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Stone machinery assembly process should pay attention to matters

Number of visits: Date:2016-12-7 20:25:55

The industrial revolution, people still use pure manual stone mining and processing, know that in nineteenth Century Europe appeared the first stone processing machinery, from then laid the stone processing industry a new revolution. Since then, stone processing from manual to mechanized direction. With the development of stone processing equipment and processing tools, there are more kinds of stone machinery, resulting in cutting, sawing, cutting, infrared bridge wire saws, circular plate cutting machine, circular plate mill, stone line cutting machine, CNC engraving machine and a series of material processing equipment.

Although the variety is rich and varied, but the machinery equipment production enterprise must guarantee the stone machinery product the assembly quality, must according to the regulation each kind of stone machinery product assembly technical requirement to operate. According to the common types of mechanical equipment assembly process, we summarized the following precautions.

1, do parts cleaning and cleaning work. The clean-up work including the removal of residual casting sand, rust, chip etc.. In particular, some important components, such as Longmen cutting machine, the cavity should be painted anti rust paint. Oil, rust or parts of the chip attached to the available diesel, kerosene or gasoline as washing liquid for cleaning, then dry with compressed air.

2, matching surface in conjunction or connection before, generally need to add lubricant. In particular, the bearing part of the headstock component, the nut part of the lifting mechanism.

With the size of 3, matching parts must be accurate, the assembly of complex size should be inspected or sampling. For example: the main axis of the journal and bearing parts, spindle box and bearing with the hole and the heart distance.

The assembly of 4, round, two gear wheel axis line must be in the same plane and parallel to each other, shall ensure the normal tooth gap, while the axial displacement is less than or equal to 2MM.

5, the combination of the surface should be checked whether flat, whether deformation, otherwise should be trimmed, remove burr, ensure the contact surface close, flat, not crooked.

6, the seal should be parallel pressed into the sealing groove, can not distort the deformation, damage the cover.

7, pulley assembly requirements is the two pulley axis must be parallel, the wheel groove center should be positive, offset the assembly belt tension uneven, resulting in belt slippage and accelerated wear. At the same time the triangle belt assembly should be matched, the length should be consistent, to prevent vibration in transmission.

Before 8, the bearing assembly should be cleaned, washed to remove antirust paint before assembly; cleaning should pay attention to check the raceway and rolling body has no rust, rotation is flexible; bearing assembly should be in coordination with the surface coated with a layer of lubricating oil, the assembly if the pressure is too large, should stop the assembly inspection; the bearing assembly, no end model should be, on the shoulder direction; set bearing force magnitude, direction and position should be appropriate, should not make the rolling body raceway force should be uniform and symmetrical beat, not a guarantee and the end face of the vertical axis, to prevent the installation of tilt.

9, thread connection should use locking device, according to the actual situation and the design requirements of the choice of the following commonly used locking device; double nut anti loose locking pin; spring washers; locking washers; locking round nut and flower pad lock; symmetrical multiple bolt tightening methods should be used symmetrically gradually tightening strip connections from the middle to the two direction symmetry gradually tighten. Tail bolt connection rib should highlight the nut.

10, do edge assembly inspection.

11, do a good job driving inspection work in advance. For example: check the integrity of the assembly work, the accuracy and reliability of the connection part, the flexibility of moving parts, the lubrication system, etc..

12, carefully start the process of monitoring work. After starting the machine, the main working parameters and moving parts should be observed immediately. The main working parameters include motion speed, motion stability, spindle rotation, lubrication oil pressure, temperature, vibration and noise. Only when the start-up phase of the movement indicators are normal, stable, to try running.

13, according to various stone machinery products acceptance conditions for trial operation, testing related items. For example: knife speed and stroke adjustment and testing, lifting movement stroke adjustment, spindle rotation accuracy test.

High quality stone machinery is the guarantee of processing higher quality products.

TypeInfo: Industry News

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