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08

2023-05

Working principle of milling machine

Pavement milling machine is one of the main types of asphalt pavement maintenance and construction machinery. One of the main equipment for asphalt concrete pavement maintenance and construction is mainly used for the excavation and renovation of asphalt concrete surface layers such as highways, urban roads, airports, freight yards, etc. It can also be used to remove defects such as pavement embossment, oil waves, mesh patterns, rutting, etc. It can also be used to excavate potholes and grooves on the pavement, and milling of cement pavement. Milling the damaged old pavement with a road milling machine, and then laying a new surface layer is one of the most economical modern maintenance methods. Because of its high efficiency, simple construction process, easy control of milling depth, convenient and flexible operation, good mobility, milling of old materials can be directly recycled, etc., it is widely used in urban municipal roads and highway maintenance projects. Main structure and working principle The general milling machine is composed of engine, frame, milling rotor, milling depth adjustment device, hydraulic components, aggregate conveying device, steering system and braking system. The milling rotor is the main working part of the milling machine. It is composed of the milling rotor shaft, the cutter seat and the cutter head. It directly contacts with the road and achieves the purpose of milling through its high-speed rotating milling cutter. The milling machine is equipped with an automatic leveling device, which uses the side cover of the milling rotor as the milling reference surface and controls two positioning hydraulic cylinders to keep the given milling depth constant; Its hydraulic system is used to drive the milling rotor to rotate, the whole machine to walk, auxiliary device work, etc. It is generally a closed hydraulic system with multiple pumps independent of each other, which does not interfere with each other and has high reliability when working. Some milling machines are equipped with inclination adjusters as required to control the inclination of the rotor. Generally, large milling machines have an aggregate conveying device composed of a conveyor belt and a collector, which can concentrate and transfer the milled bulk material to a random walking vehicle. The height of the conveying arm can be adjusted and can swing left and right to adjust the unloading position. When the specifications and models of the milling machine are different, their structure and layout are slightly different, but the basic working principle is the same or similar. The route of power transmission of milling machine: engine → hydraulic pump → hydraulic motor, hydraulic cylinder → working device.

2023-05-08

08

2023-05

Epoxy floor paint long-term preservation tips

2023-05-08

06

2023-05

The difference between water grinding and dry grinding

In the construction process of floor grinding machine, there are two grinding methods, namely dry grinding and water grinding. What are the differences between these two grinding methods and what are the advantages and disadvantages of each, Qingqin Yu will explain them one by one. 1. dry grinding Advantages: 1. The work efficiency should be higher, dry grinding does not need to sprinkle water and collect water in every process, which is more convenient and very time-saving; 2. Grinding effect is better, dry grinding equipment is generally large concrete ground grinding machine, heavy weight, good cutting force; 3. Visual identification ability, dry grinding is more conducive to the observation of ground grinding, to avoid grinding errors without knowing; 4. construction of high quality, dry grinding out of the ground more delicate, gloss will be better. Disadvantages: 1. Dry grinding on the ground more shallow, but also more prone to scratches; 2. Dry grinding dust is large, harmful to human health, need to be equipped with professional dust removal equipment to achieve dust-free grinding.

2023-05-06

06

2023-05

Analysis and Solution Summary of Common Faults of Smearing Machine

1. Smoke from the smoothing machine when working Check the trowel machine to check whether there is too much oil. If there is too much oil, release part of it. It can also be that the piston is broken and severely worn and will burn the oil. If it is damaged, it needs to be replaced in time. Check the engine. If the engine is not faulty, it may also be that there are too many impurities in the oil. The oil is very important. Try to choose high-quality oil. When buying, you must pay attention to prevent buying inferior fake oil. 2. How to level the chassis screws of the smoothing machine First replace 4 new blades and put the trowel in a particularly flat place. Then remove the shift fork and visually inspect whether the heights of the four screws are consistent. If conditions permit, measure them with a ruler. If the heights are inconsistent, adjust them to be consistent. When the gland is gently shaken, if there is no shaking, the debugging is proved successful. Put some butter on the top of the screw to prevent wear. 3. The wiping machine always stalls Observe whether the oil level is normal and whether the oil is too little. Some machines have their own oil protection system, which will automatically turn off when there is a shortage of oil. There is also the fact that after the remote flameout switch and the flameout switch of the machine are disconnected one by one, if the flameout phenomenon does not occur again, it means that there is grounding in that part. Just check and eliminate it carefully. 4. The engine of the trowel is normal, but the trowel is not moved. If there is no problem with the engine, it is caused by the wrong belt type or the belt is too long. If there is still an abnormality, it can be handled by changing a clutch. 5. The gasoline polish machine was blistered First clean the carburetor, let the spark plug be removed to see if there is water in the cylinder head. If there is water, pull the disk several times to drain the water. Try again after changing the oil to see if it is normal. 6. The smoothing machine cannot rotate Reason: The blade may be deformed; the motor bearing is broken; the motor bracket is not fixed well; there is a problem in use.

