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Externally-mounted Motorized Pulley Preview Description
For externally-mounted motorized pulley, electric motor is removed out of the ordinary motorized pulley. And the pulley still with a retarding mechanism is often referred as a retarding drum. The motor is externally connected with the retarding drum to constitute an externally-mounted motorized pulley.
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The externally-mounted motorized pulley is a kind of conveyor driving device between the traditional open-type drive mode from motor to reducer then to the drive pulley and the common motorized pulley driving mode. Because of the external motor, it enjoys good heat dissipation performance and easy repair and replacement. It takes about one-third less than the open-type drive in occupying space and manufacturing materials.
The externally-mounted motorized pulley is the product of the current industrial requirements. From the logic diagram, the main components are still connected in series, and at least one more drive shaft is needed. From the reliability, there is no increase in reliability. However, due to its good heat dissipation in the motor, convenience installation, maintenance and inspection of the motor, as well as its superiority in occupying space and manufacturing materials to the old open-type drive, the externally-mounted motorized pulley is usually used in high-power externally-mounted motorized pulley, and it is a suitable driving device in some high-power applications.
NGW Series Planetary Gear Reducer Preview Description
Overview
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NGW series reducer is an involute spur planetary gear reducer, which adopts advanced technology and novel structure. It is mainly used in metallurgy, mining, cement, lifting, transportation, textile, dyeing, chemical, light industry, etc.
Features
1, Light weight, small size: compared with the common cylindrical gear reducer, its weight is reduced by more than 1/2, the volume can be reduced by 1/2-1/3
2, High transmission efficiency: with single-stage transmission efficiency of 0.97, double-stage up to 0.94, three-stage up to 0.9
3, Wide transmitted power range: from 1 kilowatt to 1300 kilowatts
4, Using hard tooth surface which has long service life and wide applicability
Applicable conditions
1. The maximum speed of the high-speed shaft does not exceed 1500 rpm
2, The peripheral speed of the gear does not exceed 10 meters / second
3, The working environment temperature is -40 ~ 45c
4, Both forward and backward rotating direction are available.
The company can also provide ZDY (ZLY, ZSY), DBY (DCY) series crane reducer, NGW (NGW-S, NGW-L), NAD (NBD, NCD), NAF (NBF, NCF), TX series planetary gear reducer, BW (BWY, BL, BLY), X series cycloid reducer, ZJ, ZJY series shaft-mounted reducer, TCJ series gear reducer, and TDY75, JBT (YBT, WBT, YDT, JDT)φ200 -φ1000 motorized pulley of oil-cooled, oil-immersed, exterior-mounted and rubber-coated.
Downward belt conveyor of large inclination Preview Description
Belt conveyor is a towing continuous transportation equipment for the delivery of block, granular and bulk material, widely used in coal, metallurgy, mining, ports, building materials, chemicals, light industry, petroleum, transportation and other industries. Among them, the large inclination downward belt conveyor is suitable for the transportation in the underground coal gateway, tunnel excavation, inclined shaft hoisting, open pit mine and ground transportation system, so it is the ideal supporting equipment for coal mining mechanization and can work in the environment -10 ° C ~ + 40 ° C.
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The downward belt conveyor transports the material from higher spot to lower spot and only need to overcome the friction, so it is with light load. If the gravitation of conveyed material in the running direction is greater than the friction created during the belt conveyor running, the motor rotor will be passively accelerated under the drag of the material. When the motor speed exceeds its own synchronous speed, the motor in turn will generate electricity and produce braking force in order to prevent the motor speed from further rising, that is, the potential energy of the falling material is turned into electrical energy. Therefore, a series of measures can be used to re-distribute the electric energy generated by the downward conveyed materials to the power grid.
Juli roller and jaw crusher Preview Description
Juli roller and jaw crusher uses rotatable roller in place of the fixed jaw, the rolling friction between the material and rollers brings small friction, uniform circumferential wear and long service life. Besides the material discharge by gravity, the downward movement of movable jaw and rollers can also speed up the discharge of the material into the lower outlet, which can avoid material blocking. Juli roller and jaw crusher has the advantages of rapid crushing speed, high crushing rate, large output and small fineness, it has far superior performance on the hard material crushing. This machine can be used in the primary and secondary crushing, significantly reducing the process, saving investment and production sites.
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Product features:
maximum particle size is 200mm, while the fineness of discharge is less than 40mm
small wear, obvious advantages for hard rock
low energy consumption, large output
high reliability
The professional Bucket Wheel Excavator... Preview Description
Bucket wheel excavator is an important mining equipment for large project of great amount of mining and long service, especially suitable for open pit, large earthworks and other applications. The equipment is important during continuous mining process of mining, transportation and casting. Bucket wheel excavator can run continuously with high efficiency and low consumption. Stripping rock by bucket wheel excavator does not need drilling, blasting and other processes, meanwhile, effectively reduces the emission of harmful substances. Bucket wheel excavators can also be used for the mine of good occurrence condition and softer structure.
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According to the equipment structure and rated productivity, bucket wheel excavator can be divided into unloading bridges / large mining; unloading cantilever / compact mining; unloading bridges / giant mining.
Our company provides all series of bucket wheel excavators in standard or long type, powered by diesel engine or electricity. Non- standard design is also available based on user's requirements.
