OT: Production Line Jams

Gummit · Oct 21, 2009

Hi,

We have been asked to quote for a job which will include a display showing jams/stoppages on production lines.

What I would appreciate some help with is the names/terminology you all use for jams/stoppages on your production lines.

Thanks in advance.

demmons · Oct 21, 2009

We use either "Jam" or "Block" for faults. But this could just be a result of the Italian to English translation used at our parent company.

Gummit · Oct 21, 2009

Thanks for that quick reply.

A little more detail for you, there will be a number of sensors on the line and so the message needs to identify which sensor. So, we were thinking along the lines of.....

Conveyer belt stopped

and so on. Does this sound right?

Gil47 · Oct 21, 2009

Another 2 options, Production loss, Down time, also the word Total used with both.

dYoast · Oct 21, 2009

Ask the Customer

We can give you all sorts of names, but ultimately it is what the customer wants.

For tracks, we use low level and flow stop.
For load faults, it is usually x-count, where x is the number of parts missed before the line halts.

dYoast · Oct 21, 2009

Since You Mentioned Sensors

On a line I did a controls conversion for, the sensors were clearly labeled. For load faults, my message would be something like below.

<Part Name>
x-Count
Sensor xYY

Gummit · Oct 21, 2009

Interesting.....

Identify each individual sensor rather than the area on the line. That's one way to go. Thanks.

demmons · Oct 21, 2009

We use detailed descriptions with a block number:

"Block 001 - Wingnut Jam At Whirlygig Station" and so on to point the operator in the right direction.

OZEE · Oct 21, 2009

You need to be asking this question to your customer. It's not up to either you or us to define what they call things in their system. And it's easier to get their naming convention first, before you start doing the job rather than having to go back to change it when the names you've assigned don't make any sense to them...

OkiePC · Oct 21, 2009

I agree that the terminology should be dictated by the customer. I have heard a lot of different names from "ball-up" to "cripples" in reference to product damage. As another example, some people see the word "conveyor" as very general...could be a screw auger or a "belt", but which one? If all the motors have a 3 digit number taken from the electrical drawing, that might be totally meaningless to the operators who call the machines "line 1, belt 1", "line 3 belt 6", and so on...

Get the customer (operations) to assist with naming the equipment, and include device names if necessary that are consistent with the device tags and electrical drawings.

Paul

jstolaruk · Oct 21, 2009

"Blocked" & "Starved", "OverCycle" are terms I see often for time studies. Most of the time these are based on conditions in the logic of any stations along the line.

bulletin blues · Oct 21, 2009

Cobble anyone?
I'm old school.

Ned_Flanders · Oct 21, 2009

The only description I haven't seen is "Queue back" or Q-back for short. Used to indicate that a process has stopped due to events downstream.

Just a thought - and I have no financial reason to post this - I have recently been installing a display unit which will log downtimes, cycle times, BREAKS, and show % efficiency, which machine is stopped etc. It works with a web browser so you can view it from any pc on a LAN (Ours is now on a WAN!). www.optimumfx.com

OT: Production Line Jams

Gummit

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