STEPCRAFT 420 User manual

EasyBuild-
Assembly
Manual
Enclosure for
Desktop CNC /3D Systems
STEPCRAFT 300/ 420
Original assembly manual
date of 01.07.2017

Dear customer,
thank you very much for purchasing our high-quality kit of an enclosure of your Stepcraft
Desktop CNC /3D System. This manual will take you through every step of the assembly.
Please read the entire manual carefully before starting assembly. This way, you obtain an overview of the steps
required which will help you avoid unneccessary mistakes. Please take care to use the the correct parts in the correct
orientation as some parts differ only minimally. Please let a second person assist you in the assembly.
Before beginning the assembly process, please verify that you have all of the required parts in your kit using the list
below. Stepcraft provides video support with certain assembly steps. Simply scan the related QR code with your
smartphone. If you do not have a smartphone, please enter the following URL in your web browser:
www.stepcraft-systems.com/enclosure/xx-xx (replace xx-xx with the number under the QR code).
STEPCRAFT has taken extreme care to ensure the correctness of the information contained in this manual. We accept
no liability for damage in materials or injury to persons caused by assembling the enclosure. You are responsible for the
safe operation of your Stepcraft Desktop CNC /3D System and its accessories.
23
46
8
1
enclosure
front panel
1x
Content of the construction kit (illustrations are not true to scale)
1x
enclosure
rear panel
2x
upper prole
lower prole lateral pane prole
vertical without
handle
lateral pane prole
horizontal
lateral pane prole
horizontal
9
front pane prole
vertical without
handle
front pane prole
vertical without
handle
5
front door prole
bottom/ top
7
lateral pane prole
vertical with
handle
2x 2x 12x
4x 16x 3x
300: 343 mm
420: 413 mm
300: 105 mm
420: 135 mm
300: 341 mm
420: 411 mm 300: 304 mm
420: 374 mm

13
16
15
14
17 18
23 24
1110
front pane prole
vertical with
handle
front pane prole
horizontal
12
rubber seal
(silicone)
connection
prole
(silicone) side pane front pane
8x 2x
1x
base plate base plate partition
25 26
slot nut,
lockable
slot nut, loose slot nut, loose
external
6x 6x
machine
table
pivot pin
front pane
2x
19 20 21
1x
top plate plastic corner
45x
circular brush
1x 4x
1x
1x
22
strip brush
cable outlet
1x 4x 20x
300: 120 mm
420: 165 mm
300: 302 mm
420: 372 mm
300: 4,50 m
420: 5,50 m
300: 0x
420: 2x
300: 311 x 127 mm
420: 381 x 172 mm
300: 225 x 563 mm
420: 315 x 683 mm
300: 244 x 563 mm
420: 334 x 683 mm
300: 373 x 563 mm
420: 463 x 683 mm
300: 350 x 112 mm
420: 420 x 142 mm
(silicone)
black
300: 1,9 m
420: 2 m
orange
300: 0,8 m
420: 0,9 m

37
32 33 34 35 36
ange screw,
M5 x 12 mm
2x 2x6x6x20x
spacer,
M5 x 50 mm
1x
42 43 44 45 46
47 48 49 50 51
38 39 40 41
cam lock screwwooden dowel cam screw
end switch with
cable supply
locking nut,
M5
set screw,
M4 x 5 mm
ange screw,
M6 x 20 mm
emergency switch emergency switch
cable
cable conduit
6/4 mm
hole plug
8 mm
hole plug
36 mm
15 pin Sub-D
cable
grounding cable
set incl. serrated
lock washer
4x
3x 1x
1x
1x
27 28 29 30 31
door handle
spacer
M3 x 10 mm
4x 4x 6x
socket head screw,
M6 x 30 mm
pressure pin
10x
plastic foot
1x
1x 1x
controller board
button head
cap screw,
M3 x 6 mm
wood screw
3,5 x 15 mm
3x
10x
300: 0x
420: 4x
300: 0x
420: 4x
300: 0x
420: 4x
2,60 m
socket head screw,
M5 x 30 mm
300: 0,75 m
420: 0,88 m

