David, Luleå skrev:
På kartongen står det PPS 40 B2. Två stift i kontakten från brännaren till plasman.
Vad kan skillnaderna vara mellan de olika modellerna?
Michael Meier skrev:fyra modeller av PPS 40, A1 och A2 samt B1 och B2 enligt Manfred
My cutmaster 52 uses a blow back start type system. It has a start cartridge in the torch. The unit fires a pilot arc when you squeeze the torch trigger. As you move the pilot arc to your work piece and the system senses the electrical circuit, the pilot arc ignites or fires the main cutting arc. This starting system works very well and doesn’t emit high electrical frequencies that can damage nearby electrical components.
High frequency start is just as it sounds. I don’t think many companies make high frequency start plasma cutters anymore. In the 100 amp and under class anyway.
The HF Contact type uses a high-frequency, high-voltage spark to ionise the air through the torch head and initiate an arc. These require the torch to be in contact with the job material when starting, and so are not suitable for applications involving computer numerical controled (CNC) cutting.
The Pilot Arc type uses a two cycle approach to producing plasma, avoiding the need for initial contact. First, a high-voltage, low current circuit is used to initialize a very small high-intensity spark within the torch body, thereby generating a small pocket of plasma gas. This is referred to as the pilot arc. The pilot arc has a return electrical path built into the torch head. The pilot arc will maintain itself until it is brought into proximity of the workpiece where it ignites the main plasma cutting arc.
Rubert skrev:Roine.e skrev:Jag har även uppgraderat med ett nytt slangpaket med pilotbåge från kina, ca 450 spänn försett tremeters. All in all skulle jag säga att den är väl värd pengen.
Har Lidl's plasma en pilotspänningsgenerator som inte används i standardleveransen eller ingick en extern sådan i leveransen av det kinesiska slangpaketet?
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