HR3D — Roughness & Step Height Measurement
The HR3D is a state-of-the-art equipment for the measurement of roughness and score. It provides instantaneous and accurate measurement of surface topography.
It is available in two versions: a laboratory model for offline measurements and a rugged measuring head for online installation.
Applications and Purpose
The HR3D is a powerful tool for objectively assessing the control of roughness and score, ensuring a quick return on investment.
Typical Applications:
- Quality control for roughness of board and paper.
- Quality control for score (creasing) of board packaging.
- Quality control for roughness of engineered wood panel.
Specific Testing Procedures:
- Roughness Testing (Surface Control): The user moves the HR3D over the substrate. The results include several roughness parameters: Ra, Sa, Rq, Sq, Ra MinMax, and Rq MinMax.
- Score Testing (Creasing Control): The user moves the HR3D over the crease or hollow bump. The results provide mean values and standard deviations for the height, width, and centering of the score.
Key Features & Highlights
- Measurement Principle: A contactless laser beam maps the analyzed surface, and data is recorded by a high-resolution digital camera.
- Components (Laboratory Unit): It includes a camera, laser, ultrasonic sensor, electronic card, air cleaning, and power/camera connectors. The lab version is small and portable for manual offline measurements (Q.C. and R&D).
- Software: It uses user-friendly software running in a controlling PC under the Windows operating system.
- The software calculates roughness parameters.
- It provides test reports which may be easily integrated into any network or DCS.
- Test reports are generated as Formatted TXT files.
Technical Characteristics
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Characteristic
Laboratory Version
Online Version
Measurement width
$35 \text{ mm}$ [cite: 168]
$59 \text{ mm}$ [cite: 169]
Vertical range (Z)
$1.6 \text{ mm}$ [cite: 171]
$7.5 \text{ mm}$ [cite: 172]
Resolution vertical (Z)
$4 \text{ µm}$ [cite: 173]
$4 \text{ µm}$ [cite: 174]
Resolution X
$30 \text{ µm}$ [cite: 176]
$30 \text{ µm}$ [cite: 177]
Measuring step Y
Programmable from $87 \text{ µm}$ up to $1 \text{ meter}$ [cite: 179]
Programmable from $87 \text{ µm}$ up to $1 \text{ meter}$ [cite: 179]
Testing Software
User friendly running under Windows [cite: 183]
User friendly running under Windows [cite: 183]
Controlling PC
Regular computer running Windows OS [cite: 193]
Regular computer running Windows OS [cite: 193]
