TM
Surface Conditioning Wheels
Convolute,
Unitized & Molded
Wheels
Table of Contents
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
Convolute / Molded Wheels . . . . . . . . . . . . . . . . 2 –12
Mineral and Density Charts . . . . . . . . . . . . . . . . . . . . . . . . . 2
Convolute Wheel Diameters and Standard Core Sizes . . . . . 2
Scotch-Brite
™
Wheels for Deburring . . . . . . . . . . . . . . . . . . . 3
Scotch-Brite
™
Wheels for Polishing . . . . . . . . . . . . . . . . . . . 4
Scotch-Brite
™
Wheels for Finishing . . . . . . . . . . . . . . . . . . . 5
Scotch-Brite
™
Wheels for Blending. . . . . . . . . . . . . . . . . . . . 6
Scotch-Brite
™
EXL, EX2, EX3 Deburring Wheels . . . . . . . . . . 7
Scotch-Brite
™
Light Deburring Wheel . . . . . . . . . . . . . . . . . . 7
Scotch-Brite SST Deburring Wheel. . . . . . . . . . . . . . . . . . . 8
Scotch-Brite SF Finishing and Deburring Wheel . . . . . . . . . 8
Scotch-Brite
™
Cut and Polish / CPM Wheels . . . . . . . . . . . . . 9
Scotch-Brite
™
Metal Finishing Wheel . . . . . . . . . . . . . . . . . . 9
Scotch-Brite
™
Multi-Finishing Wheel . . . . . . . . . . . . . . . . . 10
Scotch-Brite
™
General Purpose Wheel . . . . . . . . . . . . . . . . 10
Scotch-Brite
™
Clean and Strip Rim Wheel . . . . . . . . . . . . . 11
Scotch-Brite
™
Woodworking Wheel . . . . . . . . . . . . . . . . . . 11
3M
™
XR Metalworking Wheel . . . . . . . . . . . . . . . . . . . . . . . 12
™
™
Factors Affecting Performance . . . . . . . . . . . . 20 –22
Product Surface Speed . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Recommended Operating Speeds . . . . . . . . . . . . . . . . . . . 20
Lubricant–Coolant . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Product Hardness (Density) . . . . . . . . . . . . . . . . . . . . . . . . 20
Surface Speed Conversion Chart . . . . . . . . . . . . . . . . . . . . 20
Maximum Operating Speeds (Convolute Wheels and
Unitized Wheels) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Unitized Wheels with Dual Rating and Higher Maximum
Operating Speeds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 –24
Flanges. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Mandrels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Convolute and Unitized Equivalency Chart. . . . . . .25
Unitized Wheels . . . . . . . . . . . . . . . . . . . . . . . . 13 –19
Density and Mineral Charts . . . . . . . . . . . . . . . . . . . . . . . . 13
Scotch-Brite
™
Wheels for Deburring . . . . . . . . . . . . . . . . . . 14
Scotch-Brite
™
Wheels for Polishing,
Finishing and Blending . . . . . . . . . . . . . . . . . . . . . . . . . 15
Scotch-Brite
™
EXL Unitized Wheel . . . . . . . . . . . . . . . . . . . 16
Scotch-Brite
™
Roloc
™
EXL Unitized Wheel . . . . . . . . . . . . . 16
Scotch-Brite
™
SST Unitized Wheel . . . . . . . . . . . . . . . . . . . 17
Scotch-Brite
™
Cut and Polish Unitized Wheel . . . . . . . . . . . 17
Scotch-Brite
™
Metal Finishing Unitized Wheel . . . . . . . . . . 18
Scotch-Brite
™
Clean and Strip
Unitized Wheel / Cup Wheel. . . . . . . . . . . . . . . . . . . . . . 18
Scotch-Brite
™
General Purpose Unitized Wheel . . . . . . . . . 19
Scotch-Brite
™
Buff and Polish Unitized Wheel . . . . . . . . . . 19
Wheels
Scotch-Brite
™
wheels, one of the most complete selections
of surface conditioning wheels, continue to raise the bar for
performance even after five decades.
Today, 3M develops wheels with new and advanced technology
while continuously improving its existing product line.
Customers choose Scotch-Brite
™
surface conditioning wheels
because of their ease of use and consistent results. In addition,
to assist in increasing productivity, customers are supported by
dedicated Technical Service teams and 3M Innovation Centers
around the world.
Scotch-Brite
™
Wheels
• Can improve surfaces without significantly changing the
shape or dimension of the workpiece.
• Are well-suited for an array of cleaning, blending, deburring,
finishing and polishing applications.
• Help prevent undercutting or gouging through their controlled
abrasive action.
• Provide consistent, uniform finishes as fresh abrasives are
continually exposed to the work surface.
• Run cool and resist loading due to their open web
construction, which reduces the risk of part discoloration and
warping, while extending the life of the wheel.
Selecting Convolute vs. Unitized
This choice will often be determined by the part configuration,
wheel size availability, tool speed or other fixed circumstances.
Convolute
is a wrapped construction on a standard sized core
and the “flat” of the web becomes the cutting tool. The wheels
are one directional, which is indicated by an arrow on the side of
the wheel and arrows printed in the core.
