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CONTACT US
Meridian Laboratory 2415 Pleasant View Rd. Middleton, WI
53562
PHONE 608.836.7571
800.837.6010
FAX 608.831.0300
EMAIL US |
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If you design and/or manufacture parts
that drive, idle, or brake, then you should know about the science of ML6. ML6
is a urethane-class material that has been scientifically-formulated for
exceptionally high-friction and high-wearability characteristics. As a result,
parts molded from ML6 have been successfully implemented in a wide range of
mechanical rotation applications.
ML6
has demonstrated superior friction and wear characteristics compared to rubber,
nylon, or other plastic-like materials. Metal parts coated with ML6 wear so
well, they often outlast the machines themselves.
The Science of
ML6
ML6
is an extremely versatile compound that can be formulated to fit virtually any
drive application. Each compound is carefully engineered for specific
properties of hardness, elongation, compression, tear, and rebound. This
scientific formulation assures that every ML6 part will perform to customer
specification.
Parts made from ML6 are precisely molded. As a result, they require no
finish grinding whatsoever. Grinding tends to open the grain of plastic
compounds, causing a much steeper rate of part degradation or deterioration.
Eliminating the necessity of grinding significantly improves the friction and
wear characteristics of ML6 parts. They are also available in a wide range of
colors and hardnesses. |
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Factor
Better Parts Into Precision Friction Applications |
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Here's how Meridian
Laboratory provided solutions to manufacturer's problems: |
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Film Drive
Wheel |
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Too much downtime on
the film processing machine wheel. Drive wheel needed to be long-wearing with
no sacrifice in critical tolerances. |
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Meridian's ML6-55
Shore A Material was molded onto the aluminum substrate provided by the
customer. The result was increased wearability and consistent high tolerances
on the O. D. |
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Encoder
Idler Bearing |
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In order to achieve
O.D. accuracy, the idler bearing previously required bearing disassembly and
post-grinding. Slipping occurred during encoding. |
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Meridian's molding
technology and meticulous surface preparation allowed the bearing to be coated
with a high coefficient of friction (ML6-40A) material without disassembly or
subsequent grinding. The result was a better encoder between wheel and web
material being measured. |
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Capstan
Roller |
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Previous material on
capstan was breaking loose from metal substrate, causing eccentricity in coated
diameter. |
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Meridian's special
treatment of only the surface area which is to be coated makes the bond between
the substrate and Material ML6 stronger than the ML6 itself. The result is that
even anodized parts can be molded with Material ML6. |
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Paper
Converting Drive Roller |
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O.D. eccentricity
and excessive wear in paper material processing machine. |
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Meridian's
progressive molding technique, no post-grinding, put a crown to the shape of
the roller holding O.D. tolerances to less than .001 T.I.R. The paper
pulled straighter and significantly increased the life of the part.
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Hi-Speed
Video Tape Winder Drive Roller |
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Excessive wrap on
the roller due to the speed. |
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Meridian lowered the
durometer and put a matte finish to the O.D. surface, creating air gap. The
result was the correct wrap and increase of wear tenfold. |
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From prototypes to
short-to-medium-run production parts, Meridian Laboratory has the solutions for
today's manufacturing needs. |
| MATERIAL ML6 HIGH-FRICTION PRECISION-MOLDED PARTS |
| PHYSICAL
PROPERTIES |
STANDARD COLOR
CODING |
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COMPOUND
NUMBER |
ML6-40 |
ML6-55 |
ML6-70 |
ML6-80 |
ML6-90 |
ML6-60D |
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| Hardness, Shore
A ± 5 |
40 |
55 |
70 |
80 |
90 |
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| Shore
D |
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60 |
| Ultimate
Elongation, % |
600 |
590 |
615 |
650 |
550 |
430 |
| Ultimate
Tensile, psi |
1500 |
3500 |
6500 |
6500 |
6500 |
8000 |
| Tear Strength,
pli |
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| Die "C" |
90 |
128 |
370 |
420 |
650 |
1250 |
| Split |
17 |
34 |
200 |
250 |
400 |
550 |
| Compression
Modulus, psi |
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| 10% Deflection |
-- |
-- |
200 |
300 |
635 |
1350 |
| Compression Set
"B", % |
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| 22 Hrs @ 158° F |
2.0 |
1.7 |
25 |
25 |
28 |
29 |
| Bashore
Rebound, % |
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| @ 78° F |
21 |
-- |
24 |
32 |
28 |
32 |
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Designer's
Notes:
- As hardness
increases, wear resistance increases and friction decreases.
- ±
.001 ML6 diameter tolerance and .001 ML6 flatness can be readily attained if
coating thickness is 1/32 to 1/8 inch per side. 1/16 inch per side ML6 coating
is ideal for any round part.
- Knurls,
undercuts, or grooves on the core are not necessary since adhesive is utilized
to bond ML6 to the core.
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FEATURES
- Urethane-class
material
- Convex, concave, flat
stock, and notched forms
- Highly stable - proven
by thirty years of actual use
- Does not mark or
contaminate
- .001 T.I.R. or better
on O.D.
- Hardness range: 40
Shore A to 65 Shore D
- Operating temperature
range: -40° F to +200° F
- Coatings available in
a wide assortment of colors
- Meridian will produce
cores or coat those you supply
- Stripping and
recoating of parts
- Applicable to all
metals
- Ideally suited to
prototyping and production quantities
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AS CONCENTRIC AS
THE PRECISION PART OR BEARING IT RIDES ON |
- ML6 on bearings,
metal hubs, balls, rollers, needles, and sleeves
- Straight,
concave, convex, and other configurations
- 0.001 T.I.R. or
better on ML6 O.D. without grinding
- No bearing
disassembly required
- Coated to exact
size + .001 in diameter normal
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QUOTATION AND ORDERING
INFORMATION ML6 coatings are determined by customer specific needs.
Mail or fax your requirements along with a sketch of your part for a prompt
quotation.
For any additional questions please fill out the form
below. Note: * Required fields are highlighted.
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