Modern Machine Shop

JUL 2018

Modern Machine Shop is focused on all aspects of metalworking technology - Providing the new product technologies; process solutions; supplier listings; business management; networking; and event information that companies need to be competitive.

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MMS JULY 2018 36 mmsonline.com QUALITY GAGING TIPS Measurement Tools in which the locating and positioning mech- anisms are built in, the same is true with the modular systems available today. Most snap and lock together in various configurations in a simple plug-and-play manner and are con- nected to the gaging computer through a stan- dard interface module. The combination of module-standard mechani- cal elements, interchangeable electronic modules and a simple-to-use gaging computer interface is ideal for shops specializing in short runs where f lexibility and change-over to new parts are key for business. With the modular program in place, gage reconfiguration would simply involve reconfigur- ing the gage to the new part with the mechanical and electronic elements, then selecting the cor- rect part program to run the new series of parts. This ties in perfectly with the same concept in manufacturing: Use the same machine to produce similar parts with fast and easy change-overs via a new set of preset tooling and a new part program. Thus, while the machine operator changes tool- ing and reprograms the machine for the new part, the gage technician resets the modular-gaging elements to the new part and selects the correct gaging program. Whether measuring an outside diameter, inside diameter or length, the modular multi-gage ele- ments can be configured for simple parts to com- plex workpiece geometries. A number of measur- ing points can be inspected within a small area of the workpiece because the modular components are all designed to be as small as possible. Just as there are different levels of performance and robustness in the design of standard handheld comparative gaging, modular multi-gage compo- nents employ a similar design philosophy. Should the tolerance on the part be fairly "wide open," there is a modular element that can accomplish the task with the proper level of precision and value. However, should the manufacturing process be in a relatively harsh environment with tight tol- erances, there are elements and gaging techniques available to meet these needs as well. AUTHOR | George Schuetz Director of Precision Gages, Mahr Inc.

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