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invention patent heat treated producing process heat treated grinding rod
  • US5902423A Heat treatment of grinding rod Google

    A process for heat treating a steel bar to produce a grinding rod having a softer core of at least 99% pearlite and having a hardness of less than 45 Rockwell C, an outer shell of martensite having a hardness of at least 50 Rockwell C and softer end portions having a hardness of less than 35 Rockwell C, where the softer end portions each having an engineered heat treated length less than 15 cm

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  • US Patent for Heat treatment of grinding rod Patent

    A process for heat treating a steel bar to produce a grinding rod having a softer core of at least 99% pearlite and having a hardness of less than 45 Rockwell C, an outer shell of martensite having a hardness of at least 50 Rockwell C and softer end portions having a hardness of less than 35 Rockwell C, where the softer end portions each having an engineered heat treated length less than 15 cm

  • US6074765A Grinding rod chemistry and method of heat

    A grinding rod chemistry enhances wearability and durability of a steel rod and comprises levels of carbon to achieve a surface hardness in excess of 55 Rockwell C and levels of chromium which achieve significant depth in the formed outer martensite shell. The grinding rod has a core greater than 99% pearlite with a hardness less than 45 Rockwell C and the end portions of the rod are soft and

  • US3170641A Treated grinding rods Google Patents

    US3170641A Treated grinding rods Google Patents Treated grinding rods Download PDF Info Publication number US3170641A. US3170641A US145251A US14525161A US3170641A US 3170641 A US3170641 A US 3170641A US 145251 A US145251 A US 145251A US 14525161 A US14525161 A US 14525161A US 3170641 A US3170641 A US 3170641A Authority US United States Prior art keywords rod rods grinding

  • Grinding rod chemistry and method of heat treatment to

    A grinding rod chemistry enhances wearability and durability of a steel rod and comprises levels of carbon to achieve a surface hardness in excess of 55 Rockwell C and levels of chromium which achieve significant depth in the formed outer martensite shell. The grinding rod has a core greater than 99% pearlite with a hardness less than 45 Rockwell C and the end portions of the rod are soft and

  • Heat treatment of grinding rod Stelco Inc.

    11/05/1999· A process for heat treating a steel bar to produce a grinding rod having a softer core of at least 99% pearlite and having a hardness of less than 45 Rockwell C, an outer shell of martensite having a hardness of at least 50 Rockwell C and softer end portions having a hardness of less than 35 Rockwell C where said softer end portions each have an engineered heat treated length less than 15

  • US Patent for Grinding rod and method for production

    This invention relates to improved heat treated rods, such as grinding rods, for use in conventional rotating grinding mills or rod mills wherein material such as ore, stone and the like is comminuted, and to a method for production of such improved grinding rods by variable quenching. More specifically, the improved grinding rod of the present invention comprises a monolithic cylindrical

  • US3255053A Method for manufacturing treated grinding

    Method for manufacturing treated grinding rods Download PDF Info Publication number US3255053A. US3255053A US39684864A US3255053A US 3255053 A US3255053 A US 3255053A US 39684864 A US39684864 A US 39684864A US 3255053 A US3255053 A US 3255053A Authority US United States Prior art keywords rod rods quenching grinding furnace Prior art date 1961-10-16 Legal status (The

  • theat treatment grinding ball mill

    Heat treatment process for high chromium grinding ball . The ball mill is a key piece of equipment for grinding crushed materials, and it is widely used in production lines for powders such as cement, silicates, refractory material, fertilizer, glass ceramics, etc. as well as for ore dressing of both ferrous and nonferrous metals. The ball mill can grind various ores and other materials either

  • Process for producing unsintered cristobalite silica

    The heat-treatment in the process of the present invention may be carried out in the atmosphere of for instance oxygen, gaseous carbon dioxide, if necessary, of an inert gas such as nitrogen, argon. Air is preferable for practical use. The apparatus for carrying out the heat-treatment may be one capable of keeping the silica at a predetermined temperature and includes for instance a tubular

