(Calibration and Testing Services)
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The Millimar 1840 column gage has been providing inductive probe and air gaging metrology solutions for a wide range of applications for well over five years. Since its inception it has provided the... (View Full Article)
(Inspection Tools and Instruments)
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Air gaging was the breakthrough measuring technology of the 1940s and 1950s. Introduced decades before electronic gaging was widely accepted, it provided the first high performance- 50 microinch or... (View Full Article)
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As business becomes more international, equipment is often manufactured in one country, in accordance with local standards. The machine is then sold and used in another country where the standards are... (View Full Article)
(Sensing and Measurement Instruments)
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In the past decade, manufacturers improved how products are designed, manufactured, tested and certified. One of the most significant developments has been the emergence of the flexible manufacturing... (View Full Article)
(Inspection Tools and Instruments)
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Most discussions on the quality of surface finish revolve around the measure of roughness. Indeed, roughness is the most common measure of surface finish, and parameters such as average roughness (Ra)... (View Full Article)
(Calibration and Testing Services)
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All calibration equipment should be periodically certified and documented with evidence of conformity to help ensure that parts get measured accurately.... (View Full Article)
(Calibration and Testing Services)
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Calipers are extremely versatile tools for making a wide range of distance measurements, including both outside diameters (OD) and inside diameters (ID). While micrometers are more accurate, they have... (View Full Article)
(Inspection Tools and Instruments)
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A wide variety of gaging methods can be used to measure inside and outside diameters. At the low end, a hole could be measured with a scale or a fixed go/no-go gage. At the other extreme, any number... (View Full Article)
(Inspection Tools and Instruments)
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Since the introduction of optical surface measurement systems some years ago, proponents have lauded the superiority of this technology, and predicted the imminent demise of more traditional... (View Full Article)
(Calibration Instruments, Standards and Reference Sources)
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There are many applications- aside from those where custom gaging is the only possible solution-where custom tailoring a gage for an application can speed things up, improve accuracy, incorporate... (View Full Article)
(Calibration and Testing Services)
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The Digimar CX1 is part of a family of motorized, programmable height measuring systems which offer a combination of features and performance previously available only in higher priced equipment.... (View Full Article)
(Calibration and Testing Services)
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The Digimar CX2 is part of a family of motorized, programmable height measuring systems which offer a combination of features and performance previously available only in higher priced equipment... (View Full Article)
(Calibration and Testing Services)
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Measuring calipers have been around for nearly 150 years. In that time they have evolved into fullfeatured digital measuring systems. But it is a testament to the simplicity and versatility of the... (View Full Article)
(Inspection Tools and Instruments)
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When digital electronics were introduced 30 years ago, many predicted the end of all analog devices, from dial indicators to watches and speedometers. It hasn't happened. Analog watches have returned... (View Full Article)
(Calibration and Testing Services)
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Moving gaging to the point of manufacture is the process engineer's dream. It is what drives productivity on the shop floor, puts quality in the hands of the machinist and quickly weeds out process... (View Full Article)
(Acoustic and Audio Equipment)
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Understanding the role frequency plays in the measurement process and why it needs to be specified on part prints is critical to making reliable quality checks on manufactured parts.... (View Full Article)
(Calibration and Testing Services)
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New standard forces manufacturers to alter gage block calibration.... (View Full Article)
(Calibration and Testing Services)
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If you keep up with the trade magazines, you might feel left behind reading about all those other shops that have equipped themselves with the latest precision CMMs, multi-parameter surface... (View Full Article)
(Calibration and Testing Services)
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Moving gaging to the point of manufacture is the process engineer's dream. It is what drives productivity on the shop floor, puts quality in the hands of the machinist and quickly weeds out process... (View Full Article)
(Calibration and Testing Services)
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Recently, I was approached by a company interested in buying a sophisticated metrology system. They were comparing several different brands, and to be as thorough as possible, had set up a criteria... (View Full Article)
(Calibration and Testing Services)
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Circles are the most frequently produced machined form. Generated by many different processes- including turning, milling, centerless grinding, boring, reaming and drilling- there are,... (View Full Article)
