background image

5

 

                                            

MINI K 

 

Original Instructions—rev.2011—

 

In compliance with the step 1.7.4 of the Machinery 

 

Directive 2006/42/CE 

 

G.B.C. Industrial Tools S.p.A.

 

Via Sandro Pertini 41/43 –

 25046 

Cazzago San Martino (Bs) –

 

Italia –

 

Tel. + 39 030 7451154 –

 

Fax. + 39 030 73 56 629

 

The  Mini  K  is  used  for 

beveling  pipe  ends  prepar-

ing them for the subsequent 

welding.

 

 

 

 

 

 

The  Mini  K  has  to  be 

locked in the pipes ID

 

 

 

The  bevel  is  obtained  by 

bevelling  tools  of  various 

shape  and  materials,  de-

pending by the type of fin-

ishing  required  and  by  the 

nature of the material to be 

beveled.

 

THE MACHINE SHOULD BE USED ONLY BY SPECIALIZED OPERATORS WHO HAVE 

BEEN DULY TRAINED ON THE UNIT.

 

 

FOLLOWING TO A SPECIFIC FORMATION THERE IS NO REASONABLY PREDICTALBE 

MISUSE OF THE UNIT  

 

Summary of Contents for MINI K

Page 1: ...INSTRUCTION MANUAL Versione 01 2016 MINI K G B C Industrial Tools S p A Via Sandro Pertini 41 43 25046 Cazzago San Martino Bs Italia Tel 39 030 7451154 Fax 39 030 73 56 629 ...

Page 2: ...nded Use Of The Machine 5 Technical Data 6 Machine Configuration Models 7 Machine Standard Equipment 8 Optional Equipment 9 Safety Prescriptions 10 Shipping Details 11 Machine Stability 12 Workplace 12 Emergency Stop Installation Exemption 12 Machine Setup For Beveling 13 Use Instructions 18 Reduced Shaft Kit Assembly 21 Shaft Assembly with Automatic Locking Device 30 Elbow Shaft Kit Assembly 40 P...

Page 3: ...ith the quality system regulations UNI EN ISO 9001 SGS ITALIA S R L N IT 96 088 1996 This Manual is supplied together with the machine it makes reference to The customer may apply for fur ther copies to G B C Industrial Tools S p a Our company owns the copyright of this document and any partial or complete copy or distribution to natural persons or to corporate bodies is strictly forbid den unless...

Page 4: ... B C Industrial Tools S p A and MSS obligations will cover the defect resolution the general maintenance and the inspection of the parts subject of the claim only The component re placement is at G B C Industrial Tools S p A 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 or...

Page 5: ...d for beveling pipe ends prepar ing them for the subsequent welding The Mini K has to be locked in the pipes ID The bevel is obtained by bevelling tools of various shape and materials de pending by the type of fin ishing required and by the nature of the material to be beveled THE MACHINE SHOULD BE USED ONLY BY SPECIALIZED OPERATORS WHO HAVE BEEN DULY TRAINED ON THE UNIT FOLLOWING TO A SPECIFIC FO...

Page 6: ... bar 18 8 bar 17 30 Axial Feeding mm inches 23 0 90 23 0 90 23 0 90 Pneumatic Motor Power Hp W 0 59 435 Air Consumption Nl min cfm 615 21 7 Air Pressure Bar psi 6 8 87 116 Air Hose Connection Pollici inches 1 2 1 2 Electric Motor Power W 720 720 Tension Volt 110 230 18V 4 0 Ah Frequency Hz 50 60 Max Acoustic Emission Db 75 75 75 Machine Weight Kg 4 8 5 5 5 7 MACHINE DIMENSION PNEUMATIC PNEUM LOCKI...

Page 7: ...1 In compliance with the step 1 7 4 of the Machinery Directive 2006 42 CE G B C Industrial Tools S p A Via Sandro Pertini 41 43 25046 Cazzago San Martino Bs Italia Tel 39 030 7451154 Fax 39 030 73 56 629 MINI K MINI K E MINI K with autolock ...

Page 8: ...46 Cazzago San Martino Bs Italia Tel 39 030 7451154 Fax 39 030 73 56 629 The machine is supplied inclusive of the following equipment Series of locking jaws from 20 to 42 mm One set is already mounted on the unit 3 mm Allen Key 14 17mm wrench Machine Case Instruction Manual And Exploded Drawings Machine Case Mini K Service Tools Instruction Manual And Exploded Drawings ...

