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Hub shaft induction heat treatment process part 2: hub shaft induction heat treatment process development 1. Induction heating mode Based on regional analysis: wheel shaft quenching wheel axle shaft for variable cross-section steps, at the same time request the rounded induction hardening and the range of 110 ~ 120 mm
Hub shaft induction heating and heat treatment process pert 1: hub shaft heat treatment technical requirements Hub shaft (see Figure 1) is an important part of the wheel rim reducer. Its quality has a great impact on the quality of the whole vehicle, and the automotive industry has increasingly higher
The problem is raised that in some scanning quenching applications, the step axis undergoing proper austenitizing may appear soft at the inner Angle of the diameter transition. Solution: Sometimes, when the quenched stepped shaft is scanned, it may be difficult to spray quenching to reach certain areas of the shaft
1. Automobile manufacturing industry Induction heat treatment technology has been most widely used in the automobile industry, and the induction heating quenching of automobile parts has risen to about 50% of all heat-treated parts.The purpose of induction quenching is not only to improve the wear resistance of parts but also
Problem: Parts cracked after induction heat treatment. Solutions: 1. Check the positioning of parts. 2. Make sure there are no unexpected hot spots; The reason may be the absence of rotational heating. 3. Check whether there are too many grains growing near the crack surface. 4. Check whether the quenching
The coil’s cooling water is the lifeline of the induction coil. The electrical conductivity of the water, the channel limitation, and the recirculation temperature of the cooling water all play important roles in the life cycle of the inductor. Here are some tips to get the most out of your system:
Tempering after quenching is commonly used to increase the stiffness and toughness of steel, eliminate internal stress, improve dimensional stability and uniformity, but has little effect on the hardness of steel quenching. When hot steel is chilled, its microstructure changes into hard and brittle martensite, a quenched martensite that is
Problem: Irregular deformation of parts after induction heat treatment Solutions: 1. Check the quenching fluid concentration, flow rate, and pressure. 2. Ensure proper quenching uniformity. 3. Check the coaxiality of the spindle and the fixed fixture of the parts. 4. Check and make sure the dimension of parts is accurate
Possible factors for surface hardness deviation The problem is that during the heating and quenching cycle, the heat treatment personnel notice that the surface hardness of the quench shaft changes significantly after the first induction quenching, whether the parts are rotated or not. Solution: There are at least two possible
Intermediate frequency induction heat treatment line equipment introduction The secondary coil of an intermediate frequency quenching transformer is an AC induction coil. The workpiece is placed in an ac induction coil and heated by an alternating magnetic field. Intermediate frequency induction steel pipe quenching and tempering, the heat treatment production
