PDF disclaimer. This PDF file may contain embedded typefaces. In accordance with Adobe’s licensing policy, this file may be printed or viewed. ISO System of Limits and Fits Orttech recommends that the ISO system of limits and fits (ISO R) be used for tolerancing of bore and shaft machining, and for. Scope of the ISO System The ISO System of Limits and Fits relates to tolerances on plain parts or components and to the fits corresponding to their assembly.

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AS8 Fit seals to components. For further advice, or to find out how our range of chain and sprockets can enhance your application, follow the link below and contact our team. Large rubbing areas top and bottom. Correct centre kso of specific tool and application. All sizes within 0,05mm per running meter.

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All sizes within 0,1mm. HS10 Sharpen single point machine cutting tools. GR2 Grind external and internal surfaces. DS2 Interpret relevant symbols, abbreviations and tolerances. SF3 Recall all safety in welding and gas cutting. No kinks in wire rope slings and chain slings.


Support for relative tolerancing has been added. Correct method of clamping with a lathe carrier to be used. CL16 Turn workpieces using fixed steadies. CL11 Turn an external and internal radius. This proven iwo results in an assembled chain that is highly durable and wear resistant.

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According to drawing specifications. DS7 Make free hand sketches including plan, front and side elevations. Compound io set correctly. HT1 Identify measuring, checking, forming, cutting, marking and fastening tools and tooling aids.

No damage to equipment. All sizes within 0,5mm. Gages in the system can be tagged against measurement data to ensure an audit trail that the data has come from an appropriate gage.

ISO/R – ISO system of limits and fits — Part I : General, tolerances and deviations

HT3 Maintain measuring, checking, forming, cutting, marking and fastening tools and tooling aids. MM27 Use a dividing head for indexing. MM17 Bore a hole. Correct to manufacturers’ specifications. AS4 Fit a boss to shaft with reference to clearance fit. AS9 Assemble dies and tools. Angles according to tables for different materials. BG2 Recall overhead crane hand signals.


GW12 Prepare material for gas welding. AO2 Differentiate between arc welding consumables. Wheel must be concentric. No dirt contamination in components. MM20 Pitch holes according to co-ordinates. This view displays the capability values for variable characteristics in a scrolling view, highlighting capabilities above target in green and capabilities below target in red.

The migration utility makes for an easy transition from our Gage Management 6 version. MM26 Set up a workpiece on a rotary table. All tolerance within ISO standard basis system. Correct speeds and feeds to be used.

Stud ends flush with link. All tools and equipment are clean after use. According to comparison scale. All work done to be recorded with respect to performance levels. SF4 Attend a first aid course.

CL9 Turn the following internal and external threads: MM13 Cut a key.

Oil levels according to level marks. GW13 Gas weld workpieces incidental to the trade.