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  • BT 45 BT50 Spindle Runout Test Bar Taper Arbors
  • BT 45 BT50 Spindle Runout Test Bar Taper Arbors
  • BT 45 BT50 Spindle Runout Test Bar Taper Arbors
  • BT 45 BT50 Spindle Runout Test Bar Taper Arbors
  • BT 45 BT50 Spindle Runout Test Bar Taper Arbors
BT 45 BT50 Spindle Runout Test Bar Taper Arbors

BT 45 BT50 Spindle Runout Test Bar Taper Arbors

$29.00-$110.00/ Piece|10 Piece/Pieces(Min. Order)
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BT 45 BT50 Spindle Runout Test Bar Taper Arbors

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Precision Measurement: High-accuracy (0.3μm) spindle runout testing for ensuring machine tool precision in manufacturing and engineering.
  • Material Superiority: Crafted from GCr15 chrome steel for durability, resistance to deformation, and long-term stability under stress.

Key features

  • 1. Material Technology

    • With high-grade GCr15 chromium steel, ensure long-lasting durability and precision in harsh industrial environments. This corrosion-resistant material maintains structural integrity under repeated use, outperforming standard carbon steel tools*.

  • 2. Performance Parameters

    • With 0.3μm accuracy, achieve measurements that are 30% more precise than conventional test bars*, enabling tighter tolerance control for critical machining processes.

  • 3. Interactive Design

    • The tapered arbors design allows for quick and secure spindle alignment, streamlining setup processes and minimizing downtime during quality checks.

  • 4. Scenario Solutions

    • Tailored for CNC spindle maintenance in manufacturing, ensure consistent precision across high-volume production runs, reducing errors and enhancing part quality.

  • 5. Certification Standards

    • Complies with ISO 10360 standards for precision gauges*, ensuring traceable and reliable metrology results for certified industrial applications.

Product details

BT 45 BT50 Spindle Runout Test Bar Taper Arbors

The BT 45/BT50 Spindle Runout Test Bar Taper Arbors are precision-engineered measuring tools designed for assessing spindle runout in CNC machines. Crafted from GCr15 high-chromium steel, these arbors ensure exceptional durability and accuracy (0.3μm) in harsh industrial environments. Their tapered design and robust construction make them ideal for maintaining machining precision across manufacturing workflows.

Technical specifications

FeatureSpecificationBenefit
MaterialGCr15 steelHigh hardness, corrosion resistance
Accuracy±0.3μmEnsures precise spindle alignment
CompatibilityBT45/BT50 tapersUniversal fit for standard CNC spindles
ConstructionCylindrical, conical baseErgonomic grip and stable placement

Customization guide

Adjustable parameters:

  • Length/Shape: Modify dimensions to fit custom spindle configurations.
  • Surface Finish: Opt for polished or coated surfaces to reduce friction in high-speed applications.
  • Material Hardness: Harden further (e.g., 62HRC) for extreme wear resistance in abrasive environments.

Get inspired

With the BT45/BT50 arbors, manufacturers can eliminate spindle misalignment errors, ensuring consistent part quality. Their precision (0.3μm) guarantees reliable measurements in aerospace, automotive, and precision machining industries.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Accuracy±0.3μm±0.2μm (+50% improvement)±0.15μm (+100% improvement)
Material Hardness58HRC62HRC (+7% hardness)65HRC (+12% hardness)
WeightStandard10% lighter20% lighter

Supplier's note

  1. Technical Breakthroughs:

    • The Pro Model’s ±0.15μm accuracy triples the industry standard, enabling nanoscale precision in semiconductor tooling.
    • GCr15 steel’s 65HRC hardness outperforms competitors by 15%, resisting deformation in high-torque machining.
    • The Pro’s 20% lighter design reduces operator fatigue while maintaining structural integrity.

  2. Version Selection Guidance:

    • Base Model: Ideal for basic QC checks in low-volume workshops.
    • Advanced Model: Suitable for medium-scale manufacturers requiring ±0.2μm repeatability in automotive part production.
    • Pro Model: Best for aerospace and medical device industries needing ultra-precision (±0.15μm) in critical components.

With the Pro Model’s triple-certified chemical resistance, operators can safely use it in coolant-rich environments without compromising accuracy. Pair its lightweight design with CNC automation systems to streamline high-volume inspections.

Frequently asked questions

  • Which BT spindle runout test bar (BT45 vs BT50) suits CNC machining centers with different spindle sizes?

  • How do I maintain the GCr15 steel material of the BT spindle test bars to prevent rust?

  • What makes GCr15 steel better than stainless steel for spindle runout testing?

  • Can BT test bars be customized with additional calibration marks or storage solutions?

  • Is the 0.3μm accuracy of BT test bars validated for ISO standards?

  • What applications require the BT50's 0.3μm precision compared to lower-grade arbors?

  • How does the tapered design of BT arbors ensure stable contact during testing?

  • Are the wooden storage boxes for BT test bars customizable for workshop labeling systems?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Runout Test BarsPrecision Manufacturing, CNC CalibrationAccuracy: 0.5μm (Industry Standard) ▲0.3μm (Our Base) ▲0.2μm (Our Advanced)Ensures minimal runout errors; ISO 10360 certified for traceabilityHigher cost for Advanced models; requires calibration expertise
Taper ArborsAerospace Testing, Taper Hole InspectionGCr15 Steel (Rockwell HRC 62+) ▲Hardness vs Carbon Steel (ASTM A394)Resists deformation under high pressure; durable for repeated useRequires rust prevention; heavier than aluminum alternatives
Dial IndicatorsWorkshop QC, Field MeasurementsResolution: 0.001mm (ISO 14971) ▲Digital Display (Our Advanced)Affordable and intuitive; IP54 dust resistance (IEC 60529)Limited to 0.5mm range; mechanical wear over time
Digital GaugesAutomotive Assembly LinesIP67 Waterproof (IEC 60529) ▲Oil-Resistant Coating (Our Advanced)Resists workshop contaminants; real-time data logging capabilityRequires battery replacement; vulnerable to extreme temperatures
Surface Finish GaugesAutomotive Paint InspectionRoughness Detection: 0.5μm (ISO 4287) ▲0.2μm (Our Advanced)Identifies micro-scratches; portable for on-site useSensitive to temperature fluctuations; needs flat surface for accuracy
Calibration StandardsMetrology LabsTraceable to NIST (ISO/IEC 17025) ▲Certified Uncertainty <0.1μm (Advanced)Legal compliance in regulated industries; stable over -20°C to 60°CLimited to specific calibration ranges; fragile ceramic components

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