |
As our AOI utilizes the Windows
environment, it can easily network with several machines at once,
upload/download images and review inspection results, making centralized
management of the entire line possible. The ideal platform for this
would be a relational database networked with AOI machine, Repair
station and Data Analysis terminals. An Oracle database is used for
quick and efficient inspection data management. |
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Q8: |
What is the estimated period for
investment returns? |
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A8: |
The investment returns varies from
customer to customer. Generally, it takes about 18-24 months. |
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