How much do you know about the air expansion shaft manufacturing process?
Source of the article：Editor：popularity：0Publication time：2017-03-06 17:31:05【large
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The use of air expansion shaft can be described as a new bright spot in the progress of modern society, ah, many mechanical operation and operation are driven by it, perhaps some people know it very well, but I believe that more people still do not know what its scope of application is. Next, introduce the production process of the air expansion shaft.
Annealing, rough turning, quenching: annealing heat treatment, gas expansion shaft technology quenching and tempering, multiple stress removal, rough turning to leave margin, static balance, more than 50g, demand accounting by offset, turning by lathe.
Dynamic balance, electroplating and fine grinding: G40 grade dynamic balance is made for the air expansion shaft, the air hole is plugged, the pressure test is made for no leakage, and the water pressure dredging test is made. Electroplating hard chromium, air expansion shaft accessories single side 0.15 chromium layer uniform without pinholes, drop and other defects.
Vehicle matching, assembling and welding: The dimension of the inner pipe is 0.4mm away from the outer pipe, and the welding seam angle of the two plates is 15X30 degrees. Grind the inner pipe, remove the slag, check whether the dimension of the inner pipe is suitable for the internal diameter of the outer pipe. After cooling and shrinking, all the pipes are welded together.
Frosted, fine grinding mirror: air expansion shaft parts frosted with disc grinder air expansion shaft, check inflation shaft accessories, no water ripple, spiral grain, eye of a needle, fly rent and other free quality.
Welding of components: the inner plate, shaft head, bushing, blocking plate, inner tube and so on shall be assembled and welded on the air expansion shaft. The inner tube shall be statically balanced within 50g. The inner tube shall be marked with a rotary direction line and welded with a flat steel flow passage.
Finish turning and rough grinding: the two spindle heads are used to repair the pinhole, and the two spindle heads are used for the run out of the air expansion shaft fittings.
To sum up, we can see that the use of air expansion shaft is very extensive, the technical characteristics of the air expansion shaft are also very obvious, different air expansion shaft classification purposes are different, so we can greatly improve our knowledge in this area.
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