Steps
15
- 02. Z-Axis 15 steps
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Quiz
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The linear rails are supplied with a protective oil coating on them. It is strongly recommended to prepare your work surface with paper towels and to wear disposable gloves.
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Paper Towels
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Linear Rail
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The oil on the rails protects them from rusting. You must either replace this oil after cleaning (as directed below), or make sure not to remove all of the original oil during preparation
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An easy solution to both protect, and lubricate the rails, is using a light oil such as 3-in-1 or sewing machine oil
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Apply a small amount of oil to a paper towel and then apply the oil to the rail by wiping it with the oiled paper towel. This may be done prior to, or after installation of the linear rails.
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Remove the plastic stops installed in the ends of the linear rail
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More advanced users may wish to fully grease the rails & carriage with a specialised bearing lubricant. It is important to use the correct grade and make sure there are no additives such as PTFE, graphite, molybdenum disulfide, etc. The recommended grade of grease is EP00 or EP000 as these lubricate well, without being too viscous.
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With the rail still on the absorbent paper towels, carefully and slowly move the carriage from one end of the rail to the other
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The carriage should move smoothly over the entire length of the rail
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Small changes in resistance are normal, but the carriage becoming much harder to push, or binding completely are not
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Repeat the previous test whilst applying a small amount of force downwards on the carriage
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The carriage will likely travel more smoothly when applying a downwards force, this is normal
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If the carriage does not move smoothly, or binds completely, refer to the Linear Rail Troubleshooting Guide
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2x HG15 3030 alignment tool
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3x Linear rail - HG15 400mm
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Do not allow the linear rail carriage to leave the end of the rail
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21x M4x16 Cap Head Screw
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Insert an M4x16 screw in every other hole in the linear rail
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21x 3030 M4 Drop in T-Nut
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Loosely thread a 3030 T-Nut onto each of the M4x16 screws
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Repeat these steps for the other 2 rails
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