Page 9: ...inery Directive 2006 42 CE G B C Industrial Tools S p A Via Sandro Pertini 41 43 25046 Cazzago San Martino Bs Italia Tel 39 030 7451154 Fax 39 030 73 56 629 INTERCHANGEABLE REDUCED SHAFTD FOR ID PIPES FROM 12 5mm to 21mm INTERCHANGEABLE ELBOW SHAFTS FOR CURVED ID PIPES FROM 25mm to 51mm ...

Page 10: ...egulations and all the instructions and that they are qualified to operate the unit Strictly attain to the indications given by the international symbols applies on the ma chine and or on its case Do not perform any maintenance operation when the machine is plugged to the power supply Before every use ensure the power supply connections to be conform to the specs given by our manual The authorized...

Page 11: ...t kg 12 5 11 Under 25 Kgs no lifting machines are required 1 Always wear gloves and goggles during every operation 2 Any adjustment or inspection of the machine shall be done with the unit unplugged from the power source 3 During the operations the hands shall be kept on the security valve and on the hand wheel 4 The Use and Maintenance Manual as well as the drawings will always supply quick and a...

Page 12: ...1154 Fax 39 030 73 56 629 Considering the mass of the machine no particular problem has been detected in regard to the operator safety By always using both hands for operating the machine the operator is unable to reach the bevelling tools as the unit would suddenly stop motor brake As provided for the paragraph 1 2 4 3 of the attachment 1 of the Machinery Di rective portable machines are exempt t...

Page 13: ...ep 1 7 4 of the Machinery Directive 2006 42 CE G B C Industrial Tools S p A Via Sandro Pertini 41 43 25046 Cazzago San Martino Bs Italia Tel 39 030 7451154 Fax 39 030 73 56 629 Unscrew the VANE ABUTMENT CAP and remove it Screw the VANE ABUTMENT NUT for the full stroke ...

Page 14: ...ial Tools S p A Via Sandro Pertini 41 43 25046 Cazzago San Martino Bs Italia Tel 39 030 7451154 Fax 39 030 73 56 629 Remove the three LOCKING JAWS previously mounted WARNING DO NOT MOVE THE EXPANSION SHAFT You will be able to move it by acting on the VANE EXPANSION NUT only AFTER the docking jaws have been put back in position ...

Page 15: ...tino Bs Italia Tel 39 030 7451154 Fax 39 030 73 56 629 Select the LOCKING JAWS according to the diameter of the pipe and install them on the expansion shaft as shown in the picture While holding the three LOCKING JAWS you have just mounted unscrew the VANE E XPANSION NUT in order to let them enter their seat If the procedure is correctly made the locking jaws should have a small backlash ...

Page 16: ...1 43 25046 Cazzago San Martino Bs Italia Tel 39 030 7451154 Fax 39 030 73 56 629 Put back the VANE EXPANSION NUT and torque ir While keeping the machine in axis with the pipe insert the SHAFT in the pipe about 15 20mm Firmly screw clockwise the VANE EXPANSION NUT This will cause the expansion of the locking jaws and will have the machine to achieve a stable grip ...

Page 17: ... 030 73 56 629 Select the BEVELING TOOL according to the required finishing and place it on any of the CHUCK slots locking it with the two grub screws by using the Allen key Using two beveling tools simultaneously placed opposite to each other as shown below will help preserving their life The remaining free slots can be used for a facing tool and an ID beveling tool if necessary TOOL CORRECT POSI...

Page 18: ...1 43 25046 Cazzago San Martino Bs Italia Tel 39 030 7451154 Fax 39 030 73 56 629 To start the machine push the black security lever forward up and press the metal lever WARNING The starting mechanism is a Dead Man Switch therefore it requires a constant push by the operator Releasing the lever will stop the machine immediately Connect the machine to the AIR HOSE ...

Page 19: ...zzago San Martino Bs Italia Tel 39 030 7451154 Fax 39 030 73 56 629 The machine feeding is actuated by turning the hand wheel clockwise as shown in the picture Maintain a constant and continuous action to obtain a uniform feeding WARNING DO NOT LET THE BEVELING TOOLS TOUCH THE LOCKING JAWS AS THIS MAY DAMAGE THEM BOTH The motor will automatically stop by releasing the lever ...

