Genmitsu 3020-PRO MAX CNC User manual

V1.0 Mar. 2023
INSTALLATION GUIDE
Genmitsu 3020-PRO MAX
Y-Axis Aluminum Profile

3020-PRO MAX Y-Axis Aluminum Profile Installation Guide
Package List
Optional Accessories (Not Included)
Dimension
Preparation
Install New Aluminum Profiles
Wiring
3020-PRO MAX Aluminum Spoilboard Installation Guide
Package List
Dimension
Preparation
Install New Aluminum Profiles
Wiring
3020-PRO MAX Y-Achse Aluminiumprofil Installationsanleitung
Liste der Pakete
Optionales Zubehör (nicht im Lieferumfang enthalten)
Dimension
Vorbereitungen
Neue Aluminium-Profile installieren
Verkabelung
3020-PRO MAX Aluminum Spoilboard Installation Guide
Packliste
Dimension
Vorbereitungen
Neue Aluminium-Profile installieren
Verkabelung
01
02
03
04
10
22
26
27
28
35
50
54
55
56
57
63
75
79
80
81
88
103

Package List
01
(2) Aluminum Profile
1
Y-Axis Limit
Switch Cable
4Knob
7
(9) M5×22
Round Head screw
8(10) Cable Tie 93mm Allen
Wrench
10 User Manual 11
Cable of Y-Axis Motor
5Section Seal 6
Lead Screw
2(2) Polished Rod 3

Optional Accessories (Not Included)
02
Consider following optional upgrades or accessories to make your CNC experience better!
You can find them on www.sainsmart.com.
Compressed FAC
Laser Module
Φ52mm ABS Aluminum
Dust Shoe
MC50A, 1/8" Shank,
Tungsten Carbide End
Mill Router Bits
6PCS Micro Limit
Switches with
1M 2 Pin Cable

Dimension
03
Notes: When removing accessories, make sure to keep track of all the screws, springs and other parts.
Organize them properly so that the installation process goes smoothly.
575mm
390mm
295mm

STEP 1: Remove the Gantry
04
1. Remove the Y-axis limit switch cable and Y-axis motor cable from the machine.
Tip: Before removing the cable, make sure to document how it’s connected. You can take pictures or use
other methods to help with the wiring process later on.
2. Unscrew the fixing screws on the left and right sides of the gantry, and remove the gantry.
(8) Gantry Fixing Screw Gantry
(8) Gantry Fixing Screw

STEP 2: Remove the Original Lead Screw
05
Note: After completing this step, you will remove the following parts from the original machine, please
make sure to keep them organized so that the installation process goes smoothly.
1. Loose the fixing screws of the lead screw.
2. Turn the knob until the screw rod is released from the rod holder,
and remove the original lead screw.
T-brass Nut Spring
Knob
Lead Screw
Holder
Original Lead Screw
(2) Lead Screw
Fixing Screw

STEP 3: Remove the Front Bar
06
Unscrew the front bar fixing screws, and remove the front bar.
Front
Bar
(2) Front Bar
Fixing Screw
(4) Front Bar
Fixing Screw
(4) Front Bar
Fixing Screw

STEP 4: Remove the Original Aluminum Profiles
07
1. Unscrew the rear bar fixing screws, and remove original aluminum profiles.
(4) Rear Bar
Fixing Screw
(4) Rear Bar
Fixing Screw
Original Aluminum Profile
Original Aluminum Profile
Rear Bar

STEP 4: Remove the Original Aluminum Profiles
08
2. Unscrew the rubber foot fixing screws from the original aluminum profile. Then set aside the parts
shown in the picture for backup.
Fixing Screw of
the Rubber Foot
Rubber Foot
T-slot Nut
Original Aluminum Profile

STEP 5: Remove the Original Polished Rods
09
Unscrew the polished rod fixing screws, and remove the original polished rods.
(2) Polished Rod
Fixing Screw
Original Polished Rod

STEP 6: Install New Aluminum Profiles
10
Insert the screws through the round holes of the rear bar, align them with the screw holes of the new
aluminum profiles, then screw them into the threaded holes and tighten them.
(4) Rear Bar
Fixing Screw Rear Bar
New Aluminum Profile
(4) Rear Bar
Fixing Screw
Rear Bar
New Aluminum Profile

STEP 7: Install New Polished Rods
11
Insert the screws through the round holes of the rear bar, and align them with the screw holes of the
new polished rods, then screw them into the threaded holes and tighten them.
PUSH
PUSH
(2) Polished Rod
Fixing Screw
New Polished Rod

STEP 8: Install the Aluminum Platform
12
Align the holder holes with the polished rod, then push the aluminum platform to make the polished rods
slide into the platform.
Aluminum Platform
(4) Polished Rod Holder
New Polished Rod

STEP 9: Install the Front Bar
13
1. Insert the screws through the round holes of the front bar, and align them with the screw holes of the
new aluminum profiles, then screw them into the threaded holes and tighten them.
2. Insert the screws through the round holes of the front bar, and align them with the screw holes of the
new polished rods, then screw them into the threaded holes and tighten them.
New Aluminum Profile
New Aluminum Profile
Front Bar
(4) Front Bar
Fixing Screw
(2) Front Bar
Fixing Screw
Front Bar
(4) Front Bar
Fixing Screw

PUSH
New Lead Screw
STEP 10: Install the New Lead Screw
14
1. Align the new lead screw with the front bar hole.
2. Push the lead screw so that it passes through the front bar.

STEP 10: Install the New Lead Screw
15
3. Align the new lead screw with the threaded hole of the T-brass nut.
4. Rotate the lead screw clockwise, about five turns.
New Lead Screw
T-brass Nut

STEP 10: Install the New Lead Screw
16
5. Align the T-brass nut with the round brass nut.
6. Push the screw to make the T-brass nut through the spring and tightly with the round brass nut.
7. Rotate the lead screw clockwise until the screw rod is exposed to the lead screw holder about 40mm.
Spring
T-brass Nut TabRound Brass Nut RecessLead Screw Holder
40mm

STEP 10: Install the New Lead Screw
17
8. Push the lead screw into the coupler, and tighten with the lead screw fixing screws after the lead screw
reaches the limit position.
(2) Lead Screw
Fixing Screw
PUSH
New Lead Screw
Coupler

STEP11: Mount Knob
18
1. Spot the screw glue (provide your own) on the threaded hole of the knob, then align the knob hole
with the lead screw.
2. Grasp the lead screw to prevent it from rotating, then use the other hand to turn the knob clockwise
until it is no longer rotatable.
3. Release the hand, turn the knob counterclockwise, observe whether the lead screw is rotating
synchronously with the knob, if so, then the installation is finished.
4. If the screw rod does not rotate in sync with the knob, repeat STEP 11 steps 2 and 3.
Lead Screw Knob