RevB

This is a DIY laser bed for K40 cutters and clones.

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Table of Contents

1. Parts list
2. DIYLB Top Assembly
3. DIYLB Carriage D Assembly
4. DIYLB Carriage C Assembly
5. DIYLB Carriage AB Assembly
6. DIYLB Carriage B Assembly
7. DIYLB Carriage A Assembly
8. DIYLB Rail Assembly
9. DIYLB Crank Assembly
10. DIYLB Idler Assembly
11. DIYLB Lower Bearing Assembly
12. DIYLB Base Right Assembly
13. DIYLB Magnet Cover Assembly
14. DIYLB Magnet Assembly
15. DIYLB Base Center Assembly
16. DIYLB Base Left Assembly
17. DIYLB Base Assembly
18. DIYLB Crank To Base Assembly
19. DIYLB Columns To Base Assembly
20. DIYLB Bed To Columns Assembly
21. DIYLB Beams To Bed Assembly
22. DIYLB Top To Columns Assembly
23. DIYLB Belt Assembly

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Parts list

2 x DIYLB Top	DIYLB Carriage D	DIYLB Carriage C	2 x DIYLB Carriage AB	DIYLB Carriage B	DIYLB Carriage A	4 x DIYLB Rail	DIYLB Crank	DIYLB Idler	4 x DIYLB Lower Bearing	DIYLB Base Right	4 x DIYLB Magnet Cover	4 x DIYLB Magnet	2 x DIYLB Base Center	DIYLB Base Left	DIYLB Base	DIYLB Crank To Base	DIYLB Columns To Base	DIYLB Bed To Columns	DIYLB Beams To Bed	DIYLB Top To Columns	DIYLB Belt	TOTALS
																							Vitamins
.	.	.	.	.	.	.	2	.	4	.	.	.	.	.	.	.	.	.	.	.	.	6	Ball bearing 608-2RS 8mm x 22mm x 7mm
.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	1	1	Belt GT2 x 6mm x 1222mm
.	.	.	.	.	.	.	.	.	4	.	4	.	.	.	.	.	.	.	.	.	.	8	Euro-Cent coin
.	.	.	2	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	2	Extrusion E2020 x 235mm
.	.	.	.	.	.	.	.	.	.	1	.	.	.	1	.	.	.	.	.	.	.	2	Extrusion E2020 x 300mm
.	.	.	.	.	.	.	.	.	.	.	.	.	2	.	.	.	.	.	.	.	.	2	Extrusion E2020 x 320mm
.	.	.	.	.	.	4	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	4	Extrusion E2020 x 70mm
.	.	.	.	.	.	.	1	.	.	.	.	.	.	.	.	.	.	.	.	.	.	1	Extrusion E2040 x 60mm
.	.	.	.	.	.	.	1	.	.	.	.	.	.	.	.	.	.	.	.	.	.	1	Extrusion E2040 x 70mm
.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	1	.	.	1	Flat section 15mmx2mm, 272mm
.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	4	.	.	4	Flat section 15mmx2mm, 316mm
.	.	.	.	.	.	.	2	.	.	2	.	.	.	4	.	.	.	.	.	.	.	8	L-Bracket (20x20)
.	.	.	.	.	.	4	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	4	Linear rail MGN7 x 70mm
.	5	5	.	5	5	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	20	Linear rail carriage MGN7C
.	.	.	.	.	.	.	.	.	.	.	.	4	.	.	.	.	.	.	.	.	.	4	Neodym Magnet (D=20,H=4.5)
.	.	.	.	.	.	20	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	20	Nut M2 x 1.6mm
.	2	2	.	2	2	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	8	Nut M3 x 2.4mm
.	.	.	.	.	.	.	.	1	.	.	.	.	.	.	.	.	.	.	.	.	.	1	Nut M5 x 4mm
.	.	.	.	.	.	.	1	.	.	.	.	.	.	.	.	.	.	.	.	.	.	1	Nut M8 x 6.5mm
.	.	.	.	.	.	.	.	1	.	.	.	.	.	.	.	.	.	.	.	.	.	1	Pulley GT2 idler 20 teeth
