CTC Union DIY 3D Installation guide

1

Installation Instruction of

CTC DIY 3D Printer

Focus on high-end science and technology,focus on 3D printing

Zhuhai CTC Electronics Co.,Ltd.

www.ctcprinter.com

2

Introduction

This DIY 3D printer can be used under different voltages according to different regions,

please confirm the voltage of your region before using this printer (110V or 220V)

Printer maintenance conducted by customer is required after it is used for a period of time.

Frequent correct maintenance can be extend the using lifetime of the printer.

1.Safety Issues

In order to obtain the best 3D printing effect, we do not recommend you to use consumables

of other brand other than the exclusive consumables provided by CTC company. The

maintenance and repairs caused by using consumables not provided by Zhuhai CTC Electronic

Co.,Ltd is not valid for the product warranty of our company.

When it is printing or has just finished printing, the temperature of the module, nozzle,print

bed or the other parts within the printer body is very high, please do not touch these parts

with your hand.

When the printer is power on, it is forbidden to touch the power supply, power port cable, or

motherboard cable with hand or conductive articles.

It is forbidden to print directly on the heating bed. A piece of Borosilicate glass plate is

required to be put on the bed under this condition.

2. Materials and Parts

Note: All parts are listed in appendix, please refer to List of Materials for CTC DIY 3D

Printer as attached.

2.1 Assembling of Frames

3

Frame parts are as above,use

○

3

M3 washer,

○

4

nut and

○

6

M3 x16mm screws to assemble

each board for assembling a main framework. The installation direction must be comply with

the following figures (Figure 1 to Figure 5). The connection of each board and assemblies are

shown in Figure as below:

No.

Item Name

Specification

Quantity

Picture

A1

XZ Frame

EUY-MO1

1

A2 &

A3

Left side &

Right side

frame

A2-EUY-MO2(Left)

A3-EUY-MO3(Right)

1

4

2.2 Assembling of Fan

Accessories:

○

23

Fan x1;

○

5

M3x30mm screws x4;

○

3

M3 washer x 4;

○

4

nut x4;

○

9

Fan

support column x 4

Install cooling fan to the back of the left cooling outlet of A1 board with

○

5

M3 x 30mm

screws,

○

3

M3 washers and

○

4

nuts. The fan label should face to the back of A1 board. It is

required to install 4pcs of

○

9

Fan support column. Please note the installation direction as shown in

Figure as below.

2.3 Assembling of Power Supply

Accessories:

○

25

Power supply x1;

○

7

M3x8mm screw x3;

○

20

3D power switch x 1;

○

6 M3 x16mm screw x2;

○

5

M3x30mm screws x4;

○

4

nut x4

5

Fix the

○

25

power supply on the A2 board on the right sight of the frame with 3pcs

○

7

M3x8mm screws, then fix

○

20

3D power switch onto A2 board by using

○

6 M3

x16mm screws,

○

4

nuts and

○

3

M3 washers. The connection of 3D power switch and power

supply cables are shown in the following figures.

2.4 Assembling of Motherboard

Accessories:

○

30

Motherboard ;

○

7

M3x8mm screw x 4;

○

11

Motherboard Support Column

x 4

As shown in the figures below, insert 4 pcs support columns into the A3 board on

the left side of the framework with 4pcs

○

7

M3x8mm screws. The follow Figure

8.3, press

○

30

motherboard with its holes in alignment with the 4 columns. Pay

6

attention to the installation direction.

The main Structure’s Installation and Connections of

Power cable ports

The major effect of main structure is shown in Figure 9 and Figure 10. The cable

ports of motherboard and their functions are shown in Figure 11. In order to get

the right installation, it is suggested to see the finished product display pictures

to get general idea of the overall fitting effects and to identify the installation

directions and positions.

7

Figure 9

Figure 10

8

Figure 11

(1.power source of motherboard; 2. heating bed; 3. Left nozzle power (spare) ; 4.Right

nozzle power; 5. Left nozzle driver(spare); 6. Right nozzle driver ;7.Z shaft driver; 8. Y

shaft driver; 9.X shaft driver; 10.motor power of Left nozzle(spare); 11. motor power

of Right nozzle; 12. motor power of Z shaft; 13. motor power of Y shaft; 14. motor

power of X shaft; 15. Cooling fan of nozzle; 16.Cooling fan of Power source; 17. Z

shaft stopper; 18. Y shaft stopper; 19. X shaft stopper; 20. LED port. 21.SD card

ports;22.temperature sensor socket of Right nozzle; 23.temperature sensor socket of

Left nozzle 24.temperature sensor of heating bed(spare); 25.function reset key of

motherboard )

1. Collect all assemblies before installation: A4, A5, Display screen, Q & P

assembly as shown in the following Figures:

9

2. Find out

○

21

Dupont cable, use it to connect the motherboard on A2 and the

power supply on A3. One end of the power cable connection is shown in Figure as

below and the other end is connected to port 1 on the motherboard.

10

3. 3.Installation of P assembly - Printing bed

Accessories:

○

6

M3 x 16mm screws x6 ;

○

4

nut x6 ;

○

22

Power cable x 5 (3 short +2

long)

Align the holes of P assembly with the holes of previous installed main structure.

Then fix the two and install P assembly to the main structure as shown in figure 18.

Then follow figure 19 to install the bottom of P assembly to the A1 assembly.

4. Installation of

○

31

A4 assembly

Accessories:

○

6

M3 x 16mm screws x3 ;

○

4

nut x3 ;

○

3

M3 Washer x3

Align the holes of A4 assembly to the A1 frame, fix it to the left bottom of the A1

11

assembly. Then connect the motor to port 15 on motherboard with short

○

22

Power

cables, and connect the limit stopper cable to port 16 on motherboard.

