Cool Toolhead for Qidi Q2 (v1.3.0)

Introduction

This is combination/replacement of my two recently added models. And the last attempt to fix clogging while switching petg/pla with the closed door/top glass.

• Extruder Coling 4010 Fan for Qidi Q2 (cheap "Polar Cooler")

• Better fan duct for Qidi Q2

What's new

• 3010/2510 fan for extruder

• 4010/3010/2510 gears fan replaced (this fan is also optional)

• optimized gears fan holder (no cables to the front cover)

• optimized fan duct (no supports)

• complete design

Changelog

v1.3.0

• New holder for 2510 extruder fan

• Support for 4010 gears fan

• More Front Cover variants

v1.2.0

• More Front Cover variants (eg with original 2510 hotend fan)

• More distance between cover and tube 

• Models rename: G - Gears fan size, H - Hotend fan size

v1.1.0

Hotend Fan Holder (3010)

• Airflow changed to go between silicone sock and radiator

• More space for hotend cable

• No support needed

Front Cover

• Text style changed.

BOM

• 2 pcs * 4010/3010/2510 24v high quality&flow fan (one with XH2.54 2pin, second JST 1.25mm 4pin)

• 6 pcs * M2.6x10mm flat head self-tapping screws with hex socket

• 4 pcs * Magnet ∅3 mm and 2mm height (I have only these) (optional)

• 1 pcs * JST 1.25mm 4pin extension cable of 20cm length (only if gears fan cable will be installed and too short)

• a file to make parts (pins) tight fit

• original head (most of the screws will be reused)

Assembling

Model Cooler

1. Insert 5015 fan into "Cooler Base"

2. Install "Cooler Duct" and screw it with M2.6x10mm screws

3. Use 2 original screws to mount the assembly to the plate (one screw from the back side)

4. Connect fan to the board

Hotend Fan

1. Disassemble default 2510 fan

2. Use two original screws to mount new 3010 fan into "Hotend Fan Holder (3010)"

3. Install "Hotend Fan Holder (3010)" and screw it with two original screws and last M2.6x10mm screw

4. Connect fan to the board

Gears Fan

1. Insert default 2510 fan into "Gears Fan Holder (2510)"

2. Insert two original screws into the printed inserts/nuts, but do not screw them completely

3. Mount "Gears Fan Holder (2510)" to the feeder

4. Connect fan to the board with the extension cable

Back Cover

1. Mount it with the original screws

2. Use the file if the pin is too tight

Front Cover

1. Push the knife button

2. Mount it Forward and then Down (fit should be tight, in this case, magnets are not needed)

3. Use the file if the pin is too tight

Configuration

I'm using the following configuration (both fans are used as the hotend fans):

[heater_fan hotend_fan]
pin:THR:PB10 #FAN2 pins
max_power: 1.0
shutdown_speed:0
cycle_time: 0.010
hardware_pwm: False
kick_start_time: 0.100
heater: extruder
heater_temp: 50.0
fan_speed: 1.0
off_below: 0
#热端冷却风扇
[heater_fan hotend_gears_fan]
pin:THR:PA11
max_power: 1.0
shutdown_speed:1.0
kick_start_time: 0.5
heater: extruder
heater_temp: 50.0
fan_speed: 1.0
off_below: 0
tachometer_pin:THR:PA12
tachometer_ppr: 2
tachometer_poll_interval: 0.0015