Introduction
It's assumed that you're building a kit from Filastruder, and you've completed all previous sections. At the end of this section you should have a complete frame assembled for your RailCore.
Tools
Parts
- 270mm 1515 Extrusion × 2
- 245mm Smooth Rod × 6
- Corner Cube × 4
- Sleeve Bearing × 6
- M3 Washer × 16
- M3 Nut × 29
- M3 x 10 Socket Head Screw × 34
- M3 x 6mm Socket Head Screw × 8
- Printed Z Yoke (Mini) × 3
- Printed Z Rod Holders (Mini) × 6
- M3 x 8 Socket Head Screw × 18
- M3 x 16 Socket Head Screw × 18
- M3 x 5 Socket Head Screw × 8
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Using (16) M3x10 socket head screws and (16) M3 washers, attach the bottom to the frame.
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For each printed part insert (2) M3 nuts and (2) M3 x 20 socket head screws. You should do this for all 9 of the printed parts.
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The top of the Z towers will fasten to horizontal extrusions on the left and right sides of the frame.
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Attach corner cubes to opposing ends of the extrusion with (1) M3 nuts inside the extrusion channel and (1) M3 x 6 socket head screw for each corner cube. (Optional) Use an M3 washer on each M3 x 6 fastener to prevent the fastener from bottoming out on the extrusion when torqued.
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Set aside 3 printed Z rod holders. Using (3) M3 nuts and (3) M3 x 10 socket head screws, prepare each rod holder to slide into the extrusions.
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Mount (2) Z rod holders to the right extrusion by sliding the M3 nuts into the top channel. Place (2) M3 nuts into the channel between the (2) rod holders. Tighten the Z rod holders to the extrusion just enough to keep them from moving freely.
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Mount (1) Z rod holders to the right extrusion by sliding the M3 nuts into the top channel. Tighten the Z rod holder to the extrusion just enough to keep them from moving freely.
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On the right side of the frame, attach (2) Z rod holders to the bottom right extrusion using (6) M3 x 10 socket head screws. Leave 2 M3 nuts between the rod holder and another two after the rod holder towards the back extrusion as pictured.
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On the left side of the frame, attach (1) Z rod holder to the bottom right extrusion using (3) M3 x 10 socket head screws. Leave 2 M3 nuts free towards the back extrusion as pictured.
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Attach both the left and right Z rod holder extrusions to the frame using the corner cubes and existing M3 nuts in the inside channels. Note: use top M3 nut, the bottom one is left for spacing and ease of assembly.
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Using M3 x 6 socket head screws for each corner cube, attach each to the frame. Do not tighten the corner cubes to the frame at this point. (optional) Use an M3 washer on each M3 x 6 fastener to prevent fasteners from potentially bottoming out.
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Use calipers to measure the distance between the bottom of the top extrusion, and the top of the Z rod holder extrusion. Tighten the corner cubes to the frame leaving a gap of 50mm as shown in the image. (Alternate Method) Optionally use 123 or 25,50,75 blocks and firmly squeeze the block between the two extrusions while fastening each corner cube.
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In each printed Z yoke, insert (2) bushings.
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Center the bushings as shown before tightening the (2) M3 x 20 socket head screws you installed earlier.
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Loosen the M3 x 10 socket head screws holding the Z rod holders to the frame.
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Slide the (6) smooth rods through the top Z rod holder and through the Z yokes. Each Z yoke should be facing flat side up.
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Fasten the (6) smooth rods to the Z rod holders by tightening the M3 x 20 socket head screws.
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Center each of assembled Z towers over their corresponding motor mount holes in the base of the frame.
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Tighten down each of the towers to the frame.
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