SainSmart Genmitsu 3018-MX3 User manual

USER MANUAL
Genmitsu CNC Router 3018-MX3
V1.1 Jun 2020

Contents
Part 1: Package List
Part 2: Mechanical installation
Part 3: 3018 MX3 Control Card Introduction
Part 4: Installation the Mach3
Part 5: Engraving process example
Part 6: How to release the limit switch trigger
Part 7: Optional Upgrades (Not included)
02
10
35
39
43
47
48
01
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Part 1: Package List
NO. TYPE NAME SIZE/PARAMETERS PICTURES QTY. NO.
Mechanical
Part
Aluminum
Workbench
20 x 40 x 290mm MX3-11
Aluminum
Profile
20 x 20 x 360mm
2
Guide Rail
(X Axis)
Guide Rail
(Y Axis)
Lead Screw
(X Axis)
Lead Screw
(Y Axis)
180 x 300mm
Ø10 x 360mm
Ø10 x 290mm
365mm Lead: 4mm
297mm Lead: 4mm
2
1
2
2
1
1
MX3-2
MX3-3
MX3-4
MX3-5
MX3-6
MX3-7
2
3
4
5
6
7
02

NO. TYPE NAME SIZE/PARAMETERS PICTURES QTY. NO.
Mechanical
Part
90 x 220mm
90 x 220mm
MX3-88
Phenolic
resin plate-R
(X Axis)
1
1
1
1
1
MX3-9
MX3-10
MX3-11
MX3-12
9
10
11
12
Phenolic
resin plate-L
(X Axis)
Phenolic
resin plate-F
(Y Axis)
Phenolic
resin plate-B
(Y Axis)
X-Z Axis
Assembly
46 x 360mm
46 x 360mm
03

NO. TYPE NAME SIZE/PARAMETERS PICTURES QTY. NO.
Mechanical
Part
NEMA17 34mm
775-ER11
MX3-1313 42 Stepper
motor 2
2
2
2
2
4
1
1
1
MX3-14
MX3-15
MX3-16
MX3-17
MX3-18
MX3-19
MX3-20
MX3-21
14
15
16
17
18
19
20
21
Spindle
ER11 Collet ER11-3.175
Coupling 5mm-8mm
T-Copper Nut
Spring 12 x 30 mm
Bearing mount
(Y Axis)
Nut mount
(Y Axis)
Acrylic
protection
board
04

NO. TYPE NAME SIZE/PARAMETERS PICTURES QTY. NO.
Electrical
Part
NEMA17 34mm MX3-2222 Control Board
MC3D3 1
1
1
1
1
1
4
MX3-23
MX3-24
MX3-25
MX3-26
MX3-27
MX3-28
23
24
25
26
27
28
Insulated
Board
USB cable A-B
24V power
supply 24V 5A
Power cable
(US) 1.2M
Power cable
(EU) 1.2M
Limit Switch
05

NO. TYPE NAME SIZE/PARAMETERS PICTURES QTY. NO.
Mechanical
Part
X LIM+ 15cm
X LIM- 53cm
Y LIM+ 30cm
Y LIM- 60cm
Z LIM+ 34cm
Z LIM- 40cm
X Axis 17cm
Y Axis 52cm
Z Axis 28cm
MX3-29
MX3-30
MX3-31
MX3-32
MX3-33
MX3-34
MX3-35
MX3-36
MX3-37
29
30
31
32
33
34
35
36
37
Limit Switch
Connecting
wire
1
1
1
1
1
1
1
1
1
1 MX3-38
Stepper motor
Connecting
wire
Spindle motor
wire Red/black 35cm38
06

NO. TYPE NAME SIZE/PARAMETERS PICTURES QTY. NO.
Tools/
accessories
Probe Tool
MX3-3939 Work fixture
Engraving
Knife
Allen wrench
Screwdriver
Cable tie 3 x 80mm
1
1
5
2
1
30
MX3-40
MX3-41
MX3-42
MX3-43
MX3-44
MX3-45
40
42
41
43
44
45
NJ3.2001 10
2.0mm, 2.5mm, 3.0mm,
4.0mm, 5.0mm
07
Open end
wrench
17 x 108mm
13 x 87mm

NO. TYPE NAME SIZE/PARAMETERS PICTURES QTY. NO.
Tools/
accessories
Sealing strip
(Y Axis)
MX3-4646 Wire holder
Sealing strip
(X Axis)
Nylon braided
tube
Memory card
with reader
Manual book
1
10
1
1
1
1
MX3-47
MX3-48
MX3-49
MX3-50
MX3-51
47
49
48
50
51
270mm
200mm
340mm
08

