Rapid Ref : 9-8219

TD SL 60 & 100 75° Torch Head Assembly
9-8219

Name: TD SL 60 & 100 75° Torch Head Assembly
SKU: 9-8219
Price: 358.05 GBP

£358.05 EX VAT

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TD SL60 & SL100 Hand Cutting Consumables FAQs

Practical answers on choosing, fitting and looking after the consumable parts of a handheld 60 to 100 amp class plasma cutting torch.

What is the difference between drag cutting and standoff cutting?

In standoff cutting you hold the nozzle a set small distance above the metal. In drag cutting a shield or cap rests on the work and you slide the torch along it, which gives a steady height and is easier to control by hand.

The parts differ. Drag parts have a shield designed to take contact, while standoff parts need a gap, which you keep by eye or with a standoff guide. If the gap is too large the arc spreads and loses power, and if too small, molten metal can bridge the nozzle and cause double arcing. Check your manual for the parts and current limits for each method.

What does a standoff guide do?

A standoff guide is a small attachment that fits on the front of the torch and sets the gap between the nozzle and the metal, so you can hold a steady height by resting the guide on the work. It helps with cutting straight lines and with consistent cut quality when hand cutting.

It only suits standoff cutting. Do not use it with parts built for contact drag cutting, because the nozzle would then sit at the wrong height. Check that the guide you order is made for your torch type and the shield you are using.

How do I match the tip to the current I am cutting at?

Each tip is made for a range of current. The opening size is chosen to suit that range, so use a tip rated for the current you set on the machine. Running more current than the tip is made for wears it out quickly, and using a much larger tip at low current can give an unstable arc.

The tip, and the other parts in the stack, should be the set the maker lists for your current and cutting method. Check the data plate and the consumable chart in the manual before you order.

Does it matter how high I hold the torch?

Yes. The distance between the torch and the work affects both the cut and the life of the parts. Too high a gap spreads the arc and gives a rough, bevelled cut. Too low a gap lets spatter and molten metal reach the tip and shield, which can cause double arcing and wear parts early.

Where your torch allows it, using parts designed for drag cutting or a standoff guide takes away much of the guesswork. Keep the torch steady and at the height your manual describes.

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