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SQUAT stress and strain can be quantified Series

          

 

                                          
      Sigmarthrough the development of strain on the limitation of dynamic detection of filtering techniques and Sigmar strain quantification software to solve the vibration aging process parameters can not be quantitative selection effects can not be intuitive, quantitative observation, to judge the problem. 

★ strain, stress can be quantified
★ USB communication interface to strain gauge sensor can snap 
★ dynamic strain aging parameters, process, results can be quantified
 

Apply to military, aerospace, aviation, scientific research units 

Quantifiable strain VSR technologies that will VSR from the experience, qualitative era into the era of science and quantitative 

Accelerometer as the sensor in conventional VSR equipment can only identify the location of the workpiece to install sensors the size of the acceleration amplitude, according to the acceleration of the speed of (an) curve, identifiable parts of the resonance frequency.  However, the dynamic stress amplitude and do not necessarily linked, such as: amplitude of the workpiece ends large, dynamic stress may be small, therefore, conventional equipment does not recognize the size of the workpiece dynamic stress; whereas according to VSR mechanism, the dynamic stress and residual stress superimposed to a certain extent, residual stress will be released.  Therefore, the dynamic strain aging dynamic stress determine the effect of the workpiece.
To this end, a dynamic online detection of dynamic parts of the dynamic stress and strain or residual strain or stress release, Sigmar invented the strain gauge sensors for vibration aging technology. 

1, quantitative chosen parameters 
It can be passed a motion strain - speed sweep curve, identifying the workpiece at any speed under the dynamic strain and the resonance peak, which sent projections stress, until the find the best action to meet the requirements of dynamic stress or strain speed, the last effectively reduce the workpiece residual stress. 

Second, quantitative observation of the process of aging 
The aging process can be seen in the release of strain.

Third, the results of quantitative observations Aging 
Can be observed strain (stress) of the total emissions; vibration can be measured before the residual stress after vibration can be directly measured by playing blind hole residual stress after vibration.

Specific functions are as follows:

1.can record the time spent scanning the direction of cyclic strain on the speed of the curve, and identify the peak occurs and the corresponding rotational speed values of dynamic strain 
2, may be aging, it can record and print dynamic response to the change of time
3, large LCD automatically displayed simultaneously in three directions and the principal stress strain values, the main direction, without having to manually key switch 
4, acceleration sensors can then deal with a single piece, but also can simultaneously access two kinds of strain gauges and accelerometers working
5.10-inch TFT LCD 
6, devices can be swept up in the workpiece when the workpiece speed over the direction of a point or more points, while the workpiece or the acceleration of the strain sampling, identification records, and also printed a number of sweeping curve: three dynamic strain on the speed of curve and the peak data, an acceleration of the speed curve and the peak data.  This can avoid leakage election, wrong election process parameters, process effects can be avoided misjudgment. 
7, a number of channel parameters of the window 
8, strain gauge sensitivity can be set to 
9, strain measuring range: 0 ~ ± 200000μ
10, strain Resolution: 0.1μ
11, applicable to a variety of linear-elastic solid materials, the stress and strain measurements: elastic modulus, Poisson's ratio, the release coefficient can be set
12, external strain gauge resistance: 120 ± 5Ω 
13, measurable and automatically calculate and print out the principal stress σ1, σ2 and the principal stress direction θ.
14, can simultaneously measure a rosette or three channels of data, which can ensure the dynamic strain in all directions at the same time, thereby ensuring the accuracy of stress
15, dynamic strain can snap
16, has developed a USB interface, can be swept process and the response data such as U disk with a copy sent to the PC, processing, analysis and storage of 
17, the operator with little training, you can grasp the strain gauges pasted technology.  A certain piece, just take a piece, sticky film once to find the best speed, the future can be the basis of this speed using conventional vibratory stress relief equipment to deal with the remaining parts of the. 

Each system hardware is as follows:
1, the control box One Taiwan; 
2, permanent magnet DC exciter One Taiwan 
3, YD-1 acceleration sensor and its installation One set of magnetic blocks;
4, special fixtures 2, shock absorption pad 4, tools One set;
5 .One set of special motor cable, shielded lines of Article One, Article One power line; 
6, spare parts are: One of ribbon, aviation socket One month, optoelectronics, II-VI months on the possession, insurance, pick up a tube, printing paper pick up volumes, a number of solder heat-shrinkable tubes, etc., shielded cable One Article One set of electrical cables, carbon One of the brush; 
7, One set of teaching materials, the factory One set of documents, use the manual One set of 
8, strain flower shielded cable 3, each 3 meters long
9, strain flower 20
10, terminals 10







 
 



 Readers recommend that users refer to the following concepts: 
Stress relief rate, the rate of residual stress, strain speed curve, strain sweep curve, evaluation, aging effects of vibration and strain release factor