NO. TYPE NAME SIZE/PARAMETERS PICTURES QTY. NO.
Screw/Nut
M3 x 14mm
M5 x 10mm
M5 x 14mm
M5 x 16mm
M5 x 20mm
M6 x 16mm
M3 x 20mm
M3 x 6mm
MX3-52
MX3-53
MX3-54
MX3-55
MX3-56
MX3-57
MX3-58
MX3-59
52
53
54
55
56
57
58
59
M3 bolt 8
8
4
20
12
10
2
16
10
4
2
24
MX3-61
MX3-62
MX3-63
M5 bolt
M6 bolt
Nut 30 x M6
20M5
30M661
62
63
M3 screw
Nut 20 x M560 MX3-60
ABS spacer
ABS spacer
11mm x M5 x 5mm
7mm x M3.2 x 10mm
09

Part 2: Mechanical installation
NAME QTY.
Step 1: Stepper motor Assembly Installation
NO.
10
Operation
Steps
Prepare
materials
BEFORE
AFTER
CODE
Tools
Check
Remind
42 Stepper Motor
Coupling
MX3-13
MX3-16
2
22
Allen wrench (2mm)
Load the hole of φ5mm part of the coupling, fix into the
Axis of motor, must lock the screws on the flat of the
Axis and then tighten it.
When the motor running, check the coupling smooth
running.
Keep in the distance 1.4mm between the coupling and
the surface of motor.
1
1
1
1
1
1.4mm
flat
MX3-13 x 2Pcs
MX3-16 x 2Pcs

11
NAME QTY.
Step 2: Install Phenolic resin plate-R (X Axis)
NO.
Operation
Steps
Prepare
materials
BEFORE
AFTER
CODE
Tools
Check
Remind
Phenolic resin plate-R (X Axis)
Stepper motor Assembly (from Step1)
Bolt M3 x 14mm
Limit switch
ABS spacer
Wire holder
M3 ScrewM3 x 20mm
M3 ScrewM3 x 6mm
MX3-8
MX3-52
MX3-28
MX3-63
MX3-46
MX3-58
MX3-59
1
1
4
1
2
4
2
4
Allen wrench (2.5mm)
Screwdriver
It is recommended to install the motor first and then fix
the limit switch for easy operation.
Make sure the right direction of the stepper motor and
limit switch.
1
2
3
4
5
6
7
8
1
2
1
1
1
MX3-58 x 2Pcs
MX3-28
MX3-63
x 2Pcs
MX3-52
x 4Pcs
MX3-13
MX3-59 x 4Pcs
MX3-46 x 4Pcs
MX3-8
The wire holders not visible in the picture are located on
the back of the phenolic resin plate R, right opposite the
other two wire holders.

12
NAME QTY.
Step 3: Install Phenolic resin plate-L (X Axis)
NO.
Operation
Steps
Prepare
materials
BEFORE
AFTER
CODE
Tools
Check
Remind
Phenolic resin plate-L (X Axis)
M3 ScrewM3 x 6mm
MX3-9
MX3-28
MX3-59
1
1
3
2
2
Screwdriver
Make sure the right direction of the limit switch.
1
1
1
Limit switch
MX3-59 x 2Pcs
MX3-28
MX3-9

13
NAME QTY.
Step 4: Install Phenolic resin plate-B/F (Y Axis)
NO.
Operation
Steps
Prepare
materials
BEFORE
AFTER
CODE
Tools
Check
Remind
Phenolic resin plate-B (Y Axis)
Phenolic resin plate-F (Y Axis)
M3 Screw M3 x 6mm
Limit switch
Wire holder
MX3-11
MX3-10
MX3-59
MX3-28
MX3-46
1
1
10
2
6
Screwdriver
Make sure the right direction of the limit switch.
1
2
3
4
5
1
1
MX3-11
MX3-28 x 2Pcs
MX3-59 x 10Pcs
MX3-46 x 6Pcs MX3-10

14
NAME QTY.
Step 5: Base Installation
NO.
Operation
Steps
Prepare
materials
BEFORE
AFTER
CODE
Tools
Check
Remind
Aluminum Profile 20 x 40
Phenolic resin plate-F (from Step4)
Phenolic resin plate-B (from Step4)
M5 Bolt M5 x 20mm
MX3-1
MX3-56
2
1
1
8
Allen wrench (4mm)
Tighten the bolts by hand for 20%, remain 80% space
for install bearing mounts later.
1
2
3
4
1
1
MX3-1 x 2Pcs
MX3-11
MX3-10
MX3-56 x 8Pcs

