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NARGESA 2020-240, Instruction Book, Page: 24 / 54

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NARGESA 2020-240 Instruction Book Download Page 24

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  23  

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7. ASSEMBLING OF THE ROLLERS

 

 

IMPORTANT NOTE:

 

The clamping nut of the rollers should never be tightened with a wrench and only by hand. If pipe rollers 
are being used, the nuts must be loose.

 

 

1. Front nut

 

M30x200

 

 

 

2. Thick washer

 

 

 

 

 

 

3. 65mm roller

 

 

 

 

 

 

4. 65mm roller

 

 

 

 

 

 

5. 40mm roller

 

 

Figure 14. Nomenclature of the rollers and assembly

 

Summary of Contents for 2020-240

Page 1: ...TRUCTIONS BOOK PRADA NARGESA S L Ctra de Garrigàs a Sant Miquel s n 17476 Palau de Santa Eulàlia Girona SPAIN Tel 34 972568085 nargesa nargesa com www nargesa com SECTION BENDING MACHINE MC650 NS 2020 240 ...

Page 2: ...Thank you for choosing our machines www nargesa com ...

Page 3: ... 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 rot...

Page 4: ...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...

Page 5: ...ener 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 ...

Page 6: ...oltage 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 ...

Page 7: ...d 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 ...

Page 8: ...g 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 te...

Page 9: ...ean 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 ...

Page 10: ...ydraulic 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 t...

Page 11: ...assembly to its location and secure it to the machine with the bolts We recommend the use of CEPSA HIDRÁULICO HM 68 hydraulic oil Identification of the components of the hydraulic set 3 4 Checkup of hydraulic installation Every 6 months we should make sure there is no arising oil leak in the hoses of the hydraulic circuit Hoses of hydraulic circuit Refilling cap Hydraulic tank Oil level peephole ...

Page 12: ...imensions 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 op...

Page 13: ...are Change the main motor coil connection Change the hydraulic motor coil connection Adjustment of intensity range of motor keeper at the hydraulic Change of motor keeper at the main engine Changing the motor connection When the power supply is 400 V three phase connect in Star form as preinstalled at the factory If the power supply is 230 V three phase proceed to connect in Triangle form As indic...

Page 14: ...he main motor when the mains voltage is 400 V three phase proceed to connect in Star form as preinstalled at the factory If the power supply is 230 V three phase proceed to connect in triangular form As indicated in the illustration It is necessary to change the configuration of the plates according to the voltage as was done with the main motor Figure 8 Changing the hydraulic engine connections T...

Page 15: ...e for protecting the main motor The regulator indication arrow must be around 5A for 230V three phase connection In the case of a 400V three phase connection this must be around 2 6A The left hand contactor is responsible for protecting the hydraulic motor The regulator indication arrow must be around 3 5A for 230V three phase connection In the case of a 400V three phase connection this must be ar...

Page 16: ...onnected to a 1 phase 230V power supply The machine must be connected with the plug installed to a compatible power supply that meets the requirements specified Figure 10 Engine connections The hydraulic system motor is located in the inside of the cabinet at the base of the machine The hydraulic group is located inside the cabinet with the motor secured to the tank and the terminal box located at...

Page 17: ...osi tion the final point of the lower rollers separately enabling you to obtain great position repeatability To adjust the alignment of the material it is necessary to modify the distance between the straighteners and the work surface This is done by acting on the nuts located at the back of the machine These straighteners guide the material so as to minimise lateral deformation The rollers of the...

Page 18: ...he machine can be controlled in a simple and intuitive manner 9 4 11 1 2 3 10 6 7 5 5 1 Emergency stop 2 Of On 3 Reset 4 Right roller position controllers 5 Selector 6 Roller position indicator 7 Potentiometer 8 Direction of rotation of rollers 9 Pilot lights 10 Roller position indicator 11 Left roller position controller 7 8 8 ...

Page 19: ...ssed and it is used to indicate that there has been an emergency stop It will go off when the emergency stop lock has been released and the reset button has been pressed 5 3 2 Main buttons To start and stop the bending machine as well as to reset it and carry out an emergency stop the control desk has the following buttons On Off switch Integrating both switches in the same element at the lower ce...

Page 20: ...e piston still has upward travel to reach the limit configured by the user with a potentiometer The central LED is a voltage indicator and will always remain on while the machine has voltage Finally the lower LED when on indicates that the piston still has downward travel to reach the minimum limit established electronically Selector As commented above the selector is used to switch between the in...

Page 21: ... machine in horizontal position 1 Secure the machine at the anchor point indicated in the illustration with a forklift 2 Lift the machine carefully until it is not in contact with the ground 3 Lower it so that the part behind the machine bed is resting on the ground 4 Using the forklift carefully move the machine backwards until the machine bed is totally resting on the ground ...

Page 22: ...izontal position WARNING To change the position of the machine from vertical to horizontal or vice versa it must be switched off and with the emergency stop button pressed When carrying out the operation make sure the control panel and power cables are not caught ...

Page 23: ...the extremities between the rollers and the part Users of the machine are recommended to handle the part to be bent firmly with one hand and to move the hand according to the progress of the bending operation in order to maintain a safe distance from the rollers It is also necessary to prepare the work area to prevent other operators from injuring themselves during operation of the machine 6 2 Cou...

