ZCMM for you to analyze process characteristics powder metallurgy products

In the process the metal mechanical parts, the iron-based powder metallurgy formulation process of application is very common, the iron-based powder metallurgy formulation process is mainly the quenching process, quenching purpose is to allow the iron-based powder after martensite transformation to give specific organization, and then with a different temperature tempering, powder metallurgy products, to improve the strength and wear resistance.

To meet the different requirements of powder metallurgy products, but also by the iron-based powder metallurgy technology for the formulation of special properties of the products processed. Iron-based powder metallurgy formulation process is characterized by the use of a vibration loading powder method to change the density of distribution, making powder metallurgy distribution, to prevent uneven added to discontent, reduce cracking and failure occurs when induction hardening . Iron-based powder metallurgy formulation process can reduce high-frequency induction heating quenching frequency induction heating equipment, reduce the heating rate, reduce the hardness difference is heated and unheated areas, so that produce hardness buffers, reducing the risk of cracking.

In the iron-based powder metallurgy formulation process, and cracks should use a dedicated jig to reduce high-frequency effects, internal workpiece using cooling water to alleviate the amount of heat inside the powder metallurgy products, reducing the stress and thermal stress uneven. With iron-based powder metallurgy formulation process in production, effectively prevent the occurrence of the crack phenomenon of powder metallurgy products. Let the passing rate of the workpiece is greatly improved.

In the process the metal mechanical parts, the iron-based powder metallurgy formulation process of application is very common, the iron-based powder metallurgy formulation process is mainly the quenching process, quenching purpose is to allow the iron-based powder after martensite transformation to give specific organization, and then with a different temperature tempering, powder metallurgy products, to improve the strength and wear resistance.

To meet the different requirements of powder metallurgy products, but also by the iron-based powder metallurgy technology for the formulation of special properties of the products processed. Iron-based powder metallurgy formulation process is characterized by the use of a vibration loading powder method to change the density of distribution, making powder metallurgy distribution, to prevent uneven added to discontent, reduce cracking and failure occurs when induction hardening. Iron-based powder metallurgy formulation process can reduce high-frequency induction heating quenching frequency induction heating equipment, reduce the heating rate, reduce the hardness difference is heated and unheated areas, so that produce hardness buffers, reducing the risk of cracking.

In the iron-based powder metallurgy formulation process, and cracks should use a dedicated jig to reduce high-frequency effects, internal workpiece using cooling water to alleviate the amount of heat inside the powder metallurgy products, reducing the stress and thermal stress uneven. With iron-based powder metallurgy formulation process in production, effectively prevent the occurrence of the crack phenomenon of powder metallurgy products. Let the passing rate of the workpiece is greatly improved.

What are the advantages of MIM powder injection molding bearings?

MIM powder injection factory ZCMIM （http://www.zcmim.com/）is specialized in the development, production and sales of powder metallurgy products. The rapid development of powder metallurgy industry leads to development and application of powder metallurgy products- powder metallurgy bearing.

Powder metallurgy bearings are forming from metal powders and other anti-friction material powder pressing, sintering, shaping and immersion oil. They have porous structure,  among the pores filled with oil after invasion hot oil. Rotation of pump suction and friction heat result in thermal expansion of metal and oil while working, and oil out of the pores then lubricate the friction surface. Oil sucked back into the pores after bearing cooling.

  

Powder metallurgy bearings don’t need lubrication for a long time. The higher porosity for PM bearing, the more oil. But the more the pores, the lower its strength. These bearings are often in mixed lubrication state, and sometimes can form a film lubrication, commonly be used in absence of supplemental lubricants, light load and low speed situation. Depending on operating conditions choose different oil rates of powder metallurgy bearing.

Large oil content can be applied in the absence of supplemental lubricants and low load; low oil content can be applied for heavy load and high speed. With graphite powder metallurgy bearings can improve safety because of graphite itself lubrication. But its drawback is low intensity. In the case of non-corrosive, it can consider choosing inexpensive, high strength iron-based powder metallurgy bearings, but the hardness of the mating journal should be raised.

What are the advantages of MIM powder injection molding bearings?

MIM powder injection factory ZCMIM （http://www.zcmim.com/）is specialized in the development, production and sales of powder metallurgy products. The rapid development of powder metallurgy industry leads to development and application of powder metallurgy products- powder metallurgy bearing.

Powder metallurgy bearings are forming from metal powders and other anti-friction material powder pressing, sintering, shaping and immersion oil. They have porous structure,  among the pores filled with oil after invasion hot oil. Rotation of pump suction and friction heat result in thermal expansion of metal and oil while working, and oil out of the pores then lubricate the friction surface. Oil sucked back into the pores after bearing cooling.

  

Powder metallurgy bearings don’t need lubrication for a long time. The higher porosity for PM bearing, the more oil. But the more the pores, the lower its strength. These bearings are often in mixed lubrication state, and sometimes can form a film lubrication, commonly be used in absence of supplemental lubricants, light load and low speed situation. Depending on operating conditions choose different oil rates of powder metallurgy bearing.

Large oil content can be applied in the absence of supplemental lubricants and low load; low oil content can be applied for heavy load and high speed. With graphite powder metallurgy bearings can improve safety because of graphite itself lubrication. But its drawback is low intensity. In the case of non-corrosive, it can consider choosing inexpensive, high strength iron-based powder metallurgy bearings, but the hardness of the mating journal should be raised.