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Right Stepper motor plate assembly from Step 27 of chapter 01.Frame assembly
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Left Stepper motor plate assembly from Step 27 of chapter 01.Frame assembly
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2x Nema 17 Stepper motor - HT - 48mm
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2x 20 Tooth 2GT Timing Pulley for 9mm Belt
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6x M3x6 Countersink Screws
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3x Aluminium spacer 5x8x4mm
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1x Aluminium spacer 5x8x14mm & Aluminium spacer 5x8x17mm
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5x Mini precision shim 8x5x1mm
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6x Ball bearing 695ZZ
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14x Ball bearing F695ZZ
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Right vc4_motor_spacer
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Left vc4_motor_spacer
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4x M5x45 Cap Head Screws
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Right Stepper motor plate assembly from Step 27 of chapter 01.Frame assembly
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Ensure the t-nuts are on the same side as the countersink bores.
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Nema 17 Stepper motor - HT - 48mm
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Be mindful of the cable orientation, it should replicate the image.
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3x M3x6 Countersink Screws
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Insert the M3x6 screws into the Right Stepper motor plate assembly as shown, and fasten them to secure the NEMA17 motor.
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Refer to the side of the assembly which has the M5 holes
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Remove the two M6x12 Cap Head Screws
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Remove the two 3030 Drop-in T-Nut - M6
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Right vc4_motor_spacer
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Install the printed part next to the nema 17 stepper motors, and make sure the holes are aligned.
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Insert the two M6x12 Cap Head Screws
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Insert the two 3030 Drop-in T-Nut - M6
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Loosely thread a 3030 T-Nut onto each of the M6x12 screws. Do not tighten them at this point.
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Ensure the right vc4_motor_spacer printed part is aligned with the plate
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Insert the M5x45 Cap Head Screws all the way
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Once inserted, the printed part should be able to hold them in place
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Install the timing pulley onto the NEMA17 shaft, oriented as shown
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The timing pulley will be aligned and fully secured in a later step.. Do not tighten the M3 grub screws
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Install the following components in the order shown in the image:
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Mini Precision Shim
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F695ZZ Ball Bearing (Flange at the bottom)
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695ZZ Ball Bearing
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F695ZZ Ball Bearing (Flange at the top)
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Insert a Mini Precision Shim on the rear M5x45 Screw
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Install the following components on the rear M5x45 Screw in the order shown in the image:
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F695ZZ Ball Bearing (Flange at the bottom)
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695ZZ Ball Bearing
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F695ZZ Ball Bearing (Flange at the top)
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Install an Aluminium spacer 5x8x4mm on the rear M5x45 Screw
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Install an Aluminium spacer 5x8x17mm on the front M5x45 Screw
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Set the assembly aside, let's assemble the left stepper motor.
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Left Stepper motor plate assembly from Step 27 of chapter 01.Frame assembly
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Ensure the t-nuts are on the same side as the countersink bores.
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Nema 17 Stepper motor - HT - 48mm
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Be mindful of the cable orientation, it should replicate the image.
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3x M3x6 Countersink Screws
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Insert the M3x6 screws into the Right Stepper motor plate assembly as shown, and fasten them to secure the NEMA17 motor.
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Refer to the side of the assembly which has the M5 holes
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Remove the two M6x12 Cap Head Screws
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Remove the two 3030 Drop-in T-Nut - M6
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Left vc4_motor_spacer
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Install the printed part next to the nema 17 stepper motors, and make sure the holes are aligned.
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Insert the two M6x12 Cap Head Screws
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Insert the two 3030 Drop-in T-Nut - M6
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Loosely thread a 3030 T-Nut onto each of the M6x12 screws. Do not tighten them at this point.
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Ensure the left vc4_motor_spacer printed part is aligned with the plate
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Insert the M5x45 Cap Head Screws all the way
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Once inserted, the printed part should be able to hold them in place
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Install the timing pulley onto the NEMA17 shaft, oriented as shown
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The timing pulley will be aligned and fully secured in a later step. Do not tighten the M3 grub screws
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Insert a Mini Precision Shim on the rear M5x45 Screw
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Install an Aluminium spacer 5x8x14mm on the front M5x45 Screw
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Install the following components on the rear M5x45 Screw in the order shown in the image:
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F695ZZ Ball Bearing (Flange at the bottom)
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695ZZ Ball Bearing
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F695ZZ Ball Bearing (Flange at the top)
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Insert a Mini Precision Shim on the rear M5x45 Screw
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Install the following components in the order shown in the image:
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F695ZZ Ball Bearing (Flange at the bottom)
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695ZZ Ball Bearing
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F695ZZ Ball Bearing (Flange at the top)
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Aluminium spacer 5x8x4mm
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Set the assembly aside. it will be used in a few steps
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4x M5 Hex Locking nut
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8x 3030 Drop-in T-Nut - M6
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8x M6x12 Cap Head Screws
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2x M3x40 Countersink Screw
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2x Aluminium Spacer 3x6x30mm
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The metal plates are not marked with "R" or "L" Please refer to the orientation to help identify them.
