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Author: Smartweigh–Multihead Weighter
1. When the limit switch constructs the construction material filling scale, its allowable offset is determined according to the multihead weigher and installation accessories. Although this mounting accessory is self-centering, that is, self-aligning, the limit switches are constructed to better ensure that the feed does not offset beyond the larger allowable lateral offset of the weighing device. Like viewing angle blockers, or vulcanized rubber buffers.
2. Rising in the opposite direction If the center of gravity of the feeder is located above the bearing point, and the damage caused by wind and other external forces cannot be removed, the feeder should be raised and maintained in the opposite direction to the design scheme of slumping or rising. It is necessary to design a plan for secondary maintenance or to design a plan for maintenance in the opposite direction in particular. For example, lift maintenance can be accomplished in many ways by adding a spiral rod vertically around the load-bearing point.
Buried holes in the loading plate shall be suspended in the air at the anchor bolt rods connected with the material tank. Its maintenance gap is adjusted according to 2 nuts located on the extruder screw. Depending on the size of the holes punched in the 2 loading plates, larger side offsets can also be defined.
3. When using the non-self-returning multi-ball rubber bearing or similar accessories, the pendulum rod must be used to fix the material. The specification and overall design of the pendulum rod should reasonably limit the unnecessary displacement of the measured object such as the material, but minimize the harm in the accurate measurement position. The ways of swinging the rod are as follows: 4. Wire rope pressure bar: This plan is not harmful in the direction of gravity.
5. Anchor bolt support rod: In this scheme, the externally threaded rod will only exert one azimuth upward force on the tube bundle axis. In order to be able to better tie the tube, 2 such support rods must be installed on one axis. 6. Flat rod guide rod: The flat rod plan actually has extra force in the vertical orientation to cause weighing error.
However, because the length of the flat rod is relatively long, even if the section size is relatively large, the additional bending force caused by it is relatively small. However, additional attention must be paid to this fitting force in the case of calibration. 7. Pin pendulum: Under normal conditions, the extra force of the pin pendulum to the vertical position is not large. However, if the pendulum is skewed in the horizontal direction, it is likely to cause the pendulum to be clamped.
This creates sliding friction and increases the hazard of additional forces in the vertical orientation. Therefore, special attention should be paid to the precise positioning of the measured object during installation. The engine cylinders in many directions need to have a relatively good relative position, and no skew in the horizontal direction can occur.
8. Anchor bolt swing rod with joint bearing: The anchor bolt swing rod with joint bearing is similar to the pin swing rod, but because the joint bearing can rotate freely in every direction, it can prevent the sliding friction force of the pin swing rod hazard. Therefore, in the case of installation, it is sufficient to level the pendulum. However, it must be noted that the lubrication of the spherical plain bearing must be done well, especially in the outdoor natural environment.
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