10.5.4.5 Repeat subparagraphs 10.5.4.1 through 10.5.4.4 aminimum ofthree times. In the US, the measurements are traditionally carried out in inches of mercury. See how the numbers work on the dials to measure run-out or out-of-round. You can safely go hiking, travel to your … endobj stream endobj This is the maximum distance, and at this point the Dial Indicator will read the minimum … å˚ÏN€Ë)´KcZX+úRa֞Q90ҋÌ^¦cî=» x $“’§Ã\b¯‡ž=%‚HÐvEøˆv½ðáðÆG@P»ÕžÛ2¦uQÏnÄïcÚOt ÆQ¿ S§™ø¨»[Ñínþ÷ãœ÷Ò§Q~+ÔdÏ꪿´Ê¹F­Ú§0>°®œõ{:n;OÚ©†mj¹µKÞیQ>MÆDö‹gÙ_AêÚáæ7Àƒî®É˜‹l…½–}è1ßS1D¼Eˆs¾,I8ŠÉïÙà÷…ø®³Np“kÄòð’[Zõ?uâ[q™ExO;Opڍ„®x¸ÑèH~W{ç]öOћ€‡äiÎ1&ð^ÌÜ>…ÿyÊBv˜—$G’õåÈxUA$âjÝ stream With a reading in millimeter centesimal (0.01 mm) and nominal strip of 10 mm. Dial Gauge (Long Travel) Features Long and short pointers are co-axial. Print. With the clamp still closed, loosen the bezel nut and twist the outside of the dial until the needle is … Dial Indicator The dial indicator is a precision measuring tool that measures relative distances. “TS-0073 Dial Indicator Calibration Record Sheet” must be used . Questions Question 1 Interpret the pressure measurement displayed by this gauge mechanism, assuming a gauge accuracy of ± 1% full scale: How low and how high could this pressure actually be, given the stated accuracy of this gauge? The first one uses a vernier scale, while the second one uses a dial gauge, while the third one uses electronic components.Each of them looks different and has a different working mechanism. 10.5.4.6 Subparagraph 10.5.4 should be followed at approximately 25, 50, and 75 percent of full range of thedial indicator. Dial gauge must be securely mounted such as on a comparator stand or magnetic base. 5 0 obj Picture a dial test indicator head-on, looking at the dial, or dial face. Magnification mechanism. 10 0 obj Make sure that the replacement dial reads the same as the original dial. The stand will stabilize your dial indicator while you take your measurements. On the dial face you will find a smaller gauge know as a turn counter. The best example of the Indicating Gauge is Dial Gauge. NOTE: 1. Ensure the dial indicator and stand are very securely attached . To Use HOLD To select type of HOLD - Freeze, Minimum or Maximum: -Press and hold "HOLD" until cursor moves under desired type of hold; FRZ, MIN or MAX, then release. Clean the Dial Indicator’s measuring surfaces and stand, the granite plate, an d the gauge blocks to be used . Step 1 Familiarize with terms, techniques and procedure. However, the SI unit for pressure used worldwide is the pascal (Pa), which is approximately equal to 3386.389 times one inHg. Some dials also show “half-thou” (0.0005”) graduations. Due to its fragility, its use in the operator’s hand is discouraged. 11 0 obj Before proceeding to the next step, ensure the dial gives a 0 reading. Make sure that the slot for the sensor is perpendicular to If you are using an analog barometer at home or a digital barometer on your cell phone in the U.S., the barometric reading will likely be reported in inches of mercury (inHg). Before removing the original dial, record the reading 2. Incomplete thread section at the root of the screw shall be less than 0.7mm when fabricating a contact point. ‡ÈPÔúp¦[Žu²fz?„ aþµDǺ Next, close the huge flat dial indicator jaws by bringing them together completely. 4. 