Induction Hardening & Tempering Line for Cutting Edges: A Reliable Solution for Construction Machinery Wear Parts

In the construction machinery industry, cutting edges and end bits face continuous impact and abrasion. Many manufacturers still struggle with uneven hardness, large deformation during quenching, and unstable toughness.

Key Problems

• Hardness variation across the plate

• Soft corners & overheated centers

• Large distortion after flame hardening

• Risk of cracking due to low toughness

• High operator dependency

• Inefficient energy consumption

How Induction Solves the Problem

The induction hardening & tempering line provides:

• Fast, uniform heating (300–1000 kW MF)

• IR temperature measurement + PLC closed-loop control

• Multi-zone spray quenching (enhanced corner cooling)

• Continuous tempering for stable microstructure

System Configuration

• MF induction power supply

• Modular plate inductors

• 304 stainless-steel water-cooled rollers

• IR + PLC control

• Multi-zone quenching

• Tempering furnace

• Automatic loading/unloading

A large East China wear plate manufacturer improved wear life by 1.5–2.2 times using induction hardening & tempering.

Stable heat treatment is essential for the durability of cutting edges and wear plates.
Yuanto provides customized induction hardening & tempering solutions for construction machinery manufacturers.