IF quenching equipment is comprised of IF power supply device, transformer, quenching control cabinet, induction coil, and support quench machine tool, is applicable to metal as a whole and part surface and local heating treatment to improve metal surface hardness and durability of work-pieces, such as diamond, saw blade, drill bit, turning tool, hard metal, gear, crank shaft, axle shaft, and fastener, tooth-by-tooth quenching of large gear, step or continuous quenching of wheel and large shaft parts, is characterized by high power and deep quenched case and can not be replaced by IGBT solid state HF equipment.
Diameter of Work-piece for Quenching (mm) | ≤5 | 5-15 | 15-30 | 30-200 | 200-500 | 500-800 | 800-1200 | ≥1500 | |
Common Frequency Selection (mm) | ≥400 | 100-400 | 50-200 | 2.5-150 | 0.5-2.5 | 0.5-1 | 0.5-1 | 0.2-0.5 | |
Common Power Selection (KW) | ≤30 | 30-50 | 30-50 | 50-160 | 100-300 | 300-600 | 500-800 | ≥1200 | |
Hardening Depth and Frequency Selection: Heating Frequency are directly related to the Electric Efficiency, which need to be choose properly. | |||||||||
Frequency (kHZ) | >20 | 10 | 8 | 6 | 4 | 2.5 | 1 | 0.5 | |
Hardening Layer Thickness (mm) | Smallest | 0.9 | 1.25 | 1.3 | 1.6 | 1.6 | 2.4 | 3.6 | 3.6 |
Biggest | 3.5 | 5.0 | 5.5 | 6.5 | 7.9 | 10 | 16 | 16 | |
Suitable Size | 1.75 | 1.9 | 2.7 | 3.25 | 3.9 | 5 | 8 | 8 | |
