Systems
Log
Washer Features
Gear and Drive Assembly
Shafting
External
Bearing
Paddle
Design
Standard
Ni-Hard Adjustable Wear Paddles, Paddle Base and Log Shafts
Large Heavy-Duty Tub
Heavy-Duty
Skid Frame
Rising
Current Injection
Clean-Out
Drain
Send
Us A Sample
Optional
Features
Final Rinse Spray Bar
GEAR
AND DRIVE ASSEMBLY
The GreyStone gear reduction is totally enclosed within an oil bath
gear box. The Log Washer shafts are driven by twin helical, synchronized
precision gears. The gear reduction is accomplished with only two sets
of reducer gears. All shafts are mounted in flange bearings which are
standard off-the-shelf items. The lower bearings are all externally
mounted and can be pressure-lubricated with ease. This unique reduction
is designed with service and customer convenience in mind.
SHAFTING
The heavy stub of mirror-smooth, heat-treated shafting is fitted into
a hard stainless steel spacing sleeve. Shaft and sleeve are driven through
a heavy-duty rubber gasket that fits snugly between the connecting disc
and tub. A specially designed sling fits perpendicular to the shaft
between the roller bearing and sleeve. It turns with the shaft further
protecting the exterior mounted bearing from seal leakage.
EXTERNAL
BEARING
GreyStone Log Washers have externally mounted pillow block bearings
on the lower end that are standard off-the-shelf items available in
all metropolitan cities nationwide.
PADDLE
DESIGN
GreyStone Log Washers have a superior design in which paddles are positioned
in a spiral along the log shaft. The spiral action will eliminate intermittent
shock loading on the shaft and gear box. Other log washers using in-line
paddle placement are confronted with increased energy requirements,
vibration and continuous shock load on the drive system. The GreyStone
spiral design will give continuous motion in the material, resulting
in maximum scrubbing action. The material being agitated in a continuous
motion will reduce energy requirements.
ADJUSTABLE
NI-HARD WEAR PADDLES, PADDLE BASE, AND LOG SHAFTS
The paddle bases have a unique design which allows extra wear life.
The bases have two sets of bolt holes which will allow you to move the
Ni-Hard wear-resistant paddles out after the ends have been worn off.
Ni-Hard wear paddles provide maximum service life with minimum maintenance
requirements. This will give extra life from these wear shoes. GreyStone
wear shoe paddles are mounted to the bases with Grade 8 bolts. The paddle
bases are installed at the proper angle to the extra-heavy seamless
steel pipe. This will give maximum washing action with the highest possible
production. The heavy seamless steel log shafts have flanges welded
to both ends. After these flanges have been installed they are precision
ground to provide you with maximum bearing, gear and shaft service.
LARGE
HEAVY-DUTY TUB
GreyStone designs strong and rigidly constructed Log Washers to provide
years of maintenance-free service. Each GreyStone Log Washer is all-welded
construction made of heavy plate steel with angle iron skid frame to
reduce moving and set up time, protect bearing, gear box and V-Belt
drive, and give rigidity during operation.
HEAVY-DUTY
SKID FRAME
GreyStone standard series washers are equipped with a heavy-duty skid
frame. Pull a GreyStone to where it is needed without using a crane…an
Exclusive GreyStone Feature.
RISING
CURRENT INJECTION
The rising current water enters the Log Washer tub from the bottom and
filters up, separating fines, dirt and other extraneous matter, which
is carried to the top and forced out with the overflow. The water is
injected between the log shaft through a perforated dome-shaped injection
system. Additional water may be added through spray bars mounted along
the top of the tub. It is recommended that aggregate be pressure sprayed
on a screen following the log wash.
CLEAN-OUT
DRAIN
An easily operated clean-out valve is provided on the lower end of the
tub for flushing and draining of the tub reservoir.
SEND
US A SAMPLE
Send us a sample of your pit run material for a free examination and
recommendation for the best equipment selection to meet your requirements.
OPTIONAL
– FINAL RINSE SPRAY BAR
This will help remove film and residue material from product. This would
be mounted above and between the paddle shafts at the dry deck end of
the log washers.
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