Editorial Technical Reference

Bucket

This page explains how Bucket is classified within Machinery and Equipment Manufacturing. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.

Technical Definition & Core Assembly

A container component of an elevator bucket conveyor designed to hold and transport bulk materials vertically or at an incline.

Representative product image. Confirm appearance and specifications with the manufacturer.

Product Specifications

Technical details and manufacturing context for Bucket

Definition
The bucket is the primary load-bearing component of an elevator bucket conveyor system, responsible for scooping, containing, and discharging bulk materials such as grains, powders, granules, or small parts during vertical or inclined transportation. It is securely attached to the conveyor's belt or chain and moves in a continuous loop to transfer materials between different process levels. The bucket's design must accommodate the material's characteristics, including particle size, density, and flowability, to ensure efficient loading and discharge. It is typically manufactured from materials such as carbon steel, stainless steel, polyethylene (PE), polypropylene (PP), or nylon, depending on the application's requirements for wear resistance, corrosion resistance, and food safety. The bucket's capacity typically ranges from 0.5 to 5 cubic meters, with wall thicknesses from 2 to 6 mm, and weights from 50 to 500 kg, depending on size and material. For carbon steel buckets, the material grade is often Q235B per GB/T 700, with a tensile strength of 370–500 MPa and a minimum yield strength of 235 MPa. Operating temperatures for standard carbon steel are typically -20 to 80 degrees Celsius, with higher ranges possible using special alloys. Surface treatments such as paint, galvanizing, or powder coating may be applied for corrosion protection. Dimensional tolerances generally follow GB/T 1804, with a typical linear tolerance of ±2 mm. Wear resistance, measured by Brinell hardness, is typically HB 120–180 for standard steel. These values are reference ranges and must be verified for the specific model and application with the legal manufacturer or supplier. The bucket's performance is influenced by the conveyor's speed, the material's properties, and the loading and discharge mechanisms. Proper selection and maintenance are critical to prevent premature wear, deformation, or failure, which could lead to material spillage, downtime, or safety hazards. Regular inspection of the bucket for cracks, wear, and attachment integrity is recommended to ensure reliable operation.
Working Principle
The bucket is attached to a moving belt or chain. As it passes through the loading point (boot or feed chute), material is scooped or fed into it. The bucket then carries the material upward along the conveyor's path. At the discharge point (head pulley or sprocket), the bucket inverts or passes over the pulley, allowing gravity to empty its contents into a chute or receiving hopper, completing the material transfer cycle.
Common Materials
Carbon Steel, Stainless Steel, Polyethylene (PE), Polypropylene (PP), Nylon
Technical Parameters
ParameterTypical rangeNotes & selection driver
Capacity0.5–5 Typical range for standard bucket sizes
MaterialQ235BCarbon steel for general use; stainless steel optionalGB/T 700
Thickness2–6 mmDepends on material and capacity
Operating Temperature-20–80 °CFor standard carbon steel; higher with special alloys
Tensile Strength370–500 MPaFor Q235B steelGB/T 700
Yield Strength≥235 MPaMinimum for Q235BGB/T 700
Surface TreatmentPaintOptional: galvanized, powder coated
Weight50–500 kgDepends on size and material
Tolerance±2 mmGeneral tolerance for linear dimensionsGB/T 1804
Wear ResistanceHB 120–180Brinell hardness for standard steel

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM
  • Front Lip Part
    The leading edge that scoops material during loading and aids in clean discharge.
    Material: steel or polymer
  • Back Plate Part
    The structural rear surface where mounting hardware attaches the bucket to the conveyor belt or chain.
    Material: steel
  • Side Walls Part
    Contain the material within the bucket during transport and provide structural rigidity.
    Material: steel or polymer
  • Bottom Part
    Forms the base of the bucket that supports the material load.
    Material: steel or polymer

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Atmospheric to 0.5 bar (static head dependent)
flow rate: 5-500 m³/h (capacity dependent)
temperature: -40°C to 120°C (varies with material)
slurry concentration: Up to 70% solids by weight (material dependent)
Media Compatibility
✓ Dry granular materials (grains, seeds, pellets) ✓ Free-flowing powders (cement, flour, chemicals) ✓ Small aggregate materials (sand, gravel, plastic granules)
Unsuitable: Highly viscous or sticky materials (wet clay, tar, adhesives)
Sizing Data Required
  • Material bulk density (kg/m³)
  • Required throughput capacity (tons/hour)
  • Conveyor speed and bucket spacing (m/s and m)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Lip and bottom wear from abrasive bulk material
Cause: Every filling cycle drags material across the same lip and bottom area, so with an abrasive product the wall thins there first; the bucket keeps working until the lip tears, rather than degrading in a way that is visible earlier
Bucket detaches from the belt or chain
Cause: The fastening loosens under the repeated impact of loading, or the bolt holes elongate; a detached bucket drops into the boot where it can jam the return run or damage the buckets behind it
Maintenance Indicators
  • Carry-back increases and discharge becomes incomplete: the lip profile has worn and no longer releases the load cleanly
  • Impact noise from the boot section, or buckets visibly out of line along the belt
Engineering Tips
  • Set the wear-inspection interval from the abrasiveness class of the material rather than from running hours, and measure the remaining lip thickness instead of judging it by eye
  • Re-torque the bucket fastenings after the first loaded run and then at fixed intervals - the initial bedding-in is when they loosen

Indicative industry ranges for design and RFQ preparation. Confirm the exact figures and applicable standard with the manufacturer before specifying.

