3 rolls bending machines – RCS type0 pages

3 rolls bending
machines – RCS type

n Hydraulic machines
n 3 Driven rolls - No lamination
n Wide opening between the rolls
(bending of thick flanges, flat plate or channels)
n Speed and position-synchronised rolls
n Prebends edges with no turning around of the plate
Minimal flat portion of trailing ends
n Easy cone rolling - Calibration
n Hydraulic opening head
n No pit

Capacity : 2-40 mm* Useful length 1-6 m

Design
Design
> Mechanically welded, generously sized steel section frame
Extreme stiffness facilitates machine levelling and anchoring.

RCS 235-30 (10 mm in 3 m)*

> Frame design and assembly ensure a perfect geometry
with no deflection over time regardless of load.
The wide space around the hinged bearing assembly and the
retractable brake permit rolling all types of cones, providing
very good visibility.
> The full enclosure provides optimal operator and machine
component protection.

Rolls
Rolls
> A polished finish prevents damage to prefinished parts,
even parts in such highly sensitive materials as prelacquered
aluminium, Reynobond type composite materials, etc.

Prebending with 3 rolls

> Optional roll hardening ensures optimal service life, even
in the case of intensive usage on steel, stainless and high-yield
steels. Hardening methods used ensure a surface hardness of
between 45 and 65 HRC.
> Rolls are high-quality steel with selected and traceable
properties.
RCS 205-24 NC (9 mm in 2,5m)*

> Rolls are shaped to application : their profile is designed for optimal results within a known capacity range to
eliminate defects at capacity limits.

Functions
Functions
Movement
Reynobond® Project
Crédit Mutuel Dijon - DUFAY-SERDAROGLU

Rotation
> The bottom rolls move independently in symmetrical
rectilinear guideways.
> Each roll is moved by two
double-acting hydraulic cylinders.
> Force transmission is direct
to maximise performance.

RCS 400-30 CN
(30 mm in 3 m)*

> The use of proportional
valves allows highly precise
control of roll movement.
Depending on control system ordered, control of parallelism
and roll tilt for cone rolling is hydraulic or electronic.
Both systems ensure optimal setup with no readjustment during operation.
This technology requires no additional mechanical means of
moving and controlling the rolls.
The absence of wearing parts significantly reduces the frequency and cost of maintenance.

> The roll-and-bearing assembly procures maximum
reliability and minimum
maintenance. All roll bearings
are pressure lubricated by
a central pump (manual of
automatic control, depending
on model).
> The 3 rolls are driven by heavy-duty hydraulic motors or geared hydraulic motors on the shaft ends to prevent power loss.
> Direct hydraulic roll control ensures precise workpiece movement in the machine, notably during prebending.
All hydraulic actuators are centrally controlled.
> A calibrated pressure relief device prevents overpressure of
both the hydraulic cylinders and the geared hydraulic motors
for maximum operational safety.
> At equal performance, all components (motor, pump, valves,
piping, etc) are selected for reliability.

Bucket for public works

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