The working principle of the metal band sawing machine horizontal band saw (1)


The hydraulic transmission system is composed of a hydraulic circuit composed of pumps, valves, oil cylinders, oil tanks, pipelines and other components and accessories. It completes the lifting and lowering of the saw beam and the clamping of the workpiece under electrical control. Through the speed control valve, the stepless speed regulation of the feed speed can be implemented to meet the needs of sawing workpieces of different materials. The electrical control system is a control circuit composed of an electrical box, a control box, a junction box, a travel switch, an electromagnet, etc., which is used to control the rotation of the saw blade, the lifting of the saw beam, and the clamping of the workpiece, so that it can be operated according to a certain working procedure. Realize the normal cutting cycle.

The lubrication system must be lubricated according to the requirements of the machine tool lubrication parts (wire brush shaft, worm gear box, active bearing seat, worm bearing, upper and lower shafts of the lifting cylinder, and the sliding surface clamping screw of the movable vise) before starting the lubrication system. The worm gear and worm in the worm gear box are lubricated by No. 30 oil bath, which is injected from the oil plug hole in the upper part of the worm gear box. between. The oil should be changed after one month of trial use, and the oil should be changed every 3-6 months thereafter. There is an oil drain plug at the lower part of the worm gear box.

Saw blade drive The motor installed on the worm gear box drives the worm and worm wheel in the worm gear box through the pulley, and the triangle belt drives the driving wheel to rotate, and then drives the saw blade around the active/passive rim for cutting and rotating motion. The feeding movement of the saw blade is composed of a hydraulic circulation system composed of a lifting cylinder and a speed regulating valve, which controls the descending speed of the saw beam to control the feeding (stepless speed regulation) movement of the saw blade. The saw brush rotates at the place where the saw blade produces chips, and rotates in the direction of the saw blade, and is cleaned by the cooling pump with coolant to remove the chips on the saw teeth. The coolant is in the coolant tank on the right side of the base, which is directly driven by the water pump to supply the coolant.


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