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| No.8734899
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Information Name: | To supply Suzhou VSR equipment (VSR instructions outline) |
Published: | 2012-12-05 |
Validity: | 300 |
Specifications: | ZNHY-20Y |
Quantity: | 200.00 |
Price Description: | |
Detailed Product Description: | Universal VSR Technology Development Co., Ltd. professional R & D and production VSR equipment, VSR instrument, welding stress elimination equipment, ultrasonic shock: Hotline 0531 -88,350,180 13,256,709,082 Liu from Fai regionalization of strategic thinking, under the guidance of Bona company set up coverage nationwide sales network, at any time, effective to provide customers with high quality products and services. Company research strength early in the 1990s the VSR system developed original duty officers. The tireless efforts of the researchers, has developed a series of hundreds of economic series, digital series, color LCD Series, Smart Series, Automatic Series and other products. The technology to make the Universal Sci-Tech Company the VSR and Ultrasonic Impact Product walking in the forefront of the world. VSR advantage of natural aging, thermal aging contrast workpiece internal residual stress in the workpiece casting, welding, forging, machining and other manufacturing process. The presence of residual stress inevitably lead to deformation of the workpiece, cracking, seriously affecting the stability of the dimensions of the workpiece, and to reduce the fatigue life of the workpiece. The traditional aging treatment is a natural aging and thermal aging. Natural aging long production cycle, the backlog of funds, space occupied; thermal aging and annealing temperature, and cooling time speed, aging furnace temperature differences and the impact of various factors, and a huge investment. With the development of science and technology, the effect of demand increasingly high. VSR due to the aging effect is good, the dimensional stability of the workpiece, economical and practical, less investment and significant energy saving and so on, gradually replacing the traditional natural aging and thermal aging, more and more widely used in practice. VSR from percussion aging. The workpiece through special equipment to generate the resonance in the natural frequency, so that the the cyclical dynamic stress and the residual stress is superimposed, so that the workpiece locally generated plastic deformation and stress release. Thereby reducing and averaging Chemical member internal residual stress, and the accuracy of the workpiece size to achieve stability. First, the characteristics of the VSR VSR essence is the resonance form of additional dynamic stress is applied to the workpiece to meet or exceed the material yield limit, workpiece micro-or macro-plastic deformation occurs when additional dynamic stress and residual stress superimposed reduce and average internal residual stress of the chemical member, and its dimensional accuracy to achieve stability. Its characteristics are: less investment 2 short production cycle 3. Easy to use 4. Adaptable 5. Conserve energy, reduce costs 6. Significantly improve the mechanical properties 7. Meet environmental requirements 8. Easy to operate, easy to implement machinery automation . 9 can be avoided warpage generated by the metal parts in the thermal aging process, oxidation, decarburization and hardness reduction and other defects. VSR mechanism. Analysis from a macro point of view, the VSR the parts to plastic deformation, reduction and homogenization of residual stress and improve the ability of the material's resistance to deformation, is undoubtedly part dimensional accuracy and stability of the basic reasons. VSR load test results shows that VSR resistance to deformation of the pieces is not only higher than without aging parts, also higher than the parts by thermal aging treatment. 2 from microscopic analysis, the vibration aging can be regarded as a cyclic loading in the form of an additional dynamic stress is applied to the part. 3 from the dislocation lattice slippage Metallurgy theoretically explain its main points VSR process is actually a resonant state in the workpiece, is applied to each part of the workpiece (lattice) kinetic energy , if the applied energy value and microstructure of the original energy value and is sufficient to overcome the microstructure around the well potential (to restore equilibrium binding force), the microscopic area will inevitably produce the plastic deformation, so that the residual stress distortions lattice able to slowly return to a balanced state, so that the stress concentration at the dislocation to slip and re-pinning, to eliminate and homogenizing the purpose of the residual stress. VSR / VSR equipment - hotline 0531-88350180 three VSR process A. vibration technology and equipment is shown below: It is a the eccentric weights motor system (exciter) fixtures placed in the workpiece and workpiece support pads elastic objects. The governor by host control motor and so that the workpiece is in the resonance state. Generally the workpiece 30 minutes of vibration treatment can achieve the purpose of the adjustment of the residual stress. Host: start and speed control of the motor control signal collection, processing, display and print parameters exciter: forced fed back to the host workpiece vibration and motor speed and excitation frequency vibration pickup: response to vibration, such as acceleration amplitude feedback back to the host fixture: the exciter is firmly fixed in the correct position of the workpiece on the pads: isolation, noise reduction, anti ran pieces B. Process Selection 1, excitation frequency: Select resonance difference a prominent place, general castings can be used IF exciting force, welding parts can be divided into frequency excitation. 2, the exciting force: by the the largest dynamic stress in the member to determine, that should ensure that σd + σr ≥ [σ]. Σd with the materials and structures of the components, and the general castings? 2kgf/mm2, soft steel? 7kgf/mm2. 3, the excitation time: 10 minutes before the residual stress of the vibration is the fastest, after 20 minutes to stabilize, generally considered processed 20-50 minutes. Workpiece weight (T) <1 1-3 3-6 6-10 10-50> 50 vibration time (min) 10 12 15 20 25 30-50 4, the excitation point and support points: support points should workpiece vibration node on excitation points are generally rigid in the two support points between the larger position. The VSR process measured the dynamic parameters of the curve, according to the change of the curve, the scene promptly determine the vibration effect, it is recommended recognized at home and abroad. VSR is the most important of several parameters: the "support and the main parameters of modes, the excitation point, pick-up and acceleration, the natural frequency of the time." Which vibration acceleration, resonant frequency, the resonance time to determine the effect of aging process . The the VSR essence of the the low frequency subresonance point of the workpiece, stable sub-resonance vibration around 15-30 minutes, so that the resonance peaks change inside the micro-elastic-plastic mechanics change, in order to achieve aging purposes. VSR / VSR equipment - hotline 0531-88350180 |
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Copyright © GuangDong ICP No. 10089450, Shandong Huanyu VSR Technology Development Co., Ltd. All rights reserved.
Technical support: ShenZhen AllWays Technology Development Co., Ltd.
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You are the 9679 visitor
Copyright © GuangDong ICP No. 10089450, Shandong Huanyu VSR Technology Development Co., Ltd. All rights reserved.
Technical support: ShenZhen AllWays Technology Development Co., Ltd.
AllSources Network's Disclaimer: The legitimacy of the enterprise information does not undertake any guarantee responsibility