For the difference of rock and soil strength on the tunneling face, curved tunneling, and the top-heavy structure of the main machine forming the complex geological structure, the adoption of uniform ...

A new precision drive from Amacoil/Uhing is a Model RG rolling ring linear drive with a motion controller for precise linear-motion applications. Depending on the size of the drive nut, the drive ...

In a sense, thrust bearings are 90° angular-contact bearings. They support pure thrust loads at moderate speeds, but for practical purposes, their radial load capacity is nil. Because they cannot ...

Contractors are using connected equipment technologies, and will use more in the future. That is one take-away from the 2023 State of the Industry Construction Technology Report, where 13% of ...