BOC Smoothcut Plasma 40 Bedieningshandleiding - Pagina 10

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BOC Smoothcut Plasma 40 Operating manual

4.0 Cutting Technique

Diagram 1

90°

Typical Plasma Cutting Guide Kit

Cutting Direction

4.1

Cutting

As a general rule for cutting amperages below 40 A the cutting tip can

be dragged on the cutting surface. Higher amperages require a stand‑

off distance and torch manufacturers normally supply a stand‑off guide

or 'drag shield'. Some operators prefer to use an extended electrode

to improve visibility when cutting. BOC supplies guides that can be

purchased to assist in straight line, circular and bevel cutting.

For straight edge cutting the torch should be held at a 90° angle to the

plate and dragged along the plate (Refer to Diagram 1). The cutting

speed will depend on the material thickness, amperage and airflow rate.

For bevel cutting the torch should be angled on the plate to the required

bevel angle and dragged on the plate surface. (Note that the bevel angle

will influence the material thickness).