Inspection and Measurement
Probing For Process Improvement
Advances in machine accuracy and probing technology make on-machine inspection a powerful tool for automating and speeding part processing.
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Don't Touch That Tool
Tool measurement is critical to the metalcutting process. Exact knowledge of a cutter’s length, diameter, even profile, and the ability to measure and monitor these dimensions over time, can reduce variability and help optimize the process. Here’s a look at how non-contact tool measurement and breakage detection benefit your metalcutting process.
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Pump Maker Gains Production Efficiency With Smart Gaging Choices
The challenge facing this pump manufacturer was to make the high-tolerance inspection process so efficient that parts could be checked randomly by several machinists, without causing delays that would slow production.
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Truck-Chassis Quality Throughput Upgraded With Shopfloor Coordinate Measuring
CMMs, once relegated to protected, off-the-floor QA labs, are now proving out in manufacturing environments such as heavy-metal fabrication shops. The payoff is the same as in precision manufacturing: higher yields, better process control and lower inspection costs.
Read MoreMeeting Rotating Part Specs Focuses Machine Shop On Quality Inspection
It's axiomatic in the metalworking industry that for quality production, a measuring gage has to be ten times more accurate than the part it measures.
Read MoreGoing To The Extremes
When most of us think about measurement environments, what generally comes to mind are pleasant laboratories with temperatures controlled to 68°F/20°C—plus or minus a degree or two. Or in the worst case, we picture a gaging shop with swings of temperature between 65° and 90° F.
Read MoreDigitizer Drives Five-Axis CNC Head Porting To The Performance Redline
Why spend thousands of dollars on a precision machined engine block, crank and pistons, just to bolt on a set of unported cylinder heads with mismatched port volumes and rough wall surfaces? This is where hand porting comes in.
Read MoreCalipers: Ideal For Measurement On The Go
Although it has been around for a long time, the caliper is still an extremely versatile and useful tool for making a range of distance measurements (both ODs and IDs). While micrometers are more accurate, they have a limited measurement range (typically several inches).
Read MoreMachine Compensation
Ever since electronics first made their way onto machine tools, machine builders and users have tried to achieve some level of "automatic" process control. Certain causes of dimensional variation in machined parts—tool wear, for instance—occur gradually.
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Better Math Makes Scanning Stronger
Evaluating the suitability of a CMM for an application traditionally revolves around determining measurement uncertainty relative to the workpiece size and required tolerances. Generally the CMM should be 10 times more accurate than the tolerance it will verify. But what is the best method of acquiring the data?
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