Holzmann Twin Blade Dovetail Jointing Machine - KNF2

Achieve seamless and precise frame joints with the Holzmann KNF2 Twin Blade Dovetail Jointing Mach...

Best current price£832.00from wilko

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wilkoKnf2 230V Twin Blade Dovetail Jointing Machine Red Holzmann
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HomebaseHolzmann Knf2 Twin Blade Dovetail Jointing Machine 230V
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Product Information

Full details

The Holzmann KNF2 Twin Blade Dovetail Jointing Machine is designed for professional woodworkers and serious hobbyists who need to produce precise, clean frame joints without the time-consuming process of gluing. By utilizing dual milling spindles that create two keyway joints per stroke, this tool significantly streamlines the production of picture frames, window frames, and cabinetry. While the machine offers exceptional efficiency and structural integrity, it is important to note that it requires manual workpiece clamping, which demands careful alignment to ensure consistent results across multiple joints.

All features

Model Part NumberKNF2
BrandHOLZMANN

Extended Product Information

FAQs

Can this machine be used with softwood?

Yes, the KNF2 is compatible with both softwood and hardwood species.

Is glue required for the joints?

No, the dovetail keys provide the mechanical strength needed, allowing for assembly without glue.

What is the primary power requirement?

The machine features a 600W motor that operates on standard workshop electrical circuits.

Can I replace the milling blades?

Yes, the blades are replaceable. Please consult the manual for the correct specification of compatible blades.

Does it include a dust extraction port?

Yes, the machine is designed to accommodate dust collection to maintain a clean workspace.

How do I secure the workpiece?

The machine uses an integrated manual clamping system to hold the material securely against the guide fence.

Troubleshooting

Joint fit is too loose or too tight

Adjust the depth of the spindle or check for wear on the milling blades; ensure the workpiece is held flush against the fence during the cut.

Motor loses power during the cut

Verify the material is not being fed too quickly and ensure the milling blades are sharp; check for wood chips clogging the discharge chute.

Joints are not perfectly square

Re-align the fence using a machinist's square and tighten the locking knobs to ensure no movement occurs during clamping.

Pros and Cons

Pros

  • Significantly faster joint production compared to manual methods
  • Creates strong, reliable connections without the need for glue
  • Dual spindle design maximizes throughput for large projects
  • Capable of handling hardwoods with the 600W motor
  • Provides clean, professional-grade finish on every joint

Cons

  • Requires manual clamping, which can slow down high-volume repetitive tasks
  • Heavy equipment requires a dedicated stable workbench space
  • Lacks automated feed systems found in industrial CNC machines
  • Requires periodic maintenance of the milling blades for optimal performance

Setup, Compatibility & Care

To set up the KNF2, place the machine on a heavy-duty, vibration-free workbench. Ensure the machine is disconnected from power while adjusting the milling height or replacing blades. Use a precision square to verify that the fence is perfectly perpendicular to the spindles before initial use. For maintenance, regularly clear dust from the spindle housing using compressed air and check that the manual clamping mechanism is lubricated and moves freely. Always inspect your milling blades for sharpness; dull blades will cause burning on the wood surface and put unnecessary strain on the 600W motor. Keep the machine in a dry environment to prevent surface corrosion on the cast components.

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