Introduction
It is strongly recommended to assemble the StrongHold ONE CNC using two or more people. Certain steps of the assembly require moving parts which are both large and extremely heavy.
Once fully assembled, the rough total weight of the various machine sizes are as follows:
(Note: These values exclude the weight of the spindle, spindle mounts, wiring and spoil board)
750x750: 53KG
750x1250: 60KG
1500x1500: 67KG
These provided weights can be roughly split 60:40 between the machine base and the X-axis gantry.
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The following printed part has sacrificial layers which require clearing:
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XZ Endstop mount
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Sacrificial layers to be cleared
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It is recommended to remove them by using a screwdriver, a hex key, or a drill, to push through the layers. This clears the holes for the screws.
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It is recommended to have the following tools available for assembling the StrongHold ONE CNC:
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Allen Key / Hex Wrenches in the following sizes: 2.5mm, 3mm, 4mm, 5mm, 6mm & 10mm
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Tape measure or calipers
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Engineers Square
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Open end spanners in the following sizes: 5.5mm, 7mm, 8mm, 13mm
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Wire cutters, wire stripper & a crimping tool
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Cross slot / philips and slotted / straight screwdrivers
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The spoil board is not provided as part of the kit, and must be sourced separately
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The size required depends on which StrongHold ONE model is being assembled:
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Rat Rig SH ONE 750x750 - 864x1000mm
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Rat Rig SH ONE 750x1250 - 864x1500mm
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Rat Rig SH ONE 1250x1250 - 1364x1500mm
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The thickness of the spoil board will affect the maximum working height
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It is recommended to use a spoil board which is at least 10mm thick
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Occasionally you will need to install a hex nut into a printed part
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The hex nut needs to be fully pulled into the printed part to ensure there are no issues with assembly or cross threading
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This animation shows an example of how to use a cap head screw to pull a hex nut into a printed part
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16x 4040 Cast 90 Degree Corner
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32x M8x16 Cap Head Screw
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32x M8 Washer
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32x 4040 Drop-in T-Nut - M8
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M8x16 Cap Head Screw
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M8 Washer
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4040 Drop-in T-Nut - M8
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4040 Cast 90 Degree Corner
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Loosely thread the 4040 T-Nuts on to the M8x16 screws. Do not tighten them at this point.
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4x 4040 Extruded 90 Degree Corner
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4x M8x16 Cap Head Screw
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4x 4040 Drop-in T-Nut - M8
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M8x16 Cap Head Screw
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4040 Drop-in T-Nut - M8
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4040 Extruded 90 Degree Corner
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Loosely thread a 4040 T-Nut on to the M8x16 screw. Do not tighten it at this point.
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