Cradle Machine

Definition - What does Cradle Machine mean?

A cradle machine is a type of boring machine used in horizontal directional drilling. The cradle boring method saves time because it does not require the construction of an entrance pit prior to start of operations.

A cradle machine is also known as a cradle boring machine.

Trenchlesspedia explains Cradle Machine

Cradle boring was especially popular during the 1960s and ‘70s in the construction of many cross-country pipelines. The design of a cradle boring machine makes starting the job much quicker and faster. Rather than a full-fledged entrance pit, only a starter trench is required. During the heyday of cradle boring, cradle machine crews would usually work ahead of regular pipe crews.

The cradle of the machine protects the operator and provides space to work. A cradle machine excavates with an auger in front as it advances casing.through the ground. Once the excavation is complete, it removes the auger, installs the pipe product through the casing, and then removes the casing.

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