.

Undercarriage System

Undercarriage System

Walksonis a qualified supplier of crawler system for large hydraulic excavators and electric rope shovels. We have system one undercarriage for saleand our Key products include:

Crawler shoes/trackpads

Sprockets/tumblers

Idlers

Hydraulic shovel

Load rollers

Return rollers / slider blocks

End block

Pin and bolt

Track Pads/ Crawler Shoe

Our clawer shoes are manufactured by low alloy high strength steel, they are all heat treatment to the above requirement mechanical property to suit any working conditions.

Sprocket/ Tumbler

Our sprocket is made from low alloy high strength steel, combined with quenched and tempered heat treatment plus induction hardened to get the required requirement. With this special material the main structure of the part has a good strength while at the same time the working area also has incredibly good wear resistance performance.

Idler

Our Idler is made from low alloy high strength steel, combined with quenched and tempered heat treatment plus induction hardened to get the required requirement. With this special material the main structure of the part has a good strength while at the same time the working area also has incredibly good wear resistance performance.

Roller

Boron steel is used to make the roller, induction hardened and stress relieved to increase robustness. The roller shaft is induction hardened, the surface finishing quality is strictly according the drawing, to resist at heavy radial and axial loads and in the meantime guarantee an adequate internal oil lubrication.

Typical Mechanical Properties of Tumbler and Idler

Mechanical properties

Required Minimum

UTS (MPa)

950

Yield (MPa)

800

Elongation (%)

10

Charpy V Notch (Joules)

27 @ -40 C

Hardness (Brinell)

286 – 340

For more informationabout valve forging, please feel free to contact us!



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