Strata ADVANCECUT 75, Operating Instructions Manual

Page 1: ...etely before attempting to use this machine Save this manual and keep it handy for quick reference Pay particular attention to the safety instructions we have provided for your protection Contact your distributor if you do not fully understand anything in this manual DIRECT CURRENT IGBT INVERTER TECHNOLOGY SPIKE GENERATOR SAFE PILOT ARC START 400V 50HZ 3 PHASE CNC CUTTING CORROSION RESISTANT INTEL...

Page 2: ...t 11 1 5 Volt Ampere Characteristic 12 2 Installation Operation 13 2 1 Layout for the front and rear panel 13 2 2 Installation Operation 15 2 3 Plasma Cutting Guide 20 2 2 1 Cutting Guide 20 2 2 2 Operating Techniques 21 2 4 Troubleshooting 23 2 5 Operation environment 24 2 6 Operation Notices 25 3 Maintenance Troubleshooting 26 3 1 Cutting gun maintenance 26 3 2 Troubleshooting Principle 26 3 3 E...

Page 3: ...g solutions check out the full Strata Range from Euroquip at www strata co nz Euroquip is a market leading provider of innovative power equipment solutions to a wide range of industries across Australasia Providing exceptional product support is a key component of Euroquip s market leading customer advantage program As part of this program it is required products to be registered with Euroquip to ...

Page 4: ...ssure consumables not in place excessive pilot arc use Lightweight compact design ideal for portable applications Intelligent machine protection system for increased reliability safety Extreme stress testing up to 550V in production for rugged reliability Protected against moisture salt spray and corrosion Machine automatically shuts down if power supply phase loss occurs to prevent damage Designe...

Page 5: ...utomatic pilot arc control system for increased cutting capability and speed especially for discontinuous cutting Strong environmental protection againt moisture salt spray and corrosion Intelligent protection system protects plasma torchfrom damage incorrect air pressure consumables not in place excessive pilot arc use Air flow manual activation switch to set test air pressure pressure without th...

Page 6: ...T after reducing voltage by medium transformer the main transformer and rectified by medium frequency rectifier fast recovery diode and is outputted by inductance filtering The circuit adopts current feedback control technology to insure current output stably Meanwhile the cutting current parameter can be adjusted continuously and steplessly to meet with the requirements of cutting craft 1 4 Duty ...

Page 7: ... the duty cycle should be reduced 1 5 Volt Ampere Characteristic ADVANCECUT series of Air Plasma Cutting machines has excellent volt ampere characteristic Referring to the following graph The relation between the rated loading voltage U2 and welding current I2 is as follows When I2 600A U2 80 0 4 I2 V When 165A I2 500A U2 130 0 1 I2 V When I2 500A U2 180 V 67 34 10 0 0 6 0 I2 A U2 V Working point ...

Page 8: ...n Socket Rear View 10 Air Filter Condensate Drain Tube 11 Air Pressure Regulator Outlet Pressure Gauge 12 Air Pressure Regulator Knob 13 Compressed Air Inlet 14 Input Power Cable 15 Power Switch Turn on or off the power source 16 Air Condensate Filter Trap Bowl Denotes more detailed explanation of function to follow Further Controls Explained Compressed Air Testing Setting Switch When positioned a...

Page 9: ... to flow losses through the torch system To unlock the pressure regulator knob in order to adjust it pull the knob upwards Once the pressure is set correctly push the knob down again to lock it into place Air Filter Water Separator As with correct air pressure clean dry air is also critical for plasma cutting machine performance and reliability The AdvanceCut series of Air Plasma Cutting machines ...

Page 10: ...orifice becomes partially blocked deformed or enlarged the cutting tip should be replaced Electrodes The electrode has a small silver hafnium insert in the end of the tip This is what generates the plasma ions Once the hafnium insert is gone or is damaged the tip must be replaced Swirl Ring Retaining Cap These should be replaced if broken chipped cracked or badly heat damaged Tips and electrodes T...

Page 11: ...a minimum of 120 l min 4 5cfm Free Air Delivery FAD at 75psi pressure This normally means the compressor must be a belt drive model or if a direct drive it must have a motor powerof 2 5HP or greater The air must be dry and free of oil and moisture normally a symptom of older worn out compressors The air hose must also be of sufficient size 3 8 10mm minimum to supply the machine Basic Operation 1 C...

