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Hydraulic station design, 1450 cold rolling mill hydraulic station

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Hydraulic station design, 1450 cold rolling mill hydraulic station

Hydraulic station design, 1450 cold rolling mill hydraulic station

Ddetailed information
Hydraulic station design, 1450 cold rolling mill hydraulic station
■ Cold rolling mill
The cold rolling mill is a new type of steel bar cold rolling processing equipment. The machine can process hot-rolled wire rods and hot-rolled coils with a diameter between 6.5 mm and 12 mm into cold-rolled ribbed steel bars with a diameter of 5 mm to 12 mm. The cold-rolled ribbed steel bar rolled by the cold rolling mill is an updated product of cold-drawn low-carbon steel wire in the prestressed concrete structure. In the cast-in-situ concrete structure, it can be replaced with Grade I steel bar to save steel. It is a better kind of cold processed steel of the same kind. If speed adjustment is not required during the rolling process of the cold rolling mill, an AC motor can be used; if speed adjustment is required during the rolling process of the cold rolling mill, a DC motor can be used
■ Advantages
The cold rolling mill is a machine equipment that cold-drawn and cold-rolled the first-grade hot-rolled Q235 round steel into a spiral-shaped steel bar. The cold rolling mill equipment can simultaneously perform cold processing on the latitude and longitude directions of the base material during the process of rolling cold-rolled ribbed steel bars. Under the premise of retaining the relative balance and stability of the original cross-section center area, it can improve the resistance to position and compression. At the same time, it still retains sufficient elongation performance, so that the geometric parameters of [1] (flattening thickness, section width-to-thickness ratio, area reduction and pitch) and four material indicators (tensile strength, conditional yield value, elongation) Rate and cold bending) can be used in important industrial and civil buildings with safety levels, saving steel consumption and reducing construction prices
■ Structure
The cold rolling mill consists of a working mechanism and a transmission mechanism. among them:
① The working mechanism is composed of frame, roll, roll bearing, roll adjustment mechanism, guide device, rolling stand and other parts.
② The transmission mechanism is composed of gear frame, reducer, roller, coupling shaft, coupling and other parts. Rolling mill introduction
The gantry-type horizontal dual-active rolling mill consists of two active rolling mills. The installation method and structure of the two rolling mills are the same. The main transmission part adopts the structure of "motor → reducer → cardan shaft → rolling mill". The two rolling mills are horizontal rolling mills, and the rolls are installed horizontally. The rolling mill adopts a gantry type archway. The roll ring is sleeved on the roll main shaft and the nut is fixed. The two ends of the roll main shaft are equipped with bearing seats and installed in the middle of the gantry. The frame is coordinated to install, and the rolls are horizontally fixed in the middle of the gantry. The upper and lower rolls are installed in the same way. The one-pass reducing rolling mill flattens the raw material and extrudes the crescent-ribbed steel bars after passing through the two-pass forming rolling mill. The torsion guide adjusts the rolling piece to realize the elliptical rolling piece after one rolling is twisted 90° into the second-pass forming rolling mill. Produce finished steel bars.
Archway form: Longmen style
Transmission form: reducer transmission
Main motor power: 75KW∕2 sets;
Speed ??ratio of reducer: i=7.5
working principle
The cold rolling mill uses a motor to drag the steel bars, and the load-bearing rolls and work rolls of the cold rolling mill are used to apply force to the two sides of the steel bars. The purpose of rolling cold-rolled ribbed steel bars with different diameters is achieved by changing the size of the gap between the two rolls.
① Load-bearing roller: The load-bearing roller of the cold rolling mill is the roller closest to the machine base. When producing ribbed steel bars, this roller plays a role in supporting the steel bars and equalizes the gravity of the steel bars and the work rolls. Scattered on the load-bearing roller, so that the lower surface of the steel bar has ribs.
②Work roll: The work roll of the cold rolling mill is on top of the load-bearing roll and is the farthest away from the stand. Therefore, the roll mainly plays a role in rolling the steel bar lifted by the load-bearing roll when producing ribbed steel bars. , So that the upper surface of the steel bar has ribs.
 
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1450冷軋機蓄能器組

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1450冷軋機輔助閥臺

■1450 cold rolling mill auxiliary valve table 1
1450冷軋機輔助閥臺1

■1450 cold rolling mill pump low pressure station
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■1450 cold rolling mill auxiliary valve table 2
1450冷軋機輔助閥臺2

■1450 cold rolling mill high pressure hydraulic station
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■1450 cold rolling mill AGC valve table
1450冷軋機高壓液壓站
 

 

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Wuhan Xinlaifu Hydraulic pneumatic Equipment Co. LTD

Tel: 027-85849187? Fax: 027-85849186? Pgone: 13971340391

Email: wh@rexroth-hyd.com? QQ:2909698088

Address: No. 28-30, Building 7, Hubei Modern Hardware & Electrical City, Dongxihu District, Wuhan

Factory address: Shenghua Industrial Park, Xincheng 12th Road, Dongxihu District, Wuhan

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