Editorial Technical Reference

Carriage Body

This page explains how Carriage Body 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

The main structural frame of a carriage or slider block assembly that houses and supports moving components.

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Product Specifications

Technical details and manufacturing context for Carriage Body

Definition
The carriage body is the primary structural component within a carriage or slider block system, providing a rigid framework that houses and supports various moving elements such as bearings, guides, and attachment points. It ensures precise alignment and smooth linear motion while withstanding operational loads and forces. Typically manufactured from cast iron, aluminum alloy, or steel, the carriage body is designed to maintain geometric integrity during operation, transferring loads from attached components to the guiding system while offering mounting surfaces for functional parts. Its design minimizes deflection and vibration, contributing to the overall accuracy and reliability of the linear motion system. The carriage body is available in a range of configurations to suit different application requirements, with key parameters including overall length (200–600 mm), width (100–300 mm), and height (50–150 mm). Mounting hole diameter (6.6–13.5 mm) and spacing (40–120 mm) are specified to ensure compatibility with standard bolts and rails. Precision features such as base flatness (0.02–0.05 mm) and guide surface parallelism (0.01–0.03 mm) are critical for uniform load distribution and smooth motion. Material hardness (50–60 HRC) and tensile strength (600–900 MPa) are important for wear resistance and structural integrity. The operating temperature range is -20 to 80 °C, and the maximum load capacity is 10–50 kN. Weight ranges from 5 to 30 kg, affecting inertia and handling. These values are reference ranges and must be verified for the specific model and application. Always consult the manufacturer or supplier for exact specifications and compliance with relevant standards.
Working Principle
The carriage body functions as a stationary or moving structural element that maintains geometric integrity during linear motion. It transfers loads from attached components to the guiding system while providing mounting surfaces for functional parts. Its design ensures minimal deflection and vibration during operation, which is essential for precise positioning and smooth movement. The body's rigidity and dimensional accuracy directly influence the performance of the entire carriage assembly.
Common Materials
Cast Iron, Aluminum Alloy, Steel
Technical Parameters
ParameterTypical rangeNotes & selection driver
Overall Length200–600 mmDetermines stroke and mounting footprint.
Overall Width100–300 mmAffects lateral stability and rail spacing.
Overall Height50–150 mmInfluences center of gravity and clearance.
Mounting Hole Diameter6.6–13.5 mmMatches standard bolts for secure mounting.ISO 273
Mounting Hole Spacing40–120 mmEnsures compatibility with standard rails.
Base Flatness0.02–0.05 mmCritical for uniform load distribution.ISO 1101
Guide Surface Parallelism0.01–0.03 mmEnsures smooth motion and accuracy.ISO 1101
Material Hardness50–60 HRCHigher hardness improves wear resistance.ISO 6508
Tensile Strength600–900 MPaEnsures structural integrity under load.ISO 6892
Operating Temperature-20–80 °COutside range may affect material properties.
Maximum Load Capacity10–50 kNExceeding may cause deformation or failure.
Weight5–30 kgAffects inertia and handling.

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
  • Mounting Surface Part
    Provides flat, machined surfaces for attaching other components and assemblies
    Material: Machined Steel
  • Bearing Housing Part
    Precisely machined cavities or surfaces that accommodate linear bearings or bushings
    Material: Hardened Steel
  • Guide Rail Interface Part
    Contact surfaces that interface with linear guide rails for smooth motion
    Material: Hardened Steel
  • Reinforcement Ribs Part
    Structural elements that increase rigidity and reduce deflection under load
    Material: Same as base material

Applied To / Applications

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

Carriage (Slider Block)
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Carriage (Slider/Block)
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Carriage / Moving Platform
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Slider/Carriage
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Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Up to 10 MPa (static), 5 MPa (dynamic)
other spec: Max linear velocity: 2 m/s, Max particulate concentration: 15% by weight
temperature: -40°C to 150°C
Media Compatibility
✓ Hydraulic fluids (mineral oil-based) ✓ Industrial process water ✓ Lubricated air systems
Unsuitable: Highly corrosive chemical environments (e.g., concentrated acids, strong oxidizers)
Sizing Data Required
  • Required load capacity (kN)
  • Stroke length (mm)
  • Mounting interface dimensions (mm)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Fatigue cracking
Cause: Cyclic loading from operational vibrations and stress concentrations at weld joints or sharp corners, leading to crack initiation and propagation.
Corrosion and material degradation
Cause: Exposure to harsh environmental conditions (moisture, chemicals, salt) combined with inadequate protective coatings or material selection, resulting in pitting, rust, or structural weakening.
Maintenance Indicators
  • Visible cracks, deformations, or unusual gaps in the carriage body structure
  • Abnormal noises (e.g., grinding, creaking) during operation indicating structural stress or loose components
Engineering Tips
  • Implement regular non-destructive testing (e.g., ultrasonic or magnetic particle inspection) to detect early-stage cracks and corrosion before they propagate.
  • Apply corrosion-resistant coatings and ensure proper drainage to prevent moisture accumulation, coupled with design modifications to reduce stress concentrations at critical joints.

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
ASTM A370 Standard Test Methods and Definitions for Mechanical Testing of Steel Products DIN 15018-1 Cranes; Steel Structures; Verification and Analysis

Quoted from the published standard.

Manufacturing Precision
  • Bore Diameter: +/-0.02mm
  • Flatness of Mounting Surfaces: 0.1mm
Quality Inspection
  • Dye Penetrant Test for Surface Cracks
  • Dimensional Verification with CMM (Coordinate Measuring Machine)

Manufacturers of Carriage Body

Manufacturer profiles associated with Carriage Body.

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Frequently Asked Questions

What materials are commonly used for carriage bodies?

Common materials include cast iron, aluminum alloy, and steel. The choice depends on application requirements such as weight, strength, and cost.

What are the typical mounting hole dimensions?

Mounting hole diameter ranges from 6.6 to 13.5 mm, and spacing from 40 to 120 mm, per ISO 273. Verify exact values for your model.

How does base flatness affect performance?

Base flatness (0.02–0.05 mm) ensures uniform load distribution and proper alignment, reducing stress and wear.

What is the maximum load capacity?

The maximum load capacity is 10–50 kN, but this depends on the specific model and operating conditions. Always confirm with the manufacturer.
Data basis: editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

Data Basis

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

Preliminary Technical Classification
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