PT-600 Mechanized Plasma Cutting Torch

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SECTION 4 OPERATION PT-600 600 AMP Cutting Data: NOZZLE MATERIAL 600 STAINLESS STEEL START GAS CUT GAS SHIELD GAS PROCESS PARAMETERS MATERIAL GAS SET UP ARC ARC TRAVEL THICKNESS STANDOFF VOLTAGE CURRENT SPEED START CUT SHIELD PIERCE CUT IN MM PSI/BAR PSI/BAR @ 60 PSI/4BAR IN MM IN MM IPM MM/MIN 1 25 RUN 2 HIGH 0 8 .625 16 .500 13 160 600 70 1778 1.5 38 RUN 2 HIGH 0 8 .625 16 .500 13 163 600 40 1016 N 2 N 2 AIR Notes on 600A Cutting H-35 plasma gas/nitrogen shield produces good to excellent cut quality on 1" to 3" aluminum. H-35 plasma gas/air shield produces cut quality nearly as good on 1-1/2" to 3" aluminum. Nitrogen plasma gas/air shield produces fair quality cuts on 1“ to 1-1/2 “ aluminum. H-35 plasma gas/nitrogen shield yields the best quality on 1“ to 3“ stainless steel, with smooth surfaces and moderate quantities of dross. Nitrogen plasma gas/air shield may be used to achieve good cuts on 1“ and fair cuts on 1-1/2“ stainless steels at higher speeds than H-35. Piercing of plate 2" to 3" thick is best accomplished with the moving pierce technique: Start the arc at 3/4" standoff, 250 amps, and 35 to 40 ipm. Immediately upon arc transfer, raise the standoff to a cutting voltage of 225 to 240 volts. After the arc has been on about one second, ramp the current up to 600 amps over a two second interval. After another two second delay, reduce the speed to about half the recommended cutting speed until the arc burns through the plate. 4-128
SECTION 5 Maintenance ! WARNING Electric Shock Can Kill! Before performing torch maintenance: • Turn power switch of the power source console to the OFF position • Disconnect primary input power. 5.1 Introduction Wear on torch parts is a normal occurrence to plasma cutting. Starting a plasma arc is an erosive process to both the electrode and nozzle. Regularly scheduled inspection and replacement of PT-600 parts must take place to maintain cut quality and consistent part size. 5.2 Torch Body • Inspect O-rings daily and replace if damaged or worn. O-Ring Locations • Apply a thin coat of silicone grease, P/N 77500101 to O-rings before assembling torch. This facilitates easy future assembly and disassembly for service. • O-ring part number 996528 (1.61 I.D. X .070 BUNA-70A) – Contact Ring • Keep electrical contract ring (P/N 0558003858) contact points free of grease and dirt. • Inspect ring when changing nozzle. • Clean with cotton swab dipped in isopropyl alcohol. Contact Ring 5-1
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F-15-646 October, 2011 Installation
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Type of equipment Materialslag DECL
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PT-600 Plasma Cutting Torch Table o
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PT-600 Plasma Cutting Torch Table o
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SECTION 1 SAFETY 1.3 General Safety
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SECTION 1 SAFETY 1.5 Operating A Pl
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SECTION 1 SAFETY ! WARNING Radiatio
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SECTION 1 ! DANGER Hydrogen explosi
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SECTION 1 1.7 Safety References SAF
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SECTION 2 DESCRIPTION 2.4 PT-600 Te
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SECTION 2 DESCRIPTION 2.5.2 Spare P
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SECTION 3 INSTALLATION Torch 5. Sli
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SECTION 3 INSTALLATION 3.4 Mounting
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SECTION 4 ! WARNING OPERATION Oil A
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SECTION 4 OPERATION Part Positive C
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SECTION 4 OPERATION 4.2.5 Dross Dro
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SECTION 4 OPERATION 4.3 Torch Flow
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SECTION 4 OPERATION 4.4.2 Aluminum
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SECTION 4 OPERATION 4.4.4 Stainless
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SECTION 4 OPERATION PT-600 Plasma A
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SECTION 4 PT-600 Plasma Arc Cutting
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SECTION 4 OPERATION Material: Carbo
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PT-600 Mechanized Plasma Cutting Torch

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