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17

 

ELECTRONIC GRINDER G300

 

Original Insgtructions  

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 Rev. 00 

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.2018—In compliance with §  1.7.4 of the Machine Directive 2006/42/CE

 

 
 
 
 
 

G.B.C. Industrial Tools S.p.A.

 

Via Sandro Pertini 41/46 – 25046 Cazzago S.Martino (BS) – Italia – Tel. + 39 030 7451154 – Info: [email protected]

 

                                                   

 

                                                            

  

 

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5) Take a new grinding disc and the shim stamped with the details of the same disc 
thickness among those allowed by the technical  specifications of the machine.

 

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6) Insert the disc and the shim on the spindle guard as shown in the picture.

 

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7) Insert the spindle guard coupled with the abrasive disc in place making sure to 
match the internal hexagon pattern of the screws. N.B. To achieve a fast and correct 
fixing of the grinding disc engage the other side of the spindle guard with the hook 
wrench and leave it laying against the protection so that you can easily fasten the fi-
xing screw with one hand only.

 

6

 

7

 

5

 

Summary of Contents for G300

Page 1: ...INSTRUCTION MANUAL ELECTRONIC GRINDER G300 G B C Industrial Tools S p A Via Sandro Pertini 41 46 25046 Cazzago S Martino BS Italia Tel 39 030 7451154 Info sales gbcspa com Versione 00 2016 ...

Page 2: ... Disc Specifications Pag 11 Electric Controls Power Box Pag 12 Electric Controls Switchboard Pag 13 Function of the Electirc Controls Machine Start Up Pag 14 Machine Setup Replacing the Abrasive Disc Pag 15 Machine Setup Adjustment of the Angle of Incidence Pag 20 Machine Setup Use of the Guiding Wheels Pag 21 Machine Setup Replacement of the Guiding Wheels Pag 22 Manual Control Functions Position...

Page 3: ...stribution to natural per sons or to corporate bodies is strictly forbid den unless our prior approval to do so is ob tained G B C Industrial Tools S p A informs its customers that any operation carried out on the machines which is not pre scribed in this manual entails the automatic invalidation of the warranty G B C Indus trial Tools S p A recommends to contact the Maintenance Service in Torbiat...

Page 4: ...tance On the contrary the warranty will be void G B C and MSS obligations will cover the defect resolution the general maintenance and the inspection of the parts subject of the claim only The component replacement is at G B C discretion only The shipmen to costs from and to the MSS as well as the direct and indirect costs rising from repair of the product are at user s charge Any warranty repair ...

Page 5: ...INE The grinder G300 represents a crucial evolution of the grinding processes in the field of metal metalworking and heavy industries as well as an evolution of the general grinding processes granting the following advantages Significant reduction of the processing times in comparison to the normal grinders em ployment Material removal high rate No thermal alteration on the welding area Working ho...

Page 6: ...sary to obtain the authorization of the manufacturer G B C Industrial Tools S p A designs and assembles its machines in strict compliance with the safety regulations provided by the applicable EC directives and by the Italian laws regulat ing this matter G B C Industrial Tools S p A declines any responsibility for misuse of its machines and their use when in contrast with the regulation listed her...

Page 7: ...6 25046 Cazzago S Martino BS Italia Tel 39 030 7451154 Info sales gbcspa com SPECIFIC SAFETY PRESTCRIPTIONS FOR THE G300 WEAR ULTRAVIOLET PROTECTION GOGGLES WEAR EAR PROTECTION WEAR DUST MASK Apply a tag showing the grinding disc maximum speed 60 m s This speed must al ways be lower than the maximum speed sustainable by the disc which is declared by the manufacturer 80 m s ...

Page 8: ...54 Info sales gbcspa com La macchina viene fornita al cliente corredata di N 1 24mm Double Ended Hexagon Wrench N 1 80 120mm Hook Wrench N 1 24mm Wrench N 2 Hook Wrenches 40 42 N 1 6mm Allen Key N 1 Pliers for Elastic Rings N 1 Set of shims for grinding discs with thickness 10 12 14 Set of wheels for grooves from 10 a 42mm Instruction manual G300 SERVICE TOOLS INSTRUCTION MANUAL STANDARD EQUIPMENT...

Page 9: ...0 12 Disc Motor Power KW 0 03 Total Power KW 6 5 Grinding Disc Speed RPM 4000 Grinding Disc Maximum Diameter mm 300 Disc Fixing Hole Diameter mm 40 Allowed Grinding Discs Thickness mm 8 10 12 14 Gringing Disc Peripheral Speed m s 60 Con disco mola non consumato Cutting Depth mm 0 70 Con disco mola non consumato Load Exertion Kg 20 40 Sforzo che dipende dalla profondità di taglio Recommended Feedin...

