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  1. T-Slot extrusion 40120 - 502mm Rat Rig StrongHold ONE CNC - Z-Axis Bottom 10mm 3x M12x25 Countersink screws
    • T-Slot extrusion 40120 - 502mm

    • Rat Rig StrongHold ONE CNC - Z-Axis Bottom 10mm

    • 3x M12x25 Countersink screws

    • Both plates must be facing upwards.

    • Rat Rig StrongHold ONE CNC - Z-Axis Top 10mm

    • 3x M12 Washer

    • 3x M12x25 Cap Head Screw

  2. Place one Z linear rail assembly on the designated T-slot. Insert the two align_40120_mgn15 printed jigs in the T-Slot and rail. Make sure the align_40120_mgn15 printed jigs are correctly placed and centering the rail on the T-slot
    • Place one Z linear rail assembly on the designated T-slot.

    • Insert the two align_40120_mgn15 printed jigs in the T-Slot and rail.

    • Make sure the align_40120_mgn15 printed jigs are correctly placed and centering the rail on the T-slot

    • Tighten the linear rails screws one at a time starting from the front and making your way towards the back, one by one.

    • MGN15 Rails should be tightened to 98 N-cm of torque, overtightening the screws will result in rail binding.

  3. Place the second Z linear rail assembly on the T-slot but DO NOT tighten the screws. Install the Z Joiner assembly on the linear rails. Using the 16x M3x6 Cap Head screws, fasten the XY joiner plate assembly to the mgn15 carriages.
    • Place the second Z linear rail assembly on the T-slot but DO NOT tighten the screws.

    • Install the Z Joiner assembly on the linear rails.

    • Using the 16x M3x6 Cap Head screws, fasten the XY joiner plate assembly to the mgn15 carriages.

    • MGN15 Rails should be tightened to 98 N-cm of torque, overtightening the screws will result in rail binding.

    • Tip: Blue thread lock can be added to the thread of the M3x6 Cap Head screws.

  4. While the second linear rail remains loose, the Z plate should move smoothly without resistance. If you experience any binding or drag, slightly loosen the carriage screws, as they may be overtightened. Be careful to ensure that the Z joiner plate carriages do not detach from the linear rail during the process.
    • While the second linear rail remains loose, the Z plate should move smoothly without resistance. If you experience any binding or drag, slightly loosen the carriage screws, as they may be overtightened.

    • Be careful to ensure that the Z joiner plate carriages do not detach from the linear rail during the process.

    • Move the Z joiner fully to the front as demonstrated. Then, gradually move it toward the back, exposing one linear rail screw at a time, and tighten each screw as you progress.

    • Ensure that all linear rail screws are tightened from front to back. Avoid overtightening, as this may cause binding and restrict movement.

    • MGN15 Rails should be tightened to 98 N-cm of torque, overtightening the screws will result in rail binding.

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Rat Rig

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