The unit fuel injection pump and fuel injector produced by our factory are the precision parts for the diesel engine. The shape of the part blank is characterized by a stepped short shaft type of precision cast and forged blank. The diameter is φ30 to φ50 mm, and the length is about 90 to 110 mm. The large circle at each level of the part has certain requirements for coaxiality and surface roughness. If the center hole is manually adjusted by tapping the head, it is not only low in work efficiency, but also cannot guarantee product quality. To this end, we made a simple device.
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Shijiazhuang Longshu Mechanical & Electrical Equipment Trading Co., Ltd. , https://www.longsbearings.com