Online how to fix a paper machine bearings

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Bearing wear parts of the paper machine, once the wear failure, must be shut down to be replaced, which will mill caused economic losses. Therefore, to guarantee continuous an d

reliable bearing operation, normal continuous operation of the paper machine is of great significance. In high-speed paper usually the easiest parts to wear failure bearing

paper machine wire section, press section bearings, especially calender the super calender and soft calender bearing, due to very poor condition of these parts of the machine, a

large load, high temperature, high humidity and high-speed operation. The machine usually adopt lubricant abrasion resistance, water resistance is generally inadequate, and can

not achieve the "ideal lubrication, even using some of the world s famous brands of synthetic lubricants can not fully meet and respond to the poor condition of the high-speed

paper.ball bearing companies
Based sensor technology, control technology development and continuous production requirements, modern high-spe ed machine has been repaired by the time the system the TBM

gradually to state maintenance system CBM transition, domestic machine adopts the general lack of lubricant lubrication performance, so due to lubrication adverse result in

bearing failure caused by machine unplanned downtime is inevitable, and will be more and more.
Typically, once the machine bearing abnormal elevation of temperature, vibration increases excessive downtime replace the bearings. This article describes an online repair

bearings.
1, online repair machine bearing
Appeared in the paper machine bearings using ordinary lubricants abnormal elevation of temperature, vibration increases when excessive downtime replaced bearings, bearing by

higher performance lubricants online repair. Injection of high-performance lubricants can not stop, the replacement of the original lubricant, after running for some time, will

also play a certain role in the repair, bearing temperature and vibration back to normal, enabling the machine to maintain run to overhaul, and then thoroughly Clean and replace

the lubricant without having to replace the bearings. Currently, there have been the repair function high-performance lubricant. Purple Crown produced the purple Crown synthetic

lubricants. Online repair machine bearing failure can not only reduce unplanned downtime, avoid causing huge economic losses, and can save a lot of maintenance costs and bearing

equipment expenditures.industrial bearings
2, bearing the principle of high performance lubricants repair
The most popular bearing lubrication state boundary lubrication. The bearing lubrication adverse are mostly due to the lack of lubricant performance, strength and load bearing

capacity of the formation of the boundary film is not caused by h igh. Low intensity boundary film will rupture under high load metal friction occurs caused the bearing face

Lamao generating grinding marks, so that the bearing appears abnormal temperature rise, vibration increases, wear rate will rapidly accelerate bearings will soon VALID.

Replacement of high-performance lubricant has high strength boundary film prevents wear, but also has a special micro-polished synthetic lubricants repair function, micro-

polishing nap bearing surface, so that the face smooth as a mirror, to achieve the purpose of repair bearings. Failure bearings run cooler after lubricant repair, the friction

factor is smaller.
The 3 application performance synthetic lubricant success repair bearing case
Performance synthetic lubricant application of micro polishing successfully repaired the failure of the bearings have very many examples of various industries at home and

abroad, the paper describes only a few typical cases.
3.1 Fraser Paper successful online repair
Fraser Paper No. 6 paper machine No. 1 vacuum press drive side bearing the original use of a well-known brand synthetic grease, in early November 2000, bearing temperature from

the usual 74-79 ° C up to 120 ° C, accompanied by strong earthquake Therefore, to determine these bearings is about to lapse. This time to join a purple crown UPG2 number

Grease, after 1 h of operation, the temperature dropped to 71 ° C, vibration decreases, the indicators back to normal. Fraser Paper s conclusion is: the purple oil from about

12 h unplanned shutdown, to enable enterprises to avoid the loss of more than 36,000 U.S. dollars.
3.2 Guangshen line the Blue Arrow locomotives German production of high-power traction motor damage FAG Bearings successful repair
In April 2003, the Guangzhou-Shenzhen line Blue Arrow locomotive Adtranz traction motor bearing gre ase occurred fortune to produce vibration and wear scar, the grease is a

synthetic lipid production by the famous German Krupp. The Germany motor factory experts to the scene inspection, it is recommended to replace the bearings. Guangzhou-Shenzhen

line in the May 1, 2003 are required to fix Germany bearings have to wait four months only cargo. The ZELRI engineers learn from the development experience of China s high-speed

locomotives Star, the application of international state-of-the-art of the Violet Crown synthetic lubricants, after 80 h of continuous monitoring operation, finally making 6 of

8 bearings repair to reach a new factory index, two repair reached the safe operation of the area, saving expensive replacement the FAG specially new bearings expenditures, and

also allows the the Blue Arrow locomotives return to service in a timely manner and reduce economic losses of nearly 10 million yuan.
3.3 200 H P Roots Roots blower successful online repair
Gulf of Mexico, a chemical plant to use a world famous brand lubricants, Roots blower generates strong earthquakes exceeding the alarm line, put on the Purple Crown Synfilm GT

320 lubricant to run for three days to repair the amplitude reached overhaul after indicators.sealed roller bearing