Boring Head: Precision Hole Machining with ±0.005mm Tolerance

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Boring Head: Precision Tool for Enlarging Holes in Machining

A precision component mounted on boring or milling machine spindles for enlarging holes or improving hole accuracy. Equipped with fine adjustment mechanisms (e.g., precision dials), it controls hole machining tolerance within ±0.005mm, suitable for high-precision hole systems (e.g., engine blocks, hydraulic valve bodies).
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Advantages of the product

Multi-Axis Compatibility

Mounts on milling and boring machine spindles (BT, HSK interfaces), supporting both manual and CNC operations. Adjustable cutting edges (single-point inserts) accommodate hole diameters from 5mm to 500mm.

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The combination of these heads with CNC machine tools allows for automatic diameter change using servo motors with an accuracy of ±0.002mm. These also support live and high speed machining (spindle speeds of up to 8000rpm) as well as active tool wear compensation with ergonomically placed sensor tools. The five-axis machining centers which heavily depend on these components enable greatly reduced supervision when drilling complex geometries such as angled holes in turbine casings lower.

Frequently Asked Questions

How do boring heads handle heavy cuts?

Forged steel bodies (hardness 58-62HRC) and anti-backlash mechanisms resist deflection during heavy cuts (axial load up to 50kN), suitable for deep-hole boring (depth-to-diameter >15:1).
Yes, they comply with ISO 5089 and ASME B5.48, ensuring accuracy in automotive, aerospace, and heavy machinery industries for global manufacturing compatibility.

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Customer Reviews

Marley

Machining engine cylinder bores with ±0.005mm tolerance, this head’s fine-thread adjustment (0.001mm resolution) and carbide inserts ensured perfect piston fits. Surface finish Ra≤1.6μm met OEM standards.

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boring head set nbh2084 boring head cnc boring head boring head with fine adjustment boring head
Thermal Stability

Thermal Stability

Heat-treated components (temper resistance up to 560°C) and anti-vibration designs maintain accuracy during prolonged machining. Suitable for high-temperature environments in power generation and oilfield equipment manufacturing.
Industry Standards Compliance

Industry Standards Compliance

Meets ISO 5089 and ASME B5.48 standards for boring accuracy, ensuring compatibility with global manufacturing requirements in automotive, aerospace, and heavy machinery industries.
Versatile Application Scenarios

Versatile Application Scenarios

Used in medical device machining for precision holes in implants, automotive for cylinder bores, and aerospace for turbine casings. Adapts to both small-scale shops and large industrial production lines.