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Lubrication requirements and central position control of the steel coil uncoiler machine
- Dec 07, 2017 -

The steel coil uncoiler machine is mainly welded box structure. After the frequency conversion motor is decelerated through the gearbox, the driving reel shaft provides the initiative force for the uncoiler machine. The reel of the uncoiler machine is a hollow shaft, supporting the gear box by two bearings. The transmission spur gear is installed between the bearings.

The gear box of the steel coil uncoiler machine is lubricated by forced lubrication, and the closed loop oil lubrication system is equipped with two constant speed motors. The core shaft is a cantilever structure, and the front end is supported by the external support bearing before uncoiling, so as to keep the stiffness and stability of the uncoiler machine.

The mandrel of the steel coil uncoiler machine will connect the four sector plates with a slope dovetail groove on the four end faces. Each sector plate is prevented from its axial movement by a radial slide way at the end, but it can realize harmomegathus along the radial direction. The rotary cylinder is connected at the end of the reel shaft, and the piston rod of the cylinder drives the front end four - axis axial sliding through the pull rod of the center of the reel shaft, so as to drive the sector plate radial harmomegathus.

The steel coil uncoiler machine frame can move on the guide rail of the engine base, driven by the hydraulic cylinder, so that the central position control can be realized. In order to strengthen the stability of the reel, the supporting arm device is designed on the head of the reel. When there is a coil on the reel, the support arm is driven by the cylinder to hold the head of the reel. The support arm is retracted normally, and the coil is not affected.

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