Generally, you only need to know the diameter, lead, total length, and thread length of the ball screw; the dimensions of the two ends of the screw: diameter, length, keyway length and width, thread length, thread specifications, circlip groove depth, width, wrench Bit size (some are only part of the ruler); the length of the nut, the diameter of the protruding part, the size of the protruding part, the size of the oil hole, the diameter of the flange, the thickness, the diameter of the mounting hole, the PCD size.
The ball screw can be roughly divided into the following points:
1. The outer diameter of the ball screw, that is, the diameter of the highest point of the screw thread. 2. The lead of the ball screw, that is, the pitch of the screw, is the distance the nut travels forward or backward when the screw rotates once.
3. The form of the nut and the direction of the flange of the nut.
4. The diameter tolerance of each part of the machining pillow block at both ends of the screw rod, the length and the size of the threaded buckle! Knowing the above points, the measurement of the screw rod is basically completed! The most important point is that the accuracy level of the screw rod must be determined Good!
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