Kukko main-catalogue - specialized in extractors Page 14
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KUKKO tool factory External extracting You should always give a 3-jaw puller preference if the access conditions permit. The uniform load distribution guarantees a particularly secure hold on the to be extracted part. Mode of operation STANDARD as INTERNAL extractor External pulling is the most common type of pulling. The part to be extracted such as a gear wheel, pulley or ball bearing, is gripped from the outside. The part is loosened from the shaft by the pull of the pressure screw. The external pullers can also be used as internal extractors by turning the jaws. Important: When used as internal extractors, a fixed center point is required to brace the pressure screw of the products in these series. Accessories: Modular extensions For the 20 and 30 series, we offer modular extensions. If the part to be removed sits deep inside a shaft, jaw extensions will be needed. 3x Accessories: Side clamp The side clamp is available separately (No. 219-1). It is attached to the puller jaw after the puller has been fitted and prevents slippage of the puller jaw under very high forces. Accessories: Grease hydraulic pressure spindle The hydraulic spindle ensures controlled and secure operating of 7-20 t. It uses the entire capability of the puller, over and above what can be achieved with a mechanical spindle. When replacing a mechanical spindle with a hydraulic one, there is also a considerable reduction in the drive force which needs to be used. 14 A world in motion since 1919!
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