Introduction to the production process of Shaped Steel Wire
Deformed steel wire production process generally includes selection of high quality wire rod - "pre pickling -" secondary pickling pickling - "-" water - high temperature phosphating (medium temperature phosphating) - and - "wipe - drying -" drawing.
Phosphating need generally adopt the method of resistance element heating, heating heating is pay attention to the slow and in order to avoid thermal shock, stable to control within a reasonable range, low temperature cannot raise and, general phosphating temperature don't checked in 100 degrees Celsius. Affect the quality of the profiled steel wire mainly has three aspects, the selection of raw materials, choose high quality wire rod, pickling to reach the designated position, phosphating to reach the designated position, do a good job in the three aspects, the basic can ensure the quality of Shaped Steel Wire.
There are many factors that need to be considered in the design of Shaped Steel Wire. This paper mainly discusses the aspects that should be taken into consideration in design.
The diameter of the profile wire
The diameter diameter of the Shaped Steel Wire affects other aspects of the Shaped Steel Wire. Therefore, according to the different requirements, the diameter of the different type of steel wire should be selected. The higher the mass of the different steel wire is, the higher the quality of the different steel wire is.
Work world number
Work world number is also different wire design, an important consideration, Shaped Steel Wire usually work world number, the more deformed steel wire tolerance, the greater the otherwise instead, so according to different steel wire on the number of mature ability to choose different steel wire circle.
Volume, weight, stability and other factors
When designing profiled steel wire, also consider other factors, such as size, volume and engineering machinery, appropriate excessive weight, stable and reliable performance, as well as service life and so on.
Shaped Steel Wire can not directly manufacture different steel wire, must pass a special surface treatment, has shaped steel wire has a tensile strength, compressive strength, fatigue resistance, friction, stable performance, long service life, corrosion resistant performance indicators, etc.
Surface treatment of Shaped Steel Wire
Generally include physical abrasion resistant treatment and chemical resistance, Shaped Steel Wire resistance to physical abrasion, and the use of special alloy materials, Shaped Steel Wire surface is wear-resisting, tensile, compressive strength and other special performance. Anti-chemical corrosion treatment, stainless steel or zinc plating on the surface of different steel wire, avoid chemical corrosion of Shaped Steel Wire and affect its service life.
The Shaped Steel Wire also needs lead bath treatment, and the purpose is to improve the chemical performance of the Shaped Steel Wire. The surface of the Shaped Steel Wire can ensure the long-term stability of the chemical performance.
There are many methods for the treatment of hetero-type wire waste liquid. Shaped Steel Wire The most common ones are liquid extraction, pickling, and immersion combustion method. The following is to introduce the immersion method. The impregnation of the Shaped Steel Wire is to mix the gas and other combustible gases with the air, and enter the burner to burn without flame through the speed tube. The combustion air flow from the bottom of the burning mouth in the evaporator to the waste liquid for intense heat exchange, heating up the waste water to evaporate and then condense. 42 crmo specific technological process is the acid pickling workshop of acid washing waste liquid into the liquid storage tank, pump into the evaporator in advance, then use acid in pre evaporator, acid pickle and after burning heat flow in the evaporator heat exchange, improve the liquid temperature. In the evaporator, the waste liquid is concentrated in the heat of combustion, and the concentrated solution is promoted to the crystallizer and stirred continuously.