Screw conveyo Preview Description
Screw conveyor is a kind of machinery with motor to drive screw rotation and to push the material in order to achieve the delivery. It can complete horizontal, inclined or vertical transportation, with the advantages of simple structure, small cross-sectional area, good sealing, easy operation and maintenance, convenient to seal and transport and so on. According to the transportation form, Screw conveyor is divided into shaft screw conveyor and shaftless screw conveyor, meanwhile, according to the appearance is divided into U-screw conveyor and tubular screw conveyor. Screw conveyor is widely used in food industry, building materials industry, chemical industry, machinery manufacturing, transportation and other sectors of the national economy.
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Shenyang Juli Mechanical Design Co., Ltd. adopts advanced technology, such as non-equal-pitch helix axis blades and the gradual transition from the beginning to the end of the blade. The blade is made from high wear-resistant, corrosion-resistant materials, with features of smooth feeding, high strength, good anti-abrasion, etc. The thickness of the spiral blade can be increased to enhance blade strength and extend the service life. Adding knockout angle steel in the center of the outlet makes the material flowing more fluid and improves the stress state of the blade to prevent the blade from open welding or bending on the tip, to avoid the opposite blade’s breakage due to fatigue failure and make sure the coal column level is basically uniform decline without blocking.
Shenyang Juli Mechanical Design Co., Ltd. has the supply of 6m coke oven supporting spiral feeder, 7m coke oven supporting spiral feeder and 7.63 m coke oven supporting spiral feeder, as well as offering customized services.
Intelligent system for detecting tooth decay... Preview Description
Always Special attention has been paid to the accurate diagnosis of dental caries in dentistry.
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To detect dental caries At the occlusal levels via The perfect mirror And at interdental levels The use of radiographs of Bytewing .
addition to the cost of Preparing radiographs , It expands the patient to x-rays, which itself has multiple complications.
Different radiographic systems are one of the main diagnostic tools in dentistry.
As a result of an increase in the number of illnesses resulting from laser imaging that is the result of this radiation , And the increase in radiation damage to humans.
The best way to detect with 100% accuracy And without zero percentages, To improve the quality of decay detection and Renounce all the problems listed , Decided to design got this device.
The complications and problems of radiographic systems:
**Diseases of the skin and cancer caused by x-rays for dentists and patients
**Physical complications for pregnant women in embryos
**High cost in the preparation and maintenance of radiographic equipment
**Lack of accurate diagnosis of decay (detection of up to 60%) Or the separation of amalgam from the tooth (detecting up to 25%) in the restorative tooth By radiography devices
**Detection of decay (detection 0%) or separation of amalgam substance from the tooth in restorative tooth by oral sensors
** Specific objectives of the project
1. Record the waves from healthy teeth
2. Record the waves from the teeth with 0.5 mm cavities
3. Record waves from teeth with 1 mm cavities
4. Record waves from 1.5 mm cavities
5. Record waves from teeth with 2 mm cavities
6. Compare the two primitive groups together
7. Record radiographs of sample teeth
8. Review the synchronization of radiographic images with the designed model
** Applied Schemes
• Possibility of examining tooth decay in pregnant women and the elderly
• Facilitating the examination of dental caries and studying the separation of amalgam from the tooth in restored teeth ,dont need to go to radiographic centers And exposure to laser radiation (Notably, the most advanced X-ray devices are not able to do it)
• High accuracy of detection than radiography devices up to 100% accuracy of detection
• Cheaper prices, so all dentists will be able to buy this device
• Because of its low cost of service, it does not cost much, and it's a welfare for patients
• Avoiding time to go to the radiography clinic and returning to the dentist's office.
Teeth are randomly divided into 5 groups of 20 teeth. In groups 1-4, cavities at 0.5, 1, 1.5 and 2 depths in the teeth will be created as a decay model. In the fifth group, no cavity will be created. By contacting the ultrasonic probe with the teeth, the waves received by the detector will be recorded.
The next steps are as follows:
1- 3D modeling of the device in Solidworkes 2016 Software
2. Load dynamic forces and dynamic analysis with MC Adams software
3. The loading forces of motion and vibration analysis software ANSYS 17.1
4. Vibration testing of teeth with ME Scope software for comparison with modeling analysis
Next step The teeth are parallel radiographs and the result will be compared with the model. Statistical analysis of data By one-agent variance analysis and The appropriate follow-up is used to compare two-dimensional groups in groups.
At this point, our data will be ready for the device library And the device becomes the program.
The cost of the Intelligent system for detecting tooth decay using piezo vibration and 100% accuracy:
**Making the original model Body with a beautiful look:2500$
**Modal and harmonic vibration testing on 200 human tooth samples ( We will receive from the bank of dentistry of medicin university):19000$
**Build a humanoid robot to move and sit on a dental unit To view system performance :4000$
Total:65000$
Intelligent systems alternative to anesthetic... Preview Description
** Specific objectives of the project:
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• Non-use of anesthetics in dentistry and in the next step for surgery of human organs
• Measuring the actual rate of pain and fixing it and applying anti-acne in the form of nano-electric shocks
** Applied Schemes:
• Possibility of dental surgery without any pain or stress that is present in all patients referred to the doctor)
Facilitate dental operations Because of no pain (In most cases, despite the numbness in the intensity is palpable)
• Not having any side effects for humans in the short or long term
• Persuading people To provide health for oral and dental health and Increasing social health
• No pain will be touched by the patient And will not touch any sensation of electrical shock
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