scholarly journals Cutting Edge Height Measurement of a Rotary Cutting Tool by a Laser Displacement Sensor

2012 ◽  
Vol 6 (6) ◽  
pp. 815-828 ◽  
Author(s):  
Shinichi OSAWA ◽  
So ITO ◽  
Yuki SHIMIZU ◽  
SungHo JANG ◽  
Wei GAO ◽  
...  
Keyword(s):  
Cutting Tool ◽  
Cutting Edge ◽  
Displacement Sensor ◽  
Laser Displacement Sensor ◽  
Height Measurement ◽  
Rotary Cutting

3377 Height measurement of cutting edge by a laser displacement sensor

2011 ◽  
Vol 2011.6 (0) ◽  
pp. _3377-1_-_3377-4_
Author(s):  
Shinichi OSAWA ◽  
Yuki SHIMIZU ◽  
Wei GAO ◽  
Tsutomu FUKUDA ◽  
Akira KATO ◽  
...  
Keyword(s):  
Cutting Edge ◽  
Displacement Sensor ◽  
Laser Displacement Sensor ◽  
Height Measurement

scholarly journals A Comparison of the Probes with a Cantilever Beam and a Double-Sided Beam in the Tool Edge Profiler for On-Machine Measurement of a Precision Cutting Tool

Machines ◽  
2021 ◽  
Vol 9 (11) ◽  
pp. 271
Author(s):  
Bo Wen ◽  
Sho Sekine ◽  
Shinichi Osawa ◽  
Yuki Shimizu ◽  
Hiraku Matsukuma ◽  
...  
Keyword(s):  
Cantilever Beam ◽  
Cutting Tool ◽  
Displacement Sensor ◽  
Laser Displacement Sensor ◽  
Tool Edge ◽  
Edge Profile ◽  
Measurement Principle ◽  
Beam Type ◽  
Tool Position ◽  
Tool Cutting

This paper describes a comparison of the mechanical structures (a double-sided beam and a cantilever beam) of a probe in a tool edge profiler for the measurement of a micro-cutting tool. The tool edge profiler consists of a positioning unit having a pair of one-axis DC servo motor stages and a probe unit having a laser displacement sensor and a probe composed of a stylus and a mechanical beam; on-machine measurement of a tool cutting edge can be conducted with a low contact force through measuring the deformation of the probe by the laser displacement sensor while monitoring the tool position. Meanwhile, the mechanical structure of the probe could affect the performance of measurement of the edge profile of a precision cutting tool. In this paper, the measurement principle of the tool edge profile is firstly introduced; after that, slopes and a top-flat of a cutting tool sample are measured by using a cantilever-type probe and a double-sided beam-type probe, respectively. The measurement performances of the two probes are compared through experiments and theoretical measurement uncertainty analysis.

Measurement of Cutting Edge Width of a Rotary Cutting Tool by Using a Laser Displacement Sensor

2014 ◽  
Vol 8 (1) ◽  
pp. 28-33 ◽  
Author(s):  
So Ito ◽  
◽  
Sho Sekine ◽  
Yuki Shimizu ◽  
Wei Gao ◽  
...  
Keyword(s):  
Light Intensity ◽  
Cutting Tool ◽  
Calibration Method ◽  
Laser Spot ◽  
Displacement Sensor ◽  
Laser Displacement Sensor ◽  
Spot Diameter ◽  
Reflected Light ◽  
Tool Edge ◽  
Laser Spot Diameter

This paper introduces the widthmeasurement of a cutting tool edge by utilizing a laser triangulation displacement sensor. By using the reflected light intensity of the laser displacement sensor, micrometric edge width which is smaller than the diameter of the laser beam spot can be measured. With regard to the quantitative evaluation of the laser spot diameter, a calibration method of the laser spot diameter is achieved by using the pin-gauges. The diameter of the laser spot is obtained by using the pin-gauges, and the relationship between the reflected light intensity and the diameter of the pin-gauges are investigated. The width of the cutting tool edge is measured by the calibrated laser spot diameter, and then the reproducibility is evaluated.

Boring by Plug-Type Rotary Cutting Tool

1990 ◽  
Vol 112 (2) ◽  
pp. 136-141 ◽  
Author(s):  
K. Yamaguchi ◽  
T. Nakamura ◽  
S. Kato
Keyword(s):  
Surface Finish ◽  
Cutting Forces ◽  
Cutting Tool ◽  
Cutting Edge ◽  
Machining Accuracy ◽  
Test Results ◽  
Practical Tool ◽  
Rotary Cutting ◽  
Machining Properties ◽  
Tool Rotation

A new boring process is introduced and machining properties are examined. In this process, a drilled hole is finished with a plug-type rotary cutting tool which has a ring-like cutting edge. The plug-type rotary cutting tool is forced into the hole while rotating about the central axis. The effects of the tool rotation on cutting forces and surface finish are experimentally examined, and a practical tool which has a burnishing guide just behind the cutting edge is designed. The machining accuracy of this tool is compared with that of a chucking reamer. Test results show that the inside diameter of the hole finished by the plug-type tool is accurate and stable, even if the tool has an eccentricity.

