News

09/07/25
by Miles
Failed bandsaw blade

Bandsaw blade failure is a costly problem that manufacturers have been tackling for decades. The solution? Wet blast peening - a targeted surface treatment that's transforming blade durability by addressing the root cause of failures - the gullet area of the blade.

The gullet (curved area between teeth) is the Achilles' heel of bandsaw blades. This high-stress region experiences intense tension during cutting operations, making it the primary location for crack initiation and catastrophic failure.

How wet blast peening works...

The process bombards the gullet area with controlled media impacts, creating:

• Compressive stress layers that counteract harmful tensile stresses
• Work-hardened surface zones resistant to crack initiation
• Stress barriers that prevent crack propagation

Result: Significantly extended blade life and reduced downtime.

Why wet blast peening outperforms dry shot peening:

✅ Superior surface finish - uniform, controlled results
✅ Zero dust generation - eliminates fire/explosion risks
✅ Precise control - optimal blast angles for gullet treatment
✅ Environmental safety - no airborne contaminants
✅ Consistent coverage - uniform peening across entire blade length

Wet blast peening specifically targets the gullet region where 90% of blade failures originate. It's not only a surface treatment - it's a strategic manufacturing investment that addresses the fundamental cause of blade fatigue.

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