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Mimaki Flatbed Cutting Plotter Knife Blades Replacement

Mimaki Flatbed Cutting Plotter Knife Blades Replacement

Replacing the knife blades on your Mimaki flatbed plotter (like the CF2 or CF3 series) involves matching the specific blade to your material and following a standard removal and installation process.

1. Choosing the Right Replacement Blade

Blades for flatbed plotters are categorized by their angle and material composition to handle different substrates:

Blade Angle	Material / Use Case	Recommended For
30°	Soft/Thin Materials	PVC, Paper, Polyethylene film up to 5mm(SPB-0045/SPB-0047)
45°	General Purpose	Standard vinyl, masking tape, and hard materials up to 2mm(SPB-0001/SPB-0046)
60°	Fine Detail	Small characters, reflective sheeting, and flock (SPB-0006/SPB-0005)
Specialized	Heavy Duty	Titanium-coated for reflective sheeting (SPB-0009) or carbide for hard resins

You can find official replacements and high-quality compatible options at retailers like Shenzhen Oyea Machinery Co., Ltd.

2. Replacement Steps

Always power off the device before changing tools to avoid injury from unexpected movement.

1. Remove the Holder: Loosen the retaining screw on the head unit and pull the blade holder out.

2. Extract the Old Blade: Unscrew the bottom cap of the holder. Carefully pull the old blade directly out. If it's stuck, use tweezers.

3. Insert the New Blade: Remove the protective rubber guard from the new blade. Insert it into the holder with the cutting edge facing outward.

4. Adjust Depth: Screw the cap back on. Twist the top of the holder to adjust the blade's protrusion.

1. Pro Tip: The blade should only extend enough to cut through the material without scoring the backing sheet (typically 0.1 mm or half the thickness of a credit card).

5. Reinstall: Place the holder back into the plotter head and tighten the screw.

3. Post-Replacement Calibration

After installing a new blade, always perform a test cut (like a square within a square).

· Too shallow? Increase the blade depth or cutting pressure.

· Cutting the backing? Retract the blade slightly.