The upper computer software determines the decomposition calculation of the unbalance according to the equal fraction of the workpiece. The triangular flange is divided into 3 equal parts, and the measurement result is decomposed in the 120-degree spindle coordinate system; the four-angle flange is equally divided, the end teeth are equally divided into 4, and the rectangular coordinate system is Decomposed, the result is 2 coordinate axis components. The user can set the minimum de-duplication value under the virtual instrument interface, and the system compares the decomposed two values ​​with the user-set minimum de-emphasis value. When the decomposition amount is less than the set value, the system judges that the component is not performed. Heavy, for the workpiece whose imbalance quantity distribution is close to the decomposition coordinate axis, the dynamic balance correction efficiency can be greatly improved. Is the system automatic flow chart. Milling and De-duty Models There are three main types of de-weighting systems. It is shown that all three workpieces require a milling cutter for external arc de-duplication. In order to make the calculated cutting depth and angle accurate enough to achieve a high primary de-emphasis rate, the de-emphasis calculation of the system uses a combination of geometric calculation and curve-fitting compensation. Establish a geometric calculation model: (depth, θ) = model (α, w, H, Ï, r, D, R, θ1, ε, I) (1) where the model parameters are defined as: H workpiece allows maximum depth of cut ;Ï workpiece de-surface material density; D workpiece dynamic balance de-radius; R workpiece cutting surface radius of curvature; θ1 workpiece surface circumferential cutting angle upper limit; θ workpiece surface circumferential cutting angle; depthα corresponding workpiece surface de-duplication depth; ε solution accuracy; w milling cutter width; α unbalance amount; I maximum cycle number; r milling cutter radius. The expression corresponding to the de-weight is calculated by the de-weighting depth as follows: mass=compute(h)=ba In the formula dcxdxdy×w×Ï(2), x and y are the abscissa and the ordinate, h is the de-emphasis depth, and mass is the unbalance. The integral field is the middle shadow part, a, b, c, d is the integral range, a is the inner side of the shadow part, b is the outer side of the shadow part, c is the lower end point of the shadow part, and d is the end point of the shadow part, and its size is The de-heavy depth is proportional to the circumferential cutting angle. Therefore, the program flow for obtaining the corresponding de-duplication value from the unbalanced amount is as follows. At this time, the upper limit θ1 of the circumferential angle of the workpiece surface is determined by the cutting surface range of the workpiece surface and the maximum rotation angle of the equipment turret: (1) h=H, turn 2 ) mass=compute(h), turn 3(3) If mass<α, it is judged to exceed the maximum de-duplication ability of the device, and at the same time de-weight according to the maximum de-duplication ability, h=H, prompting the product to be a scrap, turn 5; If mass>α, while abs(mass-α)<ε, turn 5; otherwise, turn 4. (4) Perform a two-point search on the depth of cut, h=h', if the number of searches reaches the maximum number of times I, record h, h at this time to 5; otherwise, use the searched h to 2. (5) End of calculation, return h and maximum circumcision angle θ1. In actual operation, there are certain errors in parameters such as size and density, or the tool geometry changes due to long-term use, and geometric calculations take linear processing on a part of the area, which makes the calculation result according to formula (2). After the weight, there is still a certain amount of out-of-tolerance imbalance, so the fitting curve compensation is used to further improve the accuracy of the de-duplication calculation. Using the curve fitting correction calculation, the first column in the middle indicates the unbalance amount, the second column is the de-heavy depth manual correction value (dark part), and the third column is the de-emphasis depth obtained by the integral calculation. When using curve fitting, the calculation method is a reference value. The user modifies the value in the second column according to the measurement data when the device is in normal use, and uses the data in the first and second columns in the curve fitting. Click Fit to perform a parameter calculation based on the least squares method; click Store to store the fit parameters. According to the geometric calculation results of the three workpieces, the fitting function is generated by using the combination of 0.6 and 1 curve. The curve fitting function is of the formula (2): y=x0x+x1x0.9+x2x0.8+x3x0.7+x4x0.6(3) where x0~x4 are fitting parameters, and the fitting parameters are stored separately in the database for different workpiece types, and are selected in use. The corresponding workpiece type and the correction flag in the parameter setting are selected, and the fitting curve can be used to perform the de-duplication calculation. The system described in this paper integrates the geometric calculation formula and curve fitting module into a separate static library file, which can be easily extended by replacing the library file. When changing the rotor type, it is convenient to apply the system to the automatic balancing of other types of rotors simply by reselecting the workpiece and other fractions and deduplication types. Conclusion The automatic de-duplication combination machine proposed in this paper can take different operations according to the measured unbalance amount to improve the working efficiency. The outer arc milling method can maximize the dynamic balance correction, and the geometric calculation is combined with the curve fitting compensation. The method greatly improves the system's one-time deduplication rate. It is the result of partial test when three kinds of workpieces are combined using two methods. (Finish)
Product Description
Good self-priming performance High efficiency Energy saving Little vibration Low noise.