Unitized
is a layered construction with a selection of center hole
sizes and no core. The “edge” of the web becomes the cutting
tool. The wheels are non-directional.
See Convolute and Unitized equivalency chart on page 25.
Factors to consider when choosing a
starting point for your application
• Composition of workpiece and material type
• Material hardness
• Desired results to be achieved
• Size and shape of the work piece (area to be conditioned)
• Part variability
• Tool/machinery type, including speed capability
• Previous and possible subsequent abrasive steps
Convolute
Basic Performance Differences
Construction
Wrapped
construction
on a standard
sized core.
One directional
Layered
construction
with no core.
Non-directional.
Finish
Finer finish
(grade for grade)
Density
Softer and more
conformable*
Size
4"–24" dia.
1/2"–36" wide
Unitized
More aggressive
and durable
(grade for grade)
Harder and less
conformable
1/2"–14" dia.
1/8"–1" wide
Exceptions depend on product type. Refer to the specific description page for availability.
* When comparing same density numbers
1
Convolute / Molded Wheels
Scotch-Brite
™
Convolute Wheel performance differences can be attributed to mineral (aggressiveness) and
density (hardness). The combination of these two characteristics and subtle variations determine if the wheel
will cut more aggressively or will be more durable and less conformable (See depiction below).
Less
Aggressive
More
Aggressive
Softer
Harder
Legend
CP
CPM
CS
EXL
Cut and Polish Wheel
CPM Wheel
Clean and Strip Rim Wheel
EXL Deburring Wheel
GP
LDW
MF
MU
General Purpose Wheel
Light Deburring Wheel
Metal Finishing Wheel
Multi-Finishing Wheel
SF
SST
XR
SF Finishing and Deburring Wheel
SST Deburring Wheel
XR Metalworking Wheel
* Numeric designators (8/9) represent mineral aggressiveness; not density.
** XR Wheel Grades:
2410
= 240/100 Grade Mineral;
1208
= 120/80 Grade Mineral;
805
= 80/50 Grade Mineral
*** XR Wheel Density:
H
= Hard
Convolute Wheel Diameters and Standard Core Sizes
Wheel Diameter
Standard Core Size
4"
1"
6"
1", 1-1/4"
8"
3"
10"
5"
12"
5"
14"
8"
16"
10"
18"
10"
20"
12"
24"
12"
2
Convolute / Molded Wheels
Scotch-Brite
™
Wheels for Deburring
Softer
Harder
Deburring
Applications
Carbon Steels
Deburr machined or
formed parts
Deburr shear edges
Deburr keyways
Alternatives:
Starting Point
EXL Deburring Wheel,
9S-fine (FIN)
EX2 Deburring Wheel,
9S-fine (FIN)
EXL Deburring Wheel,
9S-fine (FIN)
EXL Deburring Wheel,
9S-fine (FIN)
EXL Deburring Wheel,
9S-fine (FIN)
EX2 Deburring Wheel,
9S-fine (FIN)
EXL Deburring Wheel,
8S-fine (FIN)
EX2 Deburring Wheel,
9S-fine (FIN)
EXL Deburring Wheel,
8S-fine (FIN)
EXL Deburring Wheel,
9S-fine (FIN)
More Aggressive
EXL Deburring Wheel,
8A-medium (MED)
EX2 Deburring Wheel,
8A-medium (MED)
EXL Deburring Wheel,
8A-medium (MED)
SF Finishing and
Deburring Wheel,
11S-medium (MED)
SF Finishing and
Deburring Wheel,
8S-medium (MED)
EXL Deburring Wheel,
8A-medium (MED)
EX2 Deburring Wheel,
9S-fine (FIN)
EX2 Deburring Wheel,
8A-medium (MED)
EXL Deburring Wheel,
9S-fine (FIN)
EXL Deburring Wheel,
8A-medium (MED)
EXL Deburring Wheel,
9S-fine (FIN)
Light Deburring Wheel,
7S-fine (FIN)
Less Aggressive
EXL Deburring Wheel,
8S-fine (FIN)
EXL Deburring Wheel,
9S-fine (FIN)
EXL Deburring Wheel,
8S-fine (FIN)
EXL Deburring Wheel,
8S-fine (FIN)
EXL Deburring Wheel,
8S-fine (FIN)
EXL Deburring Wheel,
8S-fine (FIN)
Light Deburring Wheel,
7S-fine (FIN)
EXL Deburring Wheel,
8S-fine (FIN)
Light Deburring Wheel,
8S-fine (FIN)
Light Deburring Wheel,
7S-fine (FIN)
General Purpose Wheel,
5A-very fine (VFN)
General Purpose Wheel,
5A-very fine (VFN)
Stainless Steel,
Titanium
(Nickel Alloys)
Deburr turbine blades
Remove wire edges on
surgical instruments
Radius edges on
stamped parts
Deburr piston rings
Aluminum, Copper,
Brass (Soft Metals)
Remove aluminum
flashing
Radius edges of
aluminum extrusions
Deburr automotive or
appliance trim
Deburr brass medallions Light Deburring Wheel,
7S-fine (FIN)
Other — Composites,
Plastics, Glass, etc.
Deburr plastic parts
Light Deburring Wheel,
6S-fine (FIN)
A = Aluminum Oxide S=Silicon Carbide
3
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