NARGESA MC650 Manual de usuario
INSTRUCTIONS BOOK
PRADA NARGESA, S.L
Ctra. de Garrigàs a Sant Miquel s/n · 17476 Palau de Santa Eulàlia (Girona) SPAIN
Tel. +34 972568085 · [email protected] · www.nargesa.com
SECTION BENDING MACHINE
MC650
NS: 2020-240
Thank you for choosing our machines
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INDEX
1. MACHINE DETAILS ................................................................................................................. 3
1.1. Machine identification details ........................................................................................ 3
1.2. Dimensions .................................................................................................................. 3
1.3. Description of the machine .......................................................................................... 3
1.4. Machine part identification .......................................................................................... 4
1.5. General characteristics .............................................................................................. 5
1.6. Description of the guards ............................................................................................. 6
2. TRANSPTRANSPORT AND STORAGE .................................................................................. 7
2.1. Transport ..................................................................................................................... 7
2.2. Storage conditions ........................................................................................................ 7
3. MAINTENANCE ........................................................................................................................ 8
3.1. Lubrication of moving parts ...................................................................................... 8
3.2. Lubrication of straigthener arms ……………………………………………………….…. 8
3.3. Hydraulic oil change ………………..……………...………………………………………. 9
3.4. Ckeckup of hydraulic instalation …………………..……………………………………… 10
4. INSTALLATION AND START UP ........................................................................................ 11
4.1. Positioning the machine .............................................................................................. 11
4.2. Dimensions and work area .................................................................................. 11
4.3. External permisible conditions ............................................................................... 11
4.4. Instructions for connecting to the power supply .......................................................... 12
5. INSTRUCTIONS FOR USE .................................................................................................. 16
5.1. Bending principles …................................................................................................... 16
5.2. Assembly of the rollers ............................................................................................... 16
5.3. Instruction manual ...................................................................................................... 17
5.3.1. Pilot lights …………………………..………………………………..……………. 18
5.3.2. Main buttons ………………….………………………………………………….. 18
5.3.3. Roller position controllers …………………………...………………………...… 19
5.3.4. Direction of rotation of rollers …………………………………………………. 19
5.4. Working position ……………...…………………………………………………………… 20
6. WARNINGS ............................................................................................................................. 22
6.1. Residual hazards ........................................................................................................ 22
6.2. Counter-productive methods ....................................................................................... 22
6.3. Other recommendations ............................................................................................. 22
7. ASSEMBLY OF THE ROLLERS ........................................................................................ 23
7.1. Bending capacity ......................................................................................................... 24
8. OPTIONAL ACCESSORIES ................................................................................................... 25
TECHNICAL ANNEX
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1. MACHINE DETAILS
1.1. Machine identification details
1.2. Dimensions
Picture 1. External dimensions of the MC650 bending machine
1.3. Description of the machine
The MC650 bending machine is a machine specifically designed for bending profiles, the majority of which
are metal, with different thicknesses and configurations, such as solid profiles, pipes, T-profiles, angles...
The bending machine offers a set of standard tools, rollers, to allow the bending of profiles in a range of
shapes and sizes.
Apart from the standard rollers, the manufacturer also offers different types of additional rollers to produce
other types of bending, according to the configuration of the material to be handled, as well as specific
rollers for work with stainless steel or aluminium, manufactured with * SUSTARIN for jobs in stainless steel
or aluminum avoiding the material to be damaged or scratched.
* Sustarín: Polyoxymethylene, high resistance and high rigid crystalline thermoplastic, low friction and excellent dimensional stability
PRADA NARGESA S.L. is not liable for any damage that might occur due to misuse
or failure by users to comply with the safety standards.
Trademark Nargesa
Type Section bending machine
Model MC650
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SECTION BENDING MACHINE MC650
1.4. Machine part identification
* Upper main roller
Straightener roller
* Lower main rollers
Straightener guide nut
Hydraulic cylinder
Control panel
* Bending rollers
Nuts to secure the position
of the straightener roller
Anti-rotation plate of the
straightener
Main switch
Connector
Anchoir point
for lifting
Anchor point for horizontal
position rotation
Hydraulic assembly
Oil level sight glass
Adjustment nut for
Back cover
of motor
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Figure 2. Nameplate
1.5. General characteristics
Hydraulic unit features
Motor power 3 Kw / 4 CV to 1400 r.p.m.