2023-05-06

Meteng MG4P-580-J Multi-Functional Floor Grinding Machine

04

2023-05

Meteng MG4P-580-J Multi-Functional Floor Grinding Machine

The MG4P-580 Multi-Functional Floor Grinder meets the needs of professional users seeking enhanced efficiency in grinding large-area industrial floors, offering exceptional value for money. It is ideal for tasks such as grinding and refurbishing marble, granite, and concrete flooring. Additionally, the grinder can be connected to an external vacuum cleaner for dust-free operation, making it fully compliant with current environmental standards. This not only minimizes pollution but also reduces potential health risks to workers. Key product features: 1. Sleek, modern, and aesthetically pleasing design. 2. Foldable handle and an integrated central control panel for effortless, safe, and ergonomic operation. The handle is easy to move, enhancing convenience during use. 3. Equipped with a high-power (7.5 HP) variable-frequency motor, ensuring reliable performance even under prolonged, heavy-duty industrial floor-grinding applications. 4. Features an automatic pressure-adjustment system, allowing flexibility to meet diverse construction requirements. 5. Compatible with both dry and wet working modes when paired with optional vacuum equipment. 6. Includes a twist-style water-release switch and a central water-dispensing system on the grinding disc, effectively preventing secondary wear of abrasive materials and eliminating unsightly grinding marks during operation—significantly boosting productivity. 7. Comes with versatile grinding discs that can accommodate various types of abrasives, helping you minimize your overall project costs.

2023-05-04

04

2023-05

Why do the factory floor cement curing treatment?

In order to save costs, many factories are put into use directly after the concrete floor is completed without special treatment. But soon, due to various reasons, such as insufficient cement grade, improper maintenance, and repeated rolling by various vehicles, problems will occur on the ground. First, dust and sand, and then potholes will appear, which will not only affect the appearance, but also affect the appearance. Use. At this time, it takes a lot of trouble to find a floor company. Curing the floor is laborious and expensive. Therefore, whether it is a new floor or an old floor, the steel floor should be processed first, including the curing of the floor and the repair of the floor. Sealed concrete curing agent through and concrete material reaction, generate hard material, fill the pores in concrete, improve the strength and wear resistance of concrete floor, so as to thoroughly deal with the problem of cement floor sand. Features: This method has low cost and simple operation, and can solve the problem of dust and sand on the ground. If you want to change the floor surface of cement floor dust and sand, brighten and harden the floor, you can choose concrete curing agent to cooperate with floor grinding machine for floor construction, which can not only effectively prevent the floor from dust and sand, but also increase the hardness of cement floor, and can fully play the role of resistance to wear, wear resistance and pressure resistance. It can be used for a long time, with a service life of more than 20 years and durable, there is a marble-like luster, and the longer the use of gloss, the better.

2023-05-04

27

2023-04

Floor grinding machine use small knowledge

How to make the floor grinding machine to achieve the ideal process? guangzhou qingqin yu environmental protection for you to answer! Meitengqi floor grinding machine is a kind of mechanical equipment capable of precision grinding and polishing, so some workpieces can be processed and polished, and the flatness after being processed is relatively high so far, but its process is more complicated and cannot be achieved in one step. It requires multiple steps and multiple links to achieve more ideal results. So how should we be on the floor grinding machine safe and reasonable operation, to be able to achieve a more ideal processing technology? In fact, the key to the operation is to find ways to get the maximum polishing rate, in order to be able to remove the damage layer produced when polishing as soon as possible. At the same time, the polishing damage layer must not affect the final observation of the organization, that is, will not cause some false tissue. The former requires the use of some relatively coarse abrasives to ensure a large enough polishing rate to remove the polished damage layer, but the polishing damage layer is also relatively deep. The latter requires the use of some finer than the material, so that the polished damage layer to achieve more shallow, but the polishing rate will be very low. The operation of the Meitengqi floor grinding machine is relatively simple, and the operator only needs to place the objects that need to be polished in advance. When starting the mechanical equipment, it is necessary to complete the polishing work within the set time and then stop automatically. Before polishing, it is necessary to carefully adjust the distance between the polishing head and the working surface to achieve the best contact effect and throwing effect. In the process of polishing, you can also use manual waxing, so as to reduce the production cost of the machine. For more information, please visit the website: http://www.qingqinyu.com/

2023-04-27

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