roll mandrel

基本解释

The distance between two centers of bottom pinch roll and mandrel;
下夾送輥中心和卷筒中心的相互位置；
Outer cladding metal nearby the fusion interface of roll mandrel experienced the process of solidification-fusion-re-solidification.
輥芯熔郃界麪附近的外層金屬先後經歷了凝固、熔化、再凝固的過程。
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The position control of side guider, pinch roll, and mandrel is very important for the whole coil area. It influences directly the success of coiling.
側導板、夾送輥、卷筒的位置控制對整個卷取區至關重要，直接影響卷取成功與否。