Elastomer dog coupling with conical hub and shaft collar aluminium 23021-010
- Suitable for high speeds
- Vibration absorbing
- Free of play through preload of the coupling star
- Simple assembly (push-fit system)
Sales unit
£96.46
plus sales tax
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Designation
Elastomer dog coupling
Version 1
with conical hub and shaft collar
Main
material
aluminium
Component
material
polyurethane
D1/D2=fastening hole
6
D4=Outside diameter
32
L=Length
50
B
10
B1
2
C
(DIN 912-12.9)
4x M3
D1/D2
max.
14
D1/D2
min.
6
D3
17
D5
8,5
D6
10,5
L1
18,5
L2
13
L3
15,5
Max.
axial shaft
displacement ±
0,5
Max.
lateral shaft
displacement
0,1
Moment of
inertia
(10⁻³ kgm²)
0,015
Nominal
torque
Nm
10
Radial spring
stiffness
N/mm
600
Size
10
Static resistance
to torsion
Nm/arcmin
0,04
Tightening
torque of
screws Nm
2
max.
rpm
30000
~ CONFLICT MINERALS 3TG status
no intentional 3TG
~ CP65 substance 2 cancer
soots, tars, and mineral oils
~ PFAS free?
not yet identified
~ REACH SVHC-free?
yes
~ RoHS conformity
yes, without exemption
~ TSCA 6(H) conformity
yes
Description
Material
Spider polyurethane hardness Shore 98A.
Hub aluminium.
Conical ring carbon steel.
Hub aluminium.
Conical ring carbon steel.
Note
This coupling series is particularly suitable for use in high speed main spindle or drill spindle drives. Before the plug-in assembly, both clamping ring hubs must be fastened to the shafts with the correct tightening torque. Lightly oil the spider to ease assembly.
Assembly
The shaft to hub bore fit should be a transition fit. The play should be max. 0.02 mm. i.e:
shaft Ø 25 k6
bore Ø 25 G6.
Bores smaller than D1/D2 min. are possible, however an optimal transfer of the nominal torque is no longer guaranteed.
shaft Ø 25 k6
bore Ø 25 G6.
Bores smaller than D1/D2 min. are possible, however an optimal transfer of the nominal torque is no longer guaranteed.
On request
Hub bores D1 and D2 with separate tolerance class or range.
Drawing reference
1) elastomer spider
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