Electromagnetic Versatile Sand Testing Equipments , Sand Permeability Testing

Product Specification

electromagnetic microseismic sieve sander / standard sieve / vibrating screen use and adjustment
1. Place the standard sieves in the order of the size of the mesh apertures in the order of 6 mesh on the Zui, 260 mesh at the bottom, and add a chassis) to the sieve holder of the sander, and fasten the standard sieve with the cover 2. .
2. Turn on the power, adjust the timer knob 8 to the desired time scale, and then adjust the amplitude knob 5 so that the amplitude indicator 4 on the cover is at 3 mm. After adjusting, turn the timer to zero.
Shock amplitude sign observation method:
When the sign 4 vibrates with the outer cover 2, due to the persistence of the vision, the right angle side forms an intersection with the chord side, and the scale value corresponding to the intersection point is the double amplitude of the measured object. As shown in the figure, the intersection point corresponds to a scale of 2, that is, the amplitude is 2 mm.
3. Remove the outer cover 2 and the sieve cover, take the dried sand sample (the residual weight of the 50 g sand sample after washing the mud), pour it into the top 6 mesh sieve, and cover the sieve cover. Secure the standard screen with a cover.
4. Turn the amplitude knob to the second gear, adjust the timer knob 8 to 30, then adjust it back to the desired time scale, then adjust the amplitude knob to the original position, and automatically stop the vibration after the scheduled time arrives. .
5. Open the outer cover 2, and pour the sand particles remaining in each sieve into white wax paper, then pour into the glass dish, and weigh them with the balance (accurate to 0.1 gram, gradual test to 0.01 gram) ). If sand is embedded in the crucible, do not hit the standard sieve and gently brush it with a brush.
6. Weigh the remaining sand in each sieve and record it. The percentage of each sand and sand sample (50 grams) was calculated after zui.
7. After the work is finished, turn off the power.

Wuxi Wuway Instrument Co., Ltd. is a technology company specializing in custom design, innovative R&D, manufacturing, sales, maintenance and repair of analytical instruments, testing equipment, industrial automation devices and other products.
 
For more than ten years, it has had extensive cooperation with many instrument manufacturers, research institutes and institutions. It also customizes and develops various analytical instruments and testing equipment with various functions for them.
 
The main products include direct reading spectrometer, carbon sulfur analyzer and foundry sand detectors. They are independently researched and developed by the company. Products are mainly used in steel, metallurgy, foundry, machinery, automotive, marine, aerospace, petrochemical, quality supervision, institutions and other fields.
 

 
The company's products and technologies have been recognized by the domestic market in China, and some products have been exported to foreign countries.
 
The intelligent instrumentation with microprocessor has the functions of data processing, data display and self-calibration, self-checking and self-compensation. Fieldbus technology brings the communication technology of intelligent instrument into the local network stage.
 
The company also provides customers with installation and commissioning, personnel training, technical support, and one year warranty , lifetime maintenance and all kinds of accessories and consumables.
 
OEM, ODM can be available. 
 
We keep up with the pace of technological advancement, online testing, remote control and other functions have gradually been applied in different products, and the application of 5G technology is already in our plan.
 
Special introduction to Electromagnetic microseismic sieve sander / standard sieve / vibrating screen
 
Firstly: Electromagnetic microseismic sander/standard sieve/vibration screen overview
This machine is used together with a standard sieve to determine the particle size distribution of the molding material. Its structure consists of a vibration amplitude adjustment system, a timer, a cover, and a body.
Secondly, electromagnetic microseismic sieve sander / standard sieve / vibrating screen technical parameters
1. The whole machine consumes a lot of power....................................35 watts
2. Power supply voltage................................................220 volts ±10%
3. Working shock amplitude................................................2.5-3 mm (adjustable)
4. Working frequency................................................25 Hechi
5. Standard sieve specifications (diameter × height) ..............................260 × 25 mm (11 in total)
6. Conditions of use
Ambient temperature................................................0~40°C
Relative wet temperature................................................not in 85% (20°C)
7. Each screening time .......................................12 minutes
8. Timer range ..........................................0~15 minutes
9. Dimensions (length × width × height) ..............................360×280×550 mm
Weight...................................................33 kg
 
Third, the principle
The tray of this machine is supported by S-type spring, and the electromagnet is used for periodic suction to make the tray vibrate for reciprocating spiral. The main circuit of the electromagnet power supply is an AC switch circuit composed of four silicon diodes connected into a bridge (for AC path) and a thyristor tube to periodically energize the electromagnet. The thyristor trigger signal triggers the thyristor after being divided by the power frequency. The block diagram and circuit schematic are as follows:
Trigger control circuit schematic