C
LEAR
P
ATH
-EC
U
SER
M
ANUAL REV
1.11
74
misalignment or axial motion. Also, never exceed the manufacturer’s
rating for “maximum torque with zero backlash” when using jaw
couplings.
Bellows couplings are also excellent for high precision positioning
applications. Bellows couplings allow for more misalignment than jaw
couplings but are generally more expensive.
Both curved jaw and bellows coupling offer excellent positioning accuracy,
high speed performance, and vibration damping when installed and
operated within the manufacturer’s specifications and guidelines.
Coupling Information on the Web
Ruland’s website has a good collection of technical information on
coupling types and coupling selection for servo systems. See links below.
https://www.ruland.com/technical-resources/technical-articles
https://www.ruland.com/technical-resources/technical-articles/5-
reasons-to-consider-using-jaw-couplings
I
NSTALLING
P
ULLEYS AND
P
INIONS
P
ULLEY AND
P
INION
M
OUNTING
x Always follow the manufacturers mounting guidelines.
x Mount pulleys and pinions as close to the motor face as possible
while still following the manufacturer’s installation guidelines.
x Never drill through, “pin”, or deform the motor shaft when
mounting a pulley or pinion.
Application Tip: To prevent loose or slipping pulleys and pinions, some
customers use Loctite 638 to bond components to the motor shaft. Note:
Loctite 638 is a very strong adhesive. When fully cured, Loctite 638
can only be removed by applying heat to the bonded parts.
T
EKNIC
,
I
NC
. T
EL
.
(585)
784-7454
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