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Su's heat treatment(Shenzhen)Co., Ltd.
Service Hotline 0755-29721819
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Cold die steel heat treatment technology
Description:cold diemain failure modeoverloadfailure,wear failure,failure andfatigue failureocclusalfour forms.


OrderHotline:400-6388-689



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The main failure in the form of cold mold overload failure , wear failure , failure and fatigue failure occlusal four forms .

( 1 ) overload failure. Failure mold material itself is not sufficient to resist the carrying capacity due to work load . When less prone to brittle fracture toughness and crack easily when there is insufficient strength upsetting deformation and failure . Cold heading and cold extrusion dies prone to such failure.

( 2 ) wear failure . Die working parts and the friction loss between the material to be processed , the working portion ( blade , punch ) to change the shape and size and cause failure. The size and quality of the work surfaces require high blanking die , extrusion die prone to such failure.

( 3 ) failure of engagement . Mold work site and be added to the friction material at high pressure , the lubricating film rupture bite - processed material " cold welding " to the mold surface , caused by scratches the surface quality of processed products , such as failure. In the drawing, bending modulus and prone to cold extrusion die such a failure.

( 4 ) Multi- punch fatigue failure . Cold mold to withstand impact loads are to a certain speed, and repeated the role of energy , and its working status with little more energy impulse fatigue testing similar. Due to the high mold material hardness , fatigue life and more and more rushed around 1000-5000 times , but accounted for the vast majority of crack initiation , fatigue crack growth area source and obvious . Multi- fatigue failure is common in heavy duty punch dies, such as cold extrusion , cold heading punch mold.

Su's heat treatment Co. Ltd. was founded in 1990, after decades of development, scale is continually expanding, is located in Shajing Town Baoan District Shenzhen City Bridge second industrial zone, covering an area of 3000 square meters, the main business is to take all the metal, alloy steel, beryllium copper, heat treatment of high speed steel, cryogenic treatment (-196 C), nitrogen gas, liquid nitrogen, QPQ salt bath production line, high-frequency quenching, blackening and carburizing, the surface of hard and stainless steel processing.
The company is equipped with power of heat treatment technology, established a perfect quality testing equipment, equipped with vacuum quenching furnace, vacuum furnace, pit furnace, furnace, liquid nitrogen atmosphere furnace, rotary furnace, large mesh belt furnace, improve metallographic inspection equipment, material failure analysis, scientific management and complete, rigorous technology, skilled operation.
Company will be excellent quality and perfect service, and actively challenge, satisfy customer demand, has passed ISO9001:2000 in 2003 September (SGS) international quality certification. Has now become a reputable manufacturers.


Austenitic stainless steel under different heat treatment techniques for the performance of the different resistance corrosion and wear resistance
Austenitic stainless steel under different heat treatment techniques for the performance of the different resistance to corrosion and wear properties of a great relationship: the number and morphology of precipitates in the pure wear conditions, no corrosion, material quality loss is influenced by mechanical factors.
Vacuum heat treatment of the problem
Vacuum heat treatment processing, the processing surface of the product is often a problem, "colored" areas appear. Obtain appearance of bright, no coloring effect is the common goal of product processing vacuum furnace manufacturers and users to pursue research and development.
Vacuum heat treatment technology to resolve
Comprehensive technology of vacuum heat treatment vacuum technology and heat treatment technology of two professional combination, refers to the heat treatment process of all or part of the vacuum condition. Is generally believed that the vacuum furnace is divided into high, high, medium and low vacuum.
Factors that affect the performance of the heat treatment
Today su shi heat treatment come to you of what the factors in the use of vacuum heat treatment furnace heat treatment will affect the performance of the heat treatment:
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Su's heat treatment (Shenzhen) Co., Ltd.  Guangdong ICP No. 14020634
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Company address: Shenzhen, Baisha bridge Second Industrial Zone No. 14

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