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Home> Company News> Yuanhang Industrial Furnace High Temperature Graphitization Furnace teaches you how to identify the advantages and disadvantages of graphite!

Yuanhang Industrial Furnace High Temperature Graphitization Furnace teaches you how to identify the advantages and disadvantages of graphite!

March 09, 2024
1. The flexural strength of the material

The flexural strength of a material is a direct reflection of the material's strength and shows the tightness of the material's internal structure. Materials with high strength have relatively good discharge loss resistance. For electrodes with high precision requirements, try to choose materials with better strength. For example: TTK-4 can meet the requirements of general electronic connector molds, but for some electronic connector molds with special precision requirements, TTK-5 material, which has the same particle size but slightly higher strength, can be used.

2. Shore hardness of material

In the subconscious understanding of graphite, graphite is generally considered to be a relatively soft material. However, actual test data and application conditions show that the hardness of graphite is higher than that of metal materials. In the special graphite industry, the common hardness testing standard is the Shore hardness measurement method, and its testing principle is different from that of metals. Due to the layered structure of graphite, it has very superior cutting performance during the cutting process. The cutting force is only about 1/3 of that of copper materials, and the machined surface is easy to handle.

However, due to its higher hardness, the loss of the tool during cutting will be slightly greater than that of metal cutting tools. At the same time, materials with high hardness have better control over discharge loss. In our company's EDM material system, there are two materials to choose from for materials with the same particle size that are widely used, one with slightly higher hardness and the other with slightly lower hardness to meet the needs of customers with different requirements. need. For example: materials with an average particle size of 5 μm include ISO-63 and TTK-50; materials with an average particle size of 4 μm include TTK-4 and TTK-5; materials with an average particle size of 2 μm include TTK-8 and TTK -9. Mainly considering the preferences of various types of customers for electrical discharge and machining.

Yuanhang Industrial Furnace uses a few simple methods to teach you how to identify the advantages and disadvantages of graphite!

