Global Manufacturing, Inc
®
800.551.3569
TOLL FREE USA & CANADA
1801 East 22nd Street
501.374.7416
TEL
501.376.7147
FAX
Little Rock, AR 72206 USA
w w w. G l o b a l M a n u f a c t u r i n g . c o m
3
II. Installation Procedures
The key to successful
vibration is a proper mount
because rotary vibration
resonates the material
inside the structure, when
the vibrator is mounted
correctly. Rotary vibrators
should appear motionless
and make minimal noise.
Do not mount the vibrator directly to the
structure wall. Use a channel iron stiffener for
proper mount rigidity and as the transducer of
the vibrational energy.
Channel Irons - Size & Mounting
Install channel iron at least two-thirds the height
of the sloped portion of the hopper, but not less
than 6 feet (1.83 m) in length and the width not
less than the base width of the vibrator. See
chart below for recommended channel sizes. Do
not install more than one vibrator on the same
channel iron or use a channel iron shorter than the
recommended length. A short channel may flex
the bin wall.
Attaching the vibrator to the channel iron.
Stitch weld nuts to the back of the channel iron
or the channel iron may be drilled and tapped to
accept the mounting bolts. An alternate method is
to cut a second channel iron slightly longer than
the footprint of the vibrator. Stitch weld the second
channel iron to the first. Do not weld the ends.
Mount the vibrator to the second channel iron.
Stitch weld the channel iron vertically to the
sloped portion of the bin wall. Weld 3 inches
(7.5 cm), skip 1 inch (2.5 cm), weld 3 inches (7.5
cm), etc... Leave 1 inch (2.5 cm) un-welded on
the ends and corners. This allows the vibration to
dissipate out the ends of channel without causing
stress cracks to the hopper or bin. By doing so,
should the weld fail, the entire mount will not fall
off. Do not mount the channel iron horizontally.
Secure the vibrator to the channel iron with
SAE coarse thread grade 8 plated bolts with
lock washers or an adhesive such as Loctite
®
262. Tighten bolts in a sequential process. At least
two passes are required in most situations. Give
all bolts the same torque value. Grade 8 bolts can
handle more torque than standard bolts. If Loctite
®
is not used, retorque the bolt after the vibrator has
operated for a few minutes and check tightness
often. If Loctite
®
is used do not retorque the bolts
as this will break the Loctite
®
bond.
Attach a safety cable to a stronghold (not the
channel iron mount), which is higher than the
mounted vibrator and capable of holding the
vibrator’s weight.
Install a channel iron that is at least two-
thirds of the height of the sloped portion of
the hopper but no greater than 10 feet (3 m).
Important!
Caution!
Mounting GCL cradle lug model - Stitch weld a
GCL Bracket to the back of the channel iron. Do not
weld the ends. Mount the vibrator in the bracket by
sliding the foot into the GCL Bracket, lowering the
latch bolt into the fingers on the vibrator housing,
and securely tighten the nut.
Piggy-back
channel
Stitch weld channel iron
Do not weld the ends of the channel
iron. This allows the vibrational force to
"escape". Solid welded ends trap the force
which can cause stress cracks.
Stitch weld
channel iron
Do not weld the ends of the
channel iron. This allows the
vibrational force to “escape”.
Solid welded ends trap the force
which can cause stress cracks.
Hopper
Stitch weld
GCL Bracket
to channel
Channel Iron Designation
Model
Channel
Iron
Minimum
Length
GCL- 4400
GCD-4400
C4" x 5.4 lb/ft
60"
C100 x 8 kg/m
1524
mm
GCL- 5000
GCD-5000
C4" x 5.4 lb/ft
72"
C100 x 8 kg/m
1829
mm
GCL- 5500
GCL- 6500
GCD- 5500
GCD- 6500
C4" x 7.25 lb/ft
72"
C100 x 11 kg/m
1829
mm