INDUSTRY COMPONENT

Foundation/Base Plate

Foundation plate for jib crane structural support and load distribution

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Component Specifications

Definition
A structural steel plate component that serves as the primary load-bearing interface between a jib crane's vertical column and the concrete foundation. It distributes operational loads (vertical, horizontal, and moment forces) from the crane structure to the foundation while providing precise alignment and anchorage points for the column base.
Working Principle
The foundation plate functions as a rigid load transfer mechanism that converts concentrated crane loads into distributed foundation pressures. It provides a flat, level mounting surface for the jib crane column while incorporating anchor bolt holes for secure attachment. The plate's thickness and dimensions are calculated to prevent bending under maximum crane loads and to maintain structural integrity throughout the crane's operational life.
Materials
ASTM A36 structural steel plate or equivalent, typically with minimum yield strength of 250 MPa and tensile strength of 400-550 MPa. Surface may be hot-dip galvanized or painted with corrosion-resistant coatings for environmental protection.
Technical Parameters
  • Thickness 20-50 mm
  • Dimensions Custom based on crane capacity (typically 600x600 mm to 1200x1200 mm)
  • Load Capacity Designed for 1.5x maximum crane load
  • Surface Finish Mill scale removed, blasted to Sa 2.5
  • Anchor Bolt Holes 4-8 holes with 25-36 mm diameter
  • Flatness Tolerance ±1.5 mm over entire surface
Standards
ISO 12488-1, DIN 15018, ISO 4301-1, DIN 4114

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Foundation/Base Plate.

jib crane foundation plate base plate crane mounting plate structural steel plate anchor bolt plate crane foundation load distribution plate industrial crane components Foundation/Base Plate Foundation/Base Plate in Machinery and Equipment Manufacturing

Parent Products

This component is used in the following industrial products

Jib Crane

A lifting device consisting of a horizontal jib or boom that is attached to a wall or floor-mounted pillar, used for lifting and moving loads within a limited circular area.

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Engineering Analysis

Risks & Mitigation
  • Improper alignment causing column stress
  • Inadequate grouting leading to uneven load distribution
  • Corrosion in harsh environments
  • Anchor bolt failure under dynamic loads
  • Foundation cracking from excessive bearing pressure
FMEA Triads
Trigger: Insufficient plate thickness
Failure: Plate bending or permanent deformation under load
Mitigation: Calculate required thickness based on maximum moment and shear forces with appropriate safety factors
Trigger: Poor surface preparation
Failure: Reduced bond strength between plate and grout/concrete
Mitigation: Implement proper surface cleaning, blasting, and priming procedures before installation
Trigger: Incorrect anchor bolt placement
Failure: Bolt shear or pull-out failure during crane operation
Mitigation: Use precision templates during foundation construction and verify bolt positions before concrete placement

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
Plate flatness: ±1.5 mm, Hole position: ±2 mm, Plate dimensions: ±3 mm
Test Method
Visual inspection, dimensional verification, non-destructive testing (magnetic particle or dye penetrant), load testing with strain gauges

Buyer Feedback

★★★★☆ 4.5 / 5.0 (37 reviews)

"Impressive build quality. Especially the technical reliability is very stable during long-term operation."

"As a professional in the Machinery and Equipment Manufacturing sector, I confirm this Foundation/Base Plate meets all ISO standards."

"Standard OEM quality for Machinery and Equipment Manufacturing applications. The Foundation/Base Plate arrived with full certification."

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Frequently Asked Questions

What is the purpose of grouting under a jib crane foundation plate?

Grout fills the gap between the foundation plate and concrete foundation, ensuring full bearing contact and preventing stress concentrations. It provides uniform load transfer and compensates for minor surface irregularities.

How are anchor bolts sized for jib crane foundation plates?

Anchor bolts are sized based on maximum uplift and shear forces, with typical diameters of 25-36 mm. They must extend sufficiently into the concrete foundation (minimum 12x bolt diameter) and include proper embedment and edge distance per structural calculations.

Can foundation plates be reused when relocating a jib crane?

Foundation plates are generally not reusable due to potential deformation from previous loading and difficulty in removing embedded anchor bolts. New plates are recommended for crane relocations to ensure structural integrity.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

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Foundation/Base Fourth Hole (Offtake)