Countersink Gauge Bore Micrometer Guide to Dimensional

Print on A3 paper in colour. Trim border before folding

Version 1.0 Further detail can be found in the full “Guide to Dimensional Countersink Gauge Bore Micrometer September 2015 Measurement Equipment” - MXG011 3-Point

Specification Tolerance (mm)

+/- 0.005 +/- 0.010 +/- 0.025 +/- 0.050 +/- 0.100 +/- 0.250 +/- 0.500 +/- 0.750 +/- 1.000 +/- Guide to Dimensional © Rolls-Royce plc 2015 Feature The information in this document is the property of Rolls-Royce Size Specification Tolerance (mm) (mm) plc and may not be copied, communicated to a third party or 0.005 +/- 0.010 +/- 0.025 +/- 0.050 +/- 0.100 +/- 0.250 +/- 0.500 +/- 0.750 +/- 1.000 +/- Measurement Equipment Feature <1 used for any purpose other than that for which it is supplied, Size 5 without the express written consent of Rolls-Royce plc. (mm) 10 <1 25 50 While the information is given in good faith based upon the 5 Capability Charts 75 latest information available to Rolls-Royce plc, no warranty or 10 100 25 representation is given concerning such information, which 150 50 200 must not be taken as establishing any contractual or other 75 commitment binding upon Rolls-Royce plc or any of its subsidi- 300 100 400 ary or associated companies. 150 500 200 1000 300 >1000

Bore Micrometer Bore Indicator Snap Gauge Modular Beam Comparator 2-Point 2-Point

Specification Tolerance (mm) Specification Tolerance (mm)

+/- 0.005 +/- 0.010 +/- 0.025 +/- 0.050 +/- 0.100 +/- 0.250 +/- 0.500 +/- 0.750 +/- 1.000 +/- 0.005 +/- 0.010 +/- 0.025 +/- 0.050 +/- 0.100 +/- 0.250 +/- 0.500 +/- 0.750 +/- 1.000 +/- Specification Tolerance (mm) Specification Tolerance (mm) Feature Feature 0.005 +/- 0.010 +/- 0.025 +/- 0.050 +/- 0.100 +/- 0.250 +/- 0.500 +/- 0.750 +/- 1.000 +/- 0.005 +/- 0.010 +/- 0.025 +/- 0.050 +/- 0.100 +/- 0.250 +/- 0.500 +/- 0.750 +/- 1.000 +/- Feature Feature Size Size Size Size (mm) (mm) (mm) (mm) <1 <1 5 5 <1 <1 10 10 5 5 25 25 10 10 50 50 25 25 75 75 50 50 100 100 75 75 150 150 100 100 200 200 150 150 300 300 200 200 400 400 300 300 500 500 400 400 1000 1000 500 500 >1000 >1000 1000 1000 >1000 >1000

Omnigauge Comparator Indicators Digital Height Gauge Automatic Height Gauge

Specification Tolerance (mm) Specification Tolerance (mm)

+/- 0.005 +/- 0.010 +/- 0.025 +/- 0.050 +/- 0.100 +/- 0.250 +/- 0.500 +/- 0.750 +/- 1.000 +/-

+/- 0.005 +/- 0.010 +/- 0.025 +/- 0.050 +/- 0.100 +/- 0.250 +/- 0.500 +/- 0.750 +/- 1.000 +/- Feature Feature Size Size (mm) (mm) <1 <1 5 5 10 10 25 25 Specification Tolerance (mm) 50 50 +/- 0.005 +/- 0.010 +/- 0.025 +/- 0.050 +/- 0.100 +/- 0.250 +/- 0.500 +/- 0.750 +/- 1.000 +/- 75 75 100 100 Gauge 150 150 200 200 Digital Lever 300 300 Digital Plunger 400 400 Dial Lever 500 500 Dial Plunger 1000 1000 >1000 >1000 Print on A3 paper in colour. Trim border before folding

Digital Micrometer Analogue Micrometer Internal Micrometer Digital Calliper

Specification Tolerance (mm) Specification Tolerance (mm) Specification Tolerance (mm) Specification Tolerance (mm)

