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Dongguan Lixian Instrument Scientific Co.,LTD |
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Dynamatic Balance Machine- Single-sided Vertical Balancing Machine
Vertical Dynamic Balancing Machine Overview
The balancing machine is an instrument used to determine the unbalance of the rotor. The balancing machine is a hard-supported balancing machine. The swing frame is very rigid. The measurement result of the dynamic balancing machine is used to correct the unbalance of the rotor, so that the vibration generated when the rotor rotates or acts on the vibration on the bearing is reduced to the allowable range to achieve the purpose of reducing vibration, improving performance and improving product quality.
HZ-9704A Single-sided Vertical Balancing Machine,is a new type of balancer equipment that has developed rapidly in recent years and has a wide range of uses. It is suitable for calibrating the single-sided balance of disc-shaped workpieces in the vertical state. It is mainly suitable for fans, blades, impellers, and Various disc-shaped parts such as brakes, clutches, brake drums, chucks, grinding wheels, saw blades, pulleys, etc. are tested and corrected for balance.
Vertical Dynamic Balancing Machine Application
It is mainly a hard-bearing balancing machine that combines high-precision mechanical parts and advanced electrical parts. This series of products is one of the single-sided vertical hard-bearing balancing machines developed, designed and manufactured by our company based on the core technology at home and abroad. , Is currently the internationally advanced model, applied to all kinds of rotating workpieces, such as: brake discs, clutches, brake drums, water pump impellers, flywheels, gears, pulleys, flanges, fan impellers, saw blades, tools, grinding wheels , Balance detection and correction of traction wheels and other parts.
This machine is equipped with special fixtures and it is convenient to install. Its characteristics have the advantages of high precision, high efficiency, convenient operation, intuitive display, rapid measurement, stable performance, and the use of frequency conversion speed control device to control the speed.
The electromechanical measurement system can be equipped with a microcomputer digital display measurement system or a computer measurement system.
Vertical Dynamic Balancing Machine Features
3. Permanent calibration measurement principle, high accuracy, allowing extremely high initial imbalance;
4. Equipped with special fixtures, with higher accuracy and easier clamping;
5. Advanced electrical measurement system, friendly man-machine interface, complete functions
Purpose
An unbalanced rotor generates a pressure on its supporting structure and the rotor itself during its rotation, and causes vibration. Therefore, the dynamic balance of the rotor is very necessary. The balancing machine is to check the dynamic balance of the rotor in the rotating state. The function of dynamic balance is:
● Improve the quality of the rotor and its components
● Reduce noise
● Reduce vibration
● Improve the trial life of supporting parts (bearings)
● Reduce user discomfort
● Reduce the power consumption of the product
Vertical Dynamic Balancing Machine Technical Parameters
| Model | HZ-9704A-5 | HZ-9704A-16 | HZ-9704A-42 | HZ-9704A-65 | HZ-9704A-100 |
| Max Mass of Workpiece(kg) | 5 | 16 | 42 | 65 | 100 |
| Max Diameter of Workpiece(mm) | Ø450 | Ø510 | Ø800 | ||
| Balance speed (r/min) | Frequency stepless speed regulation | ||||
| Motor Power (KW) | 1.1 | 1.5 | 2.2 | 3 | |
| The smallest achievable residual unbalance (g.mm/min) | emar≤2 | ||||
| Unbalance reduction rate (%) | URR≥95% | ||||
| Measuring surface | Single side | ||||
| Measuring system | Microcomputer digital electrical measurement system (optional computer measurement system) | ||||
| Note: The technical parameters of the above series of balancing machines are for reference only. The specific parameters and quotations need to be determined according to the actual situation of the rotor of the user's workpiece, and can also be customized. | |||||
Unbalance amount calculation
Where mper is the allowable unbalance:
M: represents the weight of the rotor, the unit is kg
G: represents the balance accuracy grade of the rotor, the unit is mm/s
r : represents the correction radius of the rotor, the unit is mm
n: represents the speed of the rotor, the unit is rpm.
Annex
| Balance quality grade | Eper.ω mm/s | Type of rotor |
| G 0.4 | 0.4 | Spindle, grinding wheel, motor rotor and gyroscope of precision grinder |
| G 1 | 1 | Tape recorder and record player, CD, DVD drive, grinding machine spindle drive and electric cabinet, small armature for special requirements
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| G 2.5 | 2.5 | Gas and steam turbines, machine tool drives, special requirements of medium and large motor rotors, computer storage drums or disks, turbine compressor rotors, small armatures that do not meet one of the two conditions of G6.3, turbo-driven pumps
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| G 6.3 | 6.3 | Paper machine drums, printing press drums, main turbine gears of merchant ships and marine vessels, high-speed separator drums, fans, fans, blowers, rotor parts of aviation gas turbines, flywheels, pump impellers, machine tools and general machinery, generally medium-sized And large motor rotor (shaft center height of more than 80mm) mass-produced small armatures whose installation conditions are not sensitive to vibrations. Vibration isolation devices are provided, and individual parts of the engine with special requirements. Supercharger rotors.
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| G 16 | 16 | Drive shafts with special requirements (propeller shafts, universal joint drive shafts), parts of grinders, parts of agricultural machinery, individual parts of automobile engines, crankshaft drive parts of six-cylinder and multi-cylinder engines with special requirements, metallurgy, chemical industry, Parts of continuous process machinery in petroleum and other refineries, main turbine gears of ships (merchant ships), centrifugal separator drums
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| G 40 | 40 | Automobile wheels, hubs, rims, wheel assemblies, drive shafts, elastically installed six-cylinder or more high-speed four-stroke (gasoline or diesel) engine crankshaft drive devices, and engine crankshaft drive devices for automobiles, trucks and locomotives.
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| G 100 | 100 | Crankshaft drive device of six-cylinder or more high-speed diesel engine, complete engine (gasoline or diesel) of automobile, truck and locomotive
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| G 250 | 250 | Rigidly mounted high-speed four-cylinder diesel engine crankshaft drive device
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| G 630 | 630 | Rigidly installed crankshaft drive device of large four-stroke engine, elastically installed crankshaft drive device of marine diesel engine
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| G 1600 | 1600 | Rigidly mounted crankshaft drive device of large two-stroke engine
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| G 4000 | 4000 | Crankshaft drive device of low-speed marine diesel engine with odd number of cylinders rigidly installed
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Note: Before you choose a balancing machine, you should first determine the balance level of the rotor
Note: Determine the rotor balance level before you choose the balancing machine | ||
