KEENCUT Excalibur 3S User Manual
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KEENCUT Excalibur 3S User Manual

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  • Page 1 Excalibur 3S user guide The world’s finest cutting machines www.keencut.com +44 (0) 1536 263158 sales@keencut.co.uk (UK HQ) Scan the QR code or +1 (716) 748 6203 sales@keencut.com (US sales) click here to view this document online > Page 1 of 27...

  • Page 2: Table Of Contents

    Excalibur 3S user guide Contents 1. Introduction ................................. 1.1 The Excalibur 3S user guide ........................... 2. Get to know your cutter ............................2.1 Using the clamp ..............................2.2 The multi-tool cutter and the counterbalance ......................2.3 Using & changing the cutting blade .........................

  • Page 3: Introduction

    Excalibur 3S user guide 1. Introduction 1.1 The Excalibur 3S user guide This User Guide for the Excalibur 3S gives advice on cutting techniques, care and maintenance of your machine. Before using your machine make sure that you have installed and calibrated it correctly.

  • Page 4: Get To Know Your Cutter

    Excalibur 3S user guide 2. Get to know your cutter 2.1 Using the clamp The clamping system enables the operator to control the grip pressure by means of an integral friction brake, that maintains the clamping force at the pressure applied by the operating lever.
  • Page 5 Excalibur 3S user guide For harder materials such as PVC foam board, MDF or composite boards such as Diabond, use medium to heavy pressure. Do this firmly When cropping to trim lines, pencil marks, etc. (see drawing), place material in approximate position under clamp, apply light clamp pressure to allow the material to be repositioned.

  • Page 6: The Multi-Tool Cutter And The Counterbalance

    2.2 The multi-tool cutter and the counterbalance The Excalibur 3S is fitted with two sliding carriages running on a vertical slideway and each carriage is fitted with a cutting head. The top carriage is fitted with a twin wheel cutter for use with rigid boards such as aluminium composite panels, MDF, hardboards.
  • Page 7 Excalibur 3S user guide The counterbalance can be attached to either cutting head for easy, fatigue free working. it is normally attached to the twin wheel cutter but to attach it to the multi-cutter head, lock the twin wheel carriage in place using the white plastic thumb screw.

  • Page 8: Using & Changing The Cutting Blade

    Excalibur 3S user guide 2.3 Using & changing the cutting blade Select the cutting blade position on the turret and clamp the material in the machine. Move the cutting head beyond the top of the material to be cut. Press to engage the cutter. Draw the cutter down to the bottom of the machine where it will disengage automatically.
  • Page 9 Excalibur 3S user guide The two support plates either side of the blade are designed to give maximum rigidity of the blade when cutting hard or dense materials. To adjust the support plates swing down the cutter guard by undoing the guard locking knob. Turn the turret ½ turn until blade is pointing towards you.
  • Page 10 Excalibur 3S user guide To change the cutting blade, undo the blade clamping screw a number of turns to release the blade. Change or turn over the blade, insert it back into the turret as far as it will go. Tighten the blade clamping screw, the safety pin will engage to hold the blade in position.

  • Page 11: Changing The Scoring Blade

    Excalibur 3S user guide 2.4 Changing the scoring blade Replacement medium utility blades are available from Keencut or your distributor. Unlock and swing down the cutter guard, rotate the turret so the scoring blade is facing outwards. Release the blade clamping screw...

  • Page 12: Changing The Twin Wheel Cutter

    Excalibur 3S user guide 2.5 Changing the twin wheel cutter Replacement wheels or cutters are available from Keencut or your distributor Lock the cutting head at a convenient height using the white nylon locking screw. Hold the twin wheel cutter and its guard to prevent them from falling and remove the screw with a 6mm Allen (hex) key.

  • Page 13: Making Your First Cut

    Excalibur 3S user guide 3. Making your first cut 3.1 Cutting thick material using the ratchet latch A unique feature of the Excalibur is the ‘ratchet latch’, this enables thick dense materials such as PVC foam board to be cut easily in stages.

