In principle, styli are the co-ordinate measuring machine’s (CMM’s) “tools”, providing the same relationship that turning tools have with lathes, and milling and boring tools have with milling machines. When measuring with a touch-trigger probe, the machine uses the stylus to take the data points on the surface of the workpiece. Each touch generates a point that is defined using co-ordinate values in X, Y and Z. Feature, size, form and position can then be computed from these points.
M2 A-5000-7800 Diameter 0.3 mm length 10mm
A stylus is that part of the measuring system which makes contact with the component, causing the probe's mechanism to displace. The generated signal enables a measurement to be taken. The feature to be inspected dictates the type and size of stylus used. In all cases, however, maximum rigidity of the stylus and perfect sphericity of the tip are vital.
To achieve this, Renishaw's stylus stems are produced on CNC machine tools to exacting standards. Great care is taken to ensure that location faces give maximum stiffness whilst stylus mass is optimised to suit Renishaw’s range of probes. Genuine Renishaw stylus balls are produced to the highest standards and are bonded to the stems in such a way as to ensure maximum joint integrity. The performance of your gauging can easily be degraded if you use a stylus with poor ball roundness, poor ball location, bad thread fit or a compromised design that allows excessive bending during measurement. To ensure the integrity of the data you gather, make certain that you specify and use a stylus from the comprehensive range of genuine Renishaw styli
Currently, Renishaw offers many types of needles and diverse applications:
- The straight stylus
- Star stylus
- Disc stylus
- Clinder stylus
- Extensiona
Material:
- Stylus tip: Ruby, Silicon nitride, Zirconia
- Stylus stem: Steel, Tungsten carbide, Ceramic, Carbon fiber (Renishaw GF)
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Renishaw applies innovation to provide solutions to your problems
Renishaw is an established world leader in metrology, providing high performance, cost-effective solutions for measurement and increased productivity. A worldwide network of subsidiary companies and distributors provides exceptional service and support for its customers. Renishaw designs, develops and manufactures products which conform to ISO 9001 standards. Renishaw provides innovative and cost-effective solutions using the following products:
• Probe systems for inspection on CMMs (co-ordinate measuring machines).
• Systems for job set-up, toolsetting and inspection on machine tools.
• Scanning and digitising systems.
• Laser and automated ballbar systems for performance measurement and calibration of machines.
• Encoder systems for high accuracy position feedback.
• Spectroscopy systems for non-destructive material analysis in laboratory and process environments.
• Styli for inspection and tool setting probes.
• Customised solutions for your applications.
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