INDUSTRY COMPONENT

Back Plate

A structural support plate that provides rigidity and mounting points for bucket machine assemblies.

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Component Specifications

Definition
The Back Plate is a critical structural component in bucket machines, designed to withstand operational loads, provide attachment surfaces for other components, and maintain dimensional stability under stress. It serves as the primary load-bearing element that transfers forces from the bucket's working mechanism to the machine frame.
Working Principle
The Back Plate functions as a rigid structural member that distributes mechanical loads evenly across its surface, preventing deformation and ensuring proper alignment of connected components. It operates under principles of static equilibrium and stress distribution, maintaining structural integrity during digging, lifting, and material handling operations.
Materials
High-strength steel (ASTM A572 Grade 50 or equivalent), thickness: 12-25mm, yield strength: ≥345 MPa, tensile strength: ≥450 MPa, surface treatment: hot-dip galvanizing or powder coating for corrosion resistance.
Technical Parameters
  • Weight 15-80 kg depending on thickness and size
  • Hardness 150-200 HB
  • Dimensions Varies by bucket size (typically 300-1200mm width, 200-800mm height)
  • Mounting Holes Standardized pattern for attachment to bucket arms
  • Surface Finish Ra 3.2-6.3 μm
  • Flatness Tolerance ≤1.5mm/m
Standards
ISO 8521, DIN 15061, ISO 286-2

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Back Plate.

back plate bucket component structural plate machine part industrial component construction equipment part load-bearing plate mounting plate Back Plate in Machinery and Equipment Manufacturing

Parent Products

This component is used in the following industrial products

Bucket

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

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Engineering Analysis

Risks & Mitigation
  • Fatigue failure from cyclic loading
  • Corrosion in harsh environments
  • Improper installation leading to misalignment
  • Material defects causing premature failure
FMEA Triads
Trigger: Excessive loading beyond design limits
Failure: Plastic deformation or cracking
Mitigation: Implement load monitoring systems, regular inspection, and operator training on capacity limits
Trigger: Corrosion due to environmental exposure
Failure: Reduced cross-sectional area and strength degradation
Mitigation: Apply protective coatings, implement regular maintenance schedules, use corrosion-resistant materials
Trigger: Improper bolt torque during installation
Failure: Loosening of connections leading to vibration and stress concentration
Mitigation: Use calibrated torque wrenches, follow manufacturer torque specifications, implement torque verification procedures

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
Geometric tolerances per ISO 2768-mK, dimensional tolerances ±0.5mm on critical features
Test Method
Non-destructive testing (magnetic particle or ultrasonic), load testing to 150% of rated capacity, dimensional verification with CMM

Buyer Feedback

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"The technical documentation for this Back Plate is very thorough, especially regarding technical reliability."

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Frequently Asked Questions

What is the primary function of a Back Plate in bucket machines?

The Back Plate provides structural rigidity, distributes operational loads, and serves as the mounting interface between the bucket and the machine's hydraulic or mechanical arms.

How do I determine the correct Back Plate thickness for my application?

Thickness selection depends on bucket capacity, material density, and operational forces. Consult manufacturer specifications or calculate based on maximum expected load with appropriate safety factors (typically 2.5-3.0).

Can Back Plates be repaired if damaged?

Minor damage can be repaired through welding and machining, but significant deformation or cracking typically requires replacement to maintain structural integrity and safety.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

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