.	.	.	.	.	.	.	2	.	.	.	.	.	.	.	.	.	.	.	.	.	.	2	Pulley GT2 idler smooth 12mm
.	.	.	.	.	.	.	1	.	4	.	.	.	.	.	.	.	.	.	.	.	.	5	Pulley GT2OB 20 teeth
.	.	.	.	.	.	20	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	20	Screw M2 cap x 6mm
.	4	4	.	4	4	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	16	Screw M2 cap x 10mm
.	.	.	.	.	.	.	6	.	8	4	.	.	.	8	.	.	.	.	.	.	.	26	Screw M3 grub x 6mm
.	2	2	.	2	2	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	8	Screw M3 pan x 12mm
.	1	1	.	1	1	.	.	2	8	.	.	8	.	.	.	.	.	.	.	.	.	22	Screw M4 cap x 12mm
.	.	.	.	.	.	.	2	.	.	.	.	.	.	.	.	.	.	.	.	.	.	2	Screw M4 cap x 15mm
.	.	.	.	.	.	.	4	.	.	.	.	.	.	.	.	.	.	.	.	.	.	4	Screw M4 dome x 8mm
.	.	.	.	.	.	.	.	1	.	.	.	.	.	.	.	.	.	.	.	.	.	1	Screw M5 cap x 28mm
4	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	4	Screw M6 cap x 20mm
.	1	1	.	1	1	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	4	Screw M6 pan x 20mm
.	.	.	.	.	.	.	3	.	.	.	.	.	.	.	.	.	.	.	.	.	.	3	Screw M8 hex x 50mm
.	1	1	.	1	1	.	.	2	8	.	.	8	.	.	.	.	.	.	.	.	.	22	T-Nut (20x20)
.	.	.	.	.	.	.	4	.	.	.	.	.	.	.	.	.	.	.	.	.	.	4	T-Nut (20x20)
.	.	.	.	.	.	.	2	.	.	.	.	.	.	.	.	.	.	.	.	.	.	2	T-Nut (20x20)
.	1	1	.	1	1	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	4	T8-Nut (narrow)
.	.	.	.	.	.	.	.	.	4	.	.	.	.	.	.	.	.	.	.	.	.	4	Threaded rod M8 x 100mm
.	4	4	.	4	4	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	16	Washer M2 x 5mm x 0.3mm
.	1	1	.	1	1	.	6	2	8	.	.	8	.	.	.	.	.	.	.	.	.	28	Washer M4 x 9mm x 0.8mm
.	.	.	.	.	.	.	.	1	.	.	.	.	.	.	.	.	.	.	.	.	.	1	Washer M5 x 10mm x 1mm
4	1	1	.	1	1	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	8	Washer M6 x 12.5mm x 1.5mm
8	23	23	2	23	23	48	37	10	48	7	4	28	2	13	.	.	.	.	5	.	1	305	Total vitamins count
																							3D printed parts
.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	8	.	.	8	DIYLB_beam_holder.stl
.	.	.	.	.	1	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	1	DIYLB_carriage_A.stl
.	.	.	.	1	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	1	DIYLB_carriage_B.stl
.	.	1	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	1	DIYLB_carriage_C.stl
.	1	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	1	DIYLB_carriage_D.stl
.	.	.	.	.	.	.	1	.	.	.	.	.	.	.	.	.	.	.	.	.	.	1	DIYLB_crank.stl
.	.	.	.	.	.	.	2	.	.	.	.	.	.	.	.	.	.	.	.	.	.	2	DIYLB_crank_bearing.stl
.	.	.	.	.	.	.	.	1	.	.	.	.	.	.	.	.	.	.	.	.	.	1	DIYLB_idler.stl
.	.	.	.	.	.	.	.	.	4	.	.	.	.	.	.	.	.	.	.	.	.	4	DIYLB_lower_bearing.stl
.	.	.	.	.	.	.	.	.	.	.	.	4	.	.	.	.	.	.	.	.	.	4	DIYLB_magnet.stl
.	.	.	.	.	.	.	.	.	.	.	4	.	.	.	.	.	.	.	.	.	.	4	DIYLB_magnet_cover.stl
.	.	.	.	.	.	4	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	4	DIYLB_rail.stl
2	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	2	DIYLB_top_A.stl
2	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	2	DIYLB_top_B.stl
4	1	1	.	1	1	4	3	1	4	.	4	4	.	.	.	.	.	.	8	.	.	36	Total 3D printed parts count

