Mechanical methods
Mechanical methods
Rotary chain cutter
Drilling and milling apparatus (Milling unit)
Milling unit
Drilling and milling apparatus are remotely controlled, and commonly used in conjunction with camera supervision, in pipe sizes ranging from DN 200 (8 in) to DN 600 (24 in) to remove solidified/hard deposits, protruding connection sewers, roots and other obstacles. They are driven hydraulically using oil or water pressure. To ensure that no pipe damage occurs, these devices are fixed in a central position. In individual cases they are also equipped with varying diameter milling heads.
Image:
Milling unit with a full surface milling head [FI-Müller]
Image:
Milling unit with a full surface milling head – Insertion of the milling unit in the sewer to be cleaned [FI-Müller]
Image:
Milling unit with a full surface milling head in operation [FI-KMG]
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