  • Page 14: Using The Scoring Blade

    Excalibur 3S user guide 3.2 Using the scoring blade CAUTION ALWAYS USE HAND AND EYE PROTECTION WHEN SNAPPING PLASTIC NOTE : The scoring blade is designed to score acrylics, Plexiglas and other similar rigid plastics. Trials should be carried out on scrap materials first to ensure you obtain the required standard of cut.
  • Page 15 Excalibur 3S user guide Remove the plastic from the machine and snap it by hand. The world’s finest cutting machines www.keencut.com +44 (0) 1536 263158 sales@keencut.co.uk (UK HQ) Scan the QR code or +1 (716) 748 6203 sales@keencut.com (US sales) click here to view this document online >...

  • Page 16: Using The Twin Wheel Cutter

    Excalibur 3S user guide 3.3 Using the twin wheel cutter The twin wheel cutter must be parked above the top level of the clamp when not in use otherwise the cutter will interfere with the sightline strip if the clamp is operated.
  • Page 17 Excalibur 3S user guide being cut. The signs the wheels are wearing out are: 1) A rough finish predominantly on the right hand side of the cut, with flaking on material such as MDF. 2) The bottom of the cut bursting out rather than being cut neatly.

  • Page 18: Maintenance

    4. Maintenance 4.1 Clean your machine Keencut machines are designed to be virtually maintenance free, however we do recommend regular cleaning Do not wipe the squaring arm channels or remove any debris with fingers, as it may contain sharp particles such as glass.

  • Page 19: Lubrication

    Excalibur 3S user guide 4.2 Lubrication DO NOT USE OIL ON ANY PART OF THE MACHINE The slideway can be cleaned and lubricated occasionally using a silicone lubricant. Removing any excess with a cloth. The multi cutter assembly may require dusting out periodically do not lubricate or adjust without seeking further advice from your distributor or Keencut.

  • Page 20: Adjusting The Sliding Bearings

    Excalibur 3S user guide 4.3 Adjusting the sliding bearings Attach the balance weight (see The multi-tool cutter and the counterbalance >) to the other cutting head, hold the cutter at waist height and place a 2mm hexagon wrench on the top adjustment screw.
  • Page 21 Excalibur 3S user guide Loosen the screw by the smallest amount you can until it does fall under its own weight. Repeat the process with the other three adjustment screws (A). The world’s finest cutting machines www.keencut.com +44 (0) 1536 263158 sales@keencut.co.uk (UK HQ)

  • Page 22: Changing The Sliding Bearings

    Excalibur 3S user guide 4.4 Changing the sliding bearings Move the head to a comfortable height. Apply the balance weight to the lower head. Tighten the white screw on the upper head. The world’s finest cutting machines www.keencut.com +44 (0) 1536 263158 sales@keencut.co.uk (UK HQ)
  • Page 23 Excalibur 3S user guide Move the lower head away from the upper head. Use a 6mm Allen (hex) key to remove the screw holding the twin wheel cutter in place. Slide it up to the top of the machine and remove.
  • Page 24 Excalibur 3S user guide Hold onto the handle, remove the white screw, and move the head up and down carefully. The two bearing blocks should drop out. Rotate the head until it comes loose from the machine. Use a 2mm Allen (Hex) key to remove the screws holding the internal bearings in place.

  • Page 25: Adjusting The Clamp Pressure

    Excalibur 3S user guide 4.5 Adjusting the clamp pressure The pressure of the clamp is in relation to the amount of pressure applied to the operating handle. However in time the maximum clamping pressure can reduce due to wear on the friction black (hidden within the machine), compensation for this can be made by adjusting the two small grub screws in the operating handle housing as shown.

  • Page 26: Fitting The Sightline Strip

    NOTE: The sightline strip is fitted to your machine but may wear or get marked with use. A spare strip is included with the machine, replacement strips are available from your distributor or Keencut. The sightline strip is fixed to the clamp and then trimmed using the cutting blade to give an accurate guide when cutting to trim lines, the edge of an image or pencil marks.
  • Page 27 Excalibur 3S user guide Place a piece of firm board up to 6mm (1/4”) thick on the machine to bridge the gap running down the back of the main body, this needs to be the full height of the clamp.

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