PRADA NARGESA MC200 Manuel utilisateur

INSTRUCTIONS BOOK

PRADA NARGESA, S.L

Ctra. de Garrigàs a Sant Miquel s/n

17476 PALAU DE STA. EULALIA (GIRONA) SPAIN

Tel. 972 568085 - Fax 972 568320

www.nargesa.com - [email protected]

BENDING MACHINE

MC200

Thanks for choosing our machines

www.nargesa.com

MC200 BENDING MACHINE INSTRUCTION BOOK 2

TABLE OF CONTENTS

1. MACHINE DETAILS ................................................................................................................

1.1. Machine identification details ......................................................................................

1.2. Dimensions .................................................................................................................

1.3. Description of the machine ..........................................................................................

1.4. Machine part identification ..........................................................................................

1.5. General characteristics ...............................................................................................

1.6. Description of the guards ...........................................................................................

2. TRANSPORT AND STORAGE ...............................................................................................

2.1. Transport .....................................................................................................................

2.2. Storage conditions ......................................................................................................

3. MAINTENANCE .......................................................................................................................

3.1. General maintenance ..................................................................................................

4. INSTALATION AND START UP ..............................................................................................

4.1. Positioning the machine .............................................................................................

4.2. Dimensions and work area .........................................................................................

4.3. External admissible conditions ...................................................................................

4.4. Instructions for connecting to the power supply ..........................................................

5. INSTRUCTIONS FOR USE .....................................................................................................

5.1. Bending principles ......................................................................................................

5.2. Assembling the rollers ................................................................................................

5.3. Positioning the base-plate ...........................................................................................

6. WARNINGS .............................................................................................................................

6.1. Residual hazards .......................................................................................................

6.2. Counter-productive methods ......................................................................................

6.3. Other recommendations .............................................................................................

7. ASSEMBLY OF THE ROLLERS ............................................................................................

7.1. Bending capacity ........................................................................................................

7.2. Different bending samples ..........................................................................................

8. OPTIONAL ACCESSORIES ...................................................................................................

TECHNICAL ANNEX

MC200 BENDING MACHINE INSTRUCTION BOOK 3

1. MACHINE DETAILS

1.1. Machine identification details

Trademark: NARGESA

Type: Hydraulic bending machine

Model: MC 200

1.2. Dimensions

Figure 1. External dimensions of the MC200 bending machine

1.3. Description of the machine

The MC200 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 roll-

ers for work with stainless steel or aluminium, manufactured with *Sustarin, that prevents scratches and

damage on the surfaces.

* 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.

MC200 BENDING MACHINE INSTRUCTION BOOK 4

1.4. Machine part identification

Anchor point

Vertical roller guide adjustment screws

Upper roller adjustment handle

Upper roller adjustment spindle

Roller guides deformation adjustment

Top roller - smooth *

Lower rollers - knurling *

General switch

Emergency

stop

Pedals

Terminals cover

Base-plate fastener

Electrical panel

* Bending rollers

MC200 BENDING MACHINE INSTRUCTION BOOK 5

Figure 2. Nameplate

1.5. General characteristics

Motor power 1.1Kw/1.5 CV a 900 r.p.m.

Voltage 230/400 V 3 phased

Intensity 5.2 / 2.6 A

Type of pull Two rollers

Roller speed 8 r.p.m.

Axes diameter 40 mm

Axes useful length 74 mm

Structure material Plate

Total weight 320 Kg

Dimensions 830x685x1350 mm

MC200 BENDING MACHINE INSTRUCTION BOOK 6

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 pre-

cautions during bending operations in order to avoid entrapment between the rollers and the piece being

bent.

Figure 3. Mechanism protection guards

MC200 BENDING MACHINE INSTRUCTION BOOK 7

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

- Do not take apart for storage

CAUTION:

Before moving the machine, it is essential to check that the screw located in the interior of the cabinet, at

it’s top, is properly secured. This ensures the work of the machine in vertical position without it moving.

If the machine is moved while it is in upright position without the screw being correctly secured, there is

danger that the machine could tip over, damaging its structure or harming users handling it .

MC200 BENDING MACHINE INSTRUCTION BOOK 8

3. MAINTENANCE

3.1. General maintenance

- It is recommended to keep greased the upper roller adjustment spindle, to ensure proper operation, pre-

vent stiffness, and to extend its useful life.

- It is advisable to keep the friction rule lubricated along which the upper roller support slides. It is also nec-

essary to ensure a minimum lubrication of the inner walls along which the upper roller support slides.

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.

- Once the machine is lubricated, using the upper roller adjustment handle that controls the height of the

upper roller, raise this until it reaches its highest point.

- When the upper roller comes to its highest point, reverse the direction of the adjustment handle, to lower

the roller to its lowest point.

- Repeat the operation to ensure that the friction rule is lubricated.

- Lubricate the machine on a regular basis according to its use.

* It is recommended that you use lithium grease type: N.850 EP-2 for bearings.

CAUTION:

The "Emergency Stop" push button must be pressed and the machine brought to a stop in order to lubri-

cate the machine”.

MC200 BENDING MACHINE INSTRUCTION BOOK 9

4. INSTALLATION AND START UP

4.1. Positioning the machine

Locate the machine properly in order to avoid moving it; otherwise, follow the guidelines described in the

paragraph transport (no. 2). Must be placed on a flat, level surface to prevent it vibrating and moving during

bending operations.

It is possible to fix the machine using bolts due to the fact that it already comes with a lower base with four

holes as shown in figure 5.

Figure 5. Anchor points of the machine

4.2. Dimensions and work area

The dimensions must be considered when the machine is being placed, the working area for the operator

and the possible lengths of the parts to be worked.

The bending machine can be used by a single operator, who must be directly in the front of the machine to

be able to handle the piece being bend with safety, and never on the side.

Prior to commencing the bending operation, with the machine shut down, the operator must adjust the

bending rollers, adapting them to the material and the profile to be bent, as shown in paragraph 7, figure

12 .

Figure 6. Operator's working area

4.3. External permissible conditions

- Room temperature between +5 °C and +40 ºC without exceeding an average temperature of +35 °C

within 24 hrs.

- Humidity between 30% and 90% without water condensation .

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