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MG WELDING WHM-2020
3. Basic Construction
3.1 Hoisting Assembly
This is a lifting system, which moves the entire Mast Plate Assembly, the
Boom, Welding Head and all ancillary fixtures that is mounted therein, up
and down the column.
The lifting force is effected via a geared motor c/w brake on a chain.
3.2 Mast Plate
The Mast Plate or commonly refer as the Saddle, is fitted with guide rollers
for the boom and guides the column.
The front face guide rollers engaged onto the Boom, thus allowing the Boom
to traverse left or right.
The rear face guides engaged onto the guide Rail of the Mast, thus allowing
the Mast Plate to move up or down.
3.3 Column or Mast
The Column is constructed in a box-up design and the rails are machined in a
single pass to ensure a tight tolerance.
The column is bolted down onto a Slew Ring, the latter being mounted on a
Fixed Base or a Travel Car.
a
locking screws.
3.4 Boom
This is tabular in construction and offer both rigidity and torsion, thereby
minimizing deflection during operation.
The guide rails are precision-machined in a single stroke.
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Содержание WHM-2020
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