Preparing a Reel for Grinding
Note:
Check to make sure the reel bearings are in
4. After completing the grinding process:
good condition before grinding the reel. Make sure the
cutting unit frame and roller brackets are true and not
bent or damaged.
A. Install parts that were removed to mount the cut-
ting unit onto grinder.
B. Install bedbar assembly (see Bedknife/Bedbar
Assembly).
1.
Disassembly).
Remove the bedbar assembly (Bedknife/Bedbar
C. Do a complete cutting unit set−up and adjust-
ment procedure (see Adjustments section).
2.
unit into the grinder (e.g., front roller, front roller brack-
ets).
Remove parts as necessary to mount the cutting
Reel Grinding Specifications
3.
Follow the grinder manufacturer’s instructions for
Nominal Reel Diameter
Service Limit Reel Diameter
Blade Relief Angle
Relief Angle Range
Blade Land Width
8 in (206 mm)
set−up and operation of the grinder.
7.2 in (182 mm)
30o
Note:
The cutting unit must be aligned so the grinding
wheel will travel parallel to the reel shaft. This will result
in the reel being ground to the desired cylinder shape.
20o to 40o
0.060
in (1.5 mm)
0.050 to 0.090 in (1.3 to 2.3 mm)
0.060 in (1.5 mm)
Note:
When grinding, be careful to not overheat the
Land Width Range
Max. Reel Taper
reel blades. Remove small amounts of material with
each pass of the grinder.
BLADE RELIEF ANGLE
REEL DIAMETER
BLADE
LAND
WIDTH
D1
D2
REEL DIAMETER TAPER = D1 − D2
Figure 25
Cutting Units
Page 7 − 14
Reelmaster 4000−D
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