 Yuǎnháng gōngyè lú gāowēn shímò huà lú jiào nín rúhé qù biànbié shímò de yōu liè! 1, Cáiliào de kàng zhé qiángdù cáiliào de kàng zhé qiángdù shì cáiliào qiángdù de zhíjiē tǐxiàn, xiǎnshì cáiliào nèibù jiégòu de jǐnmì chéngdù. Qiángdù gāo de cáiliào, qí fàngdiàn de nài sǔnhào xìngnéng xiāngduì jiào hǎo, duìyú jīngdù yāoqiú gāo de diànjí, jǐnliàng xuǎnzé qiángdù jiào hǎo de cáiliào. Bǐrú:TTK-4 kěyǐ mǎnzú yībān diànzǐ jiē chājiàn mújù de yāoqiú, dàn yǒuxiē yǒu tèshū jīngdù yāoqiú de diànzǐ jiē chājiàn mújù, kěyǐ xuǎnyòng tóngděng lì jìng, dàn qiángdù lüè gāo de cáiliào TTK-5 cáiliào. 2, Cáiliào de xiào shì yìngdù zài duì shímò de qiányìshí rènshí zhōng, shímò yībān huì bèi rènwéi shì yī zhǒng bǐjiào ruǎn de cáiliào. Dàn shíjì de cèshì shùjù jí yìngyòng qíngkuàng xiǎnshì, shímò de yìngdù yào bǐ jīnshǔ cáiliào gāo. Zài tèzhǒng shímò hángyè zhōng, tōngyòng de yìngdù jiǎnyàn biāozhǔn shì xiào shì yìngdù cèliáng fǎ, qí cèshì yuánlǐ yǔ jīnshǔ de cèshì yuánlǐ bùtóng. Yóuyú shímò de céng zhuàng jiégòu, shǐ qí zài qiēxiāo guòchéng zhōng yǒu fēicháng yōuyuè de qiēxiāo xìngnéng, qiēxiāo lì jǐn wèi tóng cáiliào de 1/3 zuǒyòu, jīxiè jiāgōng hòu de biǎomiàn yìyú chǔlǐ. Dàn yóuyú qí jiào gāo de yìngdù, zài qiēxiāo shí, duìyú dāojù de sǔnhào huì lüè dàyú qiēxiāo jīnshǔ de dāojù. Yǔ cǐ tóngshí, yìngdù gāo de cáiliào zài fàngdiàn sǔnhào fāngmiàn de kòngzhì bǐjiào yōuxiù. Zài wǒ sī de EDM yòng cáiliào tǐxì zhōng, duìyú yìngyòng jiào duō de tóngděng lì jìng de cáiliào jūn yǒu liǎng kuǎn cáiliào kě gōng xuǎnzé, yī zhǒng yìngdù lüè gāo, yī zhǒng yìngdù lüè dī, yǐ mǎnzú gè zhǒng bùtóng yāoqiú de kèhù de xūqiú. Rú: Píngjūn lì jìng wèi 5mm de cáiliào, yǒu ISO-63 hé TTK-50; píngjūn lì jìng wèi 4mm de cáiliào, yǒu TTK-4 hé TTK-5; píngjūn lì jìng wèi 2mm de cáiliào, yǒu TTK-8 hé TTK-9. Zhǔyào shi kǎolǜ dào gè zhǒng lèixíng de kèhù duìyú fàngdiàn hé jīxiè jiāgōng de piānzhòng fāngxiàng. Yuǎnháng gōngyè lú yòng jǐ gè jiǎndān fāngfǎ jiào nín rúhé qù biànbié shímò de yōu liè! 3, Cáiliào de píngjūn kēlì zhíjìng cáiliào de píngjūn kēlì zhíjìng zhíjiē yǐngxiǎng dào cáiliào fàngdiàn de zhuàngkuàng. Cáiliào de píngjūn kēlì yuè xiǎo, cáiliào dì fàngdiàn yuè jūnyún, fàngdiàn de zhuàngkuàng yuè wěndìng, biǎomiàn zhìliàng yuè hǎo. Duìyú biǎomiàn, jīngdù yāoqiú bù gāo de duànzào, yāzhù mújù, tōngcháng tuījiàn shǐyòng kēlì jiào cū de cáiliào, rú ISEM-3 děng; duìyú biǎomiàn, jīngdù yāoqiú jiào gāo de diànzǐ mújù, tuījiàn shǐyòng píngjūn lì jìng zài 4mm yǐxià de cáiliào, yǐ quèbǎo bèi jiāgōng mújù de jīngdù, biǎomiàn guāngjiédù. Cáiliào de píngjūn kēlì yuè xiǎo, cáiliào de sǔnhào qíngkuàng jiù yuè xiǎo, gè lízǐ tuán zhī jiān de zuòyòng lì jiù yuè dà. Bǐrú: Tōngcháng tuījiàn zài jīngmì yāzhù mújù, duànzào mújù fāngmiàn,ISEM-7 yǐ zúyǐ mǎnzú yāoqiú; dàn kèhù duìyú jīngdù yāoqiú tèbié gāo shí, tuījiàn shǐyòng TTK-50 huò ISO-63 cáiliào, yǐ quèbǎo gèng xiǎo de cáiliào sǔnhào, cóng'ér bǎozhèng mújù de jīngdù hé biǎomiàn cūcāo dù. Tóngshí, kēlì yuè dà, fàngdiàn de sùdù jiù yuè kuài, cū jiāgōng de sǔnhào yuè xiǎo. Zhǔyào shi fàngdiàn guòchéng de diànliú qiángdù bùtóng, dǎozhì fàngdiàn de néngliàng dàxiǎo bù yī. Dàn fàngdiàn hòu de biǎomiàn guāngjiédù yě suízhe kēlì de biànhuà ér biànhuà. Shímò cáiliào 4, cáiliào de gùyǒu diànzǔ lǜ gēnjù wǒ sī duìyú cáiliào de tèxìng tǒngjì, rúguǒ cáiliào de píngjūn kēlì xiāngtóng, diànzǔ lǜ dà dì fàngdiàn sùdù huì bǐ diànzǔ lǜ xiǎo de màn. Duìyú tóngděng píngjūn lì jìng de cáiliào, diànzǔ lǜ xiǎo de cáiliào, qí qiángdù hé yìngdù yě huì xiāngyìng lüè dī yú diànzǔ lǜ gāo de cáiliào. Jí, fàngdiàn de sùdù, sǔnhào huì yǒu suǒ bùtóng. Gùcǐ, gēnjù shíjì yìngyòng de xūyào xuǎnzé cáiliào fēicháng zhòngyào. Yóuyú fěnmò yějīn de tèshū xìng, duìyú měi yīgè pīhào cáiliào de gè cānshù dōu yǒu qí cáiliào de dàibiǎo zhí yǒu yīdìng de bōdòng fànwéi. Dàn tóngyī dàngcì de shímò cáiliào, qí fàngdiàn xiàoguǒ fēicháng jiējìn, yóuyú gè zhǒng cānshù zàochéng de yìngyòng xiàoguǒ de chāyì fēicháng xiǎo. Shímò cáiliào diànjí cáiliào de xuǎnzé zhíjiē guānxì dào fàngdiàn de xiàoguǒ, zài hěn dà chéngdù shàng cáiliào de xuǎnqǔ shìfǒu qiàdàng, juédìngle fàngdiàn sùdù, jiāgōng jīngdù yǐjí biǎomiàn cūcāo dù de zuìzhōng qíng zhǎngwò yǐshàng jǐ diǎn, duì wǒmen zài biànbié shímò cáiliào děngjí shàng yǒu hěn dà de zhūzhōu yuǎnháng gōngyè lú kējì yǒuxiàn gōngsī shì yījiā zhuānyè tígōng gè zhǒng rèchǔlǐ shèbèi de chéngtào jiějué fāng'àn de xīnxíng kējì qǐyè. Gōngsī mùqián zhòngdiǎn shēngchǎn gè zhǒng guīgé gāowēn shímò huà lú jí tànhuà lú, wèi kèhù tígōng gāo kējì, gāo pǐnzhí, gāo xìngjiàbǐ de rèchǔlǐ shèbèi. 1,403 / 5,000 Yuanhang Industrial Furnace High Temperature Graphitization Furnace teaches you how to identify the advantages and disadvantages of graphite!