Compliance & Manufacturing Standards

Applicable Standards
EN 618: Continuous handling equipment and systems - Safety and EMC requirements for equipment for mechanical handling of bulk materials except fixed belt conveyors CEMA 550: Classification and definitions of bulk materials, which governs bucket selection for the material being handled

Quoted from the published standard.

Manufacturing Precision
  • Bucket pitch and mounting-hole position within the tolerance that keeps discharge timing consistent across the whole row
  • Residual wall thickness at the lip must stay above the minimum defined for the rated load
Quality Inspection
  • Wear measurement of the bucket lip and bottom against the as-new wall thickness, at an interval derived from the abrasiveness class of the conveyed material
  • Fastening check of the bucket-to-belt or bucket-to-chain connection under rated load

Manufacturers of Bucket

Manufacturer profiles associated with Bucket.

Sourcing Bucket from China?
Tell us your specification and target quantity — we will match it against manufacturer records and come back with the factories that fit.
Request manufacturers We manufacture this

Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

Technical documentation
Request current drawings, revision history, and a signed specification sheet.
Manufacturing capability
Verify equipment lists, process limits, capacity, and representative production evidence.
Inspection readiness
Confirm test methods, calibrated equipment, sampling plans, and traceable reports.
Supplier transparency
Check the legal entity, factory address, ownership, certifications, and direct contacts.

CNFX does not score or rank suppliers. Buyers must verify all claims and documents with the legal manufacturer before ordering.

Supply Chain Compatible Machinery & Devices

Automated Powder Coating System

Integrated industrial system for applying dry powder coatings to metal substrates.

Explore Specs →
Centrifugal Pump Impeller

The centrifugal pump impeller is a critical rotating component that converts mechanical energy from the motor into kinetic energy in fluid systems.

Explore Specs →
High-Precision CNC Laser Cutting Machine

Computer-controlled industrial machine using focused laser beams to cut sheet metal with micron-level accuracy.

Explore Specs →
Industrial-Grade Hydraulic Cylinder Piston Rod

This industrial-grade piston rod is a precision-ground cylindrical component designed for use in hydraulic cylinders.

Explore Specs →

Frequently Asked Questions

What materials are available for elevator buckets?

Common materials include carbon steel, stainless steel, polyethylene (PE), polypropylene (PP), and nylon. The choice depends on factors such as abrasiveness, corrosion resistance, and food contact requirements. For example, carbon steel is typical for general use, while stainless steel is used for corrosive or hygienic applications.

What is the typical capacity range for a bucket?

The capacity typically ranges from 0.5 to 5 cubic meters, depending on the bucket size and design. The exact capacity for a specific model should be confirmed with the manufacturer or supplier, as it may vary based on the material being handled and the conveyor configuration.

How is the bucket attached to the conveyor?

The bucket is securely attached to the conveyor's belt or chain using bolts, brackets, or other fastening methods. The attachment must be robust to withstand the forces during loading, transport, and discharge. Regular inspection of the attachment points is recommended to prevent loosening or failure.

What maintenance is required for buckets?

Regular inspection for wear, cracks, deformation, and corrosion is essential. Check the attachment points for tightness and integrity. Replace buckets that show significant wear or damage to prevent material spillage and operational downtime. Follow the manufacturer's guidelines for maintenance intervals and procedures.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification
This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.
Buyer enquiry

Request manufacturing insight for Bucket

Ask for use case, specification boundaries, supplier type, and RFQ preparation information for this product.

Where it goes
Straight to the CNFX editorial desk, and to the manufacturer if this product is linked to a claimed profile. Nothing is broadcast to a supplier list.
Your details stay here
We do not sell or rent enquiry data, and we do not add you to a mailing list. Used only to answer this request.
No commission, no middleman
CNFX is a directory. We take no cut of any order and never negotiate on a supplier's behalf.
What we don't claim
A listing is not an endorsement. Qualify every supplier and verify every figure yourself before ordering.

Your business information is used only to process this request.

Thank you! Your message has been sent. We'll respond within 1–3 business days.
Sorry, we couldn't send your message. Please try again, or email us at contact@cnfx.com.

Need to Manufacture Bucket?

Compare manufacturer profiles with relevant product and process capability.

Previous Product
Bridge Structure
Next Product
Bulk Material Handler
Get QuotesChat