JLM Advanced Technical Services provides mechanical and testing services to the pulp and paper industry. Their mission is to utilize advanced technologies to identify solutions that help clients achieve production, quality, and safety goals. JLM aims to professionally deliver the most advanced mechanical and testing services available through qualifications like NDT certifications and industry committee involvement. Services include non-destructive testing, metallurgical analysis, roll profiling and repairs, infrared studies, and acoustic emission testing to improve safety and reliability.

1. Partner Services

2. Mission
JLM Advanced Technical Services, Inc., utilizes leading edge
diagnostic, and analysis technologies, to identify opportunities
and solutions that allows our clients to achieve their production,
quality, and safety goals.
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3. Objective
1. Introduce JLM Advanced Technical Services, Inc.,
and show our ability to professionally deliver
mechanical, and testing services within the pulp and
paper industry.
2. Provide our customers with the most advanced
mechanical and testing services available in the
market place.
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4. Qualifications
ASNT level II or level III
– MT, PT, UT, RT, VT, AE, AU, ET
Acoustic Emission (1 of 33 Global Level III’s)
Metallurgical support
Vice Chairman of TAPPI’s steam heated safety sub-committee
Yankee committee members
Suction roll committee members (corrosions)
IR Certifications
Farros Blatter cast iron grind, and repair certifications
Paper Science Graduates
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5. Industrial Support
TAPPI
Tissue World
– 2001, 2003, 2005, and 2007 presentations
ASNT
– ASNT Level III
– JLM personnel developed and patented the original Hartford Wedge
devise, and new AU cover testing process.
– JLM personnel developed industry procedure for determining cast iron
tensile from material velocity.
– JLM developed laser profiling system for in service rolls
NBIC - ASTM
– E-704, Testing of cast iron pressure vessels spec is being authored by
JLM
– Appendix K, maintenance of cast iron dryers
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6. JLM Partners
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7. JLM Services
Technical service
Willingness to stand behind products
Quality field service
Maintenance
Field services has fewer barriers to entry
JLM competes on relationships, availability, and price
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8. JLM Services
Machining On The Run Roll profiling and run
IR studies out checks
Balancing In ground radar of concrete and
granite rolls
Surface repairs
Optical alignments
Leak repairs
Laser alignments
Re-rates
Metallurgical audits Laser roll profiling
FEA Code welding
Erector services Roll Grinding
Millwright Process audits
Doctors Gear Inspections
Suction roll Guide audits
NDT Services
– AE, UT, MT, PT, VT
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9. UT Exam
Advanced-scan is a dual dryer scanning system designed to fill
the unique requirements of ultrasonic inspection on cast iron paper
machine dryers.
Advantages:
Past report review
100% axial scan of dryer shells for
thickness, and internal grooving, which
could effect operating parameters and
safety of mill personnel.
Records velocities and thickness in
one axial scan.
JLM currently owns five complete systems,
Minimum thicknesses are programmed
into system to alert ultrasonic
technician.
Reports database
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10. General Dryer
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11. Internal Reports
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12. Analysis
Sophisticated engineering analysis that identifies
equipment performance, and safety issues.
FEA
Acoustic Emissions
Velocity
Hardness
IR
Destructive
Metallurgical
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13. Metallurgical
Mechanical Testing Scanning Electron Microscopy
Tensile Failure analysis
Compression Fracture analysis
Impact Corrosion analysis
Corrosion Testing Hardness Testing
Detergent resistance Brinell
Stress corrosion Rockwell
Chemical Analysis Metallography
Cast Irons Microstructure interpretation
Steels Replications
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14. Flaw Mitigation
Linear indications noted on dryer 1917-1920
dryer heads.
AE, Metallurgical, and
destructive exams
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15. Flaw Mitigation
Indication evaluation
Insurance presentation
Follow-up exams
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16. Acoustic Emission
Acoustic emission (AE) is generally defined as the random elastic energy
released from a source in a material under stress. Stress is applied to a
monitored object in the form of temperature, torque, pressure, bending, etc.
Deficient areas in the object can generate detectable bursts of energy in
quantities proportional to the size of the deficiency and the applied stress.
Acoustic emission
examinations are
routinely used to
improve object safety
and reliability. AE roll
exams are quick, cost
effective, and
volumetric.
