The test transformer calls the booster, it is the basic test equipment used by the power station, supplying and distributing the electrical power system and the scientific research unit. Which used in the insulated intension test on all kinds of electrical products, electrical equipments and insulated materials, testing the insulated level of products, discovering the insulated objection of quizzee, scaling the capacity burdened voltage
2. This testing machine mainly use computer and software to control the whole system, which can make the accuracy more precise. The hydraulic cylinder is imported from germany, which is high flow, good circularity and high availability. This machine can be used to test the heavy duty springs of haulage motor. This machine can adopt the electro-hydraulic servo testing system to operate.
3. The all parts of equipment can be maintained and repaired. The main functions of this machine is as follows, it can use fixed deformation or fixed load. Measurement system can be automatic zero, automatic calibration. Computer real-
2.The operation of this machine is controlled by the computer, driving with the servo motor and transmitting precisely with ball screw. Its max load is 2000 kn(200 ton). Its testing space can be up to 2800 mm. This machine is available for three closed-loop control in the aspect of test force, displacement and speed. It uses the load cells and optional length gage.
This machine can be used to test the heavy duty springs, spring sets and the aircraft gear landing. It is worth mentioning that this machine is equipped with specialized measurement and control system that is used to test the compressibility and turning of the aircraft gear landing.
2.The machine researched by wintime machinery co., ltd is available for both left and right direction compression springs like heavy duty springs for railway .Taped or round bar is fed.Max spindle id 50 rpm and max spring size is |¦ì 60 (w.D) *|¦ì 500 ( o.D) * 1200 (length) mm and can be custom-designed.
3.All parameters like start, ¡épitch, ¡éspindle, ¡éunwinding are adjustable and set by computer .
2.Feed speed can be set to keep the end from being grinded over.High work efficiency.Servo motor and ball screw feed .Bar material installed easily.Bar material w.D is |¦ì10, a|¦ì70mm&o.D is |¦ì80, a|¦ì500mm&spring length is 1100mm .Max grinding wheel size is |¦ì900mm¡ê¡§36``¡ê, and can be custom-designed . 2 pieces heavy duty springs like locomotive cylindrical spiral spring , ¡é bolster springs or 4 pieces small springs like car springs or leaf springs are available at the same time.
3.It can cast v-shaped grinding machine guide rail.Grinding accuracy is high and its working condition is cleaner and more environmental than the traditional machine`s through cooling water circulation use and filtration with iron fillings.
3. It is specially designed for testing heavy duty springs of railway rolling stock such as hi-speed railway springs or locomotive suspension springs or vehicle coil springs.Spring vertical & lateral drive and spring vertical force , spring lateral force deflection and spring stiffness measurement are available
4.Drawing of axial load , displacement or deflection , lateral force displacement curve is isochronous. Force sensor and ac servo motor and high precision ball screw vertical and lateral load , the whole process is automatic.
Main function:
1. Oil supply quantity and equality in every cylinder of oil injection pump
2. Oil supply point and space angle of oil injection pump
3. Check and adjust timing machine performance
4. Test and adjust dispensing pump performance
5. Test and adjust pressure compensator
6. Measure oil back quantity of dispensing pump
7. Test electromagnetic valve performance of dispensing pump
8. Test inner pressure of dispensing pump under all kinds of rotate speed
9. Test advance angle of automatic advance machine (selective)
10. Test leakproofness performance oil injection pump
11. Connect draw oil supply pipe to examine input oil pump (ve pump)
12. High precision test journey (selective)
Overview:
The RT6103-S Single Phase Energy Meter Test Instrument (Split Type) adopts internationally advanced new-generation digital power source technologt, integrates all the technological advantages of both domestic and foreign watt-hour meter calibration software, and is introduced to global market by Rowwin Test in a powerful and sensational way. The single phase energy meter test instrument comprises of PWM power source, standard digital energy meter,error processor and PC processing software, this energy meter test instrument can test 3 to 60 various watt-hour meters of Grade 0.5 or lower simultaneously, also is an ideal new-generation multi-position energy meter testing instrument.
Technical Parameters:
1. Accuracy class: 0.1/0.05.
2. Reference standard energy meter£ºSingle phase wide-measurement range standard energy meter.(Accuracy class:0.1/0.05). Multi-path voltage transformer: Accuracy class:0.01; Rated load per path:10VA.
3. Voltage range:220v(240V option),Output range:0~125%,Resolution:0.01%full range.
4. Current measurement range:0.1~100A(200A option),Output range:0~120%,Resolution:0.0001A(minimum)
5. Phase angle:0~360¡ã,Resolution of phase angle setting:0.01¡ã.
6. Frequency:45Hz~65Hz,Resolution:0.01Hz.
7. Output waveform distortion:Both voltage and current<0.5%.
8. Output voltage,current and power stability:<0.05%.
9. Output capacity:Current:1,000VA(120A);Voltage:400VA(24 meter testing positions). If necessary,the maximum load can be extended to Current:1,800VA and Voltage:1,000VA.
10. Load characteristics:Resistive,inductive and capacitive(less than 4uF).
11. Starting current output:5mA(minimum);Accuracy:5%;Starting power:Accuracy 5%.
12. Energy meter testing positions:24/48 standard (3 ~60 meter positions also available).
13. Testing functions:Accuracy testing,Creep testing(no load testing),Starting up testing,Harmonic testing,Repeatability testing, Influencing testing,Dial testing and etc.
14. Input power supply:220VAC,¡À10%,50Hz;Max.power consumption:1,500VA(24 meter testing positions).
Dimension:
24 meter testing positions(1 rack): 2200*700*1920mm.
48 meter testing positions(2 racks): 2200*700*1920mm each.
Cabinet: 600*800*1600mm.
