Brief analysis of the skills of roller maintenance

The running in period is an important link to ensure the normal operation of the roller, decrease the defect rate and extend its service life. But at present, some users lack special skill requirements because they lack the knowledge of the rollers, or because of the tight schedule or the desire to gain quick profits. Some users even think, if manufacturers have the warranty period, the machine is broken by the manufacturer for repair, so the machine in the running period is long time overload by early faults occur frequently lead to the machine, which not only affects the normal use of the machine, shorten the life of the use of the machine, but also because of damage to the machine impact engineering schedule. Therefore, the application and protection of small hand roller running in period should be paid full attention to.

I. characteristics of running in period

1, wear speed: installation and adjustment and other factors, the conflict surface rough, cooperation surface touch area is small, appearance pressure situation is uneven. During the operation of the machine, parts of the surface of the concave and convex, some of the other mosaic conflict, grinding down the metal debris, and as an abrasive continued to participate in the conflict, faster parts collaboration, appearance of wear and tear. As a result, the running in period is simple, and the wear of parts and components (especially the appearance of cooperation) is fast and the wear rate is fast. At this time, if overload operation, can cause damage to parts, early onset of trouble.

2, smooth bad: because the new installation parts and cooperation space for small, because the installation of other reasons, it is difficult to ensure the uniformity of cooperation gap, lubricating oil (grease) is not easy to form a uniform oil film in the conflict to prevent the appearance of wear. Then, the smoothness effect is decreased and the early abnormal wear of the parts is formed. Severe forms of conflict, outward appearance, scratches or bite surfaces can result in a faulty attack.

3, the new attack loose: the manufacturing and installation of components, has many error shape and cooperation scale, in the initial time, because of the impact and oscillation of alternating load, and the influence of heat, deformation and other factors, such as excessive wear reason and make originally simple, fastening parts loose attack.

4, attack appearance: because of the effect of leakage parts loosening, and heated oscillating machine, sealing surface machine and pipe joint logout will show leakage phenomenon, some disadvantages such as casting, processing is difficult to be found in the installation and commissioning, but because the oscillation and impact effect in the process of operation, this defect was exposed out, performance drain (3) oil (water), therefore, in simple present leakage representation.

5, many mistakes in operation: because of the machine layout, function of know not enough (especially the new operator), simply because of mistakes, cause problems, and even cause mechanical trouble.

Two, running in period of application and protection

1, because the construction machinery is a special vehicle, operators should accept the manufacturer's training and guidance, the machine layout, function fully know, and obtain certain operation and protection experience, can operate the machine. The product protection manual supplied by the manufacturer is the necessary material for the operator to operate the equipment, and must read the "use protection instruction" before operating the machine, and operate the protection according to the requirements.

2, pay attention to the work load period, run in period of work load half don't exceed the extra work load of 60%, and the amount of work right, avoid attack machine long time incurred by successive operation of overheating site.

3, pay attention to often investigate the appearance of instructions, showing abnormal, should be timely parking to sweep, and the reasons are not found, the problem should not be suspended before the suspension of the work.

4, pay attention to often see smooth oil, hydraulic oil, coolant, brake fluid and fuel oil (water) bit and quality, and pay attention to check the sealing of the whole machine. In view of the shortage of oil and water, we should analyze the reasons. Together, we should strengthen the smoothness of the smooth points, and suggest that during the running in period, every class should add smooth grease (especially needed) to the smooth points.

5, adhere to the health of the machine, timely adjustment, fastening loose parts, in order to prevent the deterioration of parts due to loose wear or cause parts to be lost.

6, the running in period is completed, the machine should be forced to protect, do a good job of checking and adjusting the operation, pay attention to oil replacement.

After all, the demand for protection during the running period can be summarized as follows: strengthen training, reduce load, pay attention to inspection and strengthen smoothness. Only pay attention to and according to the requirements of the roller running period of protection and protection, will reduce the early trouble of attack, extended service life, improve operation power, type machine not you bring more income.