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17. Surface & Leak Repair
JLM has perfected a low cost method for repair of surface imperfections.
No need to plug porosity
Imperfections/damage quickly
repaired (approx. one-eighth
the time required by the drilling
and plugging technique.)
Small repaired areas can be
hand dressed without grinding
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18. OTR Profiling
JLM’s OTR is used to measure the
actual crown of your roll while your
machine is operating by collecting
position data at a rate of 60,000
readings per second from the surface of
the cylinder. This data is used to create
two and three dimensional maps of your
roll surface, which can easily be
compared to the most recent grind
profile or the optimum theoretical crown.
Front Back
0.350
0.345
0.340
0.335 Run #3 Run #2
0.330
0.325 94 psi OTR 74 psi OTR
0.320
0.315 Major Crown Corrected for
0.310
0.305 OTR position
0.300
0.295
0.290 Sheet Edge Sheet Edge
0.285
0.280
0.275
0.270
0.265 7-20-04 OTR
0.260
0.255 65 psi.
0.250
0.245
0.240
0.235
0.230
0.225
0.220 Run #4
0.215
0.210 60 psi OTR
0.205
0.200
0.195
0.190
0.185
0.180
0.175
0.170
0.165
0.160
0.155
0.150
0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210
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19. Laser Profile
Laser profile is used to measure
the actual crown, run-out and roll
surface condition
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20. IR Analysis
TRIGGER
REEL or
DRYER
SCANNER
COMPUTER FOR
COLLECTION,
ANALYSIS, THERMAL
STORAGE AND IMAGE
REPORTING
PRINTED
ANALYSIS
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21. Actual Steam
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22. IR Study Sheet
Journal Bolts Edge
Sheet
Head
Shell
Bolt 1
1 DRYER REV
Direction of Rotation
Joint
Head Bolts
Steam
Leak
Leak Detail Bolt 80
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23. IR Δ P influence on surface temperature
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24. Roll Covers Audits A key feature is, our high-speed ability to
store the "raw" numerical data for every
acquired point in the c-scan image.
Once a C-Scan is generated, associated,
scaled color B-Scans or 3-D (three
dimensional) images can be quickly
displayed. Adjustable vertical or horizontal
cross hairs allow corresponding vertical or
horizontal B-Scan sectional slices to be
presented.
The 3-D imaging mode features a
"topographical" view of the scanned
material volume enhanced by perspective
visual compensation (geometric) and
hidden line format.
The AU technology consists of sending low frequency
acoustic pulses at a predetermined angle of incidence
into a material under inspection. These acoustic pulses
travel through the material and are reflected by the
different interfaces inside the sample. If a discontinuity
(delamination, debond etc.) is present inside the
material, the reflected acoustic energy changes,
revealing the presence of the discontinuity.
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25. Roll Inspections
Inspection of the inner diameters of rolls at time of rebuild.
Advantages
Photographs of cracks
Video tape reference of cracks
Clear inspection results
Remaining life calculations
Depths of cracks with photographs
Equipment
2.8mm borescope
5-650 times magnification power viewer
Computer measuring software
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26. Granite Roll Inspection
Inspection of granite rolls with radar equipment and non dyeing
surface penetrant.
Crack Non homogeneous Mineral
Rust Filler
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27. Millwright Services
JLM Advanced Technical Services, Inc. has a complete staff of millwright
personnel with a background in the mechanical repair, and operation of
various components and machinery.
Our methods have helped our
customers solve the most complex
challenges with innovative thinking
and unparalleled expertise. Simply
put, the professional services of
JLM are the wisest choice to
ensure your success on every
project
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28. Laser Alignment
Precise shaft alignment pays. Well aligned couplings reduce bearing
and seal damage, minimize energy loss, and reduce production down
time.
Our system allows minimal
and continuous shaft rotation
and is unaffected by coupling
backlash.
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29. Reports Database
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30. Customer Relationship
Evolution Full Partnership
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t,G • Shared goals
r us • Important share of current
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Emerging Partnership
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• Value demonstrated d
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• Earning trust s
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• Some added value Reel
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Vendor-Buyer Setting an
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31. Questions?
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32. Thank You
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