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HAEUSLER HPR 15 ASYM. V + H A SYMMETRICAL SECTION BENDING MACHINE VERTICAL AND HORIZONTAL

1 asymmetrical section bending machine vertical and horizontal
For bending of commercial rolled steel profile sections such as I-beams, T-, angle-, flat-, squares and round irons as well as tubes according the enclosed capacity chart.
Brand HAEUSLER
Type HPR 15 asym. V + H
Year of construction 1992
Overhauled 2013
MACHINE DESCRIPTION
Frame
The machine frame is of heavy rigid welded steel construction.
Adjustment
The adjustment of the two side rollers are hydraulic by ample dimensioned cradles.
Bearing of Roller Shafts
The roller shafts are beared in heavy duty self-aligning roller bearings, filled with lubrication grease and therefore maintenance-free.
Roller Drive
Each of 3 rollers is driven by an independent hydromotor over reduction gear unit. Reduction gears are maintenance-free.
Speed Compensation
Since all 3 rollers are driven by a separate hydromotor, a speed compensation between the rollers is necessary. The hydraulic drive of each individual bending roller allows an optimum speed compensation at each bending situation.
Sliding of the bending rollers on the work piece to compensate the circumferential difference between inner and outer diameter is avoided. This affects positively on the bending quality and durability of the machine and tooling.
Hydraulic Unit
The hydraulic unit is built into the machine frame and easy accessible. The volume of the hydraulic reservoir corresponds to the multiple of the flow per minute. This guarantees, because of the minimal temperature rise, longer life time of the hydraulic oil.
Fail-save, maintenance free and low noise internal gear pumps are used.
Indicators for Side Roller Position
Digital indicators of two adjustable bending rollers position are built into the operators control panel. Readout accuracy is 0,1 mm allows an accurate resetting of the roller positions while repeating jobs.
Guide Roller Supports
Onto the machine front, left and right from the bending rollers are fitted two independent guide roller supports. They guide the profiles to avoid a twisting of the profiles while bending (specially for asymmetric sections such as angles etc.). The guide roller system is also used to give the pitch when coiling. All movements are hydraulically controlled.
The possible adjustments are:
                         axial to guarantee the evenness and to give the pitch
                         radial for adjusting onto the bending diameters
                         slewable for adjusting onto the bending radius center

Mounting of the Tooling
The bending rollers are mounted onto the roller shafts by help of a hoist and fixed with a screw nut. The same screw nut is used to adjust the bending rollers onto the actual profile dimension.
TECHNICAL DATA
Max. section modulus at material yield point of 240 N/mm2 158 cm3
Number of bending rollers 3
Arrangement of the bending rollers asymmetric
Diameter of bending rollers 500 mm
Driven bending rollers all 3
Drive of the bending rollers hydraulic
Working speed (also at max. section modulus) 3,5 + 7 m/min
Speed compensation between top and bottom rollers automatic
Reversing of the rolls turning direction electro-hydraulic
Adjustable bending rolls two (side roller)
Adjustment of the two side rollers hydraulic
The bending rollers can be adjusted individually or simultaneously
Indicating device for rollers position digital, readout accuracy 0,1 mm
Bending shaft bearing roller bearing
No of guide roller supports 2
Adjustment of the guide roller systems:
                         axial hydraulic
                         radial hydraulic
                         slewable hydraulic

Control central, from the mobile
control panel
Totally installed capacity 18,5 kW
Weight of the machine with bending tools approx.12 t
 

Electr. equipment Brand Siemens
Hydraulic Brand Rexroth
Operational voltage 380 Volt
Coat of colour green RAL 6011
SCOPE OF SUPPLY
Machine, complete with motors, electric and hydraulic equipment, without bending rollers
Bending roll – guide covering against forging scales
Execution of the machine for horizontal and vertical operation
Guide roller supports
Digital indicating device (2 pieces)
1 Set of Universal Bending Rollers
for rolled steel profiles such as T-, angle-, flat-, squares and round sections.
Capacity according capacity chart HPR 15
1 Set of Additional Rings
to universal bending roller to bend "U" and "I" sections over Y-Y-axe

Ref. 51392