Roll Forming Alignment
DON’T LET YOUR MILL GET OUT OF SIGHT
Roll tooling is generally manufactured to a
tolerance of .001” or better. This accuracy is held because
of the importance between the mating upper and lower rolls
and the cross-section being formed. There is little room
for error, when roll forming a welded tube or non-welded
profile; particularly when running light-gauge metal. A
stack-up or alignment error of <5% can cause a number of
defects to the finished product. What is worse is that many
of these defects are difficult to trace to the source,
because there may only be slight alignment issues in
multiple locations.
Proper mill shoulder alignment is absolutely critical in
producing quality profiles, with consistency and
repeatability. Roll-Kraft understands this and makes this a
main talking point in all of our training seminars and
customer visits.
Roll-Kraft has developed and perfected a Roll
Forming Mill alignment program and has conducted
hundreds of on-site mill alignments with excellent results.
Our process is done in a step-by-step fashion that will
uncover other potential problems, such as bent shafts,
spindle run-out, damaged bearing blocks, bearings, or mill
stands, etc.
In addition to mill alignment, our service can also include
other components of the line, such as punch presses,
uncoilers, weld boxes, and cut-off presses.
Alignment
Services Include:
Initial
Inspection:
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Inspection of all mill components prior
to alignment
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Checking the integrity of entry table,
driven stands, side pass stands, weld
boxes, scarfing stations, ironing pass
stands, turkshead units, straightening
units, and cut-off die sets.
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Check diameters of all driven shafts
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Check for loose bearings on driven
stands
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Check for loose bearing blocks on driven
stands
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Optical Alignment:
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Mill
bases
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Driven
shafts paralleled, top to bottom
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Driven shaft shoulders are aligned, top
to bottom and stand to stand, to within
.001”
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Horizontal and vertical verification of
all equipment associated with the mill
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Comprehensive Alignment:
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Alignment, using precision instruments
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Hands-on
training
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Alignment maintenance, tooling setup,
and changeover procedures
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Setting
proper metal line in side pass rolls
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Tooling
maintenance programs and procedures
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What Alignment Services Can Do For You:
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Changeovers and setups are faster and
easier
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Reduce
down time, by eliminating unnecessary
adjustments
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Eliminate marking of the product
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Produce
straight product, when exiting the mill
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Eliminate weld seam rolling over with
fewer welding problems
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Increase
tooling life
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Provide
higher quality end product with less
scrap
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