Page 24: ...g nut of the rollers should never be tightened with a wrench and only by hand If pipe rollers are being used the nuts must be loose 1 Front nut M30x200 2 Thick washer 3 65mm roller 4 65mm roller 5 40mm roller Figure 14 Nomenclature of the rollers and assembly ...

Page 25: ...0 45 x 45 25 x 25 300 200 40 x 40 x 3 350 50 x 50 x 3 700 50 x 50 x 3 450 50 x 50 x 3 600 70 x 70 x 4 40 x 40 x 3 750 350 40 200 40 200 40 200 40 150 80 70 500 400 40 250 40 250 40 250 40 200 80 60 500 400 50 200 60 300 60 225 60 225 120 100 80 600 600 400 50 250 60 300 60 225 60 225 120 100 80 700 700 400 40 500 40 420 40 300 40 200 70 40 600 250 25 180 30 150 30 150 30 150 50 25 300 175 40 x 2 5...

Page 26: ... 140 08 08 RHT0008 90 49 50 Kg 140 08 08 RHT0009 100 41 00 Kg For Schedule pipe 140 08 08 RHISOT0001 3 8 1 2 17 2 21 3 mm 49 50 Kg 140 08 08 RHISOT0002 1 3 4 33 7 26 9 mm 43 75 Kg 140 08 08 RHISOT0003 1 1 4 42 4 mm 44 40 Kg 140 08 08 RHISOT0004 1 1 2 48 3 mm 41 60 Kg 140 08 08 RHISOT0005 2 60 3 mm 35 50 Kg 140 08 08 RHWT0006 2 1 2 76 1 mm 60 20 Kg 140 08 08 RHWT0007 3 88 9 mm 50 35 Kg 140 08 08 RH...

Page 27: ...I0007 80 11 80 Kg 140 08 08 RI0008 90 10 35 Kg 140 08 08 RI0009 100 8 80 Kg For Schedule pipe 140 08 08 RIISOT0001 3 8 1 2 17 2 21 3 mm 10 10 Kg 140 08 08 RIISOT0002 1 3 4 33 7 26 9 mm 9 00 Kg 140 08 08 RIISOT0003 1 1 4 42 4 mm 9 15 Kg 140 08 08 RIISOT0004 1 1 2 48 3 mm 8 65 Kg 140 08 08 RIISOT0005 2 60 3 mm 7 55 Kg 140 08 08 RIWT0006 2 1 2 76 1 mm 12 30 Kg 140 08 08 RIWT0007 3 88 9 mm 10 50 Kg 14...

Page 28: ... Machine General parts diagram Hydraulic group Straightener roller Hydraulic cylinder Electric box THREEPHASE MACHINE Electric maps THREEPHASE MACHINE Electric box SINGLEPHASE MACHINE Electric maps SINGLEPHASE MACHINE Hydraulic map ...

Page 29: ... A3 SECTION BENDING MACHINE MC650 A1 General parts diagram ...

Page 30: ... A4 ...

Page 31: ... A5 SECTION BENDING MACHINE MC650 ...

Page 32: ... A6 ...

Page 33: ... A7 SECTION BENDING MACHINE MC650 ...

Page 34: ... A8 ...

Page 35: ... A9 SECTION BENDING MACHINE MC650 ...

Page 36: ... A10 A2 Hydraulic group ...

Page 37: ... A11 SECTION BENDING MACHINE MC650 ...

Page 38: ... A12 ...

Page 39: ... A13 SECTION BENDING MACHINE MC650 A3 Straightener roller ...

Page 40: ... A14 ...

Page 41: ... A15 SECTION BENDING MACHINE MC650 A4 Hydraulic cylinder ...

Page 42: ... A16 ...

Page 43: ... A17 SECTION BENDING MACHINE MC650 A5 Electric box THREEPHASE MACHINE ...

Page 44: ... A18 ...

Page 45: ... A19 SECTION BENDING MACHINE MC650 A6 Electric mapS THREEPHASE MACHINE ...

Page 46: ... A20 ...

Page 47: ... A21 SECTION BENDING MACHINE MC650 ...

Page 48: ... A22 A7 Electric box SINGLEPHASE MACHINE ...

Page 49: ... A23 SECTION BENDING MACHINE MC650 ...

Page 50: ... A24 A8 Electric maps SINGLEPHASE MACHINE ...

Page 51: ... A25 SECTION BENDING MACHINE MC650 ...

Page 52: ... A26 ...

Page 53: ...7 SECTION BENDING MACHINE MC650 A9 Hydraulic map 1 Filter 2 Hydraulic pump 3 Electric motor 4 Pressure limiter 5 Bending solenoid 6 Cylinder solenoid 7 Piloted non return valves 8 Roller position cylinders ...

Page 54: ...ON MANDREL PIPE BENDER HORIZONTAL PRESS BRAKE TWISTING SCROLL BENDING MACHINES HYDRAULIC PRESS BRAKES HYDRAULIC SHEAR MACHINES GAS FORGES IRON EMBOSSING MACHINES END WROUGHT IRON MACHINES BROACHING MACHINES POWER HAMMERS PRESSES FOR LOCKS IRON WORKERS ...

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