Page 10: ...ed by an acoustic calibrator model DELTA HOM HD 9102 certificato LAT former SIT N SIT 03229 09 and we confirm the figures recorder are in compliance with the re gulation EN 60745 Therefore following the evaluation of the environmental risks on the workplace regulated by the law decree 81 08 and following modifications in compliance with the directive 2003 10 CE and of the art 190 of such law decre...

Page 11: ...46 Cazzago S Martino BS Italia Tel 39 030 7451154 Info sales gbcspa com GRINDING DISC SPECIFICATIONS EXAMPLE OF MARKING OF THE GRINDING DISC THE GRINDING DISC WILL HAVE TO HAVE THE FOLLOWING FEATURES Max OD 300 mm Thickness 08 12 mm Mounting hole Ø40mm RPM max 5090 min Max 80m s Reference regulations EN 12413 ANSI B7 1 Expiry date and binding agent are clearly stamped on the disc ...

Page 12: ... 7 4 of the Machine Directive 2006 42 CE G B C Industrial Tools S p A Via Sandro Pertini 41 46 25046 Cazzago S Martino BS Italia Tel 39 030 7451154 Info sales gbcspa com ELECTRIC CONTROLS Electrical panel 1 ON OFF Master Switch 2 White light Tension detection 3 Red light Error 3 1 2 ...

Page 13: ... Tel 39 030 7451154 Info sales gbcspa com CONTROL PANEL 1 Trolley Speed Regulator 2 Grinding Disc Push Regulator 3 Grinding Disc Lowering Speed Regulator Manual Mode 4 Starter Switch 5 Grinding Disc Start stop Switch 6 Grinding Disc lifting lowering switch manual automatic 7 Emergency Stop 8 Manuale Automatic Mode Switch 9 Trolley Feeding Switch Manual Auto 10 Trolley Feeding Stop Button 1 2 3 4 5...

Page 14: ... 2018 In compliance with 1 7 4 of the Machine Directive 2006 42 CE G B C Industrial Tools S p A Via Sandro Pertini 41 46 25046 Cazzago S Martino BS Italia Tel 39 030 7451154 Info sales gbcspa com MACHINE STARTING PROCEDURE ACCENSIONE MACCHINA 1 Start Lever 1 ...

Page 15: ...6 Cazzago S Martino BS Italia Tel 39 030 7451154 Info sales gbcspa com GRINDING DISC INSTALLATION AND REMOVAL The installation or the replacement of the grinding disc are operations to be executed with the very same procedure as described below 1 Open the metal latches located on the perimeter of the protection as shown in the photo n 1 2 Remove the protection using the handle 1 2 ...

Page 16: ... 1 7 4 of the Machine Directive 2006 42 CE G B C Industrial Tools S p A Via Sandro Pertini 41 46 25046 Cazzago S Martino BS Italia Tel 39 030 7451154 Info sales gbcspa com 3 Remove the fixing screw using the specific wrench supplied with the machine 4 Pull out the spindle guard 3 4 ...

Page 17: ...disc thickness among those allowed by the technical specifications of the machine 6 Insert the disc and the shim on the spindle guard as shown in the picture 7 Insert the spindle guard coupled with the abrasive disc in place making sure to match the internal hexagon pattern of the screws N B To achieve a fast and correct fixing of the grinding disc engage the other side of the spindle guard with t...

Page 18: ...n compliance with 1 7 4 of the Machine Directive 2006 42 CE G B C Industrial Tools S p A Via Sandro Pertini 41 46 25046 Cazzago S Martino BS Italia Tel 39 030 7451154 Info sales gbcspa com 8 Install back the protection removed at the beginning of the procedure 8 8 ...

Page 19: ...no BS Italia Tel 39 030 7451154 Info sales gbcspa com ADJUSTMENT OF THE ANGLE OF INCIDENCE 1 Loose the threaded locking nut with the specific tool supplied with the machine 2 Screw the locking nut back on the threaded rod for at least 5mm as shown in the picture 3 loose the positioning nut with a counter clockwise rotation using the specific wrench supplied with the machine service tool kit 2 1 3 ...

Page 20: ...crew in one direction or the other with the specific Allen Key 5 N B The angle of incidence of the machine can be adjusted from 0 to maximum of 5 as shown in the picture 6 Once the required angle of incidence is reached the operator will have to fasten the positioning nut while keeping in position the central screw as shown in the pictu re 7 Screw back the locking nut making sure it is properly fa...