Intensity 12 / 7 A
Voltage supply 230/400 V 3 phased
Traction 3 rollers
Rollers speed 5 r.p.m.
Diameter of rollers 202 mm
Diameter of axis Lower 65 mm / Higher 80 mm
Useful axis length 160 mm
Structure material Sheet
Weight 1250 Kg
Dimensions 1300x990x1300 mm
Motor power 0.75 Kw/1 CV a 1400 r.p.m.
Intensity 3.5 / 2 A
Pump 1,5 l/min
Work pressure 200 bars
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SECTION BENDING MACHINE MC650
1.6. Description of the guards
The gear motor and all the gears that allow the operation of the machine are located under the main upper
cover that protects the mechanisms.
Although the major mobile elements are protected by the upper cover, it is necessary to take special
precautions during bending operations in order to avoid entrapment between the rollers and the piece
being bent.
Figure 3. Mechanism protection guards
Protection
drive unit
Frontal
protection
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2. TRANSPORT AND STORAGE
2.1. Transport
There are two ways of carrying out the transportation of the machine:
- From the bottom, through the base of the machine, using a pallet jack or forklift as shown in the illustra-
tion. Never raise the machine more than 200 mm from the surface in order to prevent the risk of tipping
- From the top of the machine, from the anchor point designed for this purpose defined in figure 4, using a
crane or forklift.
Figure 4. Transportation of the machine
2.2. Storage Conditions
The bending machine shouldn’t be stored in a place that does not meet the following requirements:
- Humidity between 30% and 95%
- Temperature of -25 °C to 55 °C or 75 °C for periods not exceeding 24hrs
(remember that these temperatures are in storage conditions)
- Machines or heavy objects should not be stacked on top
Anchoir point for lifting
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SECTION BENDING MACHINE MC650
CAUTION: The "Emergency Stop" push button must be pressed and the machine brought to a stop in
order to lubricate the machine”.
3. MAINTENANCE
3.1. Lubrication of moving parts
It is advisable to keep clean the machine moving parts, whenever posible, in order to ensure a correct per-
formance and thus make its useful life longer.
In order to lubricate the moving parts of the machine that require lubrication, it’s recommended to follow the
next instructions:
- Clean the surface to be lubricated with a cotton cloth or a soft rag that does not release any threads. To
remove the accumulated grease and any possible residues that have become stuck to it.
- After cleaning, reapply grease onto the surface with the help of a rag or a spatula.
- Spread the grease evenly without creating excesses or clumps.
- Lubricate the machine regularly, according to use.
* It is recommended to use lithium grease for the rollers N.850 EP-2.
3.2. Lubrication of straigthener arms.
In order to carry out the lubrication of the straigtheners:
1. we’ll place the rollers at the lowest position of the guide..
2. Then we clean and lubricate the guide.
Lubrication of the strraigthener guide.
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3. We’ll put the roller up and lubricate its axis
4. We repeat three times the operation of moving the roller up and down so the grease can be properly
distributed along the surface.
Lubrication of the roller axis
5. We clean and lubricate the rear guide and place it in its máximum front point.
6. We move the guide frontwards and backwards so the grease is properly distribute along the surface.
Engrase de la guía trasera
3.3. Hydraulic oil change
To replace the hydraulic oil, we recommend to follow the steps below:
- Check the oil level in the tank every 500 hours of use, checkup the oil level in the hydraulic tank located in
the base inner side. In order to have a correct information about the oil level, the inner lower rollers must be
in their lowest position.
- The oil cap is located at the top of the tank. If it is necessary to add oil, fill to the level of the sight glass
at the front of the tank.
- Change the hydraulic oil in the tank every 2000 hours of work or every 5 years.
- Remove the old oil in a tray and dispose of it at the nearest recycling point.
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