Diameter Measurement Technology for Titanium Rods

In the precision forging of titanium rods, accurate diameter measurement is essential for ensuring consistent product quality and meeting strict dimensional tolerances. The titanium rod diameter measurement system is designed to monitor the rod's outer dimensions in real time during the forging process, particularly under high-temperature and dynamic conditions.

System Overview

The caliper-based measurement system primarily consists of two main components:

• Mechanical Caliper Unit

• Automated Control System, which includes:

  • Industrial control cabinet

  • Embedded industrial PC (IPC)

  • Display monitor

  • Audible and visual alarm unit

Given that forged titanium rods often exit the press at elevated temperatures, the system also includes a high-pressure centrifugal blower and air filtration unit to provide clean, high-speed airflow for cooling the caliper’s internal components and preventing thermal deformation or sensor drift.

Installation and Function

The caliper system is typically installed at the exit of the forging press. As the titanium rod rotates and is drawn out of the forging machine, the system begins real-time, non-contact measurement of its outer diameter. If the measured diameter deviates from the preset tolerance range, the system triggers an automatic audio-visual alarm to alert operators for immediate action, thereby minimizing defect rates and material waste.

Measurement Modes Based on Rod Diameter

The system adapts to different rod sizes using configurable measurement probes:

• For rods ≤ 50mm in diameter:
  A single-point sensor is employed at the centerline to measure the diameter with high speed and reliability.

• For rods > 50mm in diameter:
  A dual-sensor configuration is used. The distance between the probes is adjustable, allowing for precise measurement across a wider diameter range. As the forging process gradually reduces the rod's diameter, the system dynamically adjusts the probe spacing to maintain measurement accuracy.

Advanced Capabilities

In addition to diameter monitoring, the system can be upgraded with a straightness measurement module, enabling comprehensive dimensional analysis of the titanium rod. This inline feature ensures that both diameter and linearity are continuously measured during production, helping manufacturers maintain strict quality standards and reduce the need for post-processing inspection.

The combination of wide-span measurement capability, high precision, and real-time monitoring makes this solution ideal for high-end titanium applications where dimensional control is critical — such as in aerospace, medical implants, and high-performance industrial components.