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The plate will produce a retreat phenomenon: for improvement, see adding a set of bolts (M18x 100mm) tightening device, which can solve the problem of plate release. The middle end plate 1 can be welded with the rib plate 2 and the seat plate 3, but only one end can be welded, and the other end is to be mounted on the field, and the two end plates are tightly held by the crane beam and then welded, so that the seat plate 3 is easily welded from the rail. Inserting at the bottom also eliminates the effects of the width of the cement beam.
This kind of device has been used in our unit for many years, which fundamentally solves the problem of the retraction of the pressure plate and prolongs the service life of the rubber pad. The disadvantage is that the structure is more complicated than the original device, and it is only suitable for the plate-type track modification.
Differential indexing method in the oblique gear emblem â–¡ â–¡ Wei 蛟 åŠ å·¥ åŠ å·¥ åŠ å·¥ åŠ å·¥ åŠ å·¥ åŠ å·¥ åŠ å·¥ åŠ å·¥ åŠ å·¥ åŠ å·¥ åŠ å·¥ åŠ å·¥ åŠ å·¥ åŠ å·¥ åŠ å·¥ åŠ å·¥ åŠ å·¥ åŠ å·¥ åŠ å·¥ åŠ å·¥ åŠ å·¥ åŠ å·¥ åŠ å·¥ åŠ å·¥ åŠ å·¥ åŠ å·¥ åŠ å·¥ åŠ å·¥ åŠ å·¥ åŠ å·¥ åŠ å·¥ åŠ å·¥ åŠ å·¥ åŠ å·¥ åŠ å·¥ åŠ å·¥ åŠ å·¥ åŠ å·¥ åŠ å·¥ åŠ å·¥ åŠ å·¥ åŠ å·¥ åŠ å·¥ åŠ å·¥ åŠ å·¥ åŠ å·¥stand up. But sometimes you will also need to divide the head to solve the differential indexing problem of the gear, then an indexing head can do nothing. In the past, the approximate indexing method was used to solve the indexing problem, which was troublesome and the precision was poor. We can solve this problem by the following methods. That is, two indexing heads are used, one for the differential indexing and one for the machine tool table screw.
First find the two indexing head spindles on the same center line, and then press the indexing head. 2. Clamp one end of the workpiece with the three-cube chuck of the indexing head 2, and the other end with the indexing head. After the top is tightened, when the indexing head U is milled, the jaws of the indexing head 2 clamp the workpiece, and the jaws of the indexing head 1 are loosened. After milling a slot, the workpiece is returned to the original position with the table. First, the indexing head 1 is used to clamp 1, and the indexing head is 3. The tip 4. After the workpiece is tightly attached to the workpiece, the jaws of the indexing head 2 are released. In order to carry out the differential indexing, after the indexing, the workpiece is still clamped by 2, and the next slot is milled, and the whole workpiece is processed.
It should be noted that. The tightness of the spindle locking handle of the two indexing heads should be appropriate, and the spindle clearance of the indexing head should be adjusted well: if the processing is more than 1"! Each time the I finishes, only the indexing head 1 can be released. The workpiece, the indexing head 2 remains stationary.
Fine device management R dimension 2 touch
Application of Differential Indexing Method in Helical Gear Milling