Roundness measurement advantages

roundness measurement advantages:
1) at a lower cost to improve measurement efficiency: Compared with similar products, its cost is very low, measuring efficiency is greatly improved;
Accuracy 2) to improve measurement: the traditional way using the visual method of measuring people watch easily lead to erroneous measurements;
3) Data traceability: Save data record and can be retrospective and analysis, the traditional model due to the non-real-time recording, poor traceability analysis;
4) can be equipped with more than one indicator, while testing, the detection efficiency can be greater extent
5) in accordance with the specifications index, automatically prompts the bearing measurement results (NG or PASS)

Wind power bearing production process

Wind speed gearbox input shaft is generally 10-20 rev / min, due to the relatively low speed, causing the input shaft bearing is the planet carrier support bearing oil film formation is often more difficult. The role of bearing measurement bearing operation at the time of separating the two metal contact surfaces, avoid direct metal to metal contact occurs. We can introduce a parameter λ to characterize the bearing lubrication (λ is defined as the film thickness and roughness of the two contact surfaces and the ratio).
Wind turbine bearing production process:
1, to control the forging temperature, not coarse grains;
2, to control the modulation quality process to ensure that quenched their core part of the organization to ensure its mechanical properties;
3, IF quenching surface hardened layer depth control;
4, to avoid surface micro-cracks.

Tapered roller bearing structural features

taper roller bearing type code is 30000, tapered roller bearings for the separation of bearings. Under normal circumstances, especially in GB / T307.1-94 "Rolling bearings tolerance" within the cone are involved in the size range between roller bearing outer ring and inner components can be one hundred percent universal interchangeable.
The angle of the outer ring and the outer raceway diameter has been standardized with the same dimensions specified. Not allowed to change the design and manufacturing time. To cause between tapered roller bearing outer ring and inner components can be interchanged in common worldwide.
Tapered roller bearings are mainly used to bear radial load mainly radial and axial joint load. Compared with the angular contact ball bearings, bearing capacity, low speed limit.Cross roller bearing can withstand axial load in one direction, a direction to limit the axial displacement of shaft or housing.

Tapered Roller Bearings definition

taper roller bearing are separable bearings, the inner and outer rings have a tapered raceway. This kind of bearing according to the number of columns loaded roller into single row, double row and four-row tapered roller bearings, such as different types of structures. Single row tapered roller bearings can bear radial load and axial load in one direction. When the bearing radial load, will produce an axial force component, so when you need another can withstand the axial force in the opposite direction of the bearing to be balanced. Ball bearing is a rolling bearing, ball ball mounted intermediate the inner and outer rims rims, able to withstand greater loads. Also known as ball bearing.

Ball bearings are mainly made up of four basic elements

Ball bearing is a rolling bearing, ball ball mounted intermediate the inner and outer rims rims, able to withstand greater loads. Also known as ball bearings.
Ball bearings are mainly made up of four basic elements: Ball (ball), the inner ring (inner ring), the outer ring (outer ring) and the holder, also called retainer (cage or retainer). General industrial use of ball bearings to meet the AISI standard, ball and ring 52100 is usually based on high-chromium steel, Rockwell hardness (Rockwell C- scale hardness) of between about 61-65. While maintaining the hardness of the ball and ring compared to low, the material with metal (such as: carbon steel, aluminum alloy) or non-metallic (eg: Teflon, PTEF, polymer materials). Ball bearing (ball bearing) than the Ceramic Ball Bearings (journal bearing) rotation friction is small, and therefore at the same speed, temperature and friction will be relatively low.