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2 x DIYLB Top Assembly

Vitamins

Qty	Description
4	Screw M6 cap x 20mm
4	Washer M6 x 12.5mm x 1.5mm

3D Printed parts

2 x DIYLB_top_A.stl	2 x DIYLB_top_B.stl

Assembly instructions

1. Cut a M6 thread into the top of the vertical 20x20 extrusions
2. Attach the top holders
3. Secure the top holders with M6 screws

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DIYLB Carriage D Assembly

Vitamins

Qty	Description
5	Linear rail carriage MGN7C
2	Nut M3 x 2.4mm
4	Screw M2 cap x 10mm
2	Screw M3 pan x 12mm
1	Screw M4 cap x 12mm
1	Screw M6 pan x 20mm
1	T-Nut (20x20)
1	T8-Nut (narrow)
4	Washer M2 x 5mm x 0.3mm
1	Washer M4 x 9mm x 0.8mm
1	Washer M6 x 12.5mm x 1.5mm

3D Printed parts

1 x DIYLB_carriage_D.stl

Assembly instructions

1. Attatch T8-nut to the carriage holder, using M3 screws,
2. Attatch the rail carriage to the carriage holder using M2 screws.
3. Put a T-nuts into the mounting hole.

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DIYLB Carriage C Assembly

Vitamins

Qty	Description
5	Linear rail carriage MGN7C
2	Nut M3 x 2.4mm
4	Screw M2 cap x 10mm
2	Screw M3 pan x 12mm
1	Screw M4 cap x 12mm
1	Screw M6 pan x 20mm
1	T-Nut (20x20)
1	T8-Nut (narrow)
4	Washer M2 x 5mm x 0.3mm
1	Washer M4 x 9mm x 0.8mm
1	Washer M6 x 12.5mm x 1.5mm

3D Printed parts

1 x DIYLB_carriage_C.stl

Assembly instructions

1. Attatch T8-nut to the carriage holder, using M3 screws,
2. Attatch the rail carriage to the carriage holder using M2 screws.
3. Put a T-nuts into the mounting hole.

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2 x DIYLB Carriage AB Assembly

Vitamins

Qty	Description
2	Extrusion E2020 x 235mm

Sub-assemblies

1 x DIYLB_carriage_A_assembly	1 x DIYLB_carriage_B_assembly	1 x DIYLB_carriage_C_assembly

1 x DIYLB_carriage_D_assembly

Assembly instructions

1. Cut a M6 thread into both ends of the extrusion,
2. Attatch attxh the carriage holders

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DIYLB Carriage B Assembly

Vitamins

Qty	Description
5	Linear rail carriage MGN7C
2	Nut M3 x 2.4mm
4	Screw M2 cap x 10mm
2	Screw M3 pan x 12mm
1	Screw M4 cap x 12mm
1	Screw M6 pan x 20mm
1	T-Nut (20x20)
1	T8-Nut (narrow)
4	Washer M2 x 5mm x 0.3mm
1	Washer M4 x 9mm x 0.8mm
1	Washer M6 x 12.5mm x 1.5mm

3D Printed parts

1 x DIYLB_carriage_B.stl

Assembly instructions

1. Attatch T8-nut to the carriage holder, using M3 screws,
2. Attatch the rail carriage to the carriage holder using M2 screws.
3. Put a T-nuts into the mounting hole.

