SainSmart Genmitsu 3020-PRO MAX User manual

USER MANUAL
Genmitsu 3020-PRO MAX CNC Router
V1.0 Sept. 2021

Welcome
Disclaimer
Specifications
1 – Unboxing
2 – Mechanical Assembly
3 – Wiring
4 – Software Setup
02
03
04
05
10
18
23

Thank you for purchasing the Genmitsu 3020-PRO MAX CNC Router from SainSmart. Included in your package is a pre-loaded
USB Stick, on this you will find:
Please visit the SainSmart Online Resource Center for help installing drivers and software for your CNC.
● PDF version of this manual
● Windows USB Driver
● GrblControl/Candle software for Windows
● Sample files

Please be careful when using your CNC machine. This machine is an electrical device with moving parts and
dangerous areas.
Genmitsu CNC Machines are for Indoor Use Only.
You must be 18 years or older to operate this machine, unless supervised by a knowledgeable adult familiar with the machine.
Wear the proper Personal Protection Equipment (Safety Glasses etc.).
Always place the CNC Machine on a stable surface.
The SainSmart Genmitsu CNC Machine is supplied with Switchable Power Supply 230VAC or 115VAC. Never use a different
power supply; it may cause malfunctions or damage to the machine.
The 3020-PRO MAX utilizes a high amp power supply. It is recommended that you do not plug the CNC Router into an extension
cord, or power strip as it may damage the machine. (Need final confirmation）
Ensure the Emergency stop button is easily accessible at all times.
Never disassemble the Power Supply or Electrical Components. This will VOID the warranty.
DO NOT TOUCH the machine spindle, or place any body part near the working area when the machine is operating. Serious injury
may occur.
DO NOT leave children unsupervised with the CNC Machine even when it’s not operating. Injury may occur.
DO NOT leave the machine unattended while it's operating.
Ensure your CNC Machine is in a well-ventilated area. Some Materials may discharge smoke or fumes during operation.
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Work Area
Drive System
Control Board Compatibility
Stepper Driver
Stepper Motors
Spindle
Accuracy
Power Supply
CAM Software
Limit Switches
Emergency Stop
Offline Controller
Overall machine size
Machine Weight
Rotary 4th axis
Laser Module
Support OS
300 x 200 x 72mm (11.81 x 7.87 x 2.83inch)
Linear Rail Guide & T nut Screw
GRBL 1.1f
A4988
42 x 48mm
300W/12000RPM
±0.1mm
48V/7.3A
Candle, Carveco Maker, Easel and more
Yes
Yes
Yes
391 x 461 x 357mm (15.39 x 18.15 x 14.06inch)
10.8kg
Coming Soon
Support laser module with 33mm width.
Windows XP/7/8/10, Linux, Mac OS

Base Assembly X-axis/Z-axis Gantry Spindle with ER11 Tail
(300W/12000RPM)

06
Electrical Parts List
1 × Spindle Cable
4
USB Flash Disk (4G)
8Power Supply (48V/7.3A) 9Offline Controller 10
3 × Stepper Motor Cable
5Controller Board 6USB Cable (1.5m) 7

07
Tools/Accessories Parts List
19 20 4 x Rubber Feet 22 Screwdriver 21 2 x Wrench
(17mm, 15mm)
Cable Protector (2m)
11
4 x Clamp
15 Cleaning Brush 16 Laser Mount
(33mm)
18
Allen Wrench Set
(1.5mm, 2mm, 2.5mm,
3mm, 4mm, 5mm)
12 Emergency Stop Button
with Cable (60cm)
13
2 x Cable Tie
(14*87*2mm, 17*88*2mm)
17
3 x Limit Switch
(60cm)
14
10 × Engraving Bit Kit
20 Degree, 0.1mm Cutting area,
3.175 Diameter

