Emotion Tech mDelta User manual

Version 1.2

Introduction - Printed parts 2
Introduction
Designers :
Hugo Flye hugo@emotion-tech.com
Thomas Batigne Thomas@emotion-tech.com
Antony Soury Antony@emotion-tech.com
Photographic credits :
Pictures and 3D representations made by
eMotion Tech http://www.emotion-tech.com
Picture director: Antony Soury
Authors:
eMotion Tech –http://www.Reprap-France.com
Antony Soury Antony@emotion-tech.com
Hugo Flye hugo@emotion-tech.com
Thomas Batigne Thomas@emotion-tech.com
Sources :
http://reprap.org/wiki/RepRap
http://www.repetier.com/
License :
µDelta: CC BY-NC-SA 4.0
This document: CC BY-NC-SA 4.0
http://creativecommons.org/licenses/by-nc-sa/4.0/
Update:
Last update : 25/07/2014
Links:
Reprap community: http://reprap.org/wiki/RepRap
Repetier-Host: http://www.repetier.com/
3D models database: http://www.thingiverse.com/

- Printed parts 3
Introduction........................................................................................................................................................2
µDelta introduction ............................................................................................................................................5
Safety instructions..............................................................................................................................................7
Assembly.............................................................................................................................................................8
Bill of materials...................................................................................................................................................9
A. Printed parts ..........................................................................................................................................9
B. Acrylic parts ...........................................................................................................................................9
1. Tensioner.................................................................................................................................... 9
2. Slider........................................................................................................................................... 9
3. Motor holder .............................................................................................................................. 9
4. Extruder...................................................................................................................................... 9
C. Smooth rods and connecting rods.......................................................................................................10
D. Mechanical parts .................................................................................................................................10
A. Screws, nuts and washers....................................................................................................................10
B. Electronics............................................................................................................................................11
C. Additional parts ...................................................................................................................................11
D. Hexagon kit ..........................................................................................................................................13
A. Options ................................................................................................................................................13
Tools .................................................................................................................................................................14
Mechanical assembly .......................................................................................................................................15
A. Bottom assembly .................................................................................................................................15
1. Inferior frame ........................................................................................................................... 15
2. Tensioner.................................................................................................................................. 16
3. Sliders ....................................................................................................................................... 21
B. Top assembly .......................................................................................................................................24
1. Motor holder assembly ............................................................................................................ 24
2. Superior frame fixation ............................................................................................................ 32
3. Extruder assembly .................................................................................................................... 34
C. Belt positioning....................................................................................................................................37
Core41
A. Core assembly......................................................................................................................................41
B. LED (optional) ......................................................................................................................................49
C. Connecting rods positioning................................................................................................................50
Finishing............................................................................................................................................................52
Electronics assembly ........................................................................................................................................57
A. Teensylu...............................................................................................................................................57
B. Connections .........................................................................................................................................58
4. Stepsticks.................................................................................................................................. 59

- Printed parts 4
5. Endstops ................................................................................................................................... 60
6. Motors...................................................................................................................................... 61
7. Cartridge heater. ...................................................................................................................... 62
8. Thermistor................................................................................................................................ 62
9. Fans .......................................................................................................................................... 62
10.USB and power supply.............................................................................................................. 63
Annex 1: Spool holder ......................................................................................................................................64
A. Assembly..............................................................................................................................................64
B. Connections .........................................................................................................................................66

µDelta introduction - Printed parts 5
µDelta introduction
µDelta is developed by eMotion Tech. This new 3D printer is easy to assemble and to operate without loss of
performances.
Data sheet:
DATAS
Printing surface Ø110 x 190mm
Layer height [0,1 - 0,35]
Electronic type Teensylu + 4 Stepsticks (integrated firmware)
Motors NEMA 17
Belt Type GT2
Extrusion Head Hexagon 0.4
Dimensions : Height 440mm Width 250mm Depth 250mm
Nominal printing speed 70mm/s
Max speed 200mm/s
Nominal speed 130mm/s
Average precision 100 microns
Average precision (Z) 50 microns
Operating system Windows™ XP, Windows™ Vista, Windows™ 7+, Ubuntu 12+
Consumable PLA 1.75mm
Provided with Repetier preset for µDelta
Connectivity USB
Power supply provided yes, 12V 120W
STRUCTURE
Laser cut Acrylic 5mm
Extruder core printed in ABS with 0.2mm layer height
Smooth rod 8mm
Manufactured Plate plywood 12mm

µDelta introduction - Printed parts 6
ERGONOMY
Easy to mount: A 3D printer kit with an intuitive assembly
Simple electronic, no soldering
Easy wiring and assembly
Belt adjustment with ergonomic belt tensioners
Easy to calibrate: A simplified software
Fully software calibration
Pre-configured open-source software (no firmware upload required, Repetier Host and Slic3r pre-
configured)
Easy to maintain
Quick height adjustment with the software
OPTIMISATION AND UPGRADE
You can improve the µDelta by adding the following option (soon available on eMotion Tech website):
Spool holder with fan
LCD screen controller to print without computer
Lighting with circular LED
Heated bed

