02. Motion system - Hybrid

Right Stepper motor plate assembly from Step 27 of chapter 01.Frame assembly

Left Stepper motor plate assembly from Step 27 of chapter 01.Frame assembly

2x Nema 17 Stepper motor - HT - 48mm

2x 20 Tooth 2GT Timing Pulley for 9mm Belt

6x M3x6 Countersink Screws

2x M5x85 Cap Head Screws

3x Aluminium spacer 5x8x4mm

1x Aluminium spacer 5x8x14mm & Aluminium spacer 5x8x17mm

5x Mini precision shim 8x5x1mm

6x Ball bearing 695ZZ

14x Ball bearing F695ZZ

Right vc4_motor_spacer

Left vc4_motor_spacer

4x M5x45 Cap Head Screws

Right Stepper motor plate assembly from Step 28 of chapter 01.Frame assembly

Ensure the t-nuts are on the same side as the countersink bores.

Nema 17 Stepper motor - HT - 48mm

Be mindful of the cable orientation, it should be facing the rear of the stepper motor

3x M3x6 Countersink Screws

Insert the M3x6 screws into the Right Stepper motor plate assembly as shown, and fasten them to secure the NEMA17 motor.

Refer to the side of the assembly which has the M5 holes

Remove the two M6x12 Cap Head Screws

Remove the two 3030 Drop-in T-Nut - M6

Right vc4_motor_spacer

Install the printed part next to the nema 17 stepper motors, and make sure the holes are aligned.

Insert the two M6x12 Cap Head Screws

Insert the two 3030 Drop-in T-Nut - M6

Loosely thread a 3030 T-Nut onto each of the M6x12 screws. Do not tighten them at this point.

Ensure the right vc4_motor_spacer printed part is aligned with the plate

Insert the M5x45 Cap Head Screw all the way

Insert the M5x85 Cap Head Screw all the way

Once inserted, the printed part should be able to hold them in place

Install the timing pulley onto the NEMA17 shaft, oriented as shown

The timing pulley will be aligned and fully secured in a later step. Do not tighten the M3 grub screws

Install the following components in the order shown in the image:

Mini Precision Shim

F695ZZ Ball Bearing (Flange at the bottom)

695ZZ Ball Bearing

F695ZZ Ball Bearing (Flange at the top)

Insert a Mini Precision Shim on the rear M5x85 Screw

Install the following components on the rear M5x85 Screw in the order shown in the image:

F695ZZ Ball Bearing (Flange at the bottom)

695ZZ Ball Bearing

F695ZZ Ball Bearing (Flange at the top)

Install an Aluminium spacer 5x8x4mm on the rear M5x85 Screw

Install an Aluminium spacer 5x8x17mm on the front M5x45 Screw

Set the assembly aside, let's assemble the left stepper motor.

Left Stepper motor plate assembly from Step 28 of chapter 01.Frame assembly

Ensure the t-nuts are on the same side as the countersink bores.

Nema 17 Stepper motor - HT - 48mm

3x M3x6 Countersink Screws

Insert the M3x6 screws into the Left Stepper motor plate assembly as shown, and fasten them to secure the NEMA17 motor.

Refer to the side of the assembly which has the M5 holes

Remove the two M6x12 Cap Head Screws

Remove the two 3030 Drop-in T-Nut - M6

Left vc4_motor_spacer

Install the printed part next to the nema 17 stepper motors, and make sure the holes are aligned.

Insert the two M6x12 Cap Head Screws

Insert the two 3030 Drop-in T-Nut - M6

Loosely thread a 3030 T-Nut onto each of the M6x12 screws. Do not tighten them at this point.

