Technical Knowledge
Can the elevation control accuracy of the concrete laser leveling machine meet the construction requirements of pharmaceutical clean workshops?
Selecting high-precision concrete laser leveling machines and standardizing construction not only meets the elevation control accuracy requirements but also is the preferred key equipment for achieving the high-standard floor requirements of pharmaceutical clean workshops.
Below, I will provide you with a detailed analysis from three aspects: standards, principles, and practical operations
1. Standard requirements for the floor of pharmaceutical clean workshops
The core requirements for the floor in a pharmaceutical clean workshop are: extremely high flatness, levelness, integrity and dust-free property.
Flatness: Generally, the straightedge inspection standard of "±3mm/2m" or "±2mm/2m" is adopted, that is, a 2-meter straightedge is used for inspection, and the height difference at any position should not exceed 3mm or 2mm. Some high-standard areas (such as the core process zone) even require ±1.5mm/2m.
Levelness (elevation control) : The absolute elevation error of the entire ground needs to be strictly controlled, usually within ±5mm/ tens of meters, to ensure that water in the ground area can flow smoothly to the floor drain and there will be no local water accumulation.
Integrity: The ground must be cast as a seamless whole to prevent bacteria from breeding in the gaps.
Wear-resistant and resistant to chemical corrosion: Meets the requirements of cleaning and disinfection.
2. How does the concrete laser leveling machine meet these requirements
The technical principle of the laser leveling machine determines that it is inherently suitable for such high-precision requirements.
Control principle
Laser reference: A rotating laser emitter is set up outside the construction area, which will establish an absolutely horizontal laser reference surface within the construction area, with an accuracy of ±1.0mm/100m or even higher (such as ±0.5mm/100m). This reference plane will not deform.
Real-time monitoring and automatic adjustment: The laser receiver on the leveler captures the laser signal in real time and transmits the information to the on-board computer control system.
Hydraulic system execution: The control system drives the hydraulic cylinders at the four corners of the flattening head several times per second to automatically adjust the height of the scraper, ensuring that it always precisely remains at the elevation set on the laser reference surface.
Comparison with traditional craftsmanship
Traditional craftsmanship (using a ruler to scrape the bar) : It relies on the manual skills and physical strength of workers, and is prone to problems such as fatigue, visual errors, and the accuracy of formwork support, resulting in large cumulative errors and making it difficult to stably reach the standard of ±3mm/2m.
Laser leveling machine: Eliminates human factors and formwork errors. The machine is completely controlled by an invisible laser beam, featuring stable and reliable precision, and is formed as a whole in one go, with extremely high efficiency.
3. Key Considerations and Suggestions
Although the equipment itself is highly precise, to ensure that the final outcome meets the requirements of a pharmaceutical clean workshop, the following points still need to be noted:
Equipment selection
For large clean areas in pharmaceutical factories (such as core production areas and packaging areas), it is recommended to use large ride-on laser leveling machines. Its self-weight is sufficient to effectively press concrete, forming a highly dense surface with the best flatness.
For areas such as the periphery of the equipment, walls, and column bases that large equipment cannot cover, it is necessary to use a handheld laser leveling machine in conjunction for auxiliary operations to ensure consistent accuracy throughout the entire area.
The foundation and template accuracy are the prerequisites:
laser leveling machines cannot correct significant undulations of the foundation (such as steel mesh sheets, crushed stone bedding layers). The flatness of the foundation must be done in advance; otherwise, concrete materials will be wasted.
The top elevation of the formwork must also be precisely calibrated with a level, as the leveling machine sometimes takes the formwork as the initial reference.
Concrete mix ratio and slump
The mix proportion and slump of concrete must be uniform and stable. The slump is recommended to be controlled at around 140mm±20mm. If it is too high, it will easily lead to uneven settlement; if it is too low, it will be difficult to level.
Professional construction team
Operators must be trained and familiar with the equipment principles and operation procedures. This includes the installation and calibration of laser emitters, as well as the planning of the traveling path for the leveling machine, etc.
