Group: Precision Alliance
Catalog excerpts
❶ A lthough flexible coupling permits misalignment ■■ Mounting on a D-cut shaft ● For and transmits rotation angle and torque, if the As a rule, use round shafts with clamping types. misalignment exceeds the allowable value, vibration When using D-cut shafts or shafts with key grooves, mount the D-cut surface or key groove in a position which may occur or the life may be rapidly shortened. Be avoids slits and bolt spot facing. sure to perform alignment adjustment. ❷ haft center misalignment includes eccentricity S clamping type alignment (center matched) socket head cap screw (parallel error of both shaft centers), argument (angle error of both shaft centers), and end-play (shaft direction movement of the shaft). Adjust the shaft alignment so that it is not more than an allowable value described in the Dimension/ Performance table in this catalog. ●● Angular clamping types with 1 hex clamping types with 2 hex socket head cap screws Bolt spot facing alignment (center unmatched) ❸ he allowable values of misalignment described in T the Dimension/Performance table are for the case where any one of eccentricity, argument, and end- play occurs independently. Mixing of two or more misalignment causes each of the allowable values to be reduced to half. M ❹ isalignment may occur not only in mounting into Recommended position of the D-cut surface/key groove I f the D-cut surface or key groove is not in the recommended position, the clamp part may be damaged if of eccentricity and angular alignment excessive load is applied due to hexagon socket head cap screw tightening. the device but also due to vibration, thermal expansion, and shaft bearing abrasion during operation. Therefore, misalignment is recommended to be not more than one third of the allowable ■■ Shaft insertion length Set the D-cut surface as the set screw fastening position when using set screw types. For the length of the shaft that should be inserted into the coupling, we recommend the hub length (L dimension) listed in the catalog. If the insertion amount is longer than the L dimension, check that there is no interference of the shaft inside the coupling. If the inserted amount is too short, the shaft may slip or the clamping part may break.
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MSH
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XGS-CS
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Terminology for Couplings
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