Ensure the left vc4_motor_spacer printed part is aligned with the plate

Insert the M5x45 Cap Head Screws all the way

Insert the M5x85 Cap Head Screws all the way

Once inserted, the printed part should be able to hold them in place

Install the timing pulley onto the NEMA17 shaft, oriented as shown

The timing pulley will be aligned and fully secured in a later step. Do not tighten the M3 grub screws

Insert a Mini Precision Shim on the rear M5x85 Screw

Install an Aluminium spacer 5x8x14mm on the front M5x45 Screw

Install the following components on the rear M5x85 Screw in the order shown in the image:

F695ZZ Ball Bearing (Flange at the bottom)

695ZZ Ball Bearing

F695ZZ Ball Bearing (Flange at the top)

Insert a Mini Precision Shim on the rear M5x45 Screw

Install the following components in the order shown in the image:

F695ZZ Ball Bearing (Flange at the bottom)

695ZZ Ball Bearing

F695ZZ Ball Bearing (Flange at the top)

Aluminium spacer 5x8x4mm

Set the assembly aside, it will be used in a few steps

2x vc4_xy_motor_upper_ right

2x vc4_xy_motor_upper_ left

2x vc4_dual_motor_motor_spacer

4x F695ZZ Bearing

4x M5 Nylon Locking Nut

4x M3x40 Countersink Screws

4x Aluminium Spacer 3x6x30mm

8x 3030 Drop-in T-Nut - M6

vc4_xy_motor_upper_right

Ball bearing F695ZZ

Ensure the bearing flange is on the same side as the countersink bore.

vc4_xy_motor_upper_left

Repeat the previous steps and assemble the upper left plate

Place the right stepper motor assembly from Step 12 in the frame.

Make sure the plate is fully seated against the 3030 extrusion before the next step.

Tighten the four M6x12 screws to secure the motor plate assembly to the frame

Take care not to over tighten the M6x12 screws as you can damage the printed parts

4x 3030 Drop-in T-Nut - M6

Insert the T-Nuts inside the profile in the shown orientation.

Upper right plate assembly from Step 14

Make sure the Stepper motor shaft is aligned with the F695ZZ Bearing inner hole.

Insert the Aluminium Spacer 3x6x30mm between the top and bottom plates

Insert the M3x40 countersink screw through the top plate, the aluminium spacer 3x6x30mm, and the bottom plate.

Do not thread it to the stepper motor at this stage

M5 Hex Locking nut

Thread the locking nut in the M5x45mm Cap Head Screw

Hold the Locking nut with the appropriate size wrench.

Tighten the M5x45mm Cap Head Screw

Ensure the bearings rotate freely.

Tighten the M3x40 Countersink Screw

Repeat Steps 15 to 19 and install the left stepper motor to the V-Core 4 frame.

1x vc4_xy_motor_upper_right

1x vc4_xy_motor_upper_left

4x 695ZZ Bearing

8x F695ZZ Bearing

8x Aluminium Spacer 5x8x4mm

2x 20 Tooth 2GT Timing Pulley for 9mm Belt

6x M3x6 Countersink Screw

4x M5x45 Cap Head Screw

2x Mini precision shim 8x5x1mm

2x Nema 17 Stepper motor - HT - 48mm

6x M5 Hex Locking nut

8x Aluminium Spacer 6x10x30mm

2x Aluminium Spacer 3x6x30

2x M3x40 CounterSink Screw

4x Aluminium Spacer 5x8x10mm

8x M6x50 Cap Head Screw

vc4_XY_motor_lower_left

Nema 17 Stepper motor - HT - 48mm

Be mindful of the cable orientation.

3x M3x6 Countersink Screws

Insert the M3x6 screws into the Right Stepper motor plate assembly as shown, and fasten them to secure the NEMA17 motor.

20 Tooth 2GT Timing Pulley for 9mm Belt

The timing pulley will be aligned and fully secured when needed. Do not tighten the M3 grub screws

M5x45 Cap Head Screw

Insert a mini precision shim on the screw, before installing it on the plate.

Install the following components in the order shown in the image:

2x Aluminium spacer 5x8x4mm

F695ZZ Ball Bearing (Flange at the bottom)

695ZZ Ball Bearing

F695ZZ Ball Bearing (Flange at the top)

Aluminium spacer 5x8x10mm

vc4_xy_motor_upper_right

Aluminium Spacer 3x6x30mm

Insert the Aluminium Spacer between the top and bottom plates

M3x40 Countersink Screw

Insert the M3x40 countersink screw through the top plate, the aluminium spacer 3x6x30mm, and the bottom plate. Loosely thread it onto the stepper motor. Do not tighten them at this point.