Page 20: ...1 7 4 of the Machinery Directive 2006 42 CE G B C Industrial Tools S p A Via Sandro Pertini 41 43 25046 Cazzago San Martino Bs Italia Tel 39 030 7451154 Fax 39 030 73 56 629 1 Unscrew the vane expansion nut using the wrench supplied with the machine 2 Remove the machine ...

Page 21: ...Machinery Directive 2006 42 CE G B C Industrial Tools S p A Via Sandro Pertini 41 43 25046 Cazzago San Martino Bs Italia Tel 39 030 7451154 Fax 39 030 73 56 629 Unscrew the vane abutment cap and the VANE ABUTMENT CAP counter clockwise Screw the VANE EXPANSION NUT until it is abutted ...

Page 22: ...Machinery Directive 2006 42 CE G B C Industrial Tools S p A Via Sandro Pertini 41 43 25046 Cazzago San Martino Bs Italia Tel 39 030 7451154 Fax 39 030 73 56 629 Remove the LOCKING JAWS By using LONG NOSE PLIERS unscrew the EXPANSION SHAFT with a clockwise rotation until it comes out ...

Page 23: ... C Industrial Tools S p A Via Sandro Pertini 41 43 25046 Cazzago San Martino Bs Italia Tel 39 030 7451154 Fax 39 030 73 56 629 Remove the VANE EXPANSION NUT unscrewing it counter clockwise Unscrew and remove the GRUB SCREW CAP and the GRUB SCREW from the machine cover as shown in the picture GRUB SCREW CAP GRUB SCREW ...

Page 24: ...A Via Sandro Pertini 41 43 25046 Cazzago San Martino Bs Italia Tel 39 030 7451154 Fax 39 030 73 56 629 Remove the GUIDING SHAFT by rotating the HANDWHEEL counter clockwise as shown in the picture Take the guiding shaft from the reduced shaft kit and mark the groove of the lap joint as well as the far end of the shaft as shown in the picture ...

Page 25: ... Cazzago San Martino Bs Italia Tel 39 030 7451154 Fax 39 030 73 56 629 Insert the expansion shaft in the machine and align its lap joint with the hole of the cover case where you will want to insert the two grub screws previously removed Rotate the hand wheel to get the shaft in the machine Re assemble the GRUB SCREW and the GRUB SCREW CAP on the cover locking them tight ...

Page 26: ...l Tools S p A Via Sandro Pertini 41 43 25046 Cazzago San Martino Bs Italia Tel 39 030 7451154 Fax 39 030 73 56 629 Take the VANE EXPANSION NUT previously removed and screw it back on again on the EXTENSION until it is abutted Take the required TOP and install it on the EXTENSION rotating counter clockwise as shown in the picture ...

Page 27: ...an Martino Bs Italia Tel 39 030 7451154 Fax 39 030 73 56 629 Using a screwdriver screw the REDUCED EXPANSION SHAFT that can be reached passing through the HEXAGONAL EXPANSION NUT Turn until the TIP of the REDUCED EXPANSION SHAFT reaches a distance of about 7 20mm from the internal side of the HEAD as shown below Take the REDUCED EXPANSION SHAFT from the kit and slide it in the TOP ...

Page 28: ...San Martino Bs Italia Tel 39 030 7451154 Fax 39 030 73 56 629 Turn the HAND WHEEL counter clockwise until it reaches a full stop and the HEAD is fully extended out from the CHUCK Helping yourself with a screwdriver rotate the EXPANSION SHAFT until its groove is aligned with the hole located on the HEAD Now you will have to insert the elastic pin which will function as feeding stop ...

Page 29: ...KING JAWS and insert them in the seats then apply the RINGS making sure to fix them right in the grooves of the shaft as shown in the picture WARNING In order to mount back the 20mm STANDARD GUIDING SHAFT you will have to proceed in reverse making sure that the EXPANSION SHAFT is positioned in corre spondence of the grooves of the locking jaws 2mm inside the tip of the GUIDING SHAFT also making su...

Page 30: ... C Industrial Tools S p A Via Sandro Pertini 41 43 25046 Cazzago San Martino Bs Italia Tel 39 030 7451154 Fax 39 030 73 56 629 Unscrew the VANE EXPANSION CAP and remove it After having supplied the pneumatic locking device with air move the lever downward or up ward to withdraw the expansion shaft inside the machine ...