5. Installation of

○

32

A5 assembly

Accessories:

○

6

M3 x 16mm screws x3 ;

○

4

nut x3 ;

○

3

M3 Washer x3

Align the holes of A5 assembly to the A1 frame and install A5 assembly to the

right bottom of the A1 assembly. Then connect the motor to port 11 on

motherboard with the long

○

22

Power cables.

6. Installation of display screen

Accessories:

○

6

M3 x 16mm screws x2;

○

4

nut x2 ;

○

3

M3 Washer x2 ;

○

13

display

screen cable

Align the holes of the display screen and A1 assembly to fix the two together. The

LED display screen is outward as shown in Figure below. Connect the display

screen to port 19 on the motherboard with

○

13

display screen cable. Port 19 on

motherboard connect to EXP1 port on display screen, port 20 on motherboard

connect to EXP2 port on display screen.

12

7. Installation of Q assembly

Note: Because each size of assembly may bear some deviation on production, in

order to obtain good installation and functions, it is suggested to pay attention to

the installation of the Q assembly. If necessary, please adjust the right side of Q

assembly to left or to right to ensure the normal functions, and adjust the length

of the belt according to actual gap.

Before assembly, the first Z-axis screw M5 ends connect flexible coupling 30, is

prohibited after blowing hot and then install the flexible coupling to the M5

terminal end of the flexible coupling insert M5 depth of about 10mm. As shown

below:

13

(1) Accessories:

○

38

Z top mount x 2;

○

6

M3 x 16mm screws x4;

○

4

nut x4 ;

○

3

M3

Washer x4

Align holes of the Z top mount with A1\A2 assemblies and with A1\A3 assemblies,

fix them with screws as Figure shown below:

(2) Accessories:

○

1

S

mooth rod x2;

○

8

Screw locking ring x2

Get the guide rods

○

1

go through the hole of

○

38

Z top mount,

○

8

Screw locking

ring and the outside bearing of the P assembly from up to down in both sides.

14

Adjust the distance between left and right side of P assembly, move

○

8

Screw

locking ring to the joint of guide rod

○

1

and

○

38

Z top mount and fix it.

(3) Accessories:

○

2

Threaded rod x2

Get the

○

2

Threaded rod go through the hole of

○

38

Z top mount from up to down in

both sides, rotating into the internal hole of P assembly, and insert to the shaft

couplings above the motors of A4 assembly and A5 assembly. Adjust the distance

between the two sides of P assembly to ensure the correct installation. Adjust the

horizontal distance between the outer ends of the two

○

2

Threaded rods as

320mm. Secure the tightening screws of shaft coupling on the upside of the

motors.

15

(4) Connect the Stopper cable (red) of Q assembly to port 18 on motherboard.

8. Installation of Nozzle

Accessories:

○

6

M3 x 16mm screws x2;

○

4

nut x2 ;

○

3

M3 Washer x2

First unscrew the cooling fan on the nozzle, dismantle the nozzle to L1,L2, L3 as

three parts. Install L1 part to the movable part of P assembly with

○

6

M3 x 16mm

screws,

○

4

nut and

○

3

M3 Washer. Please note that get

○

6

screw go through L1

first and then through the movable part of P assembly. Then install the nozzle and

fan in the reverse steps as it was dismantled. Connect motor of the nozzle to port

10 on the motherboard with long power cable

○

22

, and connect the fan cable to

port 14 on motherboard. Connect power cable of nozzle to port 3 on motherboard.

Connect temperature sensor of nozzle to port 21 on motherboard.

16

Debugging and Notes

1. Make sure the temperature sensor cable of the nozzle is in the correct position,

as shown in Figure as below:

17

2. Make sure the connection of cables are in normal state. Then debug if position

function of the limit stopper is normal, in particular pay attention to the

debugging of Z-axis’ limit stopper. Click Function Key to choose Prepare, then

choose Auto home and click confirm to check each stopper. Adjust the nut of the

long screw on the left of Q assembly, adjust the lowest position of Z-axis moves

down to ensure the gap between the nozzle and the printing bed.

3. Cut off the power and put the square glass with masking tape on top of the red

heating bed, fix it with the 4 Dovetail clamps, please note the position of the

dovetail clamps should not affect the functions of the nozzle and among others.

Move the nozzle to check if the printing bed is parallel with the nozzle, and keep a

proper gap. Then power on, check the original position of the nozzle and the gap

between nozzle and the printing bed, make sure there is proper gap.

18

4.Check if the threaded rod of the Z-axis is deformed, make sure the gap between

axis couplings of motors of A4 & A5 assemblies and the bed is 3mm.Try to keep

the shaft line of Z-axis threaded rod and the output shaft of motor in the same

straight line. Keep the horizontal distance of the upper and bottom sides of Z-axis

threaded rod is equal. Adjust these distance and gaps until no noise occur when

motor is moving on working.

5. The bundling of cables should not affect the moving space and functions of

each parts. Adjust the heating temperature of the printing head according to

practical conditions.

6.The sounds of rotational motors and cooling fans are normal.

7.Heating tube damage(Suitable for all FDM 3D printers): When stop using the

printer or need to clean the nozzle, use spanner to clamp the square aluminum

block and unscrewing the nozzle. Make sure the square aluminum block can not

move when unscrewing the nozzle, otherwise the heating tube would be damage.

8. Adjustment of belt: Cut the black nylon tie, readjust the size of the belt, fix it,

then secure it with nylon tie.

9. Filament feeding port is the outside one, refer to Figure as below:

19

10. Spool holder with filament installation

20

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CTC Union DIY 3D Installation guide

CTC Union DIY 3D Installation guide

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