Explanation of symbols and details:
Required tools and materials:
- Needle le (supplied) - Spanner 5,5 mm
- Allen wrench 2,0 mm - Spanner 8 mm
- Allen wrench 3,0 mm - Rubber mallet
- Allen wrench 4,0 mm - Crosstip screwdriver
- Allen wrench 5,0 mm - Superglue
1A1
= assembly phase = assembly group = work step
= view of assembly
phase
= required parts for this
work step
= larger detailed view/
pre-assembly of parts
= Tighten the screw.
= Engage the screw, but do not tighten.
= Caution! Work particularly careful.
= Tighten clockwise.
= Remove protection lm and afx self-adhesive part.
= Fasten part with superglue, use sparingly, must not get on bearing or running surface.
= Deburring.
= Apply dish liquid as shown in picture.
!
Differences in the assembly of size 300 and 420:
The illustrations in this assembly manual are exemplary and are based on the enclosure
for size 420.
The assembly group A as well as the work steps 1.1 and 1.2 do not apply with
size 300!
Please pay attention to the different dimensions of the individual parts!
!

1

41
2x
39
2x
1.1

4016
17
1x
A
4x1x
! Please produce 2x !
Base frame
Assembly group A and work steps 1.1 and 1.2 only
apply for size 420!

1.2

1.3

4
1.4

2930
A
2x
4x 4x
2x

1.5

18

37
322
B

22
32
B1

1x 1x
1x1x
1x
1x

1.6

33

B
Preparatory steps for all doors:
6x1x
B
Before attaching the plastic corners it is especially
important that the leading edges of all proles are
deburred with the supplied needle le in order to
avoid blocking due to plastic chips.
!


12

20
C
C1
C2
8 20




300: 105 mm
420: 135 mm
Please pay attention
to the correct length!
105/ 135 mm !
!
!
For an easier assembly of
the plastic corners, please
turn the prole and use the
rubber mallet to x it to
the corner!



! Please produce 16x !
1x
1x
300: 107 mm
420: 137 mm
1x

27

14
D
D1
D2
6




!
Please pay attention
to the correct length!
343/ 413 mm !
Please pay attention
to the correct length!
341/ 411 mm !
!
7
C




! Please produce 2x !
1x
1x
1x
1x
1x
300: 343 mm
420: 413 mm
300: 341 mm
420: 411 mm


14
E
E1
E2
6




!
Please pay attention
to the correct length!
343/ 413 mm !
Please pay attention
to the correct length!
343/ 413 mm !
!
6
C




! Please produce 2x !
1x
1x
1x
1x
300: 343 mm
420: 413 mm
300: 343 mm
420: 413 mm

6

14
F
F1
F2
6




!
Please pay attention
to the correct length!
343/ 413 mm !
Please pay attention
to the correct length!
343/ 413 mm !
!
C




! Please produce 2x !
1x
1x
1x
1x
300: 343 mm
420: 413 mm
300: 343 mm
420: 413 mm


14
G
G1
G2
6




!
Please pay attention
to the correct length!
343/ 413 mm !
Please pay attention
to the correct length!
341/ 411 mm !
!
C


277


! Please produce 2x !
1x
1x
1x
1x
1x 300: 343 mm
420: 413 mm
300: 341 mm
420: 411 mm

2

12
2.2 13
2.1


D





1x
Side doors
(produce 2x)
300: 345 mm
420: 415 mm
300: 343 mm
420: 413 mm
D
E
F
G

13
C
2.3
2.4
2.5
27



E









1x1x
1x
300: 345 mm
420: 415 mm

C
2.6
2.7
2.8









F



13
1x
1x
300: 345 mm
420: 415 mm

12
C
2.9
2.10
2.11
G












1x
1x
300: 345 mm
420: 415 mm

2.13
2.14



C27
2826
2826



2.12
1x 1x
4x 2x
4x 2x
! Please produce 2x !

3
34
3.2
1x
3.1
1x
2423
1x
25
1x
1x
1x

2

Upper frame
1


