Miller Electric Spectrum 1250R HF in Plasma Cutting, High Frequency In Plasma Arc Cutting PAC

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SECTION 7 – HF IN PLASMA CUTTING

7-1. High Frequency In Plasma Arc Cutting (PAC)

Work

Plasma Arc Cutting (PAC)

1Plasma Arc Torch

2High-Frequency Voltage

Used inside torch to ionize gap between electrode and tip to help start the pilot arc.

3Electrode

4Pilot Arc

5Tip

6Shield Cup

high_freq2 4/95 – S-0753

7-2. Sources Of High-Frequency Radiation From Incorrect Installation

			Cutting Zone
			11, 12
		50 ft
		(15 m)
			10
		9				14
		8
		7
				3
	13		2
	1			6
				6
			4	5
						S-0754
Sources Of Direct High-Frequency		5	Workpiece		Sources Of Reradiation Of High
Radiation		6	Work Table		Frequency
		6	Work Table
1	High-Frequency Source (Plasma Arc	Sources Of Conduction Of High			10	Ungrounded Metal Objects
	Cutting Power Source)	Frequency			11	Lighting
2	Cables	7	Input Power Cable		12	Wiring
3	Torch	8	Line Disconnect Device		13 Water Pipes And Fixtures
4	Work Clamp	9	Input Supply Wiring		14 External Phone And Power Lines
OM-217 Page 30

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Contents Processes OM-217Description From Miller to You Table of Contents Standards DirectivesDeccon1 10/95 Plasma Arc Cutting Hazards Safety Precautions Read Before UsingSymbol Usage Cutting can cause fire or explosionNoise can damage hearing Flying Sparks can cause injuryARC Rays can burn eyes and skin Fumes and Gases can be hazardousFlying Metal can injure eyes HOT Parts can cause severe burnsMoving Parts can cause injury Overuse can cause OverheatingEMF Information Principal Safety StandardsAbout Pacemakers LE Coupage pré sente un risque de feu ou d’explosion Signification des symbolesConsignes DE SÉ Curité Lire Avant Utilisation UNE DÉ Charge É Lectrique peut entraîner la mortLE Plasma D’ARC peut entraîner des blessures LE Bruit peut endommager l’ouïeLES Fumé ES ET LES GAZ peuvent ê tre dangereux LES Bouteilles peuvent exploser si elles sont endommagé esPrincipales normes de sé curité Information sur les champs é lectromagné tiques Consignes relatives aux stimulateurs cardiaquesDefinitions Disconnect input plug or power before working on machineKeep your head out of the fumes ? a SettingControl with recommended Manufacturer’s Rating Label For CE Products Ampere ModelSymbols And Definitions InstallationSpecifications Duty Cycle And Overheating Cutting SpeedMovement Location And Airflow Special installation may beSelecting a Location SectionBe careful when placing or moving unit over uneven surfaces Dimensions And WeightTipping Connecting Work Clamp And Gas/Air Supply Output Control Connections Remote Control ConnectionsTorch On/Off Connections Output Sensor ConnectionsElectrical Service Guide Placing Jumper Links And Connecting Input Power 7/12, 1/2Operation Setting Gas/Air PressureControls Maintenance & Troubleshooting MonthsOverload Protection Fuses Ref. ST-800 Turn Off power before ad Adjusting Spark GapJusting spark gap Turn Off power before re- moving side panel Torch And Work Cable ConnectionsTroubleshooting Check fan motor connections Creased cutting abilityOutput available OM-217 Electrical Diagrams Circuit Diagram For 60 Hertz Power SourcesCircuit Diagram For 50 Hertz Power Sources HF in Plasma Cutting High Frequency In Plasma Arc Cutting PACWorksite Requirements Correct InstallationMetal Building Requirements Parts List Main AssemblyPLG18 Optional Panel, Front w/Components PLG14 Panel, Rear w/Components -1 Item 169 HF Panel -1 ItemOM-217 OM-217 OM-217 OM-217 Call Miller for your local Miller distributor Miller Electric Mfg. Co To locate distributor nearest you call 1-800-4-A-Miller

Spectrum 1000, Spectrum 1250R specifications

Miller Electric has long been a leader in advanced welding technology, and the Spectrum 1250R and Spectrum 1000 are prime examples of their revolutionary products designed for professionals. Both models are plasma cutting systems that offer remarkable performance, durability, and user-friendly features tailored for precision cutting in various applications.

The Spectrum 1250R is known for its robust capabilities, boasting a maximum cutting thickness of up to 1 inch on mild steel. Its powerful 125 amp output ensures rapid cutting while maintaining a clean edge, which is essential for industries requiring precision and efficiency. The integrated Auto-Refire technology minimizes downtime by enabling the torch to continue cutting even through brief interruptions. Users appreciate the system’s portability, thanks to its lightweight design and convenient shoulder strap.

The Spectrum 1000, while slightly less powerful, is no less impressive. It supports a maximum cutting thickness of ¾ of an inch on mild steel, making itideal for medium-scale projects and applications. Its advanced technologies include an Easy Start feature that guarantees quick arc initiation without the need for high-frequency start options. This is particularly beneficial in reducing the risk of damaging sensitive electronics nearby.

Both models incorporate Miller’s Auto-Set technology, which streamlines operations by automatically adjusting the settings to match the material thickness and type. This innovative feature eliminates the guesswork for users, allowing for consistent results and enhancing overall productivity. The systems also utilize a unique drag-cutting capability, enabling users to maintain the torch directly on the workpiece for improved cut quality and control.

Moreover, the durability of the Spectrum series is highlighted by their seal design that protects critical internal components from dust and contaminants, significantly extending the lifespan of the units. Adjustments and maintenance are simplified, thanks to the easy-access design of the consumables.

In terms of safety, both models prioritize user protection, featuring thermal and overload protection to prevent overheating and prolonging the life of the equipment. Whether being utilized in a workshop or an outdoor environment, the Spectrum 1250R and Spectrum 1000 provide reliable, high-quality performance desired by welding professionals. Their combination of cutting-edge technology, ease of use, and robust design makes them invaluable tools in the toolbox of any welder or metalworker.