3. The average particle diameter of the material

The average particle diameter of the material directly affects the discharge status of the material. The smaller the average particle size of the material, the more uniform the discharge of the material, the more stable the discharge situation, and the better the surface quality.

For forging and die-casting molds with low surface and precision requirements, it is usually recommended to use materials with coarser particles, such as ISEM-3; for electronic molds with high surface and precision requirements, it is recommended to use materials with an average particle size below 4 μm. To ensure the accuracy and surface finish of the processed mold. The smaller the average particle size of the material, the smaller the loss of the material, and the greater the force between each ion group. For example: It is usually recommended that ISEM-7 is sufficient to meet the requirements for precision die-casting molds and forging molds; but when customers have particularly high accuracy requirements, it is recommended to use TTK-50 or ISO-63 materials to ensure smaller material loss, thus Ensure the accuracy and surface roughness of the mold.

At the same time, the larger the particles, the faster the discharge speed and the smaller the loss during rough machining. The main reason is that the current intensity of the discharge process is different, resulting in different amounts of discharge energy. But the surface finish after discharge also changes with the changes in the particles. graphite material

4. Inherent resistivity of materials

According to our company's statistics on material characteristics, if the average particles of the material are the same, the discharge speed of a material with a large resistivity will be slower than that of a small resistivity. For materials with the same average particle size, the strength and hardness of materials with small resistivity will be slightly lower than those with high resistivity. That is, the discharge speed and loss will be different. Therefore, it is very important to select materials according to the needs of the actual application.

Due to the particularity of powder metallurgy, each parameter of each batch of material has its representative value with a certain fluctuation range. However, the discharge effects of graphite materials of the same grade are very similar, and the difference in application effects caused by various parameters is very small. graphite material

The selection of electrode materials is directly related to the discharge effect. To a large extent, the appropriate selection of materials determines the final conditions of discharge speed, processing accuracy and surface roughness.

Mastering the above points will be of great help to us in identifying the grade of graphite materials.

Zhuzhou Yuanhang Industrial Furnace Technology Co., Ltd. is a new technology enterprise specializing in providing complete solutions for various heat treatment equipment. The company currently focuses on the production of high-temperature Graphitization Furnaces and carbonization furnaces of various specifications, providing customers with high-tech, high-quality, cost-effective heat treatment equipment.
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