CNC3D QB2 CNC Router User Guide
QB2 CNC Maintenance guide
It is recommended to visit this guide immediately after positioning your machine
and setting it up. It is also recommended to periodically visit this guide to ensure
smooth operation and a long service life of your machine or if something isn’t
quite right such as cuts not coming out right or Z axis depth inconsistent
.
1. Check ALL the nuts and bolts on your machine.
Visit all the nuts and bolts on your machine. You will need a 2mm, 2.5mm, 3mm and
4mm allen keys and a small flat blade screwdriver to check every connection. Test
each bolt and tighten them if they are loose. This includes the green connectors that
join the wires together on your limit switches and stepper motors.
IMPORTANT: When tightening any allen key bolts it is recommended to use a solid
allen key end NOT any ball end side of an allen key or you run the risk of stripping the
bolt heads.
2. Check to make sure your gantry is square.
It is important to ensure your machine frame stays square. Use a tape measure or
ruler to make sure both sides of the machine are equal distance from the front. To do
this, measure from the gantry side plate to the front plate. Repeat the same process
on the other side of the machine and record the results. If one side is more than 1mm
out from the other side, you need to manually turn the lead screw on one side of the
machine until it is within 1mm of the other side. You can look at repeating this simple
process daily or every 1‐2 weeks. The more frequently it is performed, the better your
machine will operate.
**PLEASE NOTE: QB2 machines received after April 2022 have dual axis homing, it is
recommended to occasionally check your gantry squareness after homing and making
some slight adjustments to the position of your limit switches if your gantry is not
completely square. Ideally, a squareness of less than 1mm is recommended.
QB2 Page 21
QB2 User and Maintenance Guide – Revised 28/09/2022
| General | Details |
|---|---|
| Name | CNC3D QB2 CNC Router User Guide |
| Make | CNC3D |
| Language | English |
| Filetype | PDF (Download) |
| File size | 1.11 MB |
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