Admin: Created page with "During this step, you will assemble two carriages: * The left Y carriage; * The right Y carriage. You will need two of the motor plates you have assembled in the previous ste..."

2016-09-22T14:03:30Z

Created page with "During this step, you will assemble two carriages: * The left Y carriage; * The right Y carriage. You will need two of the motor plates you have assembled in the previous ste..."

New page

During this step, you will assemble two carriages:
* The left Y carriage;
* The right Y carriage.

You will need two of the motor plates you have assembled in the previous
step (mirror images of each other), eight assembled V-wheels, and the
remaining parts from '''Pack 3'''.

[[File:EShapeoko 1.2 assembly Y V-wheels.png|frame|none|Y V-wheels (left Y carriage, shown here with a NEMA 17 motor)]]

[[File:EShapeoko 1.2 assembly Y V-wheels hole positions.png|thumb|right|x231px|Hole positions for Y V-wheels (red: fixed V-wheel; blue: adjustable V-wheel)]]
{| class="wikitable"
|-
!Item
!Part Number
!Part Description
!Count
|-
!colspan="4"|''For each carriage''
|-
|1
|S5-30
|M5 30mm cap screw
|4
|-
|2
|W5
|M5 washer (form A)
|12
|-
|3
|MES
|Eccentric spacer
|2
|-
|4
|
|Assembled V-wheel
|4
|-
|5
|N5
|M5 hex nut
|4
|}

Check the drawing for the correct orientation
of the plate: regardless of the motor and idler configuration, the
V-wheels should be on the opposite side of the motor. The drawing
shows the left Y carriage; the right Y carriage is a mirror image.

The top wheels (marked A in the image) are fixed, the bottom ones (B)
are adjustable. Put a washer on each bolt. For the bottom wheels, also
add an eccentric spacer. Insert the bolts into the holes. For the
top wheels, use the top half of the hole (further away from the
adjustable wheels, and from the edge of the plate — see hole position
diagram). Initially,
position the eccentric spacers so that the top and bottom wheels are
furthest apart (marked face toward the bottom). On each bolt, add a
washer, a V-wheel, another washer, and a nut. Snug the nuts.

If you have '''limit switches''', you can install them now.
It will be more difficult later, with the carriage riding on the rail.

This is a good time to adjust the V-wheels. Slide the carriage on a
piece of rail. Turn the eccentric spacers until the plate is held
snugly, with no wobble, but still glides without excessive resistance.
Tighten the bolts of the top V-wheels securely, readjust the eccentric
spacers, and tighten the bottom V-wheels too. It's hard to describe
how tight the eccentric spacers should be; there is some room for
experimentation. As a guide, it should be difficult to hold a
V-wheel fixed with your fingers (to prevent it from turning) and
slide the carriage on the rail.

You can leave the rail in. The rail
should have the single T-slot between the Vs at the bottom, although
this is not essential.

-----

This is the ''left Y carriage''. Repeat for the ''right Y carriage'',
which is a mirror image.

Set the Y carriages aside for now.

== Go To ==

* Next step: [[EShapeoko 1.4 Assembly: X Rail|X rail]]
* Previous step: [[EShapeoko 1.4 Assembly: X and Y Motors|X and Y motors]]
* Back to [[EShapeoko 1.4 Assembly Instructions|assembly top page]]

EShapeoko 1.4 Assembly: Y Carriages - Revision history

Admin: Created page with "During this step, you will assemble two carriages: * The left Y carriage; * The right Y carriage. You will need two of the motor plates you have assembled in the previous ste..."