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P. 32
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Text version of the page
| How to use the jack | ||||||||||||||||||||||
| Standard upright type | Standard inverted type | |||||||||||||||||||||
| This type is used mainly to pull up loads. A clevis or spherical piece shall be used, when necessary, as in the case of the standard lifting type. If this type is used to lift loads and the lifting screw is subjected to compressive loads, due consideration must be given to buckling. | ||||||||||||||||||||||
| This type is used mainly to lift loads. If the structure to be lifted cannot be held horizontal at joinned parts due to bending, use a clevis or spherical piece at the lifting screw end. If the lifting guide is not detain-able, the screw must be provided with a prevented rotating key. In the case of the ball screw jack, other means can be used for this purpose. Please check the lifting screw for buckling based on the instructions on pages 9 and 19. | ||||||||||||||||||||||
| /////ss//// | ||||||||||||||||||||||
| ////////// | ||||||||||||||||||||||
| Application exampie 1 | ||||||||||||||||||||||
| In a machine for producing veneers from wood, the jack follows, by servomotor, the logs which grow thinner as they rotate. Although the jack is installed as the suspending type, the loads are compressive. Therefore, the guide is designed with sufficient rigidity. | ||||||||||||||||||||||