Page 21: ...6 Cazzago S Martino BS Italia Tel 39 030 7451154 Info sales gbcspa com SETTING THE GUIDING ROLLERS N B The guiding wheels have to be used only when the machine is working wi thout the tracks and when there is already a groove on the plate 1 Rotate the knob left or right to lower to lift the wheels 2 Rotate the knob until the wheels are inseted in the groove of the plate below 2 1 ...

Page 22: ... Tel 39 030 7451154 Info sales gbcspa com GUIDING ROLLERS REPLACEMENT 1 By using the specific tools the operator will have to remove the elastic ring 1 and then remove the roller support pin 2 2 Remove the roller support pin 2 3 Remove the roller you want to replace 3 4 Insert the roller suitable to fit the groove to be gauged N B The procedure has to be performed on both sides of the rollers supp...

Page 23: ...hine Directive 2006 42 CE G B C Industrial Tools S p A Via Sandro Pertini 41 46 25046 Cazzago S Martino BS Italia Tel 39 030 7451154 Info sales gbcspa com GRINDING DISC POSITIONING 1 Rotate the main switch to ON The white light will turn on indicating the presen ce of the correct electric tension 1 ...

Page 24: ...ne will automatically stop and the settings will be reset Pic 1 2 Verify that the switch MODALITA MACCHINA is in manual position Pic 2 3 Rotate the switch ABILITAZIONE on the position 1 N B If the switch is released it will return in central position and with this procedure the electric panel is activated back again 4 Rotate the switch ASSE SPINTA on position 1 and keep it pressed until the grin d...

Page 25: ...451154 Info sales gbcspa com MACHINE STARTING PROCEDURE N B The Auto mode can be used only after the machine general seting 1 Rotate the main switch to ON The white light will turn on indicating the ten sion detection 2 Pull the security lever and keep it pulled as long as you need the machine to work N B The release of the security lever will bring the machine to a complete stop resetting all the...

Page 26: ...ols S p A Via Sandro Pertini 41 46 25046 Cazzago S Martino BS Italia Tel 39 030 7451154 Info sales gbcspa com 3 Check the switch MODALITA MACCHINA to be in position Automatic Square symbol 4 Turn the switch ABILITAZIONE on the position 1 N B If released the switch will return to the central position This procedure enables the switchboard 3 4 ...

Page 27: ...el 39 030 7451154 Info sales gbcspa com 5 Turn the switch MOLA on the position 1 N B When released the switch will return to the central position This operation will start the grinding disc rotation 6 Turn the switch ASSE SPINTA on the position 1 to approach it to the plate The approach speed is slow and cannot be set to a different speed rate N B When released the switch will return to the centra...

Page 28: ...RRELLO on the desired direction of movement N B When released the switch will return to the initial position This operation will start the machine feeding in either one verse or the other N B The machine can work in any direction 8 Pressing the red button STOP CARRELLO will stop the machine feeding but not the grinding disc rotation 9 Rotate the switch in the opposite direction to invert the machi...

Page 29: ... 7451154 Info sales gbcspa com MACHINE STOPPING PROCEDURE 1 Press the button STOP CARRELLO The machine feeding will stop 2 Rotate the switch MOLA in position 0 The grinding disc will move away from the plate and will stop 3 N B In case of emergency release the security lever to immediately stop the ma chine To restart the machine you will have to repeat the operations listed in the previous paragr...

Page 30: ...go S Martino BS Italia Tel 39 030 7451154 Info sales gbcspa com MAINTENANCE FUMES EXTRACTOR CLEANING Check the fumes extractor tank every 50 hours working cycles and if necessary clean the filter as described below 1 Open the metallic latches located on the outside of the tank 2 After you have removed the vacuum hoses you can remove the security belt and remove the tank from its seat 2 1 ...

Page 31: ... S Martino BS Italia Tel 39 030 7451154 Info sales gbcspa com 3 Open the container and remove the fabric filter remove the dust collected during the grinding and blow compressed air on it for a thorough cleaning If necessary blow compressed air also inside the tank N B For additional information about the fumes extractor read the user s ma nual issued by the manufacturer attached hereto 3 ...

Page 32: ... B C Industrial Tools S p A Via Sandro Pertini 41 46 25046 Cazzago S Martino BS Italia Tel 39 030 7451154 Info sales gbcspa com LUBRICATION OF THE MOVING PARTS If there is no visible grease leaking you can lubricate the grinding disc spindle through the specific valve highlighted in the below picture every 500 working hours ...

Page 33: ...e power source an that there is electric tension in the general electric system 2 Check the correct connection of the phases 3 Check the correct starting procedure described in the previous paragraphs 4 Check if the red light on the control panel is on In this case disconnect the machine from the power source oper the control panel and check the relays are in their seat as shown in the below pictu...

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