Sovol SV06 Plus - 9mm Dual Y
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dual y + 9mm belt mod for the sovol sv06 plus. probably works on the regular 06 too.
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Updated at source:
Model information
- Source
- Printables
- Category
- Other Printer Parts & Upgrades
- License
- Creative Commons — Attribution — Noncommercial — Share Alike
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!!! THIS MOD IS EXPERIMENTAL !!! I AM NOT RESPONSIBLE FOR ANY DAMAGED OR BROKEN MACHINES !!!
maintains full travel distance of the y axis.
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UPDATES
sv06-y_axis_belt_tensioner-v2.stl- provided a better cap for the bolt.sv06-y_axis_stepper_mount-v4.stl- much more rigid, double supported, maintains grub screw access.
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PREREQUISITE ITEMS
- GATES-LL-2GT 9mm, ~875mm length
- (2) NEMA 17 stepper motors
- (2) 625 bearing
- (9) M4 nut
- (8) M4x12 screw
- (8) M3x12 screw
- (1) M4x15 screw
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INSTALLATION
- replace stock hardware with dual y parts and associated hardware mentioned in the file descriptions.
- the belt buckle is polarized, belt inlet pointing away from the X stepper; the screw holes are intentionally offset to keep the belt centered on the stepper pulleys.
- the rear stepper pulley's grub screws should grip onto the d cut of the shaft.
- the front stepper pulley's grub screws should grip onto the round portion of the shaft.
- ensure that the stepper pulleys are not rubbing against the bearing; there should be a gap between the two.
- the tensioner is not polarized; install may be a little tricky if the belt is already sufficiently taught. it may help to loosen the front stepper's mount to give extra slack. position it as close to the front stepper as possible.
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MOTOR SYNCING
checking for motor synchronization is quite simple: enable the Y1 and Y2 steppers, and listen for any clicking. a quiet click is normal, but a loud click indicates the motors are not on the same step. a system far enough out of sync will even have the bed visibly move.
motor syncing is typically needed after the following conditions:
- bed carriage experiences thermal expansion.
- skipped steps.
- belt tension changed.
- stepper grub screws came loose.
the steps for synchronization are straight-forward:
- disable the steppers.
- ensure the rear stepper pulley's grub screws are tight.
- ensure the front stepper pulley's grub screws are loose.
- enable and disable the steppers a few times - ensure there's no loud clicks, as this means there is a large amount of movement.
- re-tighten the front stepper pulley's grub screws.
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ISSUES
- the input shaping graph is mildly worsened, at least on my setup.
- this was fixed with a carriage-mounted accelerometer.
- there is barely any clearance between the buckle beneath the bed and the tensioner, causing there to sometimes be a rattle when the belt resonances.
- VFAs below 110 mm/s.