Renishaw Styli for Faro arms

จำหน่ายหัวสัมผัสผิวชิ้นงานสไตลัสสำหรับ Faro arms

A FULL RANGE OF STYLI FOR ALL APPLICATIONS

Renishaw Styli for Faro arms

These styli have been designed especially for use on Faro portable arm CMMs. Their robust design and construction utilizes Grade 5 Zirconia balls that have a high fracture toughness. The balls are bonded to the high strength tungsten carbide stem with impact resistant adhesive, and specialist construction techniques have been incorporated to ensure that the joint between the body and stem is extremely rigid and virtually indestructible.

WHICH STYLUS?
The table below shows the Renishaw Faro part number for each Faro stylus:

Renishaw part number	Faro part number	Description
A-5003-7673	12453	3 mm zirconia ball probe
A-5003-7674	12454	6 mm zirconia ball probe
A-5003-7675	Probe0071	Point probe
A-5003-7676	Probe0066	1/8" zirconia ball probe with M6 thread
A-5003-7677	Probe0068	1/4" zirconia ball probe
A-5003-7678	Probe0065	3 mm zirconia ball probe with M6 thread
A-5003-7679	Probe0067	6 mm zirconia ball probe with M6 thread

Styli for probe sensors to Accuracy at the point of contact

Styli For Faro Arms

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Overview

CHOOSING STYLI FOR INSPECTION

A few simple rules can be applied to maximize accuracy for most probing applications.

TERMINOLOGY

A = ball diameter
B = overall length
C = stem diameter
D = effective working length

OVERALL LENGTH

Renishaw uses a standard description of overall length, measured from the rear mounting face of the stylus to the centre of the ball.

EFFECTIVE WORKING LENGTH (EWL)

This is measured from the centre of the ball to the point at which the stem will foul against the feature when measuring 'normal' to the part.

RULES FOR CHOOSING A STYLUS

A few simple rules for stylus selection can be applied to maximize accuracy for most probing applications

KEEP STYLI SHORT

The more the stylus bends or deflects, the lower the accuracy. Probing with the minimum stylus length for your application is the best option.

MINIMISE JOINTS

Every time you join styli and extensions, you introduce potential bending and deflection points. Try, wherever possible, to keep to the minimum number of pieces possible for your application.

KEEP THE STYLUS BALL AS LARGE AS POSSIBLE

There are several reasons for this:
- it maximises your ball/stem clearance, thereby reducing the chance of false triggers caused by 'shanking out' on the stylus stem, and increasing the EWL;
- a larger ball allows a larger stem diameter, increasing the stiffness of the stylus;
- the larger ruby ball reduces the effect of the surface finish of the component being inspected.
EWL can also be affected by assembly tolerances. For this reason Renishaw styli are assembled to exacting standards in controlled conditions.