Huawei CG1-2 User Manual Download

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Summary of Contents for CG1-2

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Page 2: ...essly without following the instructions in manual Use the machine only after you completely understood the contents of the manual If an explanation in the manual is difficult to understand contact our company of sales service office Keep the manual nearby at all times and read it so many times as necessary for a complete understanding If the manual become lost or damaged place an order with our c...

Page 3: ...this equipment Operators must ground the equipment using the safety grounding terminal Pull out the power plug from the outlet Operators must unplug the power plug from the outlet when a failure occurs or when there is a danger of lightning Caution against bursting Possible bursting under certain conditions General General warning Caution Hot Possible injury due to high temperature under certain c...

Page 4: ...ly 9 3 4 Preparation before operation 10 4 Cutting operation 11 4 1 Safety measure prior to operation 11 4 2 Ignition and flame adjustment 11 4 3 Cutting and piercing method 12 4 4 Beginning of cutting operation 12 4 5 Notice of slanting cutting web plate 15 4 6 Bevel cutting operation 15 4 7 Safety measures against backfire and flashback 16 5 Maintenance and inspection 16 5 1 The maintenance of t...

Page 5: ...ment 1 1 General machine safety precautions Read and understand the following important safety information 1 1 1 Machine safety 1 The machine casing is mainly made of aluminum alloy to reduce weight For this reason be careful not to drop a heavy item on the machine or not drop the machine when carrying it since the alloy is not designed to withstand such impact 2 When mounting hoses to the torch a...

Page 6: ...d gear rack engages automatically Low lifting bar slowly otherwise impact of falling damages rolling pin 12 Direction changeover switch The direction changeover switch is used to change the direction of cutting between clockwise and anticlockwise Check the running direction or the direction of revolution button before cutting When changing the direction of running make the driving button in the st...

Page 7: ...achine 4 Stop operation and turn off the power in the following cases and ask a qualified electrician to repair the machine 1 Broken or abraded cables 2 When the machine has been in contact with water or in case of liquid damage to the machine 3 Abnormal machine operation despite operating the machine according to the instruction manual 4 Machine breakdown 5 Poor machine performance the requires r...

Page 8: ...1 2 4 Safety precaution for hoses 1 Use the oxygen hose for oxygen gas only 2 Replace cracked hoses or other hoses damaged by sparks heat unshielded fire etc 3 Install hoses without twisting 4 To prevent breakage of hoses take great care during operation and transportation 5 Do not hold the hoses when moving the machine 6 Periodically check the hoses for damage leakage fatigue loose joints etc to ...

Page 9: ...h may lead to explosion 8 Be sure to check the following when igniting Place the torch on the torch holder before igniting Wear the required protectors gauntlets helmet goggles etc Check for any obstacles dangerous materials and flammables near or in the direction of cutting The surface temperature is very high so do not touch it even you wear gauntlets Outline of machine 2 1 Features of machine C...

Page 10: ...torch transverse movement 9 Track pressure plate Locate machine on the H structural section 4 Track 10 Clutch knob Pulling knob on the left side is off pulling knob on the right side is on 5 Vertical moving bar 6 Reduce speed motor of web plate cutting equipment 2 3 Specifications 1 Weight body 21 5kilograms Accessory track sections 15 5 kilograms 2 Machine dimension 400mm 340mm 440mm Body 270mm 2...

Page 11: ...ts case Check them carefully before assembling the machine The contents of the standard package are shown in the following list 1 Body 1 2 Standard torch and sections 1 3 Wing plate mechanism 1 4 Tip G02 or G03 1 2 3 1 5 Track include track pressure plate 1 6 Inlet gas joint 1 7 Spanner 1 8 Specification sheets and certificate of qualification 1 9 Power cable 1 10 M5 inner hexagon spanner 1 11 Phi...

Page 12: ...erifies adjusting is needed again 3 Quadruple switch Sub switch is to control running direction of web plate motor and wing plate motor interlocks with cutting oxygen There are four arrows on the control panel When operating bar of quadruple switch is pulled on the arrow side it is running machine Operating bar of switch returns to original position machine stops running and cutting oxygen turns o...