Page 31: ...B C Industrial Tools S p A Via Sandro Pertini 41 43 25046 Cazzago San Martino Bs Italia Tel 39 030 7451154 Fax 39 030 73 56 629 Remove the THREE LOCKING JAWS Unscrew the two GRUB SCREWS located in the rear STEM of the locking device Using LONG NOSE PLIERS rotate the EXPANSION SHAFT clockwise until you can remove it ...

Page 32: ...p 1 7 4 of the Machinery Directive 2006 42 CE G B C Industrial Tools S p A Via Sandro Pertini 41 43 25046 Cazzago San Martino Bs Italia Tel 39 030 7451154 Fax 39 030 73 56 629 Unscrew and remove the PNEUMATIC LOCKING DEVICE Loose the ABUTMENT NUT rotating it clockwise ...

Page 33: ...ial Tools S p A Via Sandro Pertini 41 43 25046 Cazzago San Martino Bs Italia Tel 39 030 7451154 Fax 39 030 73 56 629 Remove the GRUB SCREW COVER and the GRUB SCREW from the cover case as shown in the picture GRUB SCREW COVER GRUB SCREW Remove the GUIDING SHAFT by rotating the HANDWHEEL Counter clockwise as shown in the picture ...

Page 34: ...s Italia Tel 39 030 7451154 Fax 39 030 73 56 629 Take the Elbow Kit Assembly Extension and mark the groove of the lap joint as well as the far end of the partas shown in the picture Insert the EXTENSION in the machine and align its lap joint with the hole of the cover case where the two grub screws should then be screwed back in Rotate the hand wheel in order to engage the shaft in the machine ...

Page 35: ...B C Industrial Tools S p A Via Sandro Pertini 41 43 25046 Cazzago San Martino Bs Italia Tel 39 030 7451154 Fax 39 030 73 56 629 Select the desired TOP and screw it on the EXTENSION counter clockwise as shown in the picture Screw back on clockwise the ABUTMENT NUT then the PNEUMATIC LOCKING DEVICE for the full stroke ...

Page 36: ...andro Pertini 41 43 25046 Cazzago San Martino Bs Italia Tel 39 030 7451154 Fax 39 030 73 56 629 Now insert the REDUCED EXPANSION SHAFT and introduce it in the expansion Helping yourself with a screwdriver screw the REDUCED EXPANSION SHAFT in the rear stem of the PNEUMATIC LOCKING DEVICE until the tip is 7 2mm inside the TOP as shown in the picture ...

Page 37: ...54 Fax 39 030 73 56 629 Now screw back on the GRUB SCREW and subsequently the GRUB SCREW COVER previously removed and lock them in position tightly Remove the four screws from the REAR COVER of the PNEUMATIC LOCKING DE VICE remove the LID and the FEEDING STOP as shown in the picture N B Reassemble the PNEUMATIC LOCKING DEVICE paying particular attention to the gaskets located inside the MAIN BODY ...

Page 38: ...iance with the step 1 7 4 of the Machinery Directive 2006 42 CE G B C Industrial Tools S p A Via Sandro Pertini 41 43 25046 Cazzago San Martino Bs Italia Tel 39 030 7451154 Fax 39 030 73 56 629 Reassemble the LONG PIN the SHORT PIN and the GRUB SCREW ...

Page 39: ...nery Directive 2006 42 CE G B C Industrial Tools S p A Via Sandro Pertini 41 43 25046 Cazzago San Martino Bs Italia Tel 39 030 7451154 Fax 39 030 73 56 629 Select the required LOCKING JAWS Apply the RINGS so that they are perfectly seated in the grooves of the TOP as shown in the picture ...

Page 40: ...the step 1 7 4 of the Machinery Directive 2006 42 CE G B C Industrial Tools S p A Via Sandro Pertini 41 43 25046 Cazzago San Martino Bs Italia Tel 39 030 7451154 Fax 39 030 73 56 629 Screw the VANE EXPANSION NUT for all the feeding Remove the VANE EXPANSION CAP ...

Page 41: ...y Directive 2006 42 CE G B C Industrial Tools S p A Via Sandro Pertini 41 43 25046 Cazzago San Martino Bs Italia Tel 39 030 7451154 Fax 39 030 73 56 629 Remove the three LOCKING JAWS from the shaft Helping yourself with LONG NOSE PLIERS rotate clockwise the EXPANSION SHAFT until it comes out ...