Safety instructions - Printed parts 7
Safety instructions
General safety instructions
ALWAYS HAVE ADULT SUPERVISON WHEN USING THE PRINTER.
The nozzle can reach 270°C, TO AVOID BURNING, DO NOT TOUCH THE NOZZLE WHILE THE PRINTER IS
WORKING.
KEEP THE PRINTER AWAY FROM CHILDREN AND ANIMALS.
OPERATE IN A VENTILATED ROOM. Plastic fumes effects are not known. In case of use in a closed room we
recommend the use of an extractor fan.
The addition of protections is your responsibility. Safety can be improved by:
An emergency stop button
Housing protection
Smoke detector
CE marking
µDelta is a 3D printer kit. It includes all the parts you need for assembling but does not include additional
protections.
Electrical safety.
The power supply provided is labelled CE. The Power supply is protected against short-circuit and do not need
any modifications. The µDelta operate at voltage of 12V and is not concerned by the low voltage directive.
Further information
Information above are not exhaustive.
We used sources of information we consider as reliable. However, we cannot guarantee that all these
information are true and complete.
We assume no liability for loses, injuries or damages due to assembly, transporting, storage, use, assembly,
transporting or removal of the product.

- Printed parts 8
Assembly

Bill of materials - Printed parts 9
Bill of materials
A. Printed parts
1x Core
12x rod clamp
1x filament guide
B. Acrylic parts
Acrylic parts can be covered with protection and it may remain pieces of plastic. Remove it before use
We provide additional parts.
1. Tensioner
2. Slider
6x eM 1
6x eM 2
6x eM 3
6x eM 4
6x eM 5
3. Motor holder
4. Extruder
3x eM 7
6x eM 6
2x eM 8
1x eM 9
1x eM 10
2x eM 11
1x eM 12
1x eM 13

Bill of materials - Smooth rods and connecting rods 10
C. Smooth rods and
connecting rods
D. Mechanical parts
6x Ø8x400mm smooth rod
9x Linear bearing
1x Spring
6x Connecting rod
3x 624 ball bearing
1x 604 ball bearing
1x drive wheel
3x GT2 Belt
3x GT2 Pulley
A. Screws, nuts and washers
6x M3x10mm screw
14x M3x20mm screw
20x M3x25mm screw
15x M3x30mm screw
11x M3x50mm screw
1x M4x50mm screw
4x M4x25mm screw
6x M2.5x16mm screw
3x Wood screw
60xM3 nut
4x M3 wing nut
8x M4 nut
6x M2.5 nut
76x Ø3mm washer
8x Ø4mm small washer
4x Ø4mm big washer
1x M4 Nylstop nut
8x M3 grub screw

Bill of materials - Electronics 11
B. Electronics
1x Teensylu
4x Nema 17 motor
3x endstop
2x Fan 3x3
4x stepstick
1x Power supply
C. Additional parts
1x inferior frame
1x superior frame
1x Print bed
1x Ø4xM6mm pneufit
1x Ø4x 1/8 ”pneufit
1x braided sleeve
1x PTFE tube
30x Zip tie
3x pad
We provide more Screws nuts and washer than necessary.

Bill of materials - Additional parts 12
1x adhesive tape

Bill of materials - Hexagon kit 13
D. Hexagon kit
1x Hexagon hot end
1x Thermistor
1x cartridge heater
1x Hex key 3
1x Wrench 4.5
A. Options
Parts of the following section are not included in the basic µDelta kit. You can find
them on eMotion Tech website.
1x Spool holder frame
3x Chock
1x 6x6 fan
8x Spool holder clamp
4x Ø8mm rod
4x 608 ball bearing
16x M3x20 or M3x25 screw
16x M3 nut
1x LED

Tools - Options 14
Tools
Mallet
Slot screw driver
Philips screw driver
ceramic screwdriver
Wrench 5,5 and 7
Wrench 4,5(provided)
Hex key (provided)
Long nose pliers
Cutting pliers
utility knife
Meter

Mechanical assembly - Bottom assembly 15
Mechanical assembly
A. Bottom assembly
1. Inferior frame
1x Inferior frame
6x Ø8x400mm smooth rod
1x Print bed
3x Wood screw
Wood screw (x3)
Use a mallet to insert completely the
rod without exceeding the plate.
Smooth rods must be normal to the
inferior frame
Big hole downward
Small hole upward

Mechanical assembly - Bottom assembly 16
2. Tensioner
6x eM1
6x eM2
3x 624 ball bearing
3x M3x50 screw
3x M4x25 screw
3x Ø3mm washer
3x Ø4mm big washer
6x Ø4mm small washer
3x M3 nut
6x M4 nut
Repeat this operation for each corners
M3 nut
Tighten against the frame
Ø3 washer
M3x50 screw

Mechanical assembly - Bottom assembly 17
Acrylic parts can be covered with protection and it may remain pieces of plastic. Remove it before use
Inside
Outside
eM1 « outside »
M4x25 screw
Ø4 small washer (x2)
M4 nut
Ø4 big washer
624 ball bearing
eM 2
eM 2
eM 1 « outside »
eM 2 « bottom»

Mechanical assembly - Bottom assembly 18
Nut at the end of the screw
eM 1 « inside »
eM 2 « top »

Mechanical assembly - Bottom assembly 19
Tighten nuts moderately to avoid breaking Acrylic parts
M4 nut
Tighten moderately
You can add a drop of glue to
maintain the nut on position
Tighten against the washer

Mechanical assembly - Bottom assembly 20
Repeat the operation for the others tensioners.
Inside
Outside
Do not put the screw
trough the slider
Table of contents
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