| 摘要 |
A tube expanding assembly expands a plurality of tubes used in combination with a plurality of fins and end sheets to form a heat exchanger, the tube expanding assembly includes a nest plate secured to the base wherein the nest plate holds the tubes thereon, a bolster cylinder extendable between the base and the nest plate for moving the nest plate relative to the base, a ram support disposed above the base, a ram plate secured to the ram support, a ram cylinder depending from the ram support and secured to the ram plate wherein the ram cylinder moves the ram plate relative to ram support, a plurality of expansion rods depending from the ram plate wherein each of expansion rods is extendable through each of the tubes such that the tubes engage the fins and end sheets, and a plurality of transducers, each of the transducers are associated with each of the bolster cylinder and the ram cylinder such that the transducers create signals identifying position of each of the ram plate and the nest plate.
|