Page 42: ...CE G B C Industrial Tools S p A Via Sandro Pertini 41 43 25046 Cazzago San Martino Bs Italia Tel 39 030 7451154 Fax 39 030 73 56 629 Remove the VANE EXPANSION NUT rotating it counter clockwise Remove the GRUB SCREW COVER and the GRUB SCREW from the cover case as shown in the picture GRUB SCREW GRUB SCREW COVER ...

Page 43: ... 2006 42 CE G B C Industrial Tools S p A Via Sandro Pertini 41 43 25046 Cazzago San Martino Bs Italia Tel 39 030 7451154 Fax 39 030 73 56 629 Remove the GUIDING SHAFT by rotating the HANDWHEEL Counter clockwise as shown in the picture Remove the TOOL ABUTMENT BUSH using the appropriate extracting tool ...

Page 44: ...Sandro Pertini 41 43 25046 Cazzago San Martino Bs Italia Tel 39 030 7451154 Fax 39 030 73 56 629 Take the TOOL ABUTMENT RING supplied with the ELBOW SHAFT KIT and install it in the seat as shown in the picture Take the EXTENSION of the ELBOW SHAFT KIT and mark the groove of the lap joint as well as the far end of the shaft as shown in the picture ...

Page 45: ... 25046 Cazzago San Martino Bs Italia Tel 39 030 7451154 Fax 39 030 73 56 629 Insert the expansion shaft in the machine and align its lap joint with the hole of the cover case where you will want to insert the two grub screws previously removed Rotate the hand wheel to get the shaft in the machine Re assemble the grub screw and the grub screw cover locking them tight ...

Page 46: ... G B C Industrial Tools S p A Via Sandro Pertini 41 43 25046 Cazzago San Martino Bs Italia Tel 39 030 7451154 Fax 39 030 73 56 629 Insert and rotate counter clockwise the HEAD FOR ELBOW on the GUIDING SHAFT EXTENSION you have just installed Choose between ø25mm o ø35mm Screw in all way down the vane expansion nut ...

Page 47: ...Cazzago San Martino Bs Italia Tel 39 030 7451154 Fax 39 030 73 56 629 Take the EXPANSION SHAFT from the kit and insert it in the HEAD FOR ELBOWS screwing it on with a female screwdriver from the rear part as shown in the picture until the initial part of the leap joint is visible through the hole of the STOP GRUB Insert the STOP GRUB and screw it for all the stroke length ...

Page 48: ...A Via Sandro Pertini 41 43 25046 Cazzago San Martino Bs Italia Tel 39 030 7451154 Fax 39 030 73 56 629 Insert the three SPRINGS in their seats located at the base of the LOCKING JAW SPRING LOCKING JAW Mount the COVER LID and fix it with its screws Install the LOCKING JAWS in their seat matching the hole at their bottom with the spring pins ...

Page 49: ... 1 7 4 of the Machinery Directive 2006 42 CE G B C Industrial Tools S p A Via Sandro Pertini 41 43 25046 Cazzago San Martino Bs Italia Tel 39 030 7451154 Fax 39 030 73 56 629 Screw the VANE EXPANSION NUT for the whole stroke Unscrew the VANE EXPANSION CAP and remove it ...

Page 50: ...e Machinery Directive 2006 42 CE G B C Industrial Tools S p A Via Sandro Pertini 41 43 25046 Cazzago San Martino Bs Italia Tel 39 030 7451154 Fax 39 030 73 56 629 Remove the LOCKING JAWS Helping yourself with LONG NOSE PLIERS rotate the EXPANSION SHAFT clockwise until it comes out ...

Page 51: ...nery Directive 2006 42 CE G B C Industrial Tools S p A Via Sandro Pertini 41 43 25046 Cazzago San Martino Bs Italia Tel 39 030 7451154 Fax 39 030 73 56 629 Remove the vane expansion nut Apply the 3 little knobs on the hand wheel These knobs are delivered with the PNEUMATIC LOCKING DEVICE ...

