¶ Step 1 - Prepare the front bed arm parts
- 1x bed_arm_right_3.1 Printed Part
- 1x bed_arm_left_3.1 Printed Part
- 4x M3x12 Countersink Screw
- 4x 3x35mm Dowel Pin
- 2x Neodymium Magnet
- 4x M3 Nylon Locking Hex Nut
¶ Step 2 - Assemble the front bed arms - Part 1
- bed_arm_left_3.1 Printed Part
- bed_arm_right_3.1 Printed Part
- 3x35mm Dowel Pin
- Insert two dowel pins into each arm as shown
- Please note: The dowel pins are quite a tight fit. It is recommended to use a pair of pliers to install them by twisting each pin in the same manner you would install a screw
- Do not use excessive force to install the pins as this can cause damage to the printed part
¶ Step 3 - Assemble the front bed arms - Part 2
- Left Bed Arm Assembly
- Right Bed Arm Assembly
- M3 Nylon Locking Hex Nut
- Insert an M3 nut into each marked position
¶ Step 4 - Assemble the front bed arms - Part 3
- Left Bed Arm Assembly
- Right Bed Arm Assembly
- Neodymium Magnet
- M3x12 Countersink Screw
- Install two M3x12 countersink screws into each magnet and then install them into the arms as shown
- Take care not to over tighten the M3x12 screws as you can crack the magnets and/or damage the printed parts
- Set these assemblies aside until Step 7
¶ Step 5 - Prepare the lead screw decoupler parts
- 3x TR8x4 POM Lead screw Nut
- 3x Rat Rig Bi-Material Lead Screw Decoupler
- 12x M3x8 Cap Head Screw
¶ Step 6 - Assemble the lead screw decouplers (x3)
- Rat Rig Bi-Material Lead Screw Decoupler
- TR8x4 POM Lead screw Nut
- M3x8 Cap Head Screw
- Assemble all three lead screw decouplers as shown. Set one aside until Step 13, keep the other two for the next step
¶ Step 7 - Install the lead screw decoupler into the front bed arms
- Left bed arm assembly
- Lead screw decoupler assembly
- M3x8 Cap Head Screw
- Install a lead screw decoupler assembly into each arm as shown
- Take care not to over tighten the M3x8 screws as you damage the printed parts
- Right bed arm assembly
¶ Step 8 - Prepare the rear bed arm parts
- 2x 3x35mm Dowel Pin
- 2x M3x12 Countersink Screw
- 2x M3x35 Cap Head Screw
- 4x M3 Nylon Locking Hex Nut
- 4x M3x12 Cap Head Screw
- 1x Neodymium Magnet
- 1x bed_arm_rear_3.1 Printed Part
- 1x bed_cable_relief_3.1 Printed Part
¶ Step 9 - Assemble the rear bed arm - Part 1
- bed_arm_rear_3.1 Printed Part
- 3x35mm Dowel Pin
- Insert two dowel pins into the arm as shown
- Please note: The dowel pins are quite a tight fit. It is recommended to use a pair of pliers to install them by twisting each pin in the same manner you would install a screw
- Do not use excessive force to install the pins as this can cause damage to the printed part
¶ Step 10 - Assemble the rear bed arm - Part 2
- Rear bed arm assembly
- M3 Nylon Locking Hex Nut
- Insert an M3 nut into each marked position
¶ Step 11 - Assemble the rear bed arm - Part 3
- Rear bed arm assembly
- Neodymium Magnet
- M3x12 Countersink Screw
- Install two M3x12 countersink screws into the magnet and then install it into the arm as shown
- Take care not to over tighten the M3x12 screws as you can crack the magnet and/or damage the printed part
¶ Step 12 - Assemble the rear bed arm - Part 4
- Rear bed arm assembly
- M3 Nylon Locking Hex Nut
- bed_cable_relief_3.1 Printed Part
- M3x35 Cap Head Screw
- Install the M3x35 screws through the bed_cable_relief_3.1 printed part, rear bed arm, and fasten them into the M3 nylon locking nuts
- Take care not to over tighten the M3x35 screws as you can damage the printed parts
¶ Step 13 - Install the rear bed arm - Part 1
- V-Core 3.1 Frame Assembly
- Rear bed arm assembly
- M3x12 Cap Head Screw
- Install the M3x12 screws into the arm as shown, then fasten the arm to the rear linear rail carriage
- Lead screw decoupler assembly from Step 6
- M3x8 Cap Head Screw
- Install a lead screw decoupler assembly into the rear arm as shown
- Take care not to over tighten the M3 screws as you damage the printed part
¶ Step 14 - Prepare the Z-axis lead screws
- 3x 380mm TR8x4 Lead Screws
- 8x M3x20 Cap Head Screw
¶ Step 15 - Install the rear lead screw
- Rear bed arm assembly
- 380mm TR8x4 Lead Screw
- Install the lead screw through the rear bed arm and decoupler
- Do not force the lead screw through the POM nut on the decoupler as this can cause damage. It should thread through smoothly
- Rigid Lead Screw Coupler
- Continue threading the lead screw through the arm until it reaches the rigid lead screw coupler on the rear Z-axis motor mount
- Insert the lead screw fully into the rigid coupler