  • A Comparison of Manufacturing Technologies in the

    post forging heat-treatment. In addition, the weight of the connecting rod could be reduced by 15% without any reduction in mechanical properties[13]. In 1992, Olaniren and Stickels obtained a patent for crackable wrought forged connecting rods[14]. In this process, two notches are made on the split line for the rod and cap 180 o opposite from

  • heat treat oven definition English

    Then we put it back into the heat treating oven at five hundred seventy five degrees for about four hours to temper it. patents-wipo. A heat treating oven incorporating at least one oven section (8, 8a, 8b), built in a modular system, and where the inner sides (13, 17) of the oven walls at least partly are provided with reflecting material and support a number of infra-red radiating

  • Forging of Aluminum Alloys Light Metal Age Magazine

    10/07/2019· This group of patents focuses on aluminum forging applications. US10260357 — STEAM TURBINE ROTOR, STEAM TURBINE INCLUDING SAME, AND THERMAL POWER PLANT USING SAME — Hitachi Power Systems, Ltd. (Japan) — It is an objective of the invention to provide a steam turbine rotor of which a rotor shaft is made of a low-cost heat

  • grinding rod results

    A process for heat treating a steel bar to produce a grinding rod having a softer core of at least 99 pearlite and having a hardness of less than 45 Rockwell C an outer shell of martensite having a hardness of at least 50 Rockwell C and softer end portions having a hardness of less than 35 Rockwell C where the softer end portions each having an engineered heat treated

  • SOLUTION HEAT TREATMENT OF 6201 ALUMINUM

    Briefly described, the invention of U. S. Patent No. 3,613,767 comprised a method of continuously manufacturing aluminum base 0,O alloy rod, such as 6201 Aluminum Alloy rod, without the necessity of reheating the ingot or the rod during the process. The bar emerging from a continuous casting machine was passed through a rolling mill, a quench tube, and then cooled in a continuous •u -process

  • International Patents on Aluminum Anodizing Light

    17/09/2019· US10335924 — METHOD AND BLASTING MEANS FOR PRODUCING A SATINIZED FINISH ON AN ALUMINUM SUBSTRATE — Vulkan Inox GmbH (Germany) — A method and a blasting material for producing a satinized surface on an aluminum substrate is provided.There is proposed a method for producing a satinized surface on an aluminum substrate, including the steps of: providing an aluminum substrate and treating

  • Technology Innovation in Aluminum Products

    When it was necessary to make alloy 2117 extrusions that werelonger than existing heat-treatment furnaces, hand-held hoses were used to water-quench the extrusions on the runout table. 29 At about this same time, alloy 6053-T5 was introduced, meeting mechanical property limits by cooling in ambient air on the runout table. As customers required larger-diameter

  • Heat Treatment, Selection, And Application Of Tool Steels

    I bought this book about a year ago in order to understand the heat treating process of common tool steels. It is a well written set of "recipes" for the hobby and home shop machinist. It is not a canonical text on metallurgy.So far I have used it to heat treat several projects that I used A2 (air hardening) tool steel in. I found the directions easy to follow and got the desired results

  • heat treated grinding media steel rods Latest news

    heat treated grinding media steel rods Latest news from Suizhou Gaincin Machinery Co.,Ltd 10-Aug-2017 Over a Decade of Experience| Suizhou Gaincin Machinery Co.ltd (GAINCIN) has been one of the most professional grinding media ball manufacturers for over 10 years. We carry out research, development, manufacture and sales under one roof. We are also a TS16949

  • Patent search, search patents and inventions, was in the

    SUBSTANCE: invention relates to fodder production, namely to method for producing a moist canned food for unproductive animals. Method comprises grinding the raw ingredients, then cutting them, packing the resulting mixture into cans and sterilizing to obtain the final product. Ingredients of animal origin are ground in a top with a lattice diameter of not more than 16 mm.

