Jasic JP-81 Operator'S Manual Download

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CONTENTS

Index

Page

Your New Product

Index

Notes

Safety Instruction

General electrical safety

General operating safety

PPE

Welding processes lens shade selector guide

Fume and welding gases

Fire risks

The working environment

Protection from moving parts

Magnetic fields

Compressed gas cylinders and regulators

RF declaration

LF declaration

Materials and their disposal

Product Overview

Product details and application

Technical Specifications

Description of Controls

Remote Control Connection

Installation

What is Plasma?

Operation

Cut Quality

Typical Cutting Speeds

General Cutting Information

Plasma Torch Information

Maintenance

Troubleshooting

Plasma Cutting Problems

EC Declaration of Conformity

WEEE Disposal

RoHS Compliance Declaration

Statement of Warranty

Notes

Jasic Contact Details

Summary of Contents for JP-81

Page 1: ...Operator Manual Plasma Cut Series Plasma Cut 60 JP 61 Plasma Cut 80 JP 81 ...

Page 2: ...anty purposes and to ensure you get the correct information should you require assistance or spare parts Date purchased ________________________________________ From where ________________________________________ Serial number ________________________________________ The serial number is normally located on the top or underside of the machine and will begin with AA For further information on your ...

Page 3: ...eclaration 9 LF declaration 9 Materials and their disposal 9 Product Overview 10 Product details and application 11 Technical Specifications 12 Description of Controls 13 Remote Control Connection 15 Installation 16 What is Plasma 18 Operation 19 Cut Quality 21 Typical Cutting Speeds 22 General Cutting Information 23 Plasma Torch Information 24 Maintenance 25 Troubleshooting 27 Plasma Cutting Prob...

Page 4: ..._________ _____________________________________ _____________________________________ _____________________________________ _____________________________________ _____________________________________ _____________________________________ _____________________________________ _____________________________________ _____________________________________ _____________________________________ __________...

Page 5: ...e and overheating Never use worn damaged under sized or poorly jointed cables Insulate yourself from work and earth using dry insulating mats or covers big enough to prevent any physical contact Never touch the electrode if you are in contact with the work piece return Do not wrap cables over your body Ensure that you take additional safety precautions when you are welding in electrically hazardou...

Page 6: ...ulty welding helmets Always ensure there are adequate protective screens or barriers to protect others from flash glare and sparks from the welding area Ensure that there are adequate warnings that welding or cutting is taking place Wear suitable protective flame resistant clothing gloves and footwear Check and be sure the area is safe and clear of inflammable material before carrying out any weld...

Page 7: ...the the welding fume Ensure the welding zone is well ventilated and provision should be made for suitable local fume extraction system to be in place If ventilation is poor wear an approved airfed welding helmet or respirator Read and understand the Material Safety Data Sheets MSDS s and the manufacturer s instructions for metals consumable coatings cleaners and de greasers Do not weld in location...

Page 8: ...eated by high currents may affect the operation of pacemakers or electronically controlled medical equipment Wearers of vital electronic equipment should consult their physician before beginning any arc welding cutting gouging or spot welding operations Do not go near welding equipment with any sensitive electronic equipment as the magnetic fields may cause damage Keep the torch cable and work ret...

Page 9: ...ry current from the power supply network high power systems affect the quality of power provided by the network Consequently connection restrictions or maximum impedance requirements permitted by the network at the public network connection point must be applied to these systems In this case the installer or the user is responsible for ensuring the equipment can be connected consulting the electri...

Page 10: ...ightweight inverter plasma cutting machine High efficiency plasma which is ideal for cutting steel stainless copper cast iron and aluminium Convenient single carry handle easy to manoeuvre Non HF pilot ignition Simple operation Inbuilt pressure gauge with adjustable regulator LED digital ammeter display for accurate variable current setting Simple user interface with variable cutting control 2T 4T...

Page 11: ... as the plasma gas source The cutting speed is 1 8 times when compared with oxy acetylene cutting These machines can cut steel stainless steel copper cast iron and aluminium easily and quickly The arc is an easy to ignite arc and uses a non HF arc ignition mode There is a postflow function operates to cool the torch after cutting The simple operation and high cutting speed smooth cutting surface m...

Page 12: ... 60HZ Rated input power kVA 10 8 15 8 Rated input current Imax A 15 22 Rated input current Ieff A 9 5 14 Cutting current range A 20 60 20 80 Rated output voltage V 104 112 Rated duty cycle 60A 40 40 C 80A 40 40 C Clean cut mm 20 25 Severance cut mm 25 30 Pierce cut mm 14 20 Minimum air pressure 5 Bar 73psi 5 Bar 73psi Minimum gas flow 7 1CFM 200 Ltr min 7 1CFM 200 Ltr min Efficiency 85 85 Power fa...

Page 13: ...d current demand 6 2T 4T torch trigger latch selection switch A useful function when carrying out longer cuts when cutting in 4T mode you can remove your finger off the torch trigger and the arc will remain on until you either press the torch trigger again or you remove the plasma arc away from the material being cut 7 Gas test switch and cutting indicator 8 Torch connector the plasma torch connec...

Page 14: ... cool down 4 A Current control dial this function allows the user to set the required current demand which is displayed on the digital ammeter 5 Pressure gauge which will display the preset pressure set by the pressure regulator 6a 2T indicator It illuminates when the machine is under 2T torch trigger control 6b 4T indicator It illuminates when the machine is under 4T latch torch trigger control 7...

Page 15: ...ut which is a normally open dry contact closure when the plasma arc transfers PRIOR TO A CNC INSTALLATION ALWAYS CHECK THE DIVIDED ARC SETTING TO ENSURE ITS CORRECTLY SET FOR YOUR INSTALLATION The following operation requires sufficient professional knowledge on electric aspects and comprehensive safety knowledge Make sure the input cable of the machine is disconnected from the electricity supply ...

