Global ꞏ June 2019

Concrete mixer scratchers with long service life

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Description of the case

Function: Cleaning lateral  walls in concrete mixer.

Technical data:  The rotation speed is of 30 rpm. Paddles produced in cast iron with 500 HB. The temperature of work is around 20-25 ºC. Cast iron is replaced by Hardox® 600 in 25 mm.

Dimensions and Quantities:  Original thickness 23 mm. Dimensions 610 x 275. Weight  aprox. 29 Kg. The mixer have one outside scratcher and one inside scratcher.

Service Life and Status: With  Hardox® 600 in 25 mm, the scratcher doesn’t break. The service life with cast iron is 350 hours and with Hardox® 600 is 1.400 hours and it is still working.

Case details

Key success factors

Improved service life: 400%

New service life: 1400 hours

New solution
Hardox® 600, : 25mm
Old solution

Other: 25mm

Industry and wearpart
Concrete , Concrete mixers , Paddles