Genmitsu 3020-PRO MAX CNC User manual

v1.0 Dec.2021
USER MANUAL
Genmitsu
3020-PRO MAX CNC Router
3020-PRO MAX CNC Fräs- und Graviergerät
Benutzerhandbuch
Contents / Inhalt
English
Deutsch
01 - 27
28 - 55

Welcome
Disclaimer
Specifications
1 – Unboxing
2 – Mechanical Assembly
3 – Wiring
4 – Software & Drivers
CE and Safety Certificates of Compliance
02
03
04
05
10
17
22
56

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 Z Probe 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 Switch
with Cable (60cm)
13
2 x Cable Tie
(14*87*2mm, 17*88*2mm)
17
4 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
2 x M2.5*12 Screw
16 x M5*25 Screw 4 x M5 T Slot Nut
4 x M2.5*10 Screw
24 25
Screws/Other Parts List
27
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: Install the X-Axis/Z-Axis Gantry
Before we begin, place your 3020-PRO MAX CNC Base on a flat and level surface.
Base Assembly
Please align the grantry holes with the nut holes on both sides of the Y axis. Insert the M5*25 Screw, adjust the gantry position and
make sure that the gantry is perpendicular to the platform, then tighten the screws.
M5 x 25 Screw
X-Axis/Z-Axis
Gantry
X-axis/Z-axis Gantry 16 x M5*25 Screw
24
1
2

Step 2: 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 Y axis one, please use the M2.5*12 Screw, for the X axis and Z axis, use the M2.5*10 Screws.
26 4 x M2.5*10 Screw
3 x Limit Switch (60cm)
14
M2.5x12 Screws
Limit Switch
M2.5x10 Screws
11
2 x M2.5*12 Screw
27

Step 3: Install the Emergency Stop Switch
Put the emergency stop switch through the round hole of the vertical plate, install the emergency stop switch spacer on the other side
of the round hole of the vertical plate, and tighten the emergency stop switch nut.
Emergency Stop
Switch Nut
Emergency Stop
Switch Spacer
Emergency Stop Switch
Emergency Stop Switch with Cable (60cm)
13
12

Step 4: 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 Screws into the hole and adjust the control board position, then tighten
the screw.
23 4 x M5*10 Screw 4 x M5 T Slot Nut
M5 T Slot Nut
25
13
M5*10 Screw

14
Step5: 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 screw.

15
Completed View

16
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
Laser
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
17

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.
18
X-axis limit Y-axis limit Z-axis limit

2. Connect the Stepper Motors: Plug the X, Y, Z motor cables into the X- Motor, Y-Motor and Z-Motor port. (There are two ports for
connecting the Y axis motor, one is reserved for a Rotary 4th axis, you can plug into either Y axis port.)
X-axis Motor
19
X-axis Motor Y-axis Motor Z-axis Motor
Y-axis Motor
Z-axis Motor