Page 13: ...e pressure plate and a web plate angle adjuster Butterfly screws of two pressure plates clamp wing plates which are in the both sides of H structural section When size of web plate verifies position of movable pressure plate can verify When cut web plate release fixed angle screw and use hold down plate in line cutting When slanting cut web plate choose angle and label of track aligns scale of fix...

Page 14: ...lt to remove the tip In addition avoid damaging the taper of the tip since this may cause backfire 3 4 3 Machine fixation 1 First put fixed pressure plate and track on the H structural section and fixed pressure plate clamps wing plate of one side of H structural section 2 According to web plate size choose suitable position of wing plate which is on the other side of H structural section and fix ...

Page 15: ...quadruple switch in the off position If it is in other position machine runs when open power which is dangerous Notice before open power it is necessary to check whether drive knobs are in the off position If drive switch is in the on position it is dangerous to run machine 4 2 Ignition and flame adjustment NOTE Adjust the gas pressure according to the Cutting Data The data shows the pressure when...

Page 16: ...here which will shorten the working life of the tip 4 4 Beginning of cutting operation 1 Release clutch of machine and pull the torch on the edge of wing plate edge which is on one side of H structural section Put torch horizontally Then put quick knob in the preheating position Ignite torch and adjust flame Refer to quick distributor adjustment in detail 2 When use preheating flame set quadruple ...

Page 17: ...venient to cut next web plate The ideal cutting depth is about 20mm as shown in the diagram 3 7 When tip leaves web plate edge press quick knob quickly until torch center rises about 300mm over wing plate upper limb Then put quadruple switch in the off position 8 Use pointed chipping hammer to clean slag on the web plate 9 Release clutch and pull machine to go forwards along with the track Rotate ...

Page 18: ...hine descends and cuts automatically as shown in the diagram 7 16 When torch cuts middle part of web plate the torch should reduce speed slowly 1 to 1 5 graduations in degrees When torch goes through surface of web plate it returns to initial speed 17 When cutting is completed descending spacing switch stops wing plate running automatically At the same time cutting oxygen is cut off Put quadruple ...

Page 19: ... not whole And some areas are not cut As shown in the diagram 1 Adjusting method is shown in the diagram 2 and 3 When cut wing plates only recover bevel graduations to zero 4 6 Bevel cutting operation When cutting bevel use the angle use 5 as its basic unit on the torch holder and allocate the torch on an expected angle When choosing a tip for bevel cutting the thickness of the steel plane is L as...

Page 20: ...ssing sound in the torch quickly take the following action 1 Close the preheating oxygen valve 2 Close the fuel gas valve 3 Close the cutting oxygen valve Should flashback occur find the cause and take appropriate action before using the machine again Maintenance and inspection Refer to the following points for maintaining and inspecting the machine in order to use the machine under the best condi...

Page 21: ...nths or 1000 hours If the length of the carbon brush doesn t reach 3mm the operator should change it to a new one When change the carbon brush the operator must check that whether put the carbon brush in right place The direction of the carbon brush must be right and the flexure should be consistent with the commutation Troubleshooting 1 Wing plate does not align web plate in cutting a Do not set ...

Page 22: ...r the condition that the switch is on The click shows the switch doesn t be damaged Repair 4 Broken power cable Check the cable with a tester Repair or Replace 2 The motor will not run while the power supply is on Possible Cause Inspection Step Correction Disconnection of 10Ω resistance Remove the electric panel and check whether the resistance is good Replace Carbon brush of motor is jammed Take ...

Page 23: ...The cater nut is not tightened Tighten the cater nut 5 The cutting flame is instable Possible Cause Correction 1 The duct tip is jammed by impurity Make the duct expedite with needle 2 The gas pressure is not enough and oxygen fineness is low Check air feed pressure oxygen fineness whether in state confine 3 There is no injection stream of cutting oxygen Check gas distributor or electromagnetism v...

Page 24: ...ect carriage or improper keeping 2 The damages are leaded because of operating not according to the instruction manual and beyond the specified range of voltage 3 The machine don t have maintenance card and receipt invoice 4 The maintenance card don t match the machine 5 The damages are leaded by natural disasters or some irresistible incidents 6 The damages are leaded because the machine is token...

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