Hydraulic hammer chisel tip made more durable
General information
Name of center
SSAB
Description of the case
It's 2 years since we started trying to understand if our bars could be an alternative for these applications. First we contacted some OEM's like Indeco but they have invested heavily in heat treatment equipments for chisels and are reluctant to change. Now we are trying again with HWP Giorgio Novara. This channel will hopefully allow us to know in detail what's the final user experience like
First test has been very sucessful. There is though a lot of work to do. first of all, understanding why it went so well this time.
Lifetime of the first chisel made of Tx44 has been 70% better than usual (Heat Treated 42CrMo14). The chisel cracked due to fatigue, with initiation point at a scratch in the surface. Nitriding might delay this effect
Lifetime of the first chisel made of Tx44 has been 70% better than usual (Heat Treated 42CrMo14). The chisel cracked due to fatigue, with initiation point at a scratch in the surface. Nitriding might delay this effect
End customer
Industry
Quarries and sand
Raw material processed
Granite
Wear part
Temperature
0 – 250 °C / 32 – 480 °F
Processed material size
10 – 300 mm / 0.4 – 12.0 "
Solution
New solution
Toolox 44
Key success factors
Improved service life
70%
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