15
NAME QTY.
Step 6: Install (Y Axis) Bearing mount (Y Axis)
NO.
Operation
Steps
Prepare
materials
BEFORE
AFTER
CODE
Tools
Check
Remind
Guide Rail (Y Axis)
Bearing mount (Y Axis)
Base (from Step5)
M5 Bolt M5 x 16mm
MX3-5
MX3-19
MX3-56
2
4
1
4
Allen wrench (4mm)
When load the Bearing mounts to the Guide Rail, make
sure the holes side in right position (refer to the picture)
Use allen wrench to tighten all the Bolts for 80%, remain
20% space for adjust later.
1
2
3
4
1
1
2
MX3-19 x 4Pcs
MX3-5 x 2Pcs
MX3-55 x 4Pcs

16
NAME QTY.
Step 7: Install Lead Screw Assembly (Y Axis)
NO.
Operation
Steps
Prepare
materials
BEFORE
AFTER
CODE
Tools
Lead Screw 297mm (Y Axis)
T-Copper Nut
Spring
Nut mount (Y Axis)
MX3-7
MX3-17
MX3-18
MX3-20
1
1
1
1
Make the T-Copper rotate to the Lead Screw, pay
attention to the distance between the nut and Lead
Screw for 13mm.
Load the Spring insert to the Nut,then insert them in to
the Nut mount, finally rotate the Lead Screw in the
middle position.
1
2
3
4
1
2
MX3-18
MX3-17
MX3-7
MX3-20
13mm

17
NAME QTY.
Step 8: Running part (Y Axis) Installation
NO.
Operation
Steps
Prepare
materials
BEFORE
AFTER
CODE
Tools
Check
Remind
Stepper motor Assembly (from Step1)
M3 Bolt M3 x 14mm
Base (from Step6)
Lead Screw assembly (from Step7)
MX3-52
1
4
1
1
Allen wrench (2mm, 2.5mm, 4mm)
Put the Lead Screw assembly into The Base, insert the end of the
Lead screw to the hole of Phenolic resin plate-B, put another end
of the screw insert into the bearing by force, which loacted in the
middle of the Phenolic resin plate-F.
At the same time,make the steeper motor assembly install on the
Phenolic resin plate-B,insert the lead screw to the coupling of motor
assembly. tighten the M3 Bolts of motor,don't forget the small screw
in the coupling.
When you finish the steps here, you should to check the Horizontal
and Vertical, if you have not any professional tools, you can stand
the base, observe the Bearing mount fall dow smooth, if not that
you have to check the vertical of the Guide Rail.
Finish check and fix the base, you can tighten all the bolts
(remember that we remain 20% space before)
1
2
3
4
1
2
1
1
1
MX3-13
MX3-52 x 4Pcs
Phenolic
resin plate-B
Phenolic
resin plate-F

18
NAME QTY.
Step 9: Aluminum Nuts Installation
NO.
Operation
Steps
Prepare
materials
BEFORE
AFTER
CODE
Tools
Check
Remind
Nut 30 x M6
M6 Bolt M6 x 16mm
MX3-61
MX3-57
10
210
Using the Allen wrench turn the screw just
20% into the nut.
The beveled side of the Nut always points away from
the screw. Do not tighten the screw firmly as the next
step is to mount the aluminum workbench.
1
1
1
MX3-61
x 10Pcs
MX3-57
x 10Pcs
Allen wrench (5mm)

19
NAME QTY.
Step 10: Aluminum Workbench Installation
NO.
Operation
Steps
Prepare
materials
BEFORE
AFTER
CODE
Tools
Check
Remind
Aluminum Workbench
Base (from Step 9)
1
1
MX3-3
Allen wrench (5mm) & Open end wrenchs
Turn over the Base in the side of the Aluminum
workbench, move the base and make sure the nuts
insert into the three channels of the workbench.
Move the workbench in the middle of the base, keep the
Workbench from the left and right side for 10mm, Softly
clamp wrenches through Phenolic plate-F to a table.
Slowly rotate screw until plate just firmly contacts
wrenches. Tighten all the M6 bolts then remove clamps.
This way for the workbench will be completely square
with the spindle later.
2
1
1
2
MX3-3
1
10mm 10mm