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Hammer Crusher

New bores for a hammer crusher’s (crusher rotor‘s) hammer shafts had to be inserted to replace existing bores that had exceeded their wear limit. All work was carried out on the assembled hammer crusher. 

Metalock Engineering photo

Setup of the boring device on a 3000 mm long bed. Boring length of 2400 mm with 8 discs. Guiding of the borer extension with a crossbar.

Metalock Engineering photo

Pre-drilling of 120 bores with a solid drilling tool to diameters of 88 mm.

Metalock Engineering photo

Reboring of the 88 mm diameter bores to diameters of 118 mm.

Metalock Engineering photo

Driving of the boring shaft with a small boring device. Fastening to the housing with crossbars.

Metalock Engineering photo

Aligned bearing channels rebored to a diameter of 130 mm. Continuous boring shaft supported on both sides.

Metalock Engineering photo

Finished, bored bearing channels. 8 channels, each with 15 discs, 120 bores.