1、中文 3900 字 Bevel gear of the latest developments in measurement technology 1 Overview Bevel gear drive mechanism in the car, helicopter, machine tools and electric tools manufacturing industry, has been widely used. The use of different performance of the bevel gears are also different quality requir
2、ements, can be summarized including: a good contact area, can be a reliable torque transmission power； good match geometry, a smooth transfer of the movement, in order to ensure uniform load , transmission smooth, vibration small, noise low. Factories are usually small devices and dual-spot detectio
3、n of rolling contact tester to control the quality of bevel gear, but in reality it is very difficult to determine accurately the performance of the bevel gear. Bevel gear and the precision of measurement of cylindrical gears similar, can generally be classified into three types: Coordinate Geometry
4、 Analysis of measurement type. That is, the bevel gear as a geometric entity, its geometric elements, respectively, the geometric precision of individual measurements； Gear Measuring Center is the main measuring instruments. Comprehensive engagement measurement accuracy. That is, the bevel gear tran
5、smission as a component, the accuracy of their transmission, contact spots, a comprehensive measurement of the vibration noise. The measuring instruments are mainly one-sided meshing bevel gear tester, bevel gear meshing two-sided bevel gear measuring and inspection machine rolling. Bevel Gear the o
6、verall measurement error. It will bevel gear transmission as a function for the realization of the geometric entities, or by coordinate measuring method in accordance with the geometric precision of a single measurement to measure the overall error of bevel gears, bevel gears to achieve a single tra
7、nsmission error and the geometric precision of the intrinsic link between the quality of the analysis； or by mating single measurement, the use of mesh point scan measurement of bevel gears for the overall error of measurement, has been integrated bevel gear movement accuracy, contact spots, as well
8、 as the geometric precision of the individual. Therefore, the overall error of measurement of bevel gear is a measurement of the first two methods of integration and development. With the coordinate measuring technology, computer control and measurement technology, in recent years, the overall error
9、 of measurement of bevel gear technology research development soon. Gear Measuring Center as a result of multi-cylinder coordinates, such as multi-function measurement instrument performance, data-processing capacity, bevel gear-type coordinates of analytic geometry measurement technology, has been
10、the development of a single geometric error of measurement to the overall error of measurement of bevel gear, improved cone gear design, processing, quality testing to determine the accuracy and the use of the forecast performance of the bevel gear, such as the level of manufacturing technology. By
11、Chinas own development, based on the control point movement - geometric measurement principle on one side of the bevel gear meshing point scanning technology and technology development based on the overall error of the bevel gear measuring instrument, it is more towards the production of the first l
12、ine, so that China Bevel Gear measurement theory, the practical application of measurement technology has been further improved and developed. 2.the main bevel gear precision measurement method and apparatus 2.1 Coordinate-style geometric measurement and analysis equipment Machinery Exhibition into
13、a straight bevel gear-type coordinate measuring instrument there earlier products to represented KP42-type, but the complex structure of high accuracy. Since 1990, both before and after, CNC Gear Measuring Center to the market, coordinates arc bevel gear-type geometry of measurement error is the rap
14、id development and popularization and application. Todays market, Gear Measuring Center from abroad, whether it is Klingberg Germanys P63, or the United States Gleason / mar the GMX275, M & Ms Sigma 3, have been measured with the function of bevel gear. These instruments have reached VDI / VDE level
15、 provided a space measuring uncertainty for more than 2 microns； bevel gear on the geometric error of a single test, such as pitch deviation (including single pitch deviation, the cumulative pitch deviation , total cumulative pitch deviation), tooth profile deviations (including a total deviation of
16、 tooth profile, the shape of tooth profile error, tooth profile tilt deviation) and teeth to the error (including the teeth to the total deviation, deviation of the shape of teeth to the teeth to tilt deviation) and output deviation of three-dimensional shape of tooth surface morphology map. 2.2 Int
17、egrated single-sided mesh rolling test measurement method and apparatus Single-sided bevel gear meshing scroll detection methods have been used in production for many years. N0.513 Gleason in the United States rolling test machine as an example, in the measured single-sided bevel gear pair meshing,
18、the simulation of its work, and to a certain degree of speed and load, adjust the V / H, for colored contact area (spot ) testing to determine the bevel gear pair under test contact conditions； through the use of acceleration sensors, pickup of vibration and noise measured on the tooth scan frequenc
19、y harmonic detection. This method is quasi-dynamic measurement method, which bevel gear for the accuracy of detection is far from complete or accurate enough. Optical encoder used as the base point of view, to cut bevel gears for the accuracy of detection of the integrated single-sided meshing bevel
20、 gear tester, such as Germanys Klingberg PSKE900, because a single test items, in particular, it is difficult for the basis of test results Bevel Gear Machine parameters adjusted to give guidance, to improve processing quality bevel gears. Less cost-effective and therefore not much used in productio
21、n. Gleason has introduced in recent years, the Phoenix 500HCT CNC bevel gear inspection machine is rolling with a rolling test at the same time and one-sided mating tester measurement function, measurement of both the tangential bevel gear integrated error, while the number of measuring cone gear co
22、ntact area, three-dimensional structure of the noise analysis. The advanced models, such products represent the contemporary level of development, although expensive, but there are individual users at home. Klingberg also similar GKC60, such as Orion Hole T50 CNC bevel gear inspection machine. 2.3Me
23、asurement error overall and equipment The overall error of measurement of bevel gear is rotating in the same angle displacement coordinates of the order will be based on the meshing bevel gear tooth surface of the work of the detection point measured by the geometric error of all the individual inte
24、grated into a bevel gear overall error map, and on this basis, bevel gears for the completion of a single geometric precision, and accuracy of an integrated campaign bevel gear analysis of contact state deputy measurement, the use of bevel gears to achieve the performance and quality assessment and
25、monitoring. Bevel gear and the overall error of measurement apparatus, the current can be divided into three second-class. A class of analytic geometry for coordinate measurement type, the method is divided into point-to-point measurement and point of scan measurements, equipment used in two ways for CNC Gear Measuring Center, but the allocation package by the measurement different； the other for the mating-type movement measurement geometry (ie, mesh-type scan measurement point, the