Meticulous post-maintenance:
The ground that has been precisely leveled must be immediately subjected to seamless and comprehensive maintenance (such as spraying maintenance agents or covering with plastic film) to prevent cracking due to uneven water loss, which could damage the flatness.
Conclusion
The control accuracy of elevation and flatness of the concrete laser leveling machine is not only a core technical means to "meet", but also to "guarantee" the construction requirements of pharmaceutical clean workshops. It achieves construction accuracy and consistency far exceeding manual levels through non-contact laser measurement and automated hydraulic control.
To ensure everything goes smoothly, we suggest that you:
Choose a reputable equipment supplier (for lease or purchase).
Hire a concrete team with experience in the construction of pharmaceutical clean workshops.
Before construction, conduct a detailed technical briefing to clearly define the requirements for flatness and elevation.
During the construction process, a 2-meter straightedge and a level are used for simultaneous inspection.
The adoption of laser leveling technology is a mature, reliable and efficient choice for building high-standard floors in pharmaceutical clean workshops.
Note: The parameters provided in this document are for reference only and are not mandatory. Due to differences in technical characteristics between different brands and models of laser levelers, please consult the manufacturer for a suitable solution before actual operation. This reference document assumes no responsibility for any issues arising from failure to follow the manufacturer's instructions.
Thanks to All the Friends Who Support and Trust Shandong Vanse Machinery Technology Co., Ltd.
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About the Author: Shandong Vanse Machinery Technology Co., Ltd.
Shandong Vanse Machinery Technology Co., Ltd. is a high-tech manufacturer specializing in concrete construction machinery, including laser screeds and related equipment. The company integrates R&D, production, and global sales, with products exported to over 60 countries and widely used in infrastructure projects worldwide.
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The fuel tank of the laser leveling machine is also an important part. It is used to support the action of the equipment. If there is no fuel tank, the equipment still cannot move normally. It is as important as the engine. Many users will be concerned about the fuel tank when using it. There are a lot of questions about cleaning. When cleaning, we should be careful not to wash off the protective film in the fuel tank, which will affect the normal use of the equipment. 1. Why should the oil tank of the laser leveling machine be cleaned regularly? As the laser leveling machine is used longer, the precipitated impurities in gasoline will accumulate more and more in the fuel tank. These impurities first settle at the bottom of the fuel tank. When there are too many sediments, they will enter the car engine along with the fuel. severe wear and tear on the engine, As long as you clean the fuel tank once, the owners will find how necessary it is to clean the fuel tank regularly. During the cleaning process, not only particles, colloids, but even tin foil, plastic sheets and other incredible things will be washed out. The owner of the machine does not know how many things get into the fuel tank. If these wastes are not cleaned up in time, the impact on the engine of the laser leveling machine can be imagined. 2. How to clean the fuel tank of the concrete laser leveling machine? Fuel tank cleaning is divided into two steps, internal and external. When cleaning the engine fuel system, use the engine non-disassembly cleaning agent, because the non-disassembly cleaning agent does not need to disassemble the fuel system. On the one hand, it can start to clean the fuel system thoroughly. , On the other hand, it is beneficial to protect the fuel system of the engine. When cleaning, you can use a clean cloth to block the nozzle of the fuel pipe, and then change the position and direction of the plastic pipe to avoid rubbing the oil level sensor as much as possible. , to release gasoline, at this time the impurities in the gasoline will flow out together. It should be noted that the fuel released from the fuel tank should be used after 72 hours of precipitation. When cleaning the outside of the fuel tank of the laser leveling machine, it is necessary to check whether there is any depression or oil leakage in the fuel tank, oil pipes, joints, etc. Also check whether the fixing screws of the fuel tank bracket are tightened. When cleaning the inside, open the fuel tank port, take out the filter barrel, suck the oil out, and then insert the cleaned plastic pipe from the fuel filler port to the bottom of the fuel tank, and gently blow the bottom of the fuel tank gasoline, make it tumble to achieve the cleaning effect. The above are many questions about cleaning the laser leveling machine. You can learn more about it and it will help you. Secondly, you should pay attention to regular maintenance and maintenance when using it. This can also reduce the occurrence of equipment failures. Thank you Your attention and support all the time.