Page 12: ...p to 3mm thick material When cutting material greater than 3mm maintain a 3 2mm tip to work standoff distance 5 When ending a cut the torch switch should be released and lifted off the work piece just before the end of the cut to minimize double arcing which can damage the tip This is to prevent the high frequency arc starting from reigniting after cutting arc extinguishes 6 In the post flow mode ...

Page 13: ... arc transfer and plasma start Note The factory presets the voltage divider to 20 1 To change the voltage divider to a different setting refer to the section on the next page The factory installed internal voltage divider provides a maximum of 18V under opencircuit conditions This is an impedance protected functional extra low voltage ELV output to prevent shock energy and fire under normal condit...

Page 14: ... 8 9 8 yellow 9 green Transfer start machine motion Output Normally open Dry contact closure when the arctransfers 120 VAC 1 A maximum at the machine interface relayor switching device supplied by the customer 13 14 13 blue 14 white d n u o r G d n u o r G Voltage divider Output CUT Divided arc signal of 20 1 30 1 40 1 50 1 provides a maximum of 18 V 6 7 6 red 7 black Setting the five position vol...

Page 15: ...e of the power supply Note the table below for the shift and scale selection scale selection dial number 20 1 30 1 40 1 50 1 1 ON 1 1 1 2 2 ON 2 2 3 3 3 ON 3 4 4 4 4 ON 2 3 Plasma Cutting Guide 2 2 1 Cutting Guide Effect of Cutting Speed Piercing Technique 15 www strata co nz ADVANCECUT 75 ...

Page 16: ...se the torch to 1 6mm 1 16 stand off and move the torch along the cut path This will reduce the chance of spatter from entering the torch and prevent the possibility of welding the tip to the plate The torch should be angled at about 30 when starting to pierce and thenstraightened after accomplishing the pierce 2 Grate Cutting For rapid restarts such as grate or heavy mesh cutting do not release t...

Page 17: ...ough to maintain sparks concentration at the underside of the work piece and making sure the material is completely cut through before moving on Adjust drag speed as desired required 5 Direction of Cut The plasma gas stream swirls as it leaves the torch to maintain a smooth column of gas This swirl effect results in one side of a cut being more square than the other Viewed along the direction of t...

Page 18: ...can vary from a light to heavy bead but does not adhere tightly to the cut edge and can be easily scraped off High speed dross usually forms a narrow bead along the bottom of the cut edge and is very difficult to remove When cutting troublesome steel it is sometimes useful to reduce the cutting speed to produce slow speed dross Any resultant clean up can be accomplished by scraping not grinding 2 ...

Page 19: ...mbled torch 4 Inadequate air supply pressure too low 5 Faulty air compressor 1 Material too thick increase angle to prevent blow back into torch tip 2 Do not operate HF ARC starting for more than 3 seconds you can also start with torch in contact with metal or within 1 16 of metal 3 See section Replacing Consumables 4 Check air filters increase air pressure 5 Check air compressor operationand make...

Page 20: ...ially children Do not watch the arc in unprotected eyes Ensure good ventilation of the machine to improve Duty Cycle Turn off the engine when the operation finished for energy consumption efficiency When power switch shuts off protectively because of failure Don t restart it until problem is resolved Otherwise the range of problem will be extended In case of problems contact your local dealer if n...

Page 21: ...may result 3 2 Troubleshooting Principle WARNING There are extremely dangerous voltage and power levels present inside this unit Do not attempt to diagnose or repair unless you have had training in power electronics measurement and troubleshooting techniques Available Parts Accessories ITEM CODE DESCRIPTION 1 20702 TH 125HandTorchHead 2 20713 O Ring 3 20705 SwirlRing 100 125A 4 20706 Electrode 45 ...

Page 22: ... adjust to proper pressure 4 Faulty components in unit return for repair or have qualified technician repair per Service Manual C No cutting output Torch activated power source on Gas flows Fan operates 1 Torch not properly connected to power supply check that torch leads are properly connected to power supply 2 Work cable not connected to work piece or connection is poor make sure that work cable...

