| 摘要 |
The present invention consists with mold in two parts wherein the first portion of cage where steel balls put which holds the steel balls and the second portion which is used to retain steel ball and prevent them to coming or falling out from first part. The first and second parts are joint either with ultrasonic welding or with adhesive or by self locking system. Then equally space is provided among rolling elements are provided on both the molding cage. |
