Elevator bucket 390 mm reinforced

Elevator Buckets Manufactured by Zavod Moroza

The elevator bucket is the main replaceable working element of a vertical belt conveyor (bucket elevator). The performance of the entire grain elevator complex depends directly on its quality and geometry. Its main task is to effectively scoop the bulk product, safely lift it to the required height, and cleanly discharge it through the elevator head using centrifugal-gravity forces. It is the elevator bucket that takes on the main dynamic and abrasive load during operation, so its reliability is a critical condition for the uninterrupted operation of the enterprise.

The scope of application for such products is extremely wide - from small farms to powerful port terminals and processing plants. They are used to transport cereal grains and legumes, sunflower seeds, corn, as well as their processed products - flour, meal, or compound feeds. A correctly selected elevator bucket allows for high equipment productivity, minimizes grain damage (breakage), and reduces energy costs for transporting each ton of cargo.

When it comes to industrial transshipment volumes and intensive operating modes, standard solutions are often insufficient. Therefore, to ensure a stable flow on high-capacity lines, such as the UKZ-175 series elevators and their analogues with a capacity of 175 t/h or more, components with special capacity parameters and reinforced construction are required, which will be discussed below.

390 mm Elevator Bucket for UKZ-175 / NTS-175 in Terms of Available Materials and Technologies

The 390 mm elevator bucket is a standard model for high-capacity conveyors with a capacity of 175 t/h and more, serving as an excellent example for understanding engineering processes when working with large volumes of cargo. It is on the example of a bucket with a width of 390 mm and a volume of about 8 liters that one can best see how the correct selection of material and manufacturing technology determines the efficiency and durability of the elevator under intensive operating conditions. Depending on the environmental conditions, we offer two material options:

• Carbon (black) steel This is the standard solution that provides reference structural rigidity and high resistance to abrasive wear, which is ideal for handling grain crops with normal moisture content.
• Galvanized or Stainless steel Necessary for working with wet grain, in premises with condensate, as well as in the food industry (sugar, flour, salt). Such material prevents surface oxidation, guarantees compliance with sanitary standards, and extends the service life of the unit in aggressive or chemically active environments.

To satisfy different load scenarios, this size of elevator bucket can be manufactured using four different technologies:

1. Welded This is a classic reinforced construction for heavy-duty conditions. The technology allows the use of thicker metal and gives the bucket an aggressive geometry for maximum filling, which is critically important for achieving high productivity.
2. Pressed (Seamless/Deep-drawn) Manufactured by deep pressing from a single sheet. The absence of seams and smooth corner radii make them the best choice for "sticky" and poor-flowing products (meal, flour), as this shape prevents product jamming/sticking and ensures its free discharge.
3. Folded ("Envelope" technology) A modern solution that provides increased structural resistance to the destructive effects of vibrational loads. The body is formed by complex bending, where the corners are solid metal rather than a welded seam - this approach eliminates zones of residual metal stress (which are inevitable during welding), making the elevator bucket significantly more resistant to cracking.
4. Polymer An innovative option for delicate work. Polymer elevator buckets are significantly lighter than steel ones, which relieves the load on the belt and drive, and their elasticity minimizes seed material damage and eliminates sparking.

Thus, even within one size, there are many engineering solutions, and the choice of a specific option depends exclusively on the specifics of your production and the type of product being transported. Moreover, within each technology, there is room for additional modernization and finer tuning to specific operating conditions. This allows for the precise adaptation of key product nodes: increasing metal thickness for extreme loads, adjusting the geometric shape for better aerodynamics, or performing local reinforcement of "risk zones" with additional stiffening ribs. This also applies to the fastening system - we are not limited to standard row drilling and can implement any perforation scheme, including vertical spacing of holes for reliable fixation on chain conveyors. Special attention is paid to the modification of the digging edge (lip) - it determines the efficiency of product scooping and is the most vulnerable place of the structure, so it is often protected by special hardfacing or a thickened band. This significantly extends the resource during contact with abrasives, preserving the ideal geometry of entry into the pile throughout the entire service life.

