4707Q brake shoe information:

Specification:177.8mm width with 32Rivets

Material:high quality carbon steel

Heat treatment:Induction quenching

Hardness:HRC25-35

Surface treatment:Electrophoresis Coating,spray coating

Characteristics:Strong corrosive,resistance and excellect braking performance.

Packing: fumigation-free pallet or carton

Process:Steel plate--Punching--Milling--Welding--Drilling--Induction quenching--Electrophoresis coating--Inspcetion--Restriking--Packing.

Packing: Pallets for free fumigation covered with placstic

Feature:

Weld detail:Carbon Dioxide Gas Arc Welding to guarantee strength,no cracked or weakened welds,no distortion of the shoe webs.

Cam and anchor detail:

Induction hardended cam and anchor for long term durability and life.Hardness up to HRC35-45.No wear to the pin recess prevents lateral movement.

Shoe platform detail:

No corrosion or distortion to the shoe platorm provides optimum lining security and geometric operation helping reduce brake noise.

Rivet hole detail:

No damage,elongation or ovality of the rivet hole reducing the risk of loose rivets due to bad fitting.

4707Q Performance of brake lining