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Balling parameter setting method of wire-feeding balling process

A technology of process balls and parameters is applied in the field of spheroidization parameter setting in the feeding spheroidization process, which can solve the problems of waste of wire feeding materials, scrapped castings, poor spheroidization, etc. Effect

Inactive Publication Date: 2020-10-30
山东常林铸业有限公司 +1
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Problems solved by technology

[0002] At present, the production of nodular cast iron in foundries has gradually introduced the wire-feeding spheroidization process. Compared with the traditional "sandwich" process, this process has better advantages. When the wire-feeding spheroidization process is implemented, the process parameter standards need to be designed, and the parameter settings should be based on the production of products. The length of pouring time of each bag, the temperature of tapping temperature and the length of transfer time of molten iron at the production site, design the process parameters suitable for each product. If the parameters are not set properly, poor or excessive nodularization will easily occur, resulting in castings The problem of scrapping and wasting wire-feeding materials, therefore, it is necessary to design a method for setting parameters of wire-feeding spheroidization process suitable for different products

Method used

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  • Balling parameter setting method of wire-feeding balling process
  • Balling parameter setting method of wire-feeding balling process

Examples

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Embodiment 1

[0019] A method for setting parameters of the spheroidization process of feeding silk spheroidization described in this embodiment includes the following process steps:

[0020] (1) According to the product characteristics, design the tapping amount, tapping temperature and pouring temperature parameters of the product;

[0021] (2) According to the amount of iron in each bag of molten iron and the temperature of the iron, design the number of meters of feeding wire used for each bag of molten iron and the parameters of the wire speed;

[0022] (3) Number the product type and correspond to the number of meters of the wire feeding wire and the wire speed parameters of the product;

[0023] (4) According to the product type, select the product type number, and perform spheroidization according to the number of meters of the wire feeding line corresponding to the number and the wire speed parameters, so as to achieve the effect of stable product quality.

[0024] Specifically, t...

Embodiment 2

[0043] This example takes the end cap product with a tapping temperature of 1520°C as an example:

[0044] (1) Through experiments, according to the amount of iron tapping and the temperature of the iron tapping, the corresponding feeding wire meter and feeding speed are set. After the molten iron is spheroidized, it is detected by a spectrometer to confirm whether the residual magnesium value meets the process requirements: end cover The products were tested for 20 meters, 21 meters and 22 meters respectively through the number of incoming wire meters, and the incoming wire speeds were tested for 23 m / min, 24 m / min, and 25 m / min. The following experimental data were obtained:

[0045] Iron output (kg) 1000 1000 1000 Tapping temperature (℃) 1525 1521 1528 Incoming line meters (meters) 20 21 22 Line speed (m / s) 23 24 25 Residual magnesium content (Baotou) 0.038 0.045 0.055 Residual magnesium content (package tail) 0.032 0.038 ...

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Abstract

The invention relates to the technical field of processing technologies, in particular to a balling parameter setting method of a wire-feeding balling process, and s relates to a designing and optimization method applicable to technological parameters of a nodular cast iron end cover and brake product balling treatment technology. With the balling parameter setting method of the wire-feeding balling process, the technological parameters suitable for each product can be designed according to the thicknesses, weights and casting temperatures of product and product technological requirements of customers, corresponding parameters are selected for balling when needing to make different products, and then the requirement on stable quality can be achieved.

Description

technical field [0001] The present invention relates to the technical field of processing technology, in particular to a method for setting parameters of the spheroidization process of feeding wire spheroidization, in particular to a method for setting the technical parameters of the spheroidization process of nodular cast iron end caps, brakes, elbows, and pipe clamps. design and optimization methods. Background technique [0002] At present, the production of nodular cast iron in foundries has gradually introduced the wire-feeding spheroidization process. Compared with the traditional "sandwich" process, this process has better advantages. When the wire-feeding spheroidization process is implemented, the process parameter standards need to be designed, and the parameter settings should be based on the production of products. The length of pouring time of each bag, the temperature of tapping temperature and the length of transfer time of molten iron at the production site, ...

Claims

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Application Information

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IPC IPC(8): B22D1/00C21C1/10C22C33/08C22C37/04
CPCB22D1/00C21C1/105C22C33/08C22C37/04
Inventor 朱孔乾韩明胜杨阳张磊孟宪春
Owner 山东常林铸业有限公司
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