Ensure the screw head is on the same side as the countersink bore.

M5 Nylon Locking Nut

Thread the locking nut on to the M5x45 Cap Head Screw

M5x45 Cap Head Screw

Insert it in the designated hole and push it in 5-10mm

Insert the following items while pushing the M5x45 Cap head screw further:

Aluminium spacer 5x8x4mm

Insert the M5x45 further

Aluminium spacer 5x8x4mm

Insert the M5x45 further

F695ZZ Ball Bearing (Flange at the bottom)

Insert the following items while pushing the M5x45 Cap head screw further:

695ZZ Ball Bearing

Insert the M5x45 further

F695ZZ Ball Bearing (Flange at the top)

Insert the Aluminium spacer 5x8x10mm

Fully insert the M5x45mm Cap Head Screw

Don't allow it to drop!

Flip the assembly upside down, ensuring the M5x45 Cap Head Screw can't fall.

Tighten the M3 countersink screw

Tighten the M5 nylon locking nut

Put the assembly aside, it will be used later in the guide.

vc4_XY_motor_lower_right

Nema 17 Stepper motor - HT - 48mm

Be mindful of the cable orientation.

3x M3x6 Countersink Screws

Insert the M3x6 screws into the Right Stepper motor plate assembly as shown, and fasten them to secure the NEMA17 motor.

20 Tooth 2GT Timing Pulley for 9mm Belt

The timing pulley will be aligned and fully secured in a later step. Do not tighten the M3 grub screws

M5x45 Cap Head Screw

Insert a mini precision shim on the screw, before installing it on the plate.

Install the following components in the order shown in the image:

2x Aluminium spacer 5x8x4mm

F695ZZ Ball Bearing (Flange at the bottom)

695ZZ Ball Bearing

F695ZZ Ball Bearing (Flange at the top)

Aluminium spacer 5x8x10mm

vc4_xy_motor_upper_left

Aluminium Spacer 3x6x30mm

Insert the Aluminium Spacer between the top and bottom plates

M3x40 Countersink Screw

Insert the M3x40 countersink screw through the top plate, the aluminium spacer 3x6x30mm, and the bottom plate. Loosely thread it onto the stepper motor. Do not tighten them at this point.

Ensure the screw head is on the same side as the countersink bore.

M5 Nylon Locking Nut

Thread the locking nut on to the M5x45 Cap Head Screw

M5x45 Cap Head Screw

Insert it in the designated hole and push it in 5-10mm

Insert the following items while pushing the M5x45 Cap head screw further:

Aluminium spacer 5x8x4mm

Insert the M5x45 further

Aluminium spacer 5x8x4mm

Insert the M5x45 further

F695ZZ Ball Bearing (Flange at the bottom)

Insert the following items while pushing the M5x45 Cap head screw further:

695ZZ Ball Bearing

Insert the M5x45 further

F695ZZ Ball Bearing (Flange at the top)

Insert the Aluminium spacer 5x8x10mm

Fully insert the M5x45mm Cap Head Screw

Don't allow it to drop!

Flip the assembly upside down, ensuring the M5x45 Cap Head Screw can't fall.

Tighten the M3 countersink screw

Tighten the M5 nylon locking nut

Put the assembly aside, it will be used later in the guide.

vc4_dual_motor_spacer

Insert the printed part through the screws.

Ensure the t-nuts are aligned with the printed part holes, this will be critical in the next steps. You can use a small allen key to help align them

Upper right Y motor assembly from Step 28

Make sure the assembly is flush with the frame extrusion before proceeding.

Align the M5x85 Cap Head Screw already on the V-Core 4, with the M5x45 Cap Head Screw on the Top Y stepper assembly

Slowly drop the Top Y stepper assembly

While allowing the M5x85 Screw to push the M5x45 Screw out.

Take it slowly, as it's crucial that all components get transferred to the M5x85 Cap Head Screw

Completely remove the M5x45 Cap Head Screw, it won't be used anymore.

Store it in the "upcoming project spare parts box"

Make sure the Top Y Stepper assembly is fully seated on the printed part

M5 Nylon Locking Nut

Hold the Locking nut with the appropriate size wrench.