Page 16: ...requirements are as follows Minimum air input 5 Bar 73psi Minimum air flow 7 1CFM 200Ltr min Connect the compressed air with the supplied air hose and air fitting to the machine via the inlet connection on the rear panel max 8 Bar The air regulator for the Cut 61 and 81 is in built within the machine and comes delivered preset To adjust please see page 25 Any water which has been collected by the ...

Page 17: ...the open circuit voltage could be as high as 350V DC at the torch head The torch head encompasses a full set of consumables as shown right these consumables are made up of a cooling tube torch electrode swirl ring for gas distribution cutting tip retaining cap and if required a stand off device to ensure the same distance between tip and material being cut Fitting the PT100 plasma torch On the Jas...

Page 18: ...stration The basic principle is that the arc is formed between the electrode and the work piece by forcing the plasma gas and the electrical arc through a small orifice within the copper tip This will increase the speed and temperature of the plasma exiting the tip The temperature of the plasma is in excess of 15000 C and the speed can approach that of sound This plasma gas flow in conjunction wit...

Page 19: ...ting Drag cutting is the process of dragging the tip of the torch along the work piece to cut the metal This is often the easiest way to cut while minimizing heat input but usually only on cutting currents of 40amps and below Drag cutting does require a drag cutting tip and you need to ensure that the plasma machines output amperage is matched to the amperage with the tip It can often be helpful t...

Page 20: ...s for bevelling again you need to ensure you utilize the correct plasma machine amperage to match the cutting tips used Ensure that the thickness of the material to be bevelled falls in the amperage range of the plasma machine and cutting tip that you will be using If bevelling by hand a roller and or angle guide can be helpful in maintaining the consistent bevel face and the desired angle which i...

Page 21: ...d cutting systems use of a drag shield cup a standoff guide or a cutting guide will help keep a consistent tip to work distance for best results Kerf width While plasma cutting a void is left behind which is called the kerf in the material being cut Bevel angle In an ideal cut the bevel angle or angle of the cut surface would be perfectly square The plasma cutting process does result in a slight a...

Page 22: ...e output cutting table quality material thickness along with material type being cut as well as the operators skill set Speeds shown below are offered as a guide only for our Jasic cutting systems using compressed air cutting mild steel material with the stated output currents ensuring that the cutting tip fitted matches the stated amperages Material Thickness Amperage Speed mm m Air Pressure 40 5...

Page 23: ...cting the air flow The cutting torch may be burned if the air flow is too low Keep the cutting cable away from sharp edges 8 When the work piece is nearly cut off slow down the cutting speed and release the torch trigger to stop cutting 9 Check the torch consumables frequently to prolong the life 10 Always ensure the correct consumables are fitted in the torch Incorrect items may cause damage to t...

Page 24: ...th the PT100 which has a current rating of 100amps this torch is supplied from new with the 100amp tip fitted When ordering replacement cutting tips please take note that the maximum sized tip that should be used is as follows Jasic Cut 61 would be the 50 60amp 1 1 cutting tip part number 51246 11 Jasic Cut 81 would be the 80 90amp 1 4 cutting tip part number 51248 14 ...

Page 25: ...rt dust out of the power supply Period Maintenance item Daily examination Check the condition of the machine mains cables welding cables and connections Check for any warnings LEDs and machine operation Check the torch consumable condition and replace if worn Check the compressor air supply and adjust as required Monthly examination Disconnect from the mains supply and wait for at least 5 minutes ...

Page 26: ...Ensure the plasma torch is fully fitted 5 Reconnect the machine to the mains supply and switch the machine back on still taking care not to touch any electrical parts within the machine 6 Switch on the air purge switch located on the front panel to start the airflow through the machine and plasma torch 7 Lift up the pressure control knob shown on the illustration above of the pressure regulator to...

Page 27: ...icult to diagnose cutting issues without understanding the machines use and setup and there are various questions that need to be asked to be able to give the best advice Below is listed a few pointers to help you on your way to obtaining consistently good cut quality Ensure your mains power supply is suited to the plasma cutting machines specifications Ensure the supplied gases or air supply is i...

Page 28: ...e torch along Excessive piloting Keeping the pilot arc maintained will erode the consumables much faster than when cutting keep piloting to a minimum Poor cut quality Improper travel speed Refer to the cutting guide chart on page 21 of this user manual for the correct settings for the material being cut Cutting amperage not correct Refer to the cutting guide chart on page 21 of this user manual fo...

Page 29: ...aterials Do not dispose of the equipment with normal waste The European Directive 2002 96 EC on Waste Electrical and Electronic Equipment states the electrical equipment that has reached its end of life must be collected separately and returned to an environmentally compatible recycling facility Jasic has a relevant recycling system which is compliant and registered in the UK with the environment ...

Page 30: ...he scope of the warranty Defects due to natural wear and tear Failure to observe the operating and maintenance instructions Connection to an incorrect or faulty mains supply Overloading during use Any modifications that are made to the product without the prior written consent Software errors due incorrect operation Any repairs that are carried out using non approved spare parts Any transport or s...

Page 31: ...__________ _____________________________________ _____________________________________ _____________________________________ _____________________________________ _____________________________________ _____________________________________ _____________________________________ _____________________________________ _____________________________________ _____________________________________ _________...

Page 32: ...www jasic co uk Wilkinson Star Limited Shield Drive Wardley Industrial Estate Worsley Manchester UK M28 2WD 44 0 161 793 8127 April 2020 Issue 3 ...

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