Electronics > Mechanical & Automation Engineering

Clear Tape Detection

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TopLoser:
Just go the simple route and get a cheap Sick glare/gloss sensor from eBay (or buy one new, they’re not that expensive). They just ‘work’ detecting transparent gloss tape and banding.

Steer clear of Keyence, their sales engineers are trained primarily in high pressure sales. You’ll get endless phone calls and emails from them about other stuff they sell as well as almost daily calls trying to get an order from you. Can’t tell you how many Birmingham numbers I’ve blocked on my phone... Never yet met one of their engineers that seems familiar with industrial environments either, nice suits though...

GerryR:

--- Quote from: TopLoser on February 02, 2020, 09:10:39 am ---.............

Steer clear of Keyence, their sales engineers are trained primarily in high pressure sales. You’ll get endless phone calls and emails from them about other stuff they sell as well as almost daily calls trying to get an order from you. Can’t tell you how many Birmingham numbers I’ve blocked on my phone... Never yet met one of their engineers that seems familiar with industrial environments either, nice suits though...

--- End quote ---


I haven't had that experience with Keyence.  I find them to be very knowledgeable and helpful, and their products work and are reliable.  I've been using Keyence products for over 25 years, though not exclusively; sorry you have had that experience.

Rohodyer:

--- Quote from: GerryR on February 02, 2020, 12:14:31 pm ---
--- Quote from: TopLoser on February 02, 2020, 09:10:39 am ---.............

Steer clear of Keyence, their sales engineers are trained primarily in high pressure sales. You’ll get endless phone calls and emails from them about other stuff they sell as well as almost daily calls trying to get an order from you. Can’t tell you how many Birmingham numbers I’ve blocked on my phone... Never yet met one of their engineers that seems familiar with industrial environments either, nice suits though...

--- End quote ---


I haven't had that experience with Keyence.  I find them to be very knowledgeable and helpful, and their products work and are reliable.  I've been using Keyence products for over 25 years, though not exclusively; sorry you have had that experience.

--- End quote ---

I've had somewhat the same experiences with Keyence.  I had to put the smackdown on my primary Keyence salesman when he started calling me on weekends.  Then I held his feet to the fire on pricing and now he matches Automation Direct on sensors and light curtains.  They make a new safety controller that I absolutely love as well!  Great products if you can get the salesmen to behave.

BeBuLamar:
Spend the money and use the Keyence. For gloss the detection that's the way to do it, comparing diffused reflection vs specular reflection, However, I would still try to find out a different way than gloss detection.
Oh yeah I often get Keyence to drop their initial price in half. I am not comparing to Automation Direct because really no other manufacturers have the kind of sensors they do. I just say that my company can't afford Keyence.

BeBuLamar:
If your cardboard is always the same color then the higher gloss of the tape will result in higher reading. If you have different color boxes then you would need a sensor aiming straight on to the box to measure diffuse reflection. Subtract this from the reading of the angle sensor to get the gloss.

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