Page 52: ... Directive 2006 42 CE G B C Industrial Tools S p A Via Sandro Pertini 41 43 25046 Cazzago San Martino Bs Italia Tel 39 030 7451154 Fax 39 030 73 56 629 In replacement of the vane expansion nut you will need to screw the counter nut and then the pneumatic locking device as shown in the picture ...

Page 53: ...2006 42 CE G B C Industrial Tools S p A Via Sandro Pertini 41 43 25046 Cazzago San Martino Bs Italia Tel 39 030 7451154 Fax 39 030 73 56 629 Abut the locking device and fix it in position with the counter nut As shown in the picture Unscrew the nipple and install the air connector supplied with the kit ...

Page 54: ...ve 2006 42 CE G B C Industrial Tools S p A Via Sandro Pertini 41 43 25046 Cazzago San Martino Bs Italia Tel 39 030 7451154 Fax 39 030 73 56 629 Connect the air supply tube After having supplied the pneumatic locking device with air move the lever downward or upward to move the locking piston forward ...

Page 55: ...6 42 CE G B C Industrial Tools S p A Via Sandro Pertini 41 43 25046 Cazzago San Martino Bs Italia Tel 39 030 7451154 Fax 39 030 73 56 629 Slide the VANE EXPANSION SHAFT inside the GUIDING SHAFT and screw it counter clockwise until it is about 2mm inside Align the LOCKING JAW GROOVES as shown in the picture ...

Page 56: ...n Martino Bs Italia Tel 39 030 7451154 Fax 39 030 73 56 629 Insert the desired LOCKING JAWS After having supplied the pneumatic locking device with air keep the locking jaws pressed with your hand and move the lever upward or downward to get the expansion shaft withdrawn in the machine If the assembling has been correctly executed the locking jaws should a little play in their seat ...

Page 57: ...ial Tools S p A Via Sandro Pertini 41 43 25046 Cazzago San Martino Bs Italia Tel 39 030 7451154 Fax 39 030 73 56 629 In the rear part of the locking device you shall now insert the STEM the GRUB SCREW and the GRUB SCREW COVER locking them in position tightly Screw back on the VANE ABUTMENT CAP now the machine is ready for use ...

Page 58: ...liance with the step 1 7 4 of the Machinery Directive 2006 42 CE G B C Industrial Tools S p A Via Sandro Pertini 41 43 25046 Cazzago San Martino Bs Italia Tel 39 030 7451154 Fax 39 030 73 56 629 Remove the FOUR SCREWS paying attention to the washers ...

Page 59: ...Pertini 41 43 25046 Cazzago San Martino Bs Italia Tel 39 030 7451154 Fax 39 030 73 56 629 Hold the motor and pull it applying a little rotating movement until it comes off N B While performing this operation ensure that the pinion remains in its seat From the PNEUMATIC MOTOR you will have to remove the ELASTIC RING and the SPACER and the SUPPORT FLANGE ...

Page 60: ...i 41 43 25046 Cazzago San Martino Bs Italia Tel 39 030 7451154 Fax 39 030 73 56 629 Insert the ELASTIC RING in the seat located on the reducer then insert the SPACER and the SUPPORT FLANGE previously taken from the pneumatic motor Insert the MACHINE BODY and the REDUCER with the SUPPORT FLANGE already mounted and fix it with the four screws previously removed ...

Page 61: ... 41 43 25046 Cazzago San Martino Bs Italia Tel 39 030 7451154 Fax 39 030 73 56 629 Insert and screw the ELECTRIC MOTOR ASSEMBLY on the end of the RE DUCER protruding from the MACHINE BODY WARNING The thread is inverted therefore you will have to screw by rotating COUNTER CLOCKWISE Screw on the two grub screws and fix the ELECTRIC MOTOR ASSEMBLY to the REDUCER ...

Page 62: ...is supplied by G B C In dustrial Tools S p A only Perform a compressed air periodical cleaning on the threaded part of the guid ing shaft and in the rear part of the machine Always ensure that the seats of the tools on the chuck are clean Every 20 30 hours ensure the security valve has no air leaks Ensure no air leaks are present on the air supply system nearby the connection between the machine a...

Page 63: ...machine does not run properly Check the condition of the shaft and verify it to perfectly spins around its axis of rotation The machine does not bevel Check the beveling tools condition and ensure that the pipe you are working does not require special bevelling tools due to its composition Always ask suggestions to your referent in G B C as we are at your complete disposal The acoustic emissions a...

Reviews: