Double metal saw belt single furnace multiple cycle temper tempering heat treatment method
A heat treatment method and multiple cycle technology, applied in heat treatment furnaces, heat treatment equipment, furnaces, etc., can solve the problems of large equipment footprint, difficulty in improving production efficiency, production capacity, and long process time, so as to reduce labor Intensity, reducing the difficulty of sandblasting, and reducing energy consumption
Active Publication Date: 2009-01-21
BICHAMP CUTTING TECH HUNAN
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Problems solved by technology
Tail fins, knife bends, and even decarburization occur from time to time; in addition, the process takes a long time and the equipment occupies a large area. It is difficult to improve production efficiency and production capacity with existing sites and equipment.
Method used
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[0014] Referring to Fig. 1, the method of the present invention is, at the two ends of a tempering furnace 8, one or more rotary discs are respectively arranged, and the bimetallic saw band 11 that goes around through the continuous operation of the rotary disc 5 first starts from one end of the tempering furnace 8 ( Right end) into the furnace, the bimetal saw band 11 passes through the tempering furnace 8 and comes out from the other end (left end) of the tempering furnace 8; After the first rotary disc 10 rotates, enter the tempering furnace 8 again, pass through the tempering furnace 8 for the second time and come out from the one end (right end) of the tempering furnace 8; The second rotary disk 6 at one end (right end) is rotated and enters the tempering furnace 8 again and passes through the tempering furnace 8 for the third time, and then comes out from the other end (left end) of the tempering furnace 8; Stove 8 and pass through tempering furnace 8 again through the t...
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The invention relates to a single-furnace multicycle tempering heat treatment method for a bimetal saw belt. The method comprises the following steps: firstly, a rotary disc is respectively arranged on both ends of a tempering furnace and the continuously operated bimetal saw belt enters into the furnace from one end of the tempering furnace, passes through the tempering furnace and comes out from the other end of the tempering furnace; secondly, the bimetal saw belt is revolved through a first rotary disc on the other end of the tempering furnace, enters into the tempering furnace again, passes through the tempering furnace for the second time and comes out from one end of the tempering furnace; and thirdly, the bimetal saw belt is revolved through a second rotary disc on one end of the tempering furnace, enters into the tempering furnace again, passes through the tempering furnace for the third time and comes out from the other end of the tempering furnace, wherein the bimetal saw belt passes through a section of cooling zone when coming out from the tempering furnace each time. The number for the bimetal saw belt repeatedly passing through the tempering furnace can be over two. The method greatly reduces the energy consumption, lightens the labor intensity, obviously shortens the production period and has good stability of the saw belt product quality.
Description
technical field [0001] The invention relates to a metal heat treatment process, in particular to a single-furnace multi-cycle tempering heat treatment method for bimetallic saw bands. Background technique [0002] The internal quality of bimetallic saw bands has a great relationship with the level of heat treatment technology, and both at home and abroad attach great importance to the continuous innovation and improvement of the technology level of double-belt heat treatment. Due to the thin body of the bimetal saw band, the two materials are compounded and processed, and the special quenching and tempering process of nitrogen protection is adopted, so as to obtain the different hardness quality and bright effect of the two materials. This is a very successful and advanced manufacturing technology for bimetallic saw bands. At present, this process and equipment technology are very mature, which has played a very important role in the development of band saw cutting process a...
Claims
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Inventor 韩季初李辉李栋梁陈磊
Owner BICHAMP CUTTING TECH HUNAN