The SI60～200mm seven-roll bar straightening unit designed and manufactured by Xi'an Heavy Machinery Research Institute has passed the assessment of its user, Dalian Jinniu Co., Ltd. (formerly Dalian Special Steel). This marked a major breakthrough in the technology of the large-scale bar straightening machine of Xizhong, and successfully created the first in China for this technology.
Jinniu Company's acceptance team is very satisfied with the quality of the equipment. It believes that the bar straightening machine of Xizhong is at the international level and has good cost performance. The acceptance group indicated that through the production operation and assessment, the main technical indicators, functions and product quality of the equipment have reached the contract requirements, the equipment structure is compact, the parameters are reasonable, the straightening speed of the equipment, straightening precision and output are fully in line with the production requirements. The equipment runs stably, the movement is smooth, the operation is simple, and the maintenance is convenient.
Xizhong's high-precision alloy steel bar straightening machine is the first domestically developed product independently developed. It has won the second prize of National Science and Technology Progress Award and won the patent gold prize. SI60～200mm large-size bar straightening machine has made a lot of technical improvements compared with the previous smaller bar straightening machine, and applied the new patented technology “embedded prestressed frame†and "Hydraulic dynamic constant pressure straightening method". It adopts advanced concepts such as constant pressure straightening technology, quasi-hyperbolic curve and composite roller system combining deep and shallow concave roller type. The straightening precision reaches ≤ l‰, which realizes the straightening of the whole length of the bar, and the straightening process realizes the computer. Automatic and precise control.
The bar straightening machine products of Xizhong are now serialized and diversified. The product specifications cover high-alloy steel bars of SI10～200mm, and have various roller arrangement forms to meet different straightening requirements of users. . At present, more than 50 sets have been promoted to the market.
Jinniu Company's acceptance team is very satisfied with the quality of the equipment. It believes that the bar straightening machine of Xizhong is at the international level and has good cost performance. The acceptance group indicated that through the production operation and assessment, the main technical indicators, functions and product quality of the equipment have reached the contract requirements, the equipment structure is compact, the parameters are reasonable, the straightening speed of the equipment, straightening precision and output are fully in line with the production requirements. The equipment runs stably, the movement is smooth, the operation is simple, and the maintenance is convenient.
Xizhong's high-precision alloy steel bar straightening machine is the first domestically developed product independently developed. It has won the second prize of National Science and Technology Progress Award and won the patent gold prize. SI60～200mm large-size bar straightening machine has made a lot of technical improvements compared with the previous smaller bar straightening machine, and applied the new patented technology “embedded prestressed frame†and "Hydraulic dynamic constant pressure straightening method". It adopts advanced concepts such as constant pressure straightening technology, quasi-hyperbolic curve and composite roller system combining deep and shallow concave roller type. The straightening precision reaches ≤ l‰, which realizes the straightening of the whole length of the bar, and the straightening process realizes the computer. Automatic and precise control.
The bar straightening machine products of Xizhong are now serialized and diversified. The product specifications cover high-alloy steel bars of SI10～200mm, and have various roller arrangement forms to meet different straightening requirements of users. . At present, more than 50 sets have been promoted to the market.
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