Guest contributor: Tom Rosenberg, Balluff
One of the most common devices used in manufacturing is the tried and true feeder bowl system. Used for decades, feeder bowls take bulk parts, orient them correctly and then feed them to the next operation, usually a pick-and-place robot. It can be an effective device, but far too often, the feeder bowl can be a source of cycle-time slowdowns. Alerts are commonly used to signal when a feed problem is occurring but lack the exact cause of the slow down.
A feed system’s feed rate can be reduced my many factors. Some of these include:
- Operators slow to add parts to the bowl or hopper
- Hopper slow to feed the bowl
- Speeds set incorrectly on hopper, bowl or feed track
- Part tolerance drift or feeder tooling out of adjustment
With today’s Smart IO-Link sensors incorporating counting and timing functions, most of the slow-down factors can be easily seen through an IIoT connection. Sensors can now time how long critical functions take. As the times drift from ideal, this information can be collected and communicated upstream.
A common example of a feed system slow-down is a slow hopper feed to the bowl. When using Smart IO-Link sensors, operators can see specifically that the hopper feed time is too long. The sensor indicates a problem with the hopper but not the bowl or feed tracks. Without IO-Link, operators would simply be told the overall feed system is slow and not see the real problem. This example is also true for the hopper in-feed (potential operator problem), feed track speed and overall performance. All critical operations are now visible and known to all.
For examples of Balluff’s smart IO-Link sensors, check out our ADCAP sensor.
CMA/Flodyne/Hydradyne is an authorized Balluff distributor in Illinois, Wisconsin, Iowa and Northern Indiana.
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