The mounter performs
the tray component replenishing work.
The information on
replenished components is feed-forward transferred to the inspection machine through the
LAN.
The inspection
machine inspects the model number (constant) printed on the surface of the component mounted
on the target board through the character recognition (OCR).
The character
recognition that easily produces false reports by printing variations is performed only
immediately after replenishing the components. This reduces the failure of the expensive
components while suppressing decrease in production efficiency at its minimal level.
Mounting accuracy graph by statistic process control (SPC)
The same highly rigid frame as the mounter
Use of statistic process control (SPC) makes it possible to summarize the data by narrowing it by the period, part number, and component size, etc. and display such data graphically.
This mounting accuracy monitoring is useful to judge the maintenance implementation timing.
Since the component may move by the self-alignment effect when the solder melts, it is recommended to measure the mounting accuracy before the reflow process.
The inspection machine uses the same highly rigid frame as the mounter. (YSi-12)
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