Editorial Technical Reference

Ground Assembly Unit

This page explains how Ground Assembly Unit is classified within Motor Vehicle Manufacturing. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.

Technical Definition & Core Assembly

A foundational structural component that provides stable mounting and alignment for equipment within an industrial system.

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Product Specifications

Technical details and manufacturing context for Ground Assembly Unit

Definition
The Ground Assembly Unit is a structural component used in motor vehicle manufacturing facilities. It serves as the primary interface between industrial machinery and the facility floor, providing a rigid, level foundation that ensures proper equipment positioning, vibration isolation, and load distribution throughout the Industrial System's operational lifecycle. The unit is typically fabricated from structural steel (grade Q235B per GB/T 700) and may incorporate reinforced concrete for additional stability. It features a customizable mounting layout with overall dimensions of 1200×800×150 mm (L×W×H), a mounting hole pattern of 4ר18 mm for M16 bolts (per ISO 273), and a flatness tolerance of ±0.05 mm/m (per ISO 1101). The surface is treated with zinc plating of 8–12 μm (per ASTM B633) for corrosion resistance. The unit has a static load capacity of 5000 kg, operates within a temperature range of -20 to 60 °C, and offers ingress protection ratings of IP54 to IP65 (per IEC 60529). The weight ranges from 85 to 120 kg depending on options. This component is designed to physically anchor industrial equipment to the facility floor through structural framing, leveling mechanisms, and fastening systems. It maintains precise spatial relationships between connected components while absorbing operational vibrations and distributing mechanical loads to prevent floor damage and maintain alignment accuracy. When selecting a Ground Assembly Unit, verify that the mounting hole pattern, load capacity, and environmental ratings match the specific equipment and facility requirements. Confirm the flatness tolerance and material grade with the manufacturer, as these are critical for alignment accuracy. Regular inspection of the leveling mechanisms and fastening systems is recommended to ensure continued performance. If the unit shows signs of deformation, corrosion, or loosening, it may no longer provide the required stability and should be evaluated for repair or replacement. Always consult the legal manufacturer or supplier to confirm model-specific values and standards before procurement.
Working Principle
The Ground Assembly Unit physically anchors industrial equipment to the facility floor through a combination of structural framing, leveling mechanisms, and fastening systems. It maintains precise spatial relationships between connected components while absorbing operational vibrations and distributing mechanical loads to prevent floor damage and maintain alignment accuracy. The unit's rigid structure and adjustable leveling feet allow for fine-tuning of equipment position, ensuring that machinery operates within specified tolerances. The fastening system, typically using M16 bolts, secures the unit to the floor, while the structural steel frame and optional concrete base provide stability and load distribution. Vibration isolation is achieved through the inherent damping properties of the materials and the design of the mounting interface.
Common Materials
Structural Steel, Reinforced Concrete
Technical Parameters
ParameterTypical rangeNotes & selection driver
Overall Dimensions (L×W×H)1200×800×150 mmCustomizable per mounting layout
Mounting Hole Pattern4ר18 mmFor M16 boltsISO 273
Flatness Tolerance±0.05 mm/mEnsures alignment accuracyISO 1101
Material GradeQ235BStructural steelGB/T 700
Surface TreatmentZinc plating 8–12 μmCorrosion resistanceASTM B633
Load Capacity5000 kgStatic load
Operating Temperature-20–60 °CBeyond range may affect material properties
Ingress ProtectionIP54–IP65Dust and water resistanceIEC 60529
Weight85–120 kgDepends on options

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
  • Base Frame Part
    Primary structural support that distributes equipment loads
    Material: Hot-rolled steel sections
  • Leveling Feet
    Adjustable supports for achieving precise equipment alignment
    Material: Forged steel with polymer pads
  • Anchor Bolt Set Part
    Secures the assembly unit to the concrete floor
    Material: Grade 8.8 steel
  • Concrete Base Optional
    The poured foundation the anchor bolts are set into.

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Ground Assembly Unit.

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: 0 to 10 bar
temperature: -40°C to 150°C
load capacity: Up to 5000 kg
alignment tolerance: ±0.5 mm
Media Compatibility
✓ Industrial water systems ✓ Compressed air lines ✓ General chemical processing fluids
Unsuitable: Highly corrosive acidic environments (e.g., concentrated sulfuric acid)
Sizing Data Required
  • Maximum equipment weight and dimensions
  • Required mounting interface specifications
  • Environmental conditions (temperature, exposure)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Bearing fatigue failure
Cause: Cyclic loading from rotational imbalance or misalignment, leading to subsurface crack initiation and propagation
Seal degradation and leakage
Cause: Thermal cycling causing elastomer hardening, combined with particulate contamination abrading sealing surfaces
Maintenance Indicators
  • High-frequency vibration (>4X rotational frequency) detected via accelerometer, indicating bearing defect progression
  • Visible fluid weeping at seal interfaces accompanied by temperature rise at bearing housing (>15°C above ambient)
Engineering Tips
  • Implement laser shaft alignment during installation and quarterly verification to maintain alignment within 0.002 inches per inch of coupling span
  • Establish proactive lubrication regime using condition-based monitoring: analyze oil samples quarterly for wear metals and maintain ISO cleanliness code ≤18/16/13

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
ANSI/ASME B4.1-2016 Limits and Fits DIN EN 1090-2 Execution of steel structures and aluminum structures

Quoted from the published standard.

Manufacturing Precision
  • Flatness: 0.1mm per meter
  • Bore diameter: +/-0.02mm
Quality Inspection
  • Dimensional Verification with CMM
  • Dye Penetrant Testing for surface defects

Manufacturers of Ground Assembly Unit

Manufacturer profiles associated with Ground Assembly Unit.

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Frequently Asked Questions

What is the Ground Assembly Unit used for?

It provides a stable, level foundation for mounting industrial equipment in motor vehicle manufacturing facilities, ensuring proper positioning, vibration isolation, and load distribution.

What are the key specifications to verify before purchase?

Verify overall dimensions, mounting hole pattern, flatness tolerance, material grade, surface treatment, load capacity, operating temperature, ingress protection, and weight with the manufacturer, as these may vary by model.

How is the unit installed?

The unit is anchored to the facility floor using M16 bolts through the mounting holes. Leveling mechanisms are adjusted to achieve the required flatness tolerance. Ensure the floor can support the static load capacity.

What maintenance is required?

Periodically inspect the leveling mechanisms, fastening bolts, and surface condition for corrosion or damage. Re-torque bolts as needed and verify alignment. If deformation or excessive wear is observed, consult the manufacturer for evaluation.

Data Basis

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

Preliminary Technical Classification
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