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Processing method of 1050 aluminum alloy drug cap material

A processing method and technology of aluminum alloy, applied in the direction of temperature control, etc., can solve the problem that the tensile strength and ear-making rate cannot meet the special requirements of the performance of 1050 aluminum alloy aluminum pharmaceutical cover material, etc.

Pending Publication Date: 2021-06-11
中铝河南洛阳铝加工有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Neither the tensile strength nor the lug rate can meet the customer's special requirements for the performance of the 1050 aluminum alloy aluminum pharmaceutical cover material

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Example 1: The 480×1260×5500mm cast ingot formed by sawing and milling is subjected to homogenization heating, hot rolling, cold rolling, billet rolling, intermediate annealing and cold rolled finished product rolling. The process parameters involved are as follows: (1) The heating temperature in the ingot homogenization heating process is 565°C, and the heating time is 23h; (2) The final rolling temperature of the hot-rolled coil is 295°C; (3) The cold-rolling pass processing rate of the cold-rolled coil after intermediate annealing is 80%; (4) The intermediate annealing process includes two stages, the temperature and time of the first stage are 460°C and 6.5h, respectively, and the temperature and time of the second stage are 415°C and 4.5h, respectively.

[0029] After executing the above process, the tensile strength of the finished 1050 aluminum alloy pharmaceutical cover material was finally tested to be 152Mpa, the elongation rate was 2.8%, and the ear making rat...

Embodiment 2

[0030] Example 2: The 480×1260×5500mm cast ingot formed by sawing and milling is subjected to homogenization heating, hot rolling, cold rolling, billet rolling, intermediate annealing and rolling of cold rolled finished products. The process parameters involved are as follows: (1) The heating temperature in the ingot homogenization heating process is 575°C, and the heating time is 26h; (2) The final rolling temperature of the hot-rolled coil is 310°C; (3) The cold-rolling pass processing rate after the intermediate annealing of the cold-rolled coil is 85%; (4) The intermediate annealing process includes two stages, the temperature and time of the first stage are 465°C and 7.5h, respectively, and the temperature and time of the second stage are 425°C and 5.5h, respectively.

[0031] After executing the above process, the tensile strength of the finished 1050 aluminum alloy pharmaceutical cover material was finally tested to be 159Mpa, the elongation rate was 3.5%, and the ear ma...

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Abstract

The invention discloses a processing method of a 1050 aluminum alloy drug cap material. A drug cap material product is obtained after heating, hot rolling, cold rolling, cleaning, trimming and finished product inspection are carried out on a sawn and milled cast ingot; wherein intermediate annealing process treatment is carried out in the cold rolling process, the intermediate annealing process comprises two stages of annealing processes, the temperature of the first stage of annealing is 455 DEG C-465 DEG C, the time of the first stage of annealing is 6.5 H-7.5 h, the temperature of the second stage of annealing is 415 DEG C-425 DEG C, and the time of the second stage of annealing is 4.5 h-5.5 h; and the finish rolling temperature of hot rolling is 295 DEG C-310 DEG C, and the cold rolling pass processing rate after the intermediate annealing process is 80%-85%. By means of the processing method, the tensile strength of the 1050 aluminum alloy drug cap material can be improved, the earing rate can be reduced, and the requirements of customers for the performance of the drug cap material can be met.

Description

technical field [0001] The invention belongs to the field of processing aluminum and aluminum alloy nonferrous metal materials, and in particular relates to a processing method for a 1050 aluminum alloy drug cover material. Background technique [0002] At present, with the rapid development of the biopharmaceutical industry, pharmaceutical manufacturers have higher and higher standards for drug packaging design. Oral liquid aluminum pharmaceutical caps are used as pharmaceutical packaging materials for oral liquid glass bottles, and are the main components of pharmaceutical packaging such as antibiotics. One of the components, it has excellent sealing, aesthetics and flexibility, and is widely used in the biomedical industry. Today, my country is continuously introducing and upgrading biomedical machinery and materials, and the industrial production of aluminum pharmaceutical caps has shown a new situation. [0003] The typical technical route of 1050 aluminum alloy alumin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21B37/74B21C37/00C22F1/04C21D1/26
CPCB21B37/74B21C37/00C22F1/04C21D1/26
Inventor 徐巍昆吴广奇赖爱玲王森
Owner 中铝河南洛阳铝加工有限公司
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