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DIYLB Carriage A Assembly

Vitamins

Qty	Description
5	Linear rail carriage MGN7C
2	Nut M3 x 2.4mm
4	Screw M2 cap x 10mm
2	Screw M3 pan x 12mm
1	Screw M4 cap x 12mm
1	Screw M6 pan x 20mm
1	T-Nut (20x20)
1	T8-Nut (narrow)
4	Washer M2 x 5mm x 0.3mm
1	Washer M4 x 9mm x 0.8mm
1	Washer M6 x 12.5mm x 1.5mm

3D Printed parts

1 x DIYLB_carriage_A.stl

Assembly instructions

1. Attatch T8-nut to the carriage holder, using M3 screws,
2. Attatch the rail carriage to the carriage holder using M2 screws.
3. Put a T-nuts into the mounting hole.

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4 x DIYLB Rail Assembly

Vitamins

Qty	Description
4	Extrusion E2020 x 70mm
4	Linear rail MGN7 x 70mm
20	Nut M2 x 1.6mm
20	Screw M2 cap x 6mm

3D Printed parts

4 x DIYLB_rail.stl

Assembly instructions

1. Insert the M2 nuts into the printed holder.
2. Attach the rail loosely.
3. Slide the printed holder into the 20x20 extrusion and tighten the screws.

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DIYLB Crank Assembly

Vitamins

Qty	Description
2	Ball bearing 608-2RS 8mm x 22mm x 7mm
1	Extrusion E2040 x 60mm
1	Extrusion E2040 x 70mm
2	L-Bracket (20x20)
1	Nut M8 x 6.5mm
2	Pulley GT2 idler smooth 12mm
1	Pulley GT2OB 20 teeth
6	Screw M3 grub x 6mm
2	Screw M4 cap x 15mm
4	Screw M4 dome x 8mm
3	Screw M8 hex x 50mm
4	T-Nut (20x20)
2	T-Nut (20x20)
6	Washer M4 x 9mm x 0.8mm

3D Printed parts

1 x DIYLB_crank.stl	2 x DIYLB_crank_bearing.stl

Assembly instructions

1. Connect the two 20x40 extrusions with L-brackets.
2. Assemble the axis as illustrated.
3. Slide the printed holders over the vertical 20x40 extrusion (and loosely insert the timing belt).
4. Move the two printed holders as far apart as possible and tighten the screws.
5. Slide two idlers on T-nuts onto the top slot of the horizontal 20x40 extrusion.

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DIYLB Idler Assembly

Vitamins

Qty	Description
1	Nut M5 x 4mm
1	Pulley GT2 idler 20 teeth
2	Screw M4 cap x 12mm
1	Screw M5 cap x 28mm
2	T-Nut (20x20)
2	Washer M4 x 9mm x 0.8mm
1	Washer M5 x 10mm x 1mm

3D Printed parts

1 x DIYLB_idler.stl

Assembly instructions

1. Screw the idler onto the holder.
2. Attach two T-nuts with screws and washers.

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4 x DIYLB Lower Bearing Assembly

Vitamins

Qty	Description
4	Ball bearing 608-2RS 8mm x 22mm x 7mm
4	Euro-Cent coin
4	Pulley GT2OB 20 teeth
8	Screw M3 grub x 6mm
8	Screw M4 cap x 12mm
8	T-Nut (20x20)
4	Threaded rod M8 x 100mm
8	Washer M4 x 9mm x 0.8mm

3D Printed parts

4 x DIYLB_lower_bearing.stl

Assembly instructions

1. Put a EuroCent coin in the bottom of the lower ball bearing holder.
2. Squeze the ball bearing into the holder.
3. Attach two T-nuts with screws and washers.
4. Put the pulley loosely onto the threaded rod and insert them into the ball bearingpulles.

