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Desoutter EFD43-8 - Page 9

Desoutter EFD43-8
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Safety Information
06/2021 9 / 268
Model D E F
EFDO54-450 0.63 24.31 6.82
Model G H J
EFD43-8 - 1.69 0.55
EFD43-15 - 1.69 0.55
EFD43-30 - 1.69 0.55
EFD43-45 - 1.69 0.55
EFD51-70 - 2.01 0.79
EFD51-135 - 2.01 0.79
EFD60-175 - 2.36 0.79
EFD60-250 - 2.36 0.79
EFD80-330 - 3.15 1.26
EFD80-450 - 3.15 1.26
EFD80-680 - 3.15 1.26
EFD80-950 - 3.15 1.26
EFDO24-20 0.94 1.69 0.59
EFDO30-80 1.18 2.01 0.79
EFDO40-180 1.57 2.36 0.98
EFDO54-450 2.12 3.15 1.38
Design limitations for multi-spindle machines
regarding EFDO spindles
Here is the design equation related to the telescopic shaft em-
bedded on EFDO spindles. The EFDO design requires to
comply with:
L < d x A/C + B
Equation is applicable only when all constants are set to
values given in the chart below.
L
Ød
where:
L (mm) Total shaft + socket length
measured fully extended from
the front bearing to the socket
tip.
d (mm) Pattern diameter on wheel
multis or minimum distance
between spindle shafts
Constants of telescopic modules
Model A B
EFDO24-20 69 -39.5
EFDO30-80 110 -46
EFDO40-180 202 -53
EFDO54-450 307 -57
To secure the mounting of telescopic modules, make sure
that:
- screws are quality class 12.9
- torques applied are 16 Nm for M6 and 40 Nm for M8.
If the application requires a longer shaft length than
given in the equation, it is advised to select a greater size
square drive.
Design limitations for multi-spindle machines
regarding EFD spindles
In order to provide greater resistance in such application, op-
tional telescopic modules can be added to the standard spin-
dles. Refer to the user manual 6159924120 for technical in-
formation and design guidelines. See below the use case and
the available range of telescopic modules :
Tool model Telescopic module
part number
Suitable clamping
screw to use
EFx43 3/8" 6153970135 M6 x 30
EFx51 1/2" 6153970175 M8 x 25
EFx60 3/4" 6153970145 M8 x 25
EFx80 - 3/4" 6153992670 M8 x 35
EFx80 - 1" 6153992680 M8 x 35
Tool
model
EFD43-
8
EFD43-
15
EFD43-
30
EFD43-
45
EFD51-
70
EFD51-
135
EFx43
3/8"
x x x x
EFx51
1/2"
x x
EFx60
3/4"
EFx80
- 3/4"
EFx80
- 1"
Tool
model
EFD60-
175
EFD60-
250
EFD80-
330
EFD80-
450
EFD80-
680
EFD80-
950
EFx43
3/8"
EFx51
1/2"
EFx60
3/4"
x x
EFx80
- 3/4"
x x
EFx80
- 1"
x x
Installing the tool on the mounting plate
WARNING Risk Of Electric Shock
Only qualified and trained operators should install, ad-
just or use this equipment.

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