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vc4_trim_coreXY_right and vc4_trim_coreXY_left
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vc4_xy_motor_upper_right and vc4_xy_motor_upper_left
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vc4_trim_coreXY_right
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2x M5 Hex Locking nut
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Insert the M5 Hex Locking nut upside down.
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vc4_xy_motor_upper_right
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Ball bearing F695ZZ
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Insert the Ball bearing F695ZZ with the flange at the top
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Ensure the bearing flange is on the same side as the countersink bore.
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vc4_xy_motor_upper_right assembly
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vc4_trim_coreXY_right assembly
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Insert the four M6x12 Cap Head Screws
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Insert the four 3030 Drop-in T-Nut - M6
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Loosely thread a 3030 T-Nut onto each of the M6x12 screws. Do not tighten them at this point.
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Repeat Steps 14 and 15 and complete the left assembly
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Place the right stepper motor assembly from Step 12 in the frame
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Install the right stepper motor assembly to the V-Core 4 frame as shown
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Tighten the four M6x12 screws to secure the motor_plate assembly to the frame
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Make sure the plate is fully seated against the 3030 extrusion before tightening the M6x12 screws
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Take care not to over tighten the M6x12 screws as you can damage the printed parts
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Right top stepper motor assembly from Step 16
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Make sure the plate is fully seated against the 3030 extrusion.
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Insert the Aluminium Spacer 3x6x30mm between the top and bottom plates
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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
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Progressively tighten both M5x45 screws, alternating between them, so the top plate assembly is pulled down uniformly.
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Take care not to over tighten the M5x45 screws as you can damage the printed parts
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Tighten the M3x40 countersink screw to to nema 17 stepper motor thread.
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Tighten the four M6x12 screws to secure the motor_plate assembly to the frame
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Make sure the plate is fully seated against the 3030 extrusion before tightening the M6x12 screws
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Take care not to over tighten the M6x12 screws as you can damage the printed parts
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Repeat Steps 17 to 20 and install the left stepper motor to the V-Core 4 frame.
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Rat Rig V-Core 4.0 - Tensioner Body - Right v1.0
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Rat Rig V-Core 4.0 - Tensioner Body - Left v1.0
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6x M4x30 Cap Head Screw
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2x M5x22 Countersink Screw
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2x M4x6 Set Screw
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2x M4x20 Cap Head Screw
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4x Mini precision shim 8x5x1mm
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4x Ball bearing F695ZZ
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2x Ball bearing 695ZZ
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2x Rat Rig V-Core 4.0 - Tensioner Arm v1.0
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Rat Rig V-Core 4.0 - Tensioner Arm v1.0
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Install the following components in the order shown in the image:
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Mini Precision Shim
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F695ZZ Ball Bearing (Flange at the top)
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695ZZ Ball Bearing
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F695ZZ Ball Bearing (Flange at the bottom)
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Mini Precision Shim
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Insert the M5x22 Countersink Screw and tighten it to secure the assembly.
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Repeat Steps 25 and 26 to assemble another tensioner arm
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Rat Rig V-Core 4.0 - Tensioner Body - Right v1.0
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3x M4x30 Cap Head Screws
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Insert the screws through the holes on the V-Core 4 frame extrusion and thread them in the Tensioner Body - Right v1.0.
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Tighten the M4x30 cap head screws.
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Front tensioner arm assembly from Step 26
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Insert the tensioner arm in the lower slot of the tensioner body.
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Make sure the tensioner arm has cleared the hole on the tensioner body.
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M4x20 Cap Head Screw
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Insert the screw trough the tensioner body and lightly thread it to the tensioner arm.
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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.
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M4x6 Set Screw
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Tighten the Screw to secure the tensioner arm in place
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Repeat Steps 27 to 29 and assemble the Left front tensioner
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Your V-Core 4 should look like this at this stage
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Don't forget to drink some water! Stay hydrated.
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