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DIYLB Base Right Assembly

Vitamins

Qty	Description
1	Extrusion E2020 x 300mm
2	L-Bracket (20x20)
4	Screw M3 grub x 6mm

Sub-assemblies

1 x DIYLB_idler_assembly	2 x DIYLB_lower_bearing_assembly

Assembly instructions

1. Slide two L-brackets onto the top slot of the 20x20 extrusion.
2. Slide the two holders for the ball bearings onto the lef-thand slot of the 20x20 extrusion.
3. Attach the idler mount

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4 x DIYLB Magnet Cover Assembly

Vitamins

Qty	Description
4	Euro-Cent coin

3D Printed parts

4 x DIYLB_magnet_cover.stl

Assembly instructions

1. insert cent coin during print.

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4 x DIYLB Magnet Assembly

Vitamins

Qty	Description
4	Neodym Magnet (D=20,H=4.5)
8	Screw M4 cap x 12mm
8	T-Nut (20x20)
8	Washer M4 x 9mm x 0.8mm

3D Printed parts

4 x DIYLB_magnet.stl

Sub-assemblies

4 x DIYLB_magnet_cover_assembly

Assembly instructions

1. Squeze the magnet into the holder.
2. Attach two T-nuts with screws and washers.
3. Put the covers on top of the magnets.

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2 x DIYLB Base Center Assembly

Vitamins

Qty	Description
2	Extrusion E2020 x 320mm

Sub-assemblies

4 x DIYLB_magnet_assembly

Assembly instructions

1. Attach two magnet holders to the 320mm 20x20 extrusion.

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DIYLB Base Left Assembly

Vitamins

Qty	Description
1	Extrusion E2020 x 300mm
4	L-Bracket (20x20)
8	Screw M3 grub x 6mm

Sub-assemblies

2 x DIYLB_lower_bearing_assembly

Assembly instructions

1. Slide two L-brackets onto the top slot of the 20x20 extrusion.
2. Slide the two holders for the ball bearings onto the right-hand slot of the 20x20 extrusion.
3. Slide two L-brackets onto the left-hand slot of the 20x20 extrusion.

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DIYLB Base Assembly

Sub-assemblies

2 x DIYLB_base_center_assembly	1 x DIYLB_base_left_assembly	1 x DIYLB_base_right_assembly

Assembly instructions

1. Attach all parts of the base frame
2. Tighten the screws of the bearing holders, connecting 20x20 extrusions

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DIYLB Crank To Base Assembly

Sub-assemblies

1 x DIYLB_Base_assembly	1 x DIYLB_crank_assembly

Assembly instructions

1. Attach the crank holder to the base of the frame
2. Tighten the screws of the L-brackets

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DIYLB Columns To Base Assembly

Sub-assemblies

1 x DIYLB_crank_to_base_assembly	4 x DIYLB_rail_assembly

Assembly instructions

1. Attach the for columns to the base of the frame
2. Tighten the screws of the L-brackets

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DIYLB Bed To Columns Assembly

Sub-assemblies

2 x DIYLB_carriage_AB_assembly	1 x DIYLB_columns_to_base_assembly

Assembly instructions

1. Thread the assembled carriage holders into the rails and rods of the Z-axis.

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DIYLB Beams To Bed Assembly

Vitamins

Qty	Description
1	Flat section 15mmx2mm, 272mm
4	Flat section 15mmx2mm, 316mm

3D Printed parts

8 x DIYLB_beam_holder.stl

Sub-assemblies

1 x DIYLB_bed_to_columns_assembly

Assembly instructions

1. Attach the beam holders to the horizontal 20x20 extrusions of the bed.
2. Slide the beams into the beam holders

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DIYLB Top To Columns Assembly

Sub-assemblies

1 x DIYLB_beams_to_bed_assembly	2 x DIYLB_top_assembly

Assembly instructions

1. Attach the top extrusions to the rest of the frame.

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DIYLB Belt Assembly

Vitamins

Qty	Description
1	Belt GT2 x 6mm x 1222mm

Sub-assemblies

1 x DIYLB_top_to_columns_assembly

Assembly instructions

1. Insert the timing belt
2. Level the bed by turning the thraded rods, before tightening the pulleys

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Finished!

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