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This apparatus is suitable for making cubes of 70.6mm, for mortar strength evaluation. The mould is mounted on a vibrating platform with a frequency of 12000 ± 400 vibrations per minute To the platform are attached four matched springs. The whole assembly is operated by a revolving shaft with an eccentric mechanism. The machine is supplied complete with a time switch and a 70.6mm steel cube mould with base plate.
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