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The use characteristics and importance of bearings

The use characteristics and importance of bearings

2022-11-14

The use characteristics of imported bearings


The use characteristics of imported bearings: First, they are designed and manufactured on the basis of a combination system. There are many motor combinations and installation forms. The transmission ratio is very fine at each level, which can meet different usage conditions. Second, they are based on the modular design principle of the unit structure, which greatly reduces the types and inventory of parts. Third, their transmission efficiency is very high, the precision is very accurate, the energy consumption is low, energy can be saved, the performance is difficult to fail, and the work efficiency is improved. Fourth, it has a high-rigidity cast iron box with ribs, and the gears are also made of better alloy steel. The surface is treated by carburizing and quench hardening, and the ground teeth are finely machined. Therefore, the transmission is reliable and stable, and the custom designed bearings capacity is large. It adopts computer training technology to train the gears, which greatly improves the bearing capacity of the reducer, is more resistant to impact, has low temperature rise, and has fewer failures and prolongs service life.


Why bearing hygienic design is critical to food safety


Hygienic design considers the adverse effects of specific factors (such as corrosion, lubricant leakage, cleaning, and auto-drying) on food safety and applies appropriate design principles to address the problem. Essentially, it is an idea of designing with specific principles. Just as ergonomic design focuses on the physiological needs of the user, hygienic design focuses on preventing food contamination issues.


Design Principles - Treat Bearing Assemblies with Care

In general, the EHEDG guidelines recognize that food particles and water are prone to entrapment in bearings, and therefore, bearings are seen as potential breeding grounds for bacteria. The general recommendation is to keep bearings away from food contact areas.


This recommendation is very much in line with the latest guidelines for the hygienic design of belt conveyors in the food industry, where EHEDG focuses on two major challenges in safe food production: how to avoid contamination of food due to improperly designed processing equipment, and how to Hygienic operating costs while improving food safety. In fact, in the hygienic design of the entire system, the main focus is on the system and the main components (eg belts); often not enough attention is paid to the bearing suppliers and bearing units.

However, even if the bearings are not in direct contact with the food area, they are often near food and there are high pressure water or dry cleaning systems. That way, if bacteria are present, they have the potential to spread through the air and contaminate food.


In order to minimise the risk of contamination, bearings are designed with full consideration of hygienic design principles. And one of the most important principles that make up hygienic design is the ability to clean effectively. This is actually quite easy to understand, but in practice it is often difficult for bearings and bearing units. First, the product should be manufactured from non-corrosive and non-porous materials (such as stainless steel) or composites, with an easy-to-clean profile and self-emptying of trapped water. Bearing units should have padded seats to avoid gaps where bacteria can grow.


In general, the use of materials such as elastomers, compounds and greases should comply with food safety directives and regulations. In all cases, grease leakage into the food during operation should be avoided.

At its best, bearing units are equipped with high-efficiency end caps that prevent contamination and cleaning fluids from entering the wholesale bearing cavity while allowing frequent visual inspections.


Other related areas include:

Avoid metal-to-metal contact between unit components and attachment surfaces

Relubrication should be avoided whenever possible

Long service life under very demanding operating and cleaning systems

The hygienic design is perfectly suitable for food production and packaging machinery. However, custom bearings are only one of many problematic components, and addressing them is only the first step in improving your overall risk strategy.


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