+/- 0.005 +/- 0.010 +/- 0.025 +/- 0.050 +/- 0.100 +/- 0.250 +/- 0.500 +/- 0.750 +/- 1.000 +/-

+/- 0.005 +/- 0.010 +/- 0.025 +/- 0.050 +/- 0.100 +/- 0.250 +/- 0.500 +/- 0.750 +/- 1.000 +/- Feature Feature Feature Feature Size Size Size Size (mm) (mm) (mm) (mm) <1 <1 <1 <1 5 5 5 5 10 10 10 10 25 25 25 25 50 50 50 50 75 75 75 75 100 100 100 100 150 150 150 150 200 200 200 200 300 300 300 300 400 400 400 400 500 500 500 500 1000 1000 1000 1000 >1000 >1000 >1000 >1000

Dial Calliper Vernier Calliper Depth Micrometer Depth Calliper

Specification Tolerance (mm)

+/- 0.005 +/- 0.010 +/- 0.025 +/- 0.050 +/- 0.100 +/- 0.250 +/- 0.500 +/- 0.750 +/- 1.000 +/- Specification Tolerance (mm) Specification Tolerance (mm) Specification Tolerance (mm)

+/- 0.005 +/- 0.010 +/- 0.025 +/- 0.050 +/- 0.100 +/- 0.250 +/- 0.500 +/- 0.750 +/- 1.000 +/-

+/- 0.005 +/- 0.010 +/- 0.025 +/- 0.050 +/- 0.100 +/- 0.250 +/- 0.500 +/- 0.750 +/- 1.000 +/- Feature 0.005 +/- 0.010 +/- 0.025 +/- 0.050 +/- 0.100 +/- 0.250 +/- 0.500 +/- 0.750 +/- 1.000 +/- Feature Feature Feature Size Size Size Size (mm) (mm) (mm) (mm) <1 <1 <1 <1 5 5 5 5 10 10 10 10 25 25 25 25 50 50 50 50 75 75 75 75 100 100 100 100 150 150 150 150 200 200 200 200 300 300 300 300 400 400 400 400 500 500 500 500 1000 1000 1000 1000 >1000 >1000 >1000 >1000

These capability charts are based on data from an exten-  Systems in the green zone may be used without Introduction Example Chart sive set of practical gauge studies. As such, they indicate further validation where there are no factors The likely the likely capability for a gauge used to measure a partic- which may reduce the capability for the system measurement ular size and tolerance. However, product and applica- considered e.g. poor access to the feature, flexi- This guide is a summary of the capability charts for Specification Tolerance (mm) capability is

+/- 0.005 +/- 0.010 +/- 0.025 +/- 0.050 +/- 0.100 +/- 0.250 +/- 0.500 +/- 0.750 +/- 1.000 +/- tion specific factors can degrade the indicated perfor- ble component or rough irregular surface. manual measurement equipment from the Rolls-Royce shown by the Feature mance, and it is the responsibility of each business area Guide to Dimensional Measurement Equipment. The Size colour of the  Systems in the amber zone have the potential to (mm) to assess whether they need to conduct additional meas- charts provide an indication of measurement capability box when the achieve acceptable capability, but require further <1 urement capability studies to validate a gauge for use in for a range of different measurement equipment. feature size and testing to validate the system. 5 their situation. 10 total tolerance This guide is intended to assist with selection of capable 25  Systems in the red zone are unlikely to achieve are compared. Key measurement equipment for an identified size and toler- 50 acceptable capability and therefore should be 75 ance condition. In addition to the equipment represent- 100 E.g. For this Likely to achieve acceptable capability avoided. ed here there is a wide range of other measurement 150 gauge at 100 ± 200 The images accompanying the capability charts are for systems that can be used if this equipment does not 300 0.25mm the Potential to achieve acceptable capability illustrative purposes only, the chart shows the capability meet the requirements. 400 likely capability 500 Unlikely to achieve acceptable capability for a generic device not the exact model depicted. 1000 is indicated as >1000 Not applicable / No data