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Home » Products » Surface Roughness Gauge » Rubert Surface Roughness Comparison Chart

Rubert Surface Roughness Comparison Chart

Rubert Surface Roughness Comparison Chart
Rubert Surface Roughness Comparison Chart
Product Code : AC-06
Product Description

Rubert Surface Roughness Comparison Chart

The Measurement Of Surface Roughness Is Not As Straightforward As Most Other Engineering Measurements, Such As Length Or Angle Or Hardness; And In Order To Get Good Accuracy, Expensive Instruments Are Needed. These Are Often Unsuitable For Workshop Use, Where Roughness Of Machined Surfaces Can Usually Be Assessed Conveniently And With Sufficient Reliability Using Visual And Tactile (fingernail) Comparison With A Standard Set Of Surfaces Machined In The Same Way.
These Problems Are Solved By Our Range Of Roughness Comparison Specimens. They Are Simple To Use, Inexpensive, And Hence Widely Used In Many Different Application

Typical Applications Of Our Comparison Specimens

Checking Roughness Of Turned, Milled, Ground, Reamed, Polished Or Lapped Parts During Machining
Checking The Roughness Of Spark-Eroded Surfaces As Described In The Vdi 3400 Guideline
Checking The Roughness Of Steel Surfaces Which Have Been Prepared For Painting By Blast-Cleaning, As Outlined In Iso 8503
Estimating Surface Roughness Prior To Accurate Measurement By A Stylus Instrument, As Recommended In Bs En Iso 4288, Eg.
Checking The Seriousness Of Damage To Parts Caused By Nicks, Dents And Scratches
Checking Reconditioned Ship Propeller Blades

Our Most Popular Specimen. (Model 130)

This Set Consists Of 30 Comparison Specimens, Covering Six Commonly-Used Machining Methods (6 Turned, 6 End-Milled, 6 Horizontally Milled, 6 Surface-Ground, 3 Lapped, 3 Reamed/Drilled. A Label Gives The Ra Values Of Each Specimen In Both Metric And Imperial Units. (Rz-value Label Available On Request).


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