For clarity, let's consider how the characteristics of the same nominal value (elevator bucket with a capacity of 175 t/h) differ in practice depending on the manufacturing technology:

Welded Reinforced Elevator Bucket

• Dimensions - 390×200×170 mm
• Working zone - height at the front lip - 155 mm, useful volume - 7.5 L
• Material usage - weight 2.8 kg, steel - 2.0 (1.5) mm
• Mounting - standard, 4 holes with a pitch of 90 mm (height to axis - 60 mm)

Pressed (Seamless) Elevator Bucket

• Dimensions - 390×170×175 mm
• Working zone - height at the front lip - 135 mm, useful volume - 7.8 L
• Material usage - weight 2.0 kg, steel - 1.5 mm
• Mounting - standard, 4 holes with a pitch of 90 mm (height to axis - 50 mm)

"Envelope" Type Elevator Bucket

• Dimensions - 390×195×170 mm
• Working zone - height at the front lip - 150 mm, useful volume - 7.4 L
• Material usage - weight 2.5 kg, steel - 1.5 mm
• Mounting - standard, 4 holes with a pitch of 90 mm (height to axis - 40 mm)

Polymer Elevator Bucket

• Dimensions - 395×180×178 mm
• Working zone - height at the front lip - 112 mm, useful volume - 6.5 L
• Material usage - weight 1.0 kg, polymer - 8 mm
• Mounting - standard, 4 holes with a pitch of 90 mm (height to axis - 50 mm)

So, Which Elevator Bucket Should You Buy?

When the need arises to purchase new components, the simplest and most obvious answer is to buy exactly the same product that was installed previously. This is absolutely logical if we are talking about a current urgent repair, where old holes on the belt will guaranteed align with the mountings of new buckets, the system balance will not be disturbed, and installation will take minimum time. Precisely for such situations, we maintain a constant stock of all popular bucket modifications found on elevators in Ukraine - from classic Soviet standards to widespread import geometries. Moreover, if your elevator is equipped with rare or discontinued equipment, we are ready to promptly manufacture a batch of non-standard products according to an individual drawing or even according to a provided physical sample of a worn elevator bucket, accurately reproducing its mounting dimensions.

However, if you are planning a complete replacement of buckets on a transport line or the enterprise faces the task of increasing productivity without capital expenditures - blind copying of the old sample can become a lost opportunity. This is exactly where it is worth engaging the design bureau of Zavod Moroza, because the question of choice lies not in which technology is "better" in the abstract, but in which of them most effectively solves your specific tasks.

Increasing efficiency through the use of bottomless buckets is a common practice today. The standard geometry of working organs, although universal, is not always able to reveal the full potential of the elevator complex. When it is necessary to significantly increase the cargo flow without expensive replacement of the shaft or drive, bottomless buckets become the most effective tool for "boosting" performance - their unique design provides for the absence of a bottom, which, with dense installation and "closing" of such a group from below with a standard solid bucket, allows forming a practically continuous column of product instead of separate portions. Such a solution turns the movement of grain into a continuous stream, increasing the throughput of the elevator by 1.5-2 times while maintaining the current belt speed.

Working with increased loads is also a successful strategy for many enterprises, especially for tasks related to transporting heavy, wet, or abrasive products. We offer reinforced modifications and buckets of increased sizes with internal partitions (baffles). In the first case, the design provides for the use of thickened metal, and the body itself can be supplemented with welded plates and stiffening ribs, which guarantees the stability of the body shape even at critical weight. And models with partitions, in turn, are indispensable for wide buckets (over 300–400 mm), where internal braces work as a structural frame. Such rigidity provides additional opportunities - besides preventing deformation of the front lip, it is possible to calculate and increase the depth (projection) of the profile, significantly increasing the useful volume without the risk of unit failure.

Determining the required type of elevator bucket may be only the first stage of our interaction. To achieve maximum efficiency, engineers at Zavod Moroza will conduct a detailed calculation of individual modifications - from selecting the optimal metal thickness and number of mounting holes to modeling the geometry of the digging edge, the rounding of which allows significantly reducing product damage upon entering the pile. Moreover, a scenario of "controlled destruction" is laid into the design of our products, where upon critical jamming by a foreign object, the elevator bucket deforms and opens up, absorbing the impact without harm to other equipment. Such a solution excludes the occurrence of serious accidents, saving the expensive belt from tearing and protecting the elevator drive from fatal overloads.

The long-term practice of Zavod Moroza proves that in matters of raw material logistics there are no trifles, and the stability of the entire enterprise - from the port terminal to the processing line - rests on the reliability of individual nodes. Therefore, we apply a single quality standard regardless of the volume of cooperation - whether it is a global modernization of transport routes to increase productivity, or a planned supply of a batch of elevator buckets for maintenance or repair.

Our goal is to provide you with components that will work off every invested hryvnia. Receiving products from the warehouse or ordering individual manufacturing, you can be sure of the full compliance of the products with your loads. Contact the specialists of Zavod Moroza to select the optimal configuration and reduce the operating costs of your equipment to a minimum.