  • A Comparison of Manufacturing Technologies in the

    post forging heat-treatment. In addition, the weight of the connecting rod could be reduced by 15% without any reduction in mechanical properties[13]. In 1992, Olaniren and Stickels obtained a patent for crackable wrought forged connecting rods[14]. In this process, two notches are made on the split line for the rod and cap 180 o opposite from

  • heat treat oven definition English

    Then we put it back into the heat treating oven at five hundred seventy five degrees for about four hours to temper it. patents-wipo. A heat treating oven incorporating at least one oven section (8, 8a, 8b), built in a modular system, and where the inner sides (13, 17) of the oven walls at least partly are provided with reflecting material and support a number of infra-red radiating tubes (15

  • Forging of Aluminum Alloys Light Metal Age Magazine

    10/07/2019· This group of patents focuses on aluminum forging applications. US10260357 — STEAM TURBINE ROTOR, STEAM TURBINE INCLUDING SAME, AND THERMAL POWER PLANT USING SAME — Hitachi Power Systems, Ltd. (Japan) — It is an objective of the invention to provide a steam turbine rotor of which a rotor shaft is made of a low-cost heat resistant ferritic steel and that

  • SOLUTION HEAT TREATMENT OF 6201 ALUMINUM

    Briefly described, the invention of U. S. Patent No. 3,613,767 comprised a method of continuously manufacturing aluminum base 0,O alloy rod, such as 6201 Aluminum Alloy rod, without the necessity of reheating the ingot or the rod during the process. The bar emerging from a continuous casting machine was passed through a rolling mill, a quench tube, and then cooled in a continuous •u -process

  • International Patents on Aluminum Anodizing Light

    17/09/2019· US10335924 — METHOD AND BLASTING MEANS FOR PRODUCING A SATINIZED FINISH ON AN ALUMINUM SUBSTRATE — Vulkan Inox GmbH (Germany) — A method and a blasting material for producing a satinized surface on an aluminum substrate is provided.There is proposed a method for producing a satinized surface on an aluminum substrate, including the steps of: providing an aluminum substrate and treating

  • Technology Innovation in Aluminum Products

    When it was necessary to make alloy 2117 extrusions that werelonger than existing heat-treatment furnaces, hand-held hoses were used to water-quench the extrusions on the runout table. 29 At about this same time, alloy 6053-T5 was introduced, meeting mechanical property limits by cooling in ambient air on the runout table. As customers required larger-diameter products from this alloy, it was

  • Tempering (metallurgy) Wikipedia

    Tempering is a process of heat treating, which is used to increase the toughness of iron-based alloys.Tempering is usually performed after hardening, to reduce some of the excess hardness, and is done by heating the metal to some temperature below the critical point for a certain period of time, then allowing it to cool in still air. The exact temperature determines the amount of hardness

  • heat treated grinding media steel rods Latest news from

    heat treated grinding media steel rods Latest news from Suizhou Gaincin Machinery Co.,Ltd 10-Aug-2017 Over a Decade of Experience| Suizhou Gaincin Machinery Co.ltd (GAINCIN) has been one of the most professional grinding media ball manufacturers for over 10 years. We carry out research, development, manufacture and sales under one roof. We are also a TS16949-SGS,ISO 9001 &

  • Heat Treatment, Selection, And Application Of Tool Steels

    I bought this book about a year ago in order to understand the heat treating process of common tool steels. It is a well written set of "recipes" for the hobby and home shop machinist. It is not a canonical text on metallurgy.So far I have used it to heat treat several projects that I used A2 (air hardening) tool steel in. I found the directions easy to follow and got the desired results

  • Patent search, search patents and inventions, was in the

    SUBSTANCE: invention relates to fodder production, namely to method for producing a moist canned food for unproductive animals. Method comprises grinding the raw ingredients, then cutting them, packing the resulting mixture into cans and sterilizing to obtain the final product. Ingredients of animal origin are ground in a top with a lattice diameter of not more than 16 mm. Kuttering is