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Plate Screws

Screw Washer from shanghai joyal

The Screw Washer is mainly used for sand processing, electric pole factory, building work site and concrete dam, various sands classifying and dewatering. The screw washer adopts inclination of 15°, under the water tub, three weir plates form the sediment pool, the screw head is immersed in this pool, the screw is driven by electric motor through reducer rotating continuously, the fresh water is feeding from porous plate at bottom of sediment pool, this machine have three functions of washing, dewatering, classifying.

Working Principle Of Screw Washer:

 

Washing:The sand is feeding into the sediment pool from the feeding box, acting by rotating screw blade, the sand is turning and rolling and grinding each other to eliminate impurity and water-air layer around sand to facilitate de-water. The fresh eater rising current from the porous plate carry foreign matter to water surface and overflow the weir plate, to finish washing processing

De-watering:The sand with bigger density is sunken down to tub bottom, the screw blade pushes this sand upwards, when passing through upper tub of proper length above water level, the water is draining into sediment pool from another drainage ditch, the de-watered sand is out from the discharging opening.

Classifying:Material classifying is realized by overflowing the non-needed fines, the controlling method is adjusting height of overflowing weir and adjusting speed of screw.

 

Main Specifications Of Screw Washer in my company Shanghai Joyal Mining Machinery Co., Ltd.:

Model

Spiral Diameter (mm)

Number of Spiral (pcs)

Feeding Size (mm)

Capacity (t/h)

Water Consumption (m3/h)

Motor Power (kw)

Overall Dimensions (mm)

Weight (t)

XL-762

762

1

<10

75

9-63

11

9070×2650×1530

5.20

2XL-762

762

2

<10

140

20-150

2×11

9070×3250×1530

7.45

XL-914

914

1

<10

100

10-80

15

9070×2650×1638

6.35

2XL-914

914

2

<10

200

60-300

2×15

9070×3510×1638

11.30

XL-1118

1118

1

<10

175

13-168

22

9070×2830×1900

12.70

2XL-1118

1118

2

<10

350

60-600

2×22

9070×3890×1900

16.50

 

 

Shanghai Joyal Mining Machinery Co., Ltd is a high-tech enterprise, which is specializing in the research, development, and manufacture of industrial stone crushing & screening equipments, grinding mills, mining equipments and so on. Our company has already formed a full set of modern production line, equipped with intelligent and standardized testing, controlling laboratories, and owned a professional team of R & D, production, sales and service.

 

So far, we have established a whole production chain, of which main products cover stone crushing & screening equipments: Jaw Crusher, Cone Crusher, Impact Crusher, Vertical Impact Crusher, Hammer Crusher, Vibrating Feeder, Oscillating Screen, Sand Washer, Belt Conveyor;and Grinding Machinery: Raymond Mill, High-pressure Suspension Mill, Ultrafine and Roller Mill, Ball mill and so on. They are widely used in the industry of mining, construction materials, chemicals, metallurgies, transportation, hydraulic engineering and so on. Our products are not only renowned in more than 20 provinces and cities in domestic markets, but also have being sold popularly in more than dozens of countries and areas all over the world like Eastern Europe, Middle East, Africa, South Asia, Southeast Asia, Oceania, and Central and South America etc.

About the Author

How do we know if the plate & screws used in ORIF of metacarpal fracture have loosen?

I recently have an ORIF on my fractured 4th metacarpal of my left palm around 2 weeks back. There were a total of 1 plate and 9 screws. Will these plates and screws loosen over time, such as due to impact? How do we tell if it loosen?
If the plates or screws loosen before the bone start to heal, will the pain start coming back? Or the knuckle may become depressed again?

You'll know. Since the metacarpal is only skin deep you'll see the plate move up and tent the skin. If it happens then you have to get another operation to redo it over again or just to take the plate out if the bone is healed. Most surgeons wait a year before removing the plates if it starts to bother you.

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Black Oxide Plating – A Must for Aerospace Industry

Black oxide plating is one of the essential accessories for maintenance of machinery. It is mostly required for aeronautical machinery for transmission of hydraulic fluid. Most of the machinery used in aerospace engineering requires the use of hydraulic devices. Hydraulic power is the base for any type of heavy lifting and operation industry. The problem faced by these machines is of rusting and corrosion when exposed to oil and other strong environments. Moving parts with hydraulic fluid in use have such type of corrosion effect on metals. To prevent such type of rusting and corrosion, use of black oxide plating is required. It helps in forming a protective layer which does not damage the machinery at any point of time. To maximize the protection another coat of oil and wax is applied.

Advantages of Black Oxide Plating

Flexibility- Use of this plating can be applied for other metals like stainless steel, die-cast zinc, brass, carbon, cast iron and copper. All of these metals can be plated with black oxide for high end performance.

Fortification- When machinery is exposed to hazardous substances there are chances where the performance is affected. Black oxide plating has the right properties to absorb lacquers, oils and wax which is generated at the time of working of machine.

Cost Saving- Black oxide is one of the cheapest plating available in the market. They are ideal for split lock washers, Finished hex nuts and other heavy equipment like Heavy hex nut, Flexitallic which are used for aerospace engineering.

Stamina- Black oxide plating does not chip, peel or rub off when is use. It is everlasting when it comes to performance with stamina. Selected chemical combination is required to remove this type of plating. One of the striking features of this type of plating is that it does not affect the appearance and performance of the machine at any point of time.

Application- This type of plating can be used on machinery which is 7 to 84 inches in length and has parts up to 2,000 pounds in weight. It also has the capacity to meet custom specifications which are required by the aerospace industry. Black oxide plating thus proves to be a requirement for various machines which have hydraulics in use. It is also one of the cheapest plating available with high end stamina. The durability factor present in this plating is higher than any other type of plating available in the market. Internet is the preferred place through which you can get the plating done for an affordable price.

About the Author

AFT offers a huge selection of fasteners, including Hex bolts, Zinc Nickel Plating Silver plated Screws, Socket Head Cap Screws. We supply high-quality standard, non-standard, and specialty fasteners and hardware products.

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