- Fasten the marked M3 screw to secure the lead screw to the NEMA17 motor
¶ Step 16 - Install the front right bed arm & lead screw - Part 1
- Front right bed arm assembly
- M3x20 Cap Head Screw
- Install each screw through the bed arm assembly as shown, then fasten the arm to the linear rail carriage
- 380mm TR8x4 lead screw
- Install the lead screw through the front bed arm and decoupler
- Do not force the lead screw through the POM nut on the decoupler as this can cause damage. It should thread through smoothly
- Continue threading the lead screw through the arm until it reaches the rigid lead screw coupler on the front right Z-axis motor mount
¶ Step 17 - Install the front right bed arm & lead screw - Part 2
- Rigid Lead Screw Coupler
- Insert the lead screw fully into the rigid coupler
- Fasten the marked M3 screw to secure the lead screw to the NEMA17 motor
¶ Step 18 - Install the front left bed arm & lead screw - Part 1
- Front left bed arm assembly
- M3x20 Cap Head Screw
- Install each screw through the bed arm assembly as shown, then fasten the arm to the linear rail carriage
- 380mm TR8x4 lead screw
- Install the lead screw through the front bed arm and decoupler
- Do not force the lead screw through the POM nut on the decoupler as this can cause damage. It should thread through smoothly
- Continue threading the lead screw through the arm until it reaches the rigid lead screw coupler on the front left Z-axis motor mount
¶ Step 19 - Install the front left bed arm & lead screw - Part 2
- Rigid Lead Screw Coupler
- Insert the lead screw fully into the rigid coupler
- Fasten the marked M3 screw to secure the lead screw to the NEMA17 motor
¶ Step 20 - Prepare the lead screw constraint parts
- 1x lead_screw_constraint_rear_3.1 Printed Part
- 6x M6x12 Cap Head Screw
- 6x 3030 Drop-in T-Nut - M6
- 1x lead_screw_constraint_front_left_3.1 Printed Part
- 1x lead_screw_constraint_front_right_3.1 Printed Part
- 3x F688ZZ Ball Bearing
¶ Step 21 - Assemble the rear lead screw constraint
- lead_screw_constraint_rear_3.1 Printed Part
- M6x12 Cap Head Screw
- Insert an M6x12 cap head screw into each position on the lead screw constraint as shown
- 3030 Drop-in T-Nut - M6
- Loosely thread a 3030 T-Nut onto each of the M6x20 screws. Do not tighten them at this point
¶ Step 22 - Assemble the front lead screw constraints
- lead_screw_constraint_left_3.1 Printed Part
- lead_screw_constraint_right_3.1 Printed Part
- M6x12 Cap Head Screw
- Insert an M6x12 cap head screw into each position on the lead screw constraint as shown
- 3030 Drop-in T-Nut - M6
- Loosely thread a 3030 T-Nut onto each of the M6x20 screws. Do not tighten them at this point
¶ Step 23 - Install the rear lead screw constraint - Part 1
- Rear lead screw constraint assembly from Step 21
- Position the constraint assembly so that the rear lead screw passes through the hole
- Rotate the constraint assembly clockwise and fit it to the rear 3030 extrusion as shown
- Push the constraint assembly upwards until it touches the horizontal 3030 extrusion
¶ Step 24 - Install the rear lead screw constraint - Part 2
- M6x12 Cap Head Screw
- Fasten both M6x12 screws to secure the constraint assembly to the V-Core 3.1 frame
- Take care not to over tighten the M6 screws as you damage the printed part
- F688ZZ Ball Bearing
- Fit the bearing onto the lead screw and into the constraint assembly as shown
¶ Step 25 - Install the front right lead screw constraint - Part 1
- Right lead screw constraint assembly from Step 22
- Fit the constraint assembly to the frame as shown
- Push the constraint assembly downwards until its top is flush with the top of the linear rail
- Fasten both M6x12 screws to secure the constraint assembly to the V-Core 3.1 frame
¶ Step 26 - Install the front right lead screw constraint - Part 2
- F688ZZ Ball Bearing
- Fit the bearing onto the lead screw and into the constraint assembly as shown
¶ Step 27 - Install the front left lead screw constraint - Part 1
- Left lead screw constraint assembly from Step 22
- Fit the constraint assembly to the frame as shown
- Push the constraint assembly downwards until its top is flush with the top of the linear rail
- Fasten both M6x12 screws to secure the constraint assembly to the V-Core 3.1 frame
¶ Step 28 - Install the front left lead screw constraint - Part 2
- F688ZZ Ball Bearing
- Fit the bearing onto the lead screw and into the constraint assembly as shown
¶ Step 29 - Next guide
- Continue with the next guide: 08. Bed & Y-Axis Endstop Assemblies