Thread the M5x85 Cap Head Screw in to the M5 Nylon Locking Nut

Do not fully tighten it yet, it will be addressed further in the guide.

Verify that all T-nuts are aligned with the holes on the Top Y Stepper assembly.

Use a small allen key, or a screw if any t-nut is misaligned.

2x Aluminium Spacer 6x10x30mm

Insert the spacer between the plates and align it with the holes

2x M6x50 Cap Head Screws

Insert the screws through the top plate, spacers and bottom plate, threading them into the previously inserted M6 T-nuts. Do not fully tighten them yet

2x Aluminium Spacer 6x10x30mm

Insert the spacer between the plates and align it with the holes

2x M6x50 Cap Head Screws

Insert the screws through the top plate, spacers and bottom plate, threading them into the previously inserted M6 T-nuts. Do not fully tighten them yet

Hold the Locking nut with the appropriate size wrench.

Tighten the M5x85 Cap Head Screw

Ensure the bearings rotate freely.

Tighten all the M6x50 to secure the assembly

Repeat Steps 35 to 41 and install the upper left Y motor assembly from Step 34 on the V-Core 4 frame.

Rat Rig V-Core 4.0 - Tensioner Body - Right v1.0

Rat Rig V-Core 4.0 - Tensioner Body - Left v1.0

6x M4x30 Cap Head Screw

4x M5x22 Countersink Screw

4x M4x6 Set Screw

4x M4x20 Cap Head Screw

8x Mini precision shim 8x5x1mm

8x Ball bearing F695ZZ

4x Ball bearing 695ZZ

4x Rat Rig V-Core 4.0 - Tensioner Arm v1.0

Rat Rig V-Core 4.0 - Tensioner Arm v1.0

Install the following components in the order shown in the image:

Mini Precision Shim

F695ZZ Ball Bearing (Flange at the top)

695ZZ Ball Bearing

F695ZZ Ball Bearing (Flange at the bottom)

Mini Precision Shim

Insert the M5x22 Countersink Screw and tighten it to secure the assembly.

Repeat Steps 45 and 46 to assemble another three tensioner arms

Rat Rig V-Core 4.0 - Tensioner Body - Right v1.0

3x M4x30 Cap Head Screws

Insert the screws through the holes on the V-Core 4 frame extrusion and thread them in the Tensioner Body - Right v1.0.

Tighten the M4x30 cap head screws.

Front tensioner arm assembly from Step 46

Insert the tensioner arm in the lower slot of the tensioner body.

Make sure the tensioner arm has cleared the hole on the tensioner body.

M4x20 Cap Head Screw

Insert the screw through the tensioner body and lightly thread it to the tensioner arm.

The M4x20 screw must be partially, but not fully, threaded into the tensioner arm. This allows the largest possible range for tensioning the belts further in the guide.

M4x6 Set Screw

Tighten the Screw to secure the tensioner arm in place

Repeat Step 48 and install the top tensioner arm.

Repeat Steps 47, 48 and 49 and install the left front tensioner assembly.

Your V-Core 4 should look like this at this stage

Don't forget to drink some water! Stay hydrated.

Route the L Stepper motor cable as shown.

Route the R Stepper motor cable as shown.

Connect the Left [L] Stepper motor cable to the first slot available on the Octopus Board, counting from the bottom.

Connect the Right [R] Stepper motor cable in the sixth slot available on the Octopus Board, counting from the bottom.

The stepper motor wire colour order does not matter if the cable was supplied in the V-Core 4 kit.

Use three wire clips prepared in Step 61 at the marked locations. Evenly distribute them along the extrusion.

Route the Y1 Stepper motor cable as shown.

Route the Y2 Stepper motor cable as shown.

Connect the Y1 Stepper motor cable to the second slot available on the Octopus Board, counting from the bottom.

Connect the Y2 Stepper motor cable in the fifth slot available on the Octopus Board, counting from the bottom.

The stepper motor wire colour order does not matter if the cable was supplied in the V-Core 4 kit.

Use three wire clips prepared in Step 61 at the marked locations. Evenly distribute them along the extrusion.