17

2019-07

Classification Of Heat Treatment Process

According to the heating and cooling mode and the characteristics of steel microstructure and properties: 1.General heat treatment 1)Annealing 2)Normalizing 3)Quenching 4)Tempering 2.Surface heat treatment 1)Surface quench...

17

2019-07

Annealing And Normalizing Of Steel

The general processing technology of mechanical parts is: rough (casting, forging) →preliminary heat treatment → machining → final heat treatment. Annealing and normalizing are mainly used for preliminary heat treatment, and are considered ...

16

2019-07

Tempering Of Steel

Tempering is the process of heating hardened steel to a temperature below A1 and then cooling it. First, the purpose of tempering 1, reduce or eliminate the quenching internal stress, prevent deformation or cracking. 2,To obtain the r...

15

2019-07

Chemical Heat Treatment Of Steel

·Chemical heat treatment is to place the workpiece in a specific medium for heat preservation ·The active atoms in the medium infiltrate into the surface of the workpiece to change the chemical composition and organization of the surface of...

15

2019-07

Hardenability Of Steel

Hardenability is the main heat treatment performance of steel. It is one of the important bases for material selection and heat treatment process. 1.Concept of hardenability ·Hardenability refers to the ability of steel to obtain the ...

12

2019-07

Quenching Of Steel

Quenching is a heat treatment process that heats the steel to a critical point and cools it at a rate greater than Vk after heat preservation so as to convert austenite into martensite. Quenching is one of the most widely used heat treatmen...

12

2019-07

Surface Hardening Of Steel

Surface quenching is a heat treatment method that USES rapid heating to harden the surface austenitization without changing the chemical composition and heart structure of steel. Surface quenching purpose: surface hard inside tough So that t...

08

2019-07

Induction Heating Machine To Egypt

We just shipped two sets of induction heating machine to Egypt. The customer required to use this machine for the induction heating of steel bar. The steel bar’s diameter is 18mm and 150mm long. The customer wants to heat the steel bar to m...

08

2019-07

Quenching Sensor Failure Case And Life Improvement Approach-4

8. The effective nose tip is melted, and the magnetizer is cracked. The inductor will melt and thicken the copper tip after a period of use. The magnetizer at this place is cracked. Some of the effective rings have welds in the part, and the w...

08

2019-07

Quenching Sensor Failure Case And Life Improvement Approach-3

4. When a silicon steel sheet is used as a magnet for magnetism between the laminations, the end magnets are easily overheated and burnt at the end of the magnetizer because of the three-dimensional field. These silicon steel sheets will gener...