A beveled edge on a plasma cut usually means the arc is not centered through the kerf. The most common causes are torch angle, travel speed, worn consumables, incorrect standoff, and poor air quality. Start with the cut setup, then inspect parts, then check the air system.

Key Takeaways

• A plasma cut beveled edge is often caused by torch tilt or uneven travel speed.
• Worn nozzle, electrode, or shield parts can push the arc off-center.
• Too fast or too slow travel speed changes edge angle and dross.
• Dirty, wet, or low-pressure air can distort the plasma stream.
• Check the shield and consumables before changing settings.

Diagnose the Cut

1) Check torch angle

Hold the torch square to the plate. Even a small tilt can create a bevel on one side of the cut. If the torch is hand-held, watch for side lean during the full cut path, especially on long cuts and corners.

2) Check travel speed

Travel speed affects kerf shape. If you move too fast, the arc trails and the cut leans. If you move too slow, the arc can wash out the lower edge and increase dross. Make one change at a time and test on scrap.

3) Inspect consumables

Worn or damaged consumables can make the arc unstable. Check the electrode, nozzle, and shield for erosion, pitting, heat damage, or clogging. If the shield is damaged or worn, replace it before continuing. The Hypertherm 220674 Plasma Cutting Shield is one available part for compatible T45v hand cutting setups; exact compatibility beyond the listed product title is Unknown (Verify).

4) Verify standoff and contact

If standoff is too high, the arc can spread and lose cut squareness. If the torch is dragging when it should not, the shield or tip condition may be affecting arc control. Follow the machine or torch manual for the correct stand-off method.

5) Check air quality

Moisture, oil, and debris in the air line can cause rough cuts and edge angle changes. Drain the compressor tank, inspect filters, and confirm the air supply is clean and dry. Air pressure and flow requirements are torch-specific and Unknown (Verify) without the machine manual.

Troubleshooting Support Sections

If the bevel is consistent on one side

• Recheck torch angle and hand path.
• Inspect for worn shield or nozzle.
• Check for a damaged torch head or loose retaining parts.

If the bevel changes during the cut

• Look for inconsistent hand speed.
• Check for air pressure drop while cutting.
• Inspect the work lead, power cable, and air hose for restriction.

If edge quality is poor with fresh consumables

• Verify the air source is clean and dry.
• Confirm the machine settings match the material being cut.
• Check for incorrect torch height or dragging on the plate.

Product / Parts

Hypertherm 220674 Plasma Cutting Shield – T45v Hand Cutting Shield, 1 Pack

This shield may be used when the existing shield is worn or damaged. Use only if it matches the torch setup and manual requirements. Compatibility details beyond the product title are Unknown (Verify).

Hypertherm 220674 Plasma Cutting Shield - T45v Hand Cutting Shield, 1 Pack

Introducing the Hypertherm 220674 Hand Cutting Shield, your essential companion for plasma cutting tasks. This high-quality plasma cutting shield is designed to protect both your workspace and yourself. Made by Hypertherm, a trusted name in plasma cutting technology, this product ensures superior performance and durability. The Hypertherm Hand Cutting Shield is perfect for both professionals and DIY enthusiasts. I...

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Safety Notes

• Wear proper eye, face, hand, and body protection for plasma cutting.
• Keep hands clear of the arc and hot cut edges.
• Do not service consumables until the unit is powered down and safe to handle.
• Use adequate ventilation and follow hot-work controls.
• Do not assume compatibility; verify the torch model and parts list before installation.

FAQ

Why does plasma cut beveled edge happen?

It usually happens when the arc is not centered through the cut path. Torch angle, travel speed, consumable wear, and air quality are the main checks.

Can bad air cause a bevel?

Yes. Wet or contaminated air can make the arc unstable and change edge angle.

Should I replace the shield first?

If the shield is worn, damaged, or heat-affected, replace it. If the shield looks normal, check nozzle, electrode, torch angle, and air supply before replacing more parts.

What setting should I change first?

Start with torch angle and travel speed, then inspect consumables. Exact cut settings are torch and material dependent and Unknown (Verify) without the manual.

Sources Checked

• Provided product title and description for Hypertherm 220674 Plasma Cutting Shield
• Topic brief: diagnose torch angle, consumables, speed, and air quality
• Internal link inventory: none provided