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© PlasmaPart Limited 2014 no part of these instructions may be reproduced without prior written consent
from PlasmaPart Limited

SAFE SYSTEM OF WORK – PLASMA CUTTING

(Please note: This is a generalised SSW and it should adapted to suit your own operations and
systems)

RISKS

There are significant Health and Safety risks that can occur from plasma cutting processes, these
are detailed if the Risk Assessment and comprise the following:

Intense ultra violet and infrared radiation

Fumes from the cutting process

Heat

Electric shock

Electromagnetic Radiation

Ignition of combustible material

Unauthorised use

Danger from pipes, vessels and cables

SAFE SYSTEM OF WORK

INTENSE ULTRA VIOLET AND INFRA RED RAYS

The operator should always wear suitable eye protection and ensure other observers’ eyes are also
protected.

Post signs to warn other people of the visual danger from the operation or work in a restricted
area.

FUMES

Only use the equipment in a well-ventilated area.

HEAT

Use appropriate gloves, clothing and footwear during all cutting processes

Point the torch into a safe area before pulling the trigger.

ELECTRIC SHOCK

Always turn the machine power off before servicing the cutting torch.

Check the mains plug and cable for cuts or burns before the power is turned on. Report any defects
before using the machine

Ensure colleagues are aware of how to deal with a person suffering from electric shock.

Содержание CUT 40 Air Start

Страница 1: ...PlasmaPart Limited Instructions 2014 USER MANUAL AND INFORMATION CUT 40 Air Start INVERTER PLASMA CUTTER Using a Trafimet S 45 Torch ...

Страница 2: ... in contact with you as well as this the molten metal produced in the process can also cause damage or injury to you if your feet or other parts of your body are not adequately protected Plasma cutting should not be carried out within close proximity to any flammable substances or materials Electricity Unlike conventional welding equipment the voltage present at the torch tip when energised is ver...

Страница 3: ...by the arc process is not as intense as some welding operations but can cause serious eye damage if the eyes are not protected during the cutting operation SHADE 5 goggles are considered adequate for most purposes and are supplied with the unit If the eyes become sore or irritated it would be advisable to seek professional help and increase the shading level The safety glasses provided are also re...

Страница 4: ...y and exit ventilators must not be obstructed Ensure there is sufficient space in front and behind the machine for the forced air to circulate 1 7 Ensure the power cable is connected to a supply which has the correct voltage and current rating The CUT40 has a built in electronic control to adjust for different mains voltage over a limited range There is a label on the back of the machine indicatin...

Страница 5: ...o protect your eyes from both the arc and also sparks which are produced during the cutting operation 3 Setting up the machine 3 1 Check the cutting torch head is assembled correctly A diagram showing the correct assembly is shown in Appendix 4 3 2 The connector with a BSP brass connection provides both the compressed air and cutting current to the torch There is an electrical connection included ...

Страница 6: ...ay be necessary to remove a small part of the surface corrosion if black steel or rusty Iron is to be cut This will ensure the earth electrode is making good contact with the base metal 3 6 Observe the CUT40 Duty Cycle which is 60 at full output If a long thick cut has been made for say 6 minutes allow the machine to rest for 4 minutes before making a further cut This will give the electronics tim...

Страница 7: ...curs Slower travel speeds will result in a wider kerf until loss of arc occurs Cutting Amperage Increasing cutting amperage will result in a wider kerf Continuing to increase current will widen kerf until the nozzle is destroyed Lowering amperage will result in a narrower kerf and a more positive cut angle until penetration is lost Standoff is the distance maintained between the torch plasma exit ...

Страница 8: ...Before use Check the power connection and air supply hose for damage Repair or replace any damaged items before use Check the condition of the Black shroud cutting tip electrode and swirl ring Replace as necessary Check the torch is assembled correctly for the cutting current to be used See Appendix 4 Check the earth connection and cutting torch cables for damage Repair or replace as necessary Ens...

Страница 9: ...ares that the product identified and described on this page has been tested by their supplier and complies with standard EN 60974 7 in accordance with the requirements of directive EEC 73 23 Low Voltage Directive Certificate valid until 20 11 14 Portable Appliance Testing This equipment is tested in accordance with the IEE Code of Practice 3rd Edition Inspection and Testing of Electrical Equipment...

Страница 10: ...inutes Switch machine back on This can occur if the unit duty cycle is exceeded overheating Use 16A cable for power lead extensions a standard 13A type is unsuitable If the voltage at the unit dips below the minimum value as the arc strikes the unit will turn off and the OC light will come on Try operating the cutter at 20A set current if this is OK then there is a problem with the stability of th...

Страница 11: ... switch pressed Check torch lead connections at unit and torch are tight Check torch hose is undamaged Check Black Shroud for fractures Check compressor give the compressor time to recover if making long cuts when using a smaller compressor Check the regulator fittings have been assembled properly using PTFE tape Technical problem with the unit mike plasmapart com Sparks are shooting upward not do...

Страница 12: ...mables wear quickly Air pressure too low Re check gauge pressure remains at 60psi when the cut switch is actuated and remains at 60psi for the duration of the cut Torch position Tilt the top of the torch toward the direction of travel when cutting the thickest material This will reduce the blow back into the torch tip Poor maintenance Frequently clean the dross off the cutting tip using the wire b...

Страница 13: ... Limited 2014 no part of these instructions may be reproduced without prior written consent from PlasmaPart Limited 12 Appendix 4 S 45 Torch Assembly Note The Swirl Ring fits tightly to the nozzle and can easily be lost when the torch is dissembled ...

Страница 14: ...PlasmaPart Limited Instructions 2014 PlasmaPart Limited 2014 no part of these instructions may be reproduced without prior written consent from PlasmaPart Limited 13 Appendix 5 S 45 Air Pressure Setting ...

Страница 15: ...terial Unauthorised use Danger from pipes vessels and cables SAFE SYSTEM OF WORK INTENSE ULTRA VIOLET AND INFRA RED RAYS The operator should always wear suitable eye protection and ensure other observers eyes are also protected Post signs to warn other people of the visual danger from the operation or work in a restricted area FUMES Only use the equipment in a well ventilated area HEAT Use appropr...

Страница 16: ...n travel a long way UNAUTHORISED USE CUT 80 100 120 only Always switch the machine OFF and turn off and remove the safety lock key before leaving the machine unattended The torch will not light with the key switch set off DANGER FROM PIPES VESSELS AND CABLES Ensure any pipework to be cut is free from chemical contamination Some chemical elements could explode or create noxious fumes when heated to...

Страница 17: ...e face and eyes from the heat generated in the processes FUMES A downdraught ventilation and filtration cabinet has been installed to remove sparks and welding fumes and gasses from the immediate vicinity of the operator Following primary filtering the contaminated air is circulated outside the building HEAT Appropriate clothing and gloves are provided and will be worn during all welding and cutti...

Страница 18: ...or allowed to accumulate in the welding cutting area USE OF COMPRESSED AIR The unit requires a compressed air supply to operate All pipe work should be kept in good condition and checked regularly for damage Air at high pressure can penetrate the skin if directed onto it at close range this can cause blood clotting and even death Even at a low pressures compressed air can be dangerous even fatal i...

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