(Calibration and Testing Services)
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You made the right choice. You listened to your customers, reduced setup, geared up for just-in-time and focused on single minute exchange of dies (SMED).... (View Full Article)
(Calibration Instruments, Standards and Reference Sources)
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Conceptually, the dimensional measurement process is quite simple. You get a drawing for a part-an electronic computer-aided design (CAD) file, blueprint, napkin doodle or whatever-which indicates... (View Full Article)
(Calibration and Testing Services)
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We usually think of "smooth" as "slick" or "slippery." But did you know that a surface that is too smooth can actually be 'sticky'? Racing slicks on dragsters increase traction with the pavement, and... (View Full Article)
(Inspection Tools and Instruments)
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The use of tapers has never been more important. Most toolholder designs use tapers because tapers provide good alignment and can be "locked" into position. In the manufacture of toolholders and... (View Full Article)
(Calibration and Testing Services)
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One of the jobs of metrology system manufacturers is to make better, more sophisticated products. Ironically, however, they are frequently met with the argument that because inspection is essentially... (View Full Article)
(Calibration and Testing Services)
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It is difficult when you disagree with a supplier about nonconforming material, but it can be a nightmare when you disagree with a gage supplier about whether a gage is within tolerance. How do you... (View Full Article)
(Calibration and Testing Services)
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Microsurface metrology is important today be-cause of manufacturing's smaller operating clearances, tighter tolerances and multiple processing setups. Consumers want more efficient, more reliable, and... (View Full Article)
(Calibration and Testing Services)
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Whenever operators ask,"What is the accuracy of your multisensor machine?" Technically, an accu-rate answer is, "Excellent." This surprises many people who are expecting a quan-titative "±X-type"... (View Full Article)
(Calibration and Testing Services)
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Shafts are everywhere. Whenever a part is made to turn on an axis, a shaft is usually involved. Shafts can be tiny enough to turn the gears in a watch or large enough to spin the propellers of huge... (View Full Article)
(Calibration and Testing Services)
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Producers of large, thin-walled bearings are faced with two key challenges. They need high precision, and they usually must produce many different bearing configurations in small volumes. Thus, they... (View Full Article)
(Calibration Instruments, Standards and Reference Sources)
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During his recent presentation at the 2009 Quality Measurement Conference, Ted Dorion of NIST called gage blocks, "a zombie technology." His point was that gage blocks represent calibration standards... (View Full Article)
(Inspection Tools and Instruments)
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Most discussions on the quality of surface finish revolve around the measure of roughness. Indeed, roughness is the most common measure of surface finish, and parameters such as average roughness (Ra)... (View Full Article)
(Calibration and Testing Services)
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The growing influence of surface finish can be traced to dramatic changes in manufacturing specifications and drastic tightening of dimensional tolerances over the past few decades. As a result of... (View Full Article)
(Calibration and Testing Services)
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Surface finish, or texture, can be viewed from two very different perspectives. From the machinist's point of view, texture is a result of the manufacturing process. By altering the process, the... (View Full Article)
(Inspection Tools and Instruments)
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As tolerances get tighter, new trends are emerging in form and surface measurement.... (View Full Article)
(Calibration and Testing Services)
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Recently an American-based German manufacturer was awarded a contract to produce some parts for a Japanese company. According to the contract, critical surface areas of the parts were to meet... (View Full Article)
(Calibration and Testing Services)
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Moving gaging to the point of manufacture is the process engineer's dream. It is what drives productivity on the shop floor, puts quality in the hands of the machinist and quickly weeds out process... (View Full Article)
(Calibration and Testing Services)
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This is a large three point measurement Bench Fixture Gage to measure ID or OD of thin wall bearings.... (View Full Article)
(Calibration and Testing Services)
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The Universal Dimensionair can work both as a single-master or dual-master air gaging system.... (View Full Article)
(Inspection Tools and Instruments)
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For the curious, the word caliper is short for caliper compass, which was a device with curved legs used to measure the caliber, or bore, of cannon and small arms. In today's machine shop, calipers... (View Full Article)
(Inspection Tools and Instruments)
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You don't have to be a gage engineer to appreciate the flexibility of air gaging.... (View Full Article)