Page 23: ...en the machine cover 3 Torch consumables worn check torch shield cup tip starter element and electrode replace asneeded 4 Faulty components in unit return for repair or have qualified technician repair per Service Manual G No gas flow the power lamp on Fan operates 1 Gas not connected or pressure too low check gas connections Adjust gas pressure to proper settin H Torch cuts but low quality 1 Curr...

Page 24: ...nsformer P Positive output B1 control transformer F1 fan Hall Tr Torch K Fuse IGBT5 L D 2 D 1 IGBT7 main control boad pilot arc board Drive Shorttest POWEROUT WA D1 D2 R1 R2 C1 C2 C3 C4 C2 C1 panel board AC 380V FAN 1 1 2 2 3 3 4 4 5 5 6 6 L1 EMC Turn arc detection Hall QF Air QF Guntest VM F1 Pre QF gas valve VM pressure gauge CUT TEST Air YELLOW B1 YELLOW WHITE WHITE GRAY ORANGE BROWM BROWN BLUE...

Page 25: ...follows Welding is quite a safe operation after taking several necessary protection measures 4 2 Machine Operating warnings The following symbols and words explanations are for some damages to your body or others which could happen during the welding operation While seeing these symbols please remind yourself and others to be careful Only people who are trained professionally can install debug ope...

Page 26: ...hands In semiautomatic or automatic wire welding the electrode electrode reel welding head nozzle or semiautomatic welding gun are also electrically hot Insulate yourself from work and ground using dry insulation Make certain the insulation is large enough to cover your full area of physical contact with work and ground Be Careful when using the equipment in small places falling off and wet circum...

Page 27: ...rbon vapors coming from degreasing cleaning or spraying operations The heat and rays of the arc can react with solvent vapors to form phosgene a highly toxic gas and other irritating products Shielded gases used for arc welding can displace air and cause injury or death Always use enough ventilation especially in confined areas to insure breathing air is safe Read and understand the manufacturer s...

Page 28: ...on closed containers such as tanks drums or pipes can cause them to explode Flying sparks from the welding arc hot work piece and hot equipment can cause fires and burns Accidental contact of electrode to metal objects can cause sparks explosion overheating or fire Check and be sure the area is safe before doing any welding Remove fire hazards material from the welding area If this is not possible...

Page 29: ...circuits This can create fire hazards or overheat lifting chains or cables until they fail Rotating parts may be dangerous Use only compressed gas cylinders containing the correct shielding gas for the process used and properly operating regulators designed for the gas and pressure used All hoses fittings etc should be suitable for the application and maintained in good condition Always keep cylin...

Page 30: ...ace away from the cylinder outlet valve and gas regulator Gas build up The build up of gas can causes a toxic environment deplete the oxygen content in the air resulting in death or injury Many gases use in welding are invisible and odourless Shut off shielding gas supply when not in use Always ventilate confine spaces or use approved air supplied respirator Electric and Magnetic Fields Electric c...

Page 31: ...ng from loud noise wear protective ear plugs and or ear muffs Protect others in the workplace Noise levels should be measured to be sure the decibels sound do not exceed safe levels Hot parts Items being welded generate and hold high heat and can cause severe burns Do not touch hot parts with bare hands Allow a cooling period before working on the welding gun Use insulated welding gloves and cloth...

Page 32: ... anti interference ability must be checked Safety device Power line Signal transmission line and Date transmission line Date processing equipment and telecommunication equipment Inspection and calibration device The effective measures avoid the problem of EMC a Power source Even though the power source connection meet rules we still need to take additional measure to remove the electromagnetic int...

Page 33: ...ce with a warning label Do not remove destroy or cover this label These warnings are intended to avoid incorrect device operations that could result in serious personal injury or property damage 33 www strata co nz ADVANCECUT 75 ...

Page 34: ...uct lack of proper care and maintenance of the product external damage external circumstances such as contaminated fuel or poor water supply modifications to the product at tempted repair service by a party other than an Approved Service Agent is not covered under warranty Warranty does not cover pre delivery service and adjust ment or failure that may occur as a result of lack of incor rect pre d...

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Page 36: ...ave you as our customer and will strive to provide you with the best service and reliability in the industry This product is backed by our extensive warranty To locate your nearest distributor or service agency visit www strata co nz or email us at CustomerService euroquip co nz ...