08
23 4 x M5*10 Screw
4 x M5 T Slot Nut
16 x M5*16 Screw 4 x M4*10 Screw 4 x M4 T Slot Nut
24 25
Screws/Other Parts List
27 28 16 x Spring Loaded
M5 T Nut 29 4 x M2.5*10 Screw 30 4 x M2.5*12 Screw
26

09
Optional Accessories (Not Included)
5.5W Fixed Focus
Laser Module
2PCS T-Track
Mini Hold Down
Clamp Kit
EM10B, 1/8" Shank,
Single Flute Ball Nose
V-Groove CNC Cutter
EM03A, 1/8" Shank,
Chromatic End Mill
Cutter Set
Scan QR codes to learn more

Part 2 - Mechanical Assembly
Step 1：Align the X / Z-axis Gantry Fixing Nuts
Before we begin, place your 3020-PRO MAX CNC Base on a flat and level surface.
28 16 x Spring Loaded M5 T Nut
Base Assembly
Insert Spring loaded M5 T Nuts into the side of the profile. Do this by tilting the T Nut at
an angle as shown in the diagram below with the tapered side into the slot, be sure the
T Nuts are fully seated into the slot by pressing the T Nut flat. Then align the T Nuts to
match on both sides of the Y-axis according to the Gantry holes (See Diagram).
Spring Loaded
M5 T Nut
Spring Loaded
M5 T Nut
Step diagram for putting
the nuts into the profile:

Step 2：Install the X / Z-axis Gantry
X-axis/Z-axis
Gantry
After you align the gantry with the nut holes, tighten the M5*16 Screws, before completely tightening, ensure the back of the
gantry is spaced 13mm from the back of the machine frame on both sides (See Diagram Below).
X-axis/Z-axis Gantry 16 x M5*16 Screw
M5*16 Screw
24
1
2

12
Step 3：Install the Rubber Feet
What you will need
Place the M4 T Slot Nut into the profile, align the Rubber Feet with the screw hole, adjust the Rubber Feet position, and then
tighten the M4*10 Screw.
4 x M4*10 Screw
M4*10 Screw
4 x M4 T Slot Nut
M4 T Slot Nut
25
20 4 x Rubber Feet
Rubber Feet
26

Step 4：Install the Limit Switches
What you will need
Align the X-axis, Y-axis and Z-axis limit switches with the screw holes and tighten the M2.5 Screws.
For the Z-axis one, please use the M2.5*10 Screw, for the X-axis and Y-axis, use the M2.5*12 Screws.
29 4 x M2.5*10 Screw 30 4 x M2.5*12 Screw
3 x Limit Switch (60cm)
14
M2.5 Screws
Limit Switch

Step 5：Install the Control Board
Controller Board
Controller Board
6
1. Place the M5 T Slot Nut into the Y-axis profile.
2. Align the Control Board with the nut hole, tighten the M5*10 Screw into the hole and adjust the control board position, then
tighten the screw.
23 4 x M5*10 Screw
M5*10 Screw
4 x M5 T Slot Nut
M5 T Slot Nut
27

STEP 6：Install the Spindle
What you will need
Spindle with ER11 Tail (300W/12000RPM)
Spindle Motor
M5 Hex Screws
1. Loosen the M5 Hex Screws of the spindle motor holder.
2. Insert the spindle into the spindle motor holder, tighten the M5 Hex Screws, adjust the spindle height so it sits about centered in
the holder, and then tighten the screws.

16
Completed View

Tips
Clamps Installation View
For good measure, lubricate the lead screws and
guide rails for each axis. This will reduce running
noise and extends the lifespan of your CNC.

Z-axis Motor
USB Interface
Reset
Y1-axis Motor Y2-axis Motor X-axis Motor -Spindle+ -Power Supply+
Emergency Stop
Power Switch
Limit Switch
Offline Controller
5V Out Z-Probe
18

1. Connect the Limit Switches: Plug the X, Y, Z limit switch cable into X-, Y-, Z- port of the control board. There is a spare Z-limit switch
for replacement.
X-axis limit Y-axis limit Z-axis limit
19