Design and application of adjustable mandrel

In production practice, we often encounter workpieces similar to those shown in Figure 1, with high coaxiality requirements for the inner and outer rings. In mass production, it is often necessary to reduce the tolerances of the inner hole before the process, and improve the positioning accuracy to finally meet the accuracy requirements of the parts. To this end, we have designed a variable diameter mandrel that does not need to reduce the tolerance of the inner hole of the workpiece. For parts with different dimensional deviations of the same specification, it is only necessary to adjust the diameter of the mandrel to achieve reliable positioning. The structure is shown in Figure 2. Show. The working process is as follows: first loosen the knuckle nut 6 to make the slider 4

Monkeypox Virus Test Kit

Human Monkeypox Virus (MPV) Antigen Rapid Test Device (colloidal gold) is an in vitro diagnostic test for the qualitative detection of human monkeypox virus antigens in Nasopharyngeal swab,saliva and exudate of blain using the rapid immunochromatographic method. The identification is based on the monoclonal antibodies specific for the human monkeypox virus antigen. It will provide information for clinical doctors to prescribe correct medications.

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