Turning Dynamics: Part 1 — Experimental Analysis

2012 ◽  
Author(s):  
Eric B. Halfmann ◽  
C. Steve Suh ◽  
N. P. Hung
Keyword(s):  
Instantaneous Frequency ◽  
Period Doubling ◽  
Displacement Sensor ◽  
Laser Displacement Sensor ◽  
Turning Process ◽  
Time Frequency ◽  
Spectral Components ◽  
Tool Vibrations ◽  
Exact Moment ◽  
The Stability

The workpiece and tool vibrations in a lathe are experimentally studied to establish improved understanding of cutting dynamics that would support efforts in exceeding the current limits of the turning process. A Keyence laser displacement sensor is employed to monitor the workpiece and tool vibrations during chatter-free and chatter cutting. A procedure is developed that utilizes instantaneous frequency (IF) to identify the modes related to measurement noise and those innate of the cutting process. Instantaneous frequency is shown to thoroughly characterize the underlying turning dynamics and identify the exact moment in time when chatter fully developed. That IF provides the needed resolution for identifying the onset of chatter suggests that the stability of the process should be monitored in the time-frequency domain to effectively detect and characterize machining instability. It is determined that for the cutting tests performed chatters of the workpiece and tool are associated with the changing of the spectral components and more specifically period-doubling bifurcation. The analysis presented provides a view of the underlying dynamics of the lathe process which has not been experimentally observed before.

Vibration Test of Titanium Alloy Pipes

2012 ◽  
Vol 184-185 ◽  
pp. 701-706
Author(s):  
Ming Xing Qiu ◽  
Chuang Shao ◽  
Yong Zhou ◽  
Li Hua Yue
Keyword(s):  
Titanium Alloy ◽  
Failure Criteria ◽  
Fatigue Tests ◽  
Test Method ◽  
Displacement Sensor ◽  
Laser Displacement Sensor ◽  
New Findings ◽  
Vibration Fatigue ◽  
Welded Pipe ◽  
Test Result

In order to determine the fatigue limits of two kinds of titanium alloy pipes connected by welding and rolling, fatigue tests were carried out by the Aero-Criterion which gives vibration fatigue test method and failure criteria. A laser-displacement-sensor was used at the free end and a strain-gauge at the root of the pipe specimen. The test result shows that the fatigue limit of the welded pipe is higher than the rolled one. In the end some new findings are listed according to the test.

In-Process Visualisation for Deformation Monitoring and Analysis of Sheet Metal Forming Processes

2013 ◽  
Vol 677 ◽  
pp. 384-387 ◽  
Author(s):  
Wai Kei Ricky Kot ◽  
Luen Chow Chan
Keyword(s):  
Sheet Metal ◽  
Sheet Metal Forming ◽  
Deep Drawing ◽  
Metal Forming ◽  
Deformation Process ◽  
Deformation Monitoring ◽  
Displacement Sensor ◽  
Laser Displacement Sensor ◽  
Profile Data ◽  
Profile Change

In this paper, a visualisation system will be discussed that can be used to capture the deformation profile of the sheet blank during sheet metal forming processes, such as deep drawing and shape forming. The visualisation system utilizes a 2D laser displacement sensor for deformation profile acquisition. The sensor is embedded in the die and the laser propagates through the die to detect the profile change of the specimen concealed in the die during operation. The captured profile data will be collected, manipulated and transferred to a monitor for display via a controller. This visualisation of the deformation profile will provide engineers and researchers with an intuitive means of analysing and diagnosing the deformation process during sheet metal forming.

Profile Measurement of a Curved Workpiece by the Fuzzy Control of Sensor Positioning

1999 ◽  
Author(s):  
Masatake Shiraishi ◽  
Gongjun Yang
Keyword(s):  
Fuzzy Control ◽  
Control Algorithm ◽  
Experimental Results ◽  
Measuring System ◽  
Displacement Sensor ◽  
Profile Measurement ◽  
Laser Displacement Sensor ◽  
Inclination Angles ◽  
Fuzzy Control Algorithm ◽  
Sensor Positioning

Abstract A laser displacement sensor which has a resolution of 0.5 μm was used to determine the measurement of a curved workpiece profile in turning. This sensor is attached to a specially designed stage and is operated by three motors which are controlled by a fuzzy control algorithm. The experimental results show that the measuring system can be applied to workpieces having inclination angles of up to around 45°. The proposed measuring system has a practical measuring accuracy to within ten micrometers.

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