Range of Application
Technology Parameters
Head: 5-85m
Rotary Speed: 1450-2950r/min
Calibre: Φ25-Φ300
Working Pressure: Max 1.6MPa
Medium Temperature: -15C~+95
Oil Pump, Gear Oil Pump, Hand Oil Pump, Electric Oil Pump, Engine Oil Pump, Vacuum Pump Oil NINGBO MARSHINE POWER TECHNOLOGY CO., LTD. , http://www.pump-industry.com
Applicable for oil depots, quays, ships, factories, farms and mines etc. To handle non-corrosive lubricant, heavy oil, industrial light oil, cooking
Oil and so on.
Flow: 0-600m3/h
Model
Flow
Head
Suction
speed
Self-suction
Axial power
Motot power
(mm)Aperture
Weight
(M3/h)
(L/S)
(m)
(m)
(r/min)
min/5m
(KW)
(KW)
Sucation
Discharge
(kg)
25CYZ-A-20
3.2
0.9
20
6.5
2900
1.9
0.46
0.75
25
25
72
25CYZ-A-32
3.2
0.9
32
6.5
2900
1.8
0.8
1.1
25
25
80
40CYZ-A-20
6.3
1.8
20
6.5
2900
1.9
0.87
1.1
40
32
85
40CYZ-A-40
10
2.8
40
6.5
2900
1.5
2.7
4
50
40
140
50CYZ-A-12
15
4.2
12
6.5
2900
2.4
1.1
1.5
50
50
90
50CYZ-A-20
18
5
20
6.5
2900
1.9
1.8
2.2
50
50
98
50CYZ-A-30
20
5.6
30
6.5
2900
1.5
2.6
4
50
50
140
50CYZ-A-35
14
3.9
35
6.5
2900
1.5
2.7
4
50
50
145
50CYZ-A-40
10
2.8
40
6.5
2900
1.5
2.7
4
50
50
145
50CYZ-A-50
12.5
3.5
50
6.5
2900
1.4
4.3
5.5
50
50
160
50CYZ-A-60
15
4.2
60
6.5
2900
1.3
6.2
7.5
50
50
190
50CYZ-A-75
20
5.6
75
6.5
2900
1.3
9.8
11
50
50
240
65CYZ-A-15
30
8.3
15
6.5
2900
2
1.9
3
65
50
100
65CYZ-A-32
25
6.9
32
6
2900
1.5
4.4
5.5
65
50
165
80CYZ-A-13
35
9.7
13
6
2900
3.4
1.9
3
80
65
107
80CYZ-A-17
43
12
17
6
2900
1.8
3.1
4
80
65
156
80CYZ-A-22
40
11.1
22
6
2900
1.9
4.4
5.5
80
65
169
80CYZ-A-25
50
13.9
25
6
2900
1.5
5.2
7.5
80
80
177
80CYZ-A-32
50
13.9
25
6
2900
1.5
6.8
7.5
80
80
180
80CYZ-A-55
60
16.7
55
6
2900
1.5
15
18.5
80
80
310
80CYZ-A-70
60
16.7
70
6
2900
1.2
20.1
22
80
80
333
100CYZ-A-20
100
27.8
20
6
2900
1.8
7.8
11
100
80
258
100CYZ-A-40
100
27.8
40
6
2900
1.8
16.3
22
100
100
455
100CYZ-A-40A
100
27.8
40
6
1450
1.5
18.5
22
100
80
520
100CYZ-A-65
100
27.8
65
6
2900
1.8
27.7
30
100
100
620
100CYZ-A-75
70
19.4
75
6
2900
1.8
24.2
30
100
100
639
150CYZ-A-55
170
47.2
55
5
2900
1.8
39.2
45
150
100
830
150CYZ-A-65
170
47.2
65
5
2900
1.3
46.3
55
150
100
957
150CYZ-A-65A
170
47.2
65
5
1450
1.5
50.5
55
150
150
1270
150CYZ-A-80
160
44.4
80
5
2900
1.2
53.6
55
150
100
986
200CYZ-A-63
280
77.8
63
5
1450
1.5
73.9
90
200
150
1338
250CYZ-A-50
400
111.1
50
5
1450
2
80
90
250
200
1486
300CYZ-A-50
500
138.9
50
5
1450
2
97.3
110
300
250
1728