I3 Heated bed assembly

Assembly instructions

1. Bill of materials
2. The main panel frame assembly
3. Y-axis assembly
4. X-axis assembly
5. Z-axis assembly
6. Connecting X-axiz and Z-axiz
7. Power and LCD assembly
8. Extruder assembly
9. Heated bed assembly
10. power switch and end stops assembly
11. Control Board assembly and wiring
12. Circuit Diagram

Need parts:

• 1×Heated bed mount(23 part)
• 1×Y-axis belt holder(26 part)
• 4×SCS8UU linear bearings
• 1×Belt（650mm)
• 16×M4 * 10 screws
• 4×M3 nut
• 2×M3 * 16 screws
• 2×M3 * 20 screw
• 10×M3 flat gasket
• 4×M3 * 25 countersunk screws
• 4×8 * 6 spring

SCS8UU linear bearings assembly

Loosen the smooth rod fixing plate of Y-axis, out smooth rod 10cm, then put on SCS8UU，at the end reset smooth bar fixing plate, and tighten.

Y-axis belt holder assembly

Step 1

Insert the M3*20 screw,then tighten with M3 nuts.

Step 2

Put the M3 nut into 26 part.

Step 3

Screw toward the hexagonal hole.

Step 4

With the two pieces M3 * 16 screws to tight the plate.

Step 5

This hexagonal hole of the plate on the same side with the Y-axis motor, then tighten the screws with the M4 * 10.

M4*10 screw

Belt assembly

Need parts:

• 4×Ties
• 1×belt 650mm

Step 1

With tie fastened at the 2cm position of belt.

The wheel of the Y-axis motor

Step 2

Install the belt onto the screws. (This screw is the which is the near the Y-axis motor )

Step 3

Loosen the M4 * 30 screws of belt mounting plate, and then the other end of the belt from two single bearing wear to the next step.

Step 4

Tie the other end of the belt with the above manner.

Step 5

After tight , then set in the belt fixing plate screws.

Step 6

You can adjust the tension of the belt use the wrench(3mm).

Heating bed assembly

Need parts:

• 1× Welded heating bed
• 4×M3 * 25 countersunk screws
• 4×M3 lock nut
• 4×8 * 6 spring

Step 1

Place the heated bed, then fixing with M3 * 25 screws and M3 lock nut.(Exposed screw lock nut 2mm to 3mm it is easy to adjust heating bed.)