INDUSTRY COMPONENT

Back Plate

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

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
ParameterTypical rangeNotes & selection driver
Weight15-80 kg depending on thickness and size
Hardness150-200 HB
DimensionsVaries by bucket size (typically 300-1200mm width, 200-800mm height)
Mounting HolesStandardized pattern for attachment to bucket arms
Surface FinishRa 3.2-6.3 μm
Flatness Tolerance≤1.5mm/m

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

Standards
ISO 8521, DIN 15061, ISO 286-2

Parent Products

This component is used in the following industrial products

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

Typical Suppliers & Equivalents

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

Procurement Evaluation Criteria

A practical evidence checklist for RFQ preparation and supplier evaluation.

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.

Manufacturers of Back Plate

2 companies list this product among what they make. Company figures are quoted from each company's own website; every card states where the relationship came from.

Powertech Auto Parts Co., Ltd.
Qingdao, Shandong, CN
Founded 1995
IATF 16949 ECE R90
Also makes: Brake Pad, Brake Lining, Brake Shoe and 4 more
Listed on the company's own website · profile compiled by CNFX from public sources
Qingdao Allmax Brake Co., Ltd.
Qingdao, Shandong, CN
Founded 1982over 200 staff staff66000m2
ISO9001 ISO14001 IATF16949 ECE-R90 +1
Also makes: Brake Pad, Brake Lining, Construction Equipment and 1 more
Listed on the company's own website · profile compiled by CNFX from public sources

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

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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.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

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.

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