10.5.4.5 Repeat subparagraphs 10.5.4.1 through 10.5.4.4 aminimum ofthree times. ①Prepare a ring gauge to use as a reference standard for setting the zero-point. <> <>>>/BBox[ 0 0 912 531.99] /Matrix[ 0.078948 0 0 0.13534 0 0] /Filter/FlateDecode/Length 58>> A digital device has a LED display that can also show weather forecast for the next few days. Nowadays such indicating gauge has a system of the visual display. “TS-0073 Dial Indicator Calibration Record Sheet” must be used . ②In cross section perpendicular to the axis of the ring gauge, position the gauge along diameter ⓐ(Figure: 1). If the numbers in the Gross Angle $.' Reading the Dial and Bar Once you have placed the jaws in the space or around the part that you want to measure, you need to read both the bar and the dial to get a reading. Start off by simply loosening the beam lock of the dial indicator and then carefully slide the indicator back and forth for a hassle-free operation. Please follow these guidelines. The bar is in increments of inches and tenths. Some of the major parts of a Dial Indicator are as follows: A dial with the incorporation of the main scale. The big hand went past the other ‘0’ mark → add 0.1 mm. To turn HOLD On/Off: Ł Press and release "HOLD" Ł MAX HOLD - Holds and displays highest reading. In conjunction with a micrometer, a bore gauge will give you the exact reading of a bore size. List of dial indicator exercises. Plunger Dial Indicator – Plunger Dial Indicator also have a clock-like face but are characterized by the plungers mounted on one of their sides. Coupling Alignment Fundamentals Rexnord, 5555 S. Moorland Rd., New Berlin, WI 53151-7953 538-214 Telephone: 262-796-4060 Fax: 262-796-4064 February 2014 August 2013 Count the tick marks the little hand has passed. Ensure the dial indicator and stand are very securely attached . A dial bore gauge is a special tool, calibrated in .001 inch (.0025 centimeter) or .0001 inch (.00025 centimeter), which is used to accurately measure the inside diameter of a hole, cylinder or pipe. Note: Dial face divisions and increments are not standardized. <> Ł … This measuring instrument operates affixed to devices such as bases, supports, performances or guides. List of printable exercises to support the teacher’s performance in lectures, at a distance and for student practice. ・Use for any purpose other than measuring may damage or wear the instrument. Indicator (Needle). If the numbers in the Gross Angle Counter have a blue background, use the inner blue bezel to get the nearest whole degree. There are three classifications based on how to read the caliper: 1) Vernier caliper, 2) Dial caliper, and 3) Digital caliper. 7 0 obj Measuring Procedure • For measuring lengths greater than 25mm add the necessary amount of measuring rods for the depth required. 1. Attached to machine table or setting gauge for measuring movement positions and distances. endobj Read the tick marks the big hand is showing (48) → 0.048 mm 4. Types of Gauges in Metrology [PDF] Saswata Baksi. Before going into the actual steps of reading a dial test indicator, we want to review the specific parts so that you know what we are referring to throughout. Table of Contents show Metrology is a significant department of Mechanical engineering that deals with the measurement of a workpiece. endstream <> Loosen the bezel lock screw, adjust the dial on the depth gauge to the "0" position and tighten the screw. The dial indicator is great for checking alignment and runout. G7 DIAL INDICATOR DG-9050 Suitable for pairing up with measuring stands to measure depth, thickness, height, steps, and length. 8 0 obj With the proper tools it is. On this channel you can get education and knowledge for general issues and topics Mount your dial indicator on a stand. Your dial indicator should have an attachment that you can use to secure it to a stand. A pressure at sea level equals 1013.25 millibars. oeøˆœnuà{Ôh‡1¨Qò…-c÷Cðù£¿U|p°DxFň«KE°0ãMÆB*ÀŬçX°åæež˜B„j9ߥùLWÎ=¥‡‡SÑçO—Rڗ3]Ï|È}Ä.½û.—D]’h™ý/…ž\÷Þ‰.0Gûð3DºES|ŽY­•a Mounting a Dial Indicator Dial Indicator Contact Point Screw thread section is standardized on M2.5x0.45 (Length: 5mm). 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