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A turntable-type shot blasting machine is a kind of blast cleaning equipment that uses centrifugal force to propel blast media onto the surface of target workpieces for cleaning. The workpieces are then put on a rotating platform or turntable, while one or more blast wheels are positioned to clean the entire surface of the target workpiece by evenly dispersing the blast media.
According to the placement of the turntable, shot blasting machines can be divided into vertical and horizontal turntable shot blasting machines.
Based on the way the turntable operates, some automatic loading and unloading devices are usually incorporated into the blasting machine. These include a hoist or elevator and a drag chain. Also, different types of blast wheels may be used in the turntable shot blasting machine. They all offer different levels of coverage and intensity, and they may also be operated at different speeds.
The workpiece's movement and rotation around its vertical or horizontal axis ensure even cleaning from multiple angles. As a result, the turntable shot blasting machine is an ideal option for users possessing flat plates, squire pipes, structural steels, etc., to choose from. It is especially useful for those who need to perform quick and efficient surface preparations on their workpieces before coating, painting, or further processing.
The performance of a turntable shot blasting machine depends on knowing the specifications. It's also crucial to know what maintenance is needed, to ensure the machine works well and lasts longer.
Now that the specifications of a rotary shot blasting machine are known, it is also important to understand what maintenance needs to be done. This is necessary to keep the rotary turntable blasting machine serving its purpose most efficiently and for a longer period.
Turntable shot blasting machines are used to perform surface cleaning, polishing, and preparation for welding or painting. This turbine blasting machine is used in many industries, some of which are listed below.
Everyday Industries
The automotive manufacturing industry mostly uses turntable shot blasting machines for its chassis and other automobile parts. The machine cleans and polishes the surface of these parts simultaneously, so they are rust-free and get the best adherence from any paint applied.
Foundry is another industry that benefits from this machine. Removing sand from casting is the foundry's primary goal. This machine helps achieve just that. In addition, it also smooths out any irregularities on the cast surface.
The aerospace industry uses this machine to prepare various aircraft components before painting. The equipment also works on landing gears and casings.
Construction companies sometimes use the turntable blasting machine to prepare the surfaces of metal parts, such as girders and beams, before installing them into buildings or infrastructures.
The oil and gas industry knows the importance of having rust-free pipes and components. Hence, they use the turntable blasting machine to clean all the pipes and remove any oxidization so that life is ensured.
Heavy-duty Industries
The shipbuilding industry creates ships from scratch and repairs old ones. It, therefore, needs the turntable shot blasting machine to get rid of rust from steel plates and other obsolete materials. Obtaining a clean surface enhances the adherence of the primer for painting.
The pressure vessel industry must also ensure that none of their components has rust. Otherwise, there will be pressure leaks or, worse, an explosion that can endanger people's lives. These are a few reasons why the turntable shot blasting machine is a staple tool in the pressure vessel industry.
Some automotive repair service centers have turntable shot blasting machines. They use them to repair alloy and steel wheels. The car wheels are made brand new by removing any oxidation, rust, or dirt.
As seen above, the turntable shot blasting machine is versatile and uses many industries. Most industries use it to remove rust and prepare the surface for better paint adherence. The machine saves time, money, and effort to obtain a clean and polished object ready for further treatment.
Consider the following parameters of the turntable shot blasting machine for optimal selection:
Blasting Purpose and Workpiece Attributes
Determine the purpose of purchasing the machine and select an appropriate turntable diameter and blasting cavity size. Also, ascertain the machine's surface treatment needs and the type, weight, and size of the workpiece.
Machine Parameters
Consider the blasting power, number of nozzles, rotating speed of the turntable, and feeding/ discharging speed. These parameters affect the efficiency of the entire surface treatment and the time taken for a single workpiece.
Control System
Modern shot blasting machines use different electronic controls. Select a machine with an easy-to-use control system that monitors and manages key machine parts and parameters.
Cleaning Agent Recovery and Filtration System
The storage capacity for cleaning agent recovery, the separation and filtration system, and the reprocessing capacity impact the cleaning agent's reuse and the machine's overall operating cost.
Safety and Environment Considerations
Consider the safety features of the machine, such as proper workpiece fixation to prevent accidental injury, as well as environmental factors like noise, dust, and so on, to select a more environmentally friendly machine that abides by the applicable environmental standards.
Servicing and Spare Parts
Choose a machine with good after-sales services and spare parts supply. This can ensure the longevity of the machine and make its maintenance and repair easier.
Q1: What materials are suitable for using a turntable shot blasting machine?
A1: The turntable shot blasting machine is ideal for use with various metal components, including structural sections, small castings, plates, welds, pipes, and external and internal nonferrous and ferrous facilities.
Q2: Are turntable shot blasting machines safe to use?
A2: Safety is paramount in any industrial application. Fortunately, turntable shot blasting machines are designed with safety in mind. They feature durable steel construction and several protective components, such as interlocked access doors that only allow the machine to operate when closed and temperature controls for blasting equipment.
Q3: How long does the turntable shot blasting machine take to complete the blasting process?
A3: The duration of the blasting process varies depending on the size of the workpiece, its shape and complexity, the type and size of steel shot or grit used for blasting, and the machine's power. However, some may take only a few seconds to complete the process.
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