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Pulp and Paper Industrial Equipment Solution Database
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Thanks Teresa of GP
for the problem.
Problem : Pentek Power Transfer Car 2 is
sitting too long in automatic after pickup?
Solution :Advanced Production Control System
calls for a certain length of material if believes (in accordance with the data
for the conveyor lines) will fit on delivery line. The destination could have
80" of material. If the car brings on 60" onto bed "A", then
it will delay for the next stack of 20" if the industrial storage line data said it
has one or more stacks left. After a preset amount of time, if the industrial storage line
still has not delivered that remaining stack, a timer will time out and the car
will give up and proceed to deliver the 60" it has already loaded onto the
car.
So if you have an incorrect inventory on the storage line (one more stack of an order number shown on workstation than is really on the line), you will see this scenario.
Thanks Pete
of MachineElectric.com for the info.
Problem :How to estimate how many industrial drives you
need per foot of conveyor belt.
Solution :For a start, I would recommend you
purchase the design handbook "Belt Conveyors for Bulk Materials" from CEMA
(The Conveyor Equipment Manufacturers' Association). This highly acclaimed book
is considered by many to be the belt conveyor industry basic handbook. It
details subject areas critical to selecting bulk handling belt conveyors.
Contains photographs of equipment, including line drawings, formulas, and
easy-to-use tables. They are on the
third edition. Most conveyor belt manufacturers also have
"short-form" method.
Thanks Teresa of GP
for the problem.
Problem :Can not modify or delete an order
from a line on our Advanced Production Control System industrial workstation?
Solution :This is common if the edit dialog
box for that line is simultaneously open on another industrial work station. A lines data
can not be edited from to different industrial workstations at the same time. Also try the
"Delete All" button in the line edit dialog box, as this resets
database for the line.
Thanks Greg
of GAPAC for the info.
Problem :Our Pentek Advanced Production
Control System (APCS) was acting very unstable. It was causing our plant to fill
up and starve out machines.
Solution :Actually APCS will "fill
up" your plant do to many reasons. The first step is to view a downstream
machine (converting) on the APCS work station to analyze why machine is running
out of material.
You can quickly accomplish this by looking for red on any area of the screen
associated with the line in question.
1. Is in-feed conveyor indicated as full? (little red square on upstream end)
2. Is the Power off to the in-feed? (entire conveyor red)
3. Is the PIOS in computer mode? (Click on little orange square next to
conveyor)
4. Is the work available and scheduled? (is there any loads on storage same
color as machine?)
5. Check machine schedule to see if #1 sequence schedule is marked "Ok to
retrieve" or "Retrieving" (do this by clicking on machine, if
answer is no, must schedule in KiWee)
6. Is storage line where #1 is located faulted? (Line number highlighted in red)
7. Is load to be retrieved faulted (Red square around load)
8. Oh yea, is car in automatic????
If you checked all these, and it still won't send loads to machine, we would
say; " call your Pentek conveyor representative, there may be a problem
with the system". Unfortunately Pentek is out of business, so call BIN95
(573-547-5630). We stay in contact with all the top engineers and technicians
that used to work for Pentek. We even have contacts with the manufacturers who
make the Pentek parts.
Thanks walnut for the info.
Problem : On a Multigraphics 1250 10x15 we
had the problem of press sheets not passing to the delivery consistently.
Solution : By adjusting the head stops so the
instant the feed roller lifted off the sheet the stop fingers dropped. Timing is
everything!
Thanks indcntrl for the info.
Problem : D/C Motor Drive kept tripping out
on I.O.C. for United Glue Unit.
Solution : The main Motor contactor for the
glue roll drive was slow or binding up in its travel to engagement. Tried
replacing contacts in contactor did not help. Also replaced D/C drive module did
not help. Contactor was mounted separate of module. Won that chess Game!
Thanks STRCO1 for the info.
Problem : Marquip cutoff knife won't hold
length at speeds over 450 FPM
Solution :longview
writes......Marquip knife, my first inclination would be to check the
calibration of any tach's or servo motors on the knife (I would suspect that the
rise in feedback voltage should be linear). Also most Marquip knifes have
multiple drive motors (up to four) and if one or more aren't running properly
you would see the affects most noticeably at higher speeds.
MORE INFO FROM NET
With high speed equipment, troubleshooting requires a lot of details. Of course the vendor on the phone would best be suited for this situation, but I think you might find the following info useful. If it is E-flute several corrugator modifications were necessary to run E-flute at high speeds. "Long-run E-flute is somewhat unique in that this sheet is a very long, narrow noodle like a Sheet of 30 x 115 inches and is difficult to control through the knife and stacker. To solve this, the stacker can be modified with Marquip's Sync-Vac double down stacker, which prevents the sheet from buckling between the knife and the entrance to the stacker. "Most stackers use vacuum deceleration," explains Art Burkart, marketing analyst of Marquip. "The problem is that the vacuum force is always on, drawing the leading edge of the flimsy sheet down when all you want is the trailing edge. What we've done is developed a system that turns the vacuum on and off. As the sheet's trailing edge is exiting the knife coming onto the stacker, the vacuum turns on. Then it turns off as soon as the sheet is decelerated into the shingle."
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