The
production line for steel poles was designed and constructed
by BENTELER COMPANY of GERMANY. It is equipped with the latest
technical machinery and operates to a great extent
automatically. Conical round and Polygonal poles are produced.
The
main technology process of the tapered tubular steel poles
including:
Digital Control Flame Cutting
Machine to cut flange plate and thick steel plate
Cross
Cutting process is to cut the steel plate of the stipulated
length from the steel roller. The length of the cross cutting
is transferred into DNC system by the roller examining speed.
Length error is within 2mm. This process can guarantee the
length tolerance.
Longitudinal
Cutting process is to cut the steel plate from the cross
cutting machine into two equilateral trapezoid. The top side
of the trapezoid decides its top diameter and the bottom side
of the trapezoid decides its bottom diameter.
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Each
of the two Press Machine is 1000 tons and their stroke is 400
mm. The total Length of the bench is 14 meters. The Conical
Round Semi-pole will be pressed for three times. The Polygonal
Poles should be pressed for times of numbers of edges
subtracting 1. The propellers on both sides of the bench is
controlled by the computer to adjust the position between the
plate and the press machine. The press machine is controlled
by DNC system to control the capacity of the two pumps.
The
welding machine is two 600 KW Automatically Submerged Welding
Machine. The semi-pole will pass through the clamp roller of
the machine and the DNC system will control the width of the
clamp roller and the pressure of the Hydraulic pressure. The
good coordination of the electric current, voltage, speed of
the semi-poles will make the welding seam of high quality. The
best of welding selects ultrasonic flaw detector.