Morse Taper Inspection Bar

Precision Morse Taper Inspection Bar

(Alternate Names:MT Test Mandrel,Spindle Taper Gauge,Machine Tool Alignment Bar)

Product Description

The Morse Taper Inspection Bar is a ultra-precision metrology instrument specifically engineered for verifying the geometric accuracy and seating integrity of Morse taper spindles in machine tools.Manufactured to exacting standards,this calibration tool is essential for quality assurance in machine tool production,maintenance,and periodic verification.

Key Technical Attributes

◆Dimensional Accuracy

Conforms to ISO 296/ASME B5.10 Morse taper standards(MT1-MT6)

Taper angle tolerance:±15 arc-seconds

Surface contact ratio:≥90%(verified via precision bluing)

◆Advanced Material Science

Core material:Vacuum-treated GCr15 bearing steel(HRC62±1)

Surface enhancement:

•Cryogenic stabilization(-196°C for 24 hours)

•Diamond-ground finish(Ra 0.05μm max)

Thermal-compensated design:Invar alloy core(CTE 0.3μm/m·°C)

◆Metrology Performance

Radial runout:≤2μm at gauge line

Axial alignment:≤3μm TIR over 300mm

Form deviation:≤0.5μm roundness error

Functional Applications

✓Spindle taper wear analysis

✓Tool holder seating verification

✓Machine tool acceptance testing

✓Preventive maintenance inspection

✓CNC machine realignment

Technical Specifications

Parameter Specification

Taper Range MT1-MT6

Inspection Length 150-600mm(modular extension available)

Surface Hardness HV750 min

Straightness≤1μm/100mm

Certification Traceable to NIST standards

Operational Protocol

Preparation:

Thermal stabilize in measurement environment(4 hrs minimum)

Clean spindle taper with lint-free swab and anhydrous alcohol

Measurement:

Use with 0.1μm resolution dial indicators

Apply uniform seating pressure(50N·m torque recommended)

Maintenance:

Store in climate-controlled case(20±2°C)

Annual recertification required

Apply corrosion inhibitor for long-term storage

Industry Compliance

Meets VDI/DGQ 3441 Class AA requirements

Qualified per ISO 230-1 test standards

Recognized by major machine tool OEMs

Typical Use Cases

•Machine tool OEM final inspection

•High-precision grinding machine verification

•Aerospace component machining QA

•Automotive production line tooling validation

(Note:Custom configurations available for special applications including carbide-tipped versions for production environments.)

This precision inspection instrument represents the gold standard in machine tool taper verification,combining metrology-grade accuracy with industrial durability for reliable performance in demanding manufacturing environments.