When turning slender shafts, what are the advantages of reverse feed over forward feed?

In general, slender objects are easy to bend under pressure and not easy to bend under tension. Forward feed (by)When turning the tailstock (feeding to the spin···

From the perspective of lathe, what are the reasons for the pitch out of tolerance of Turning Thread?

(1) The axial movement of the lead screw is too large.(2) The opening and closing nut is worn, and the coaxiality with the lead screw is out of tolerance, resul···

What causes of the lathe can affect the out of tolerance of the cylindricity of the machined workpiece?

(1) The parallelism between the spindle axis and the bed saddle guide rail is out of tolerance.(2) The guide rail of the bed is seriously worn.(3) When clamping···

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Trump Bright International 2023 environmental policy

Environmental policies and objectivesEnvironmental policy:Comply with national and local environmental protection laws and regulations and reduce environmental ···

Trump Bright International 2023 annual quality target

Quality policy:Full participation and continuous customer satisfaction is Kaihui's eternal commitment.Quality objectives in 2022:1. The monthly batch rate o···