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INDUSTRY COMPONENT

Ball Screw Nut Bracket

A precision bracket that secures the ball screw nut to the carriage in CNC machines, ensuring accurate linear motion along the Y-axis.

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Component Specifications

Definition

The Ball Screw Nut Bracket is a critical mounting component in CNC machine tools that rigidly fixes the ball screw nut to the carriage assembly on the Y-axis. It provides precise alignment and support to convert the rotary motion of the ball screw into linear movement of the carriage, maintaining positional accuracy and minimizing deflection under load.

Working Principle

The bracket mechanically couples the ball screw nut to the carriage structure. As the ball screw rotates, the nut moves linearly along the screw threads. The bracket transfers this motion to the carriage while preventing rotation of the nut, ensuring pure translational movement along the Y-axis guideways.

Materials

Typically manufactured from high-strength aluminum alloys (e.g., 6061-T6, 7075-T6) or structural steel (e.g., AISI 1045, S45C) with precision machining. May include hardened steel inserts at mounting points.

Technical Parameters

Stiffness >100 N/μm
Surface Finish Ra 1.6 μm or better
Weight Capacity 50-500 kg depending on design
Mounting Hole Pattern ISO metric or custom
Operating Temperature -20°C to 80°C

Standards

ISO 3408, DIN 69051

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Ball Screw Nut Bracket.

Parent Products

This component is used in the following industrial products

Carriage (Y-axis)

A movable component that travels along the Y-axis of a bridge or gantry machine structure, typically carrying the tool head or workpiece.

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Engineering Analysis

Risks & Mitigation

Misalignment causing premature wear
Insufficient rigidity leading to positioning errors
Fatigue failure under cyclic loading

FMEA Triads

Trigger: Improper installation or mounting surface irregularities
Failure: Bracket misalignment causing binding or excessive friction
Mitigation: Use precision alignment tools during installation and verify mounting surface flatness

Trigger: Insufficient bolt torque or vibration loosening
Failure: Bracket detachment or movement during operation
Mitigation: Apply proper torque sequence with thread-locking compounds and implement regular maintenance checks

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance

±0.02 mm for critical mounting surfaces

Test Method

Coordinate measuring machine (CMM) verification, laser alignment testing, load deflection analysis

Procurement Evaluation Criteria

Not customer reviews or live demand data. These dimensions support RFQ preparation and supplier evaluation.

Technical documentation

4/5

Manufacturing capability

4/5

Inspection readiness

5/5

Supplier transparency

3/5

These scores are example evaluation dimensions, not real customer ratings, country-specific buyer feedback, or live inquiry activity.

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Frequently Asked Questions

What is the primary function of a ball screw nut bracket?

To securely mount the ball screw nut to the machine carriage, ensuring precise transfer of rotary motion to linear movement while maintaining alignment and rigidity.

Can these brackets be customized for different machines?

Yes, they are often custom-designed to match specific carriage configurations, load requirements, and mounting interfaces of different CNC machines.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

Data Basis

CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks.

Preliminary Technical Classification

This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.