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Summa S Class 2 T drag knife and tangential blades

Summa S Class 2 T drag knife and tangential blades

The Summa S Class 2 T-Series primarily uses True Tangential technology, but it is uniquely capable of using both tangential and drag knife blades. While tangential cutting is the standout feature for thick or intricate materials, drag knives remain a cost-effective alternative for standard vinyl.

Tangential vs. Drag Knife Technology

· Tangential Blades: These are motor-controlled. The machine lifts the blade, rotates it to the correct angle, and lowers it back into the media at every corner. This eliminates drag forces, allowing for much higher cutting pressure (up to 600 grams) and surgical precision on thick or rigid substrates.

· Drag Blades: These swivel freely in the holder and stay in constant contact with the material while cutting. They are faster for simple shapes in thin vinyl but can struggle with sharp corners in thicker media.

Common Blade Types & Applications

Replacement blades for the S Class 2 T-Series are available through retailers like Shenzhen Oyea

Blade Type	Part Number	Typical Use Case
36° Tangential	390-534	Standard vinyl, fine detail, and everyday cutting.
36° Double-Tip	390-551	Versatile cutting for various vinyl types with a double edge.
45° Wedge	390-560	Delicate, thin films (1-2 mils thick).
60° Tangential	390-550	Thick materials like sandblast resist or floor graphics.
36° Drag Knife	9TL89-67041	General-purpose vinyl cutting in drag mode.