Properly Reading Dial Indicators | Modern Machine Shop
May 6, 2021 · Most dial indicators are then used in a comparative mode using a balanced dial, with minus (-) readings on the left of 0 and plus (+) readings to the right of 0. The goal is that the plus and minus tolerances are in the range of the 10 and 2 o’clock positions on the dial. There are also large-approach and over-tolerance ranges to see the work ...
Choosing The Right Grinding Wheel | Modern Machine Shop
Dec 15, 2000 · Usually vitrified wheels are used at speeds less than 6,500 surface feet per minute. At higher speeds, the vitrified bond may break. Organic bond wheels are generally the choice between 6,500 and 9,500 surface feet per minute. Working at higher speeds usually requires specially designed wheels for high speed grinding.
Electrical Discharge Machining (EDM) | Modern Machine Shop
Jul 10, 2021 · Electrical discharge machining, or EDM, is a non-contact process that can machine parts regardless of their hardness. It involves placing an electrode or wire and an electrically conductive workpiece into a circulating dielectric fluid. The fluid acts as an insulator until a specific spark gap and voltage ionizes it and enables a spark to ...
Workholding 101 | Modern Machine Shop
Mar 5, 2022 · Basics. Evan Doran. Associate Editor, Modern Machine Shop. Workholding takes many forms, but jaw chucks are one of the most common solutions for turning and three-axis milling applications. Photo sourced from iStock. Tooling and machines may be the flashy highlights of manufacturing, but workholding is just as important to successful production.
A New Milling 101: Milling Forces and Formulas
Mar 21, 2011 · MRR = .200 x 1.64 x 19.5 = 6.4 in3/min. For horsepower at the motor (HPm), use formula: HPm = HPC/E. In determining horsepower consumption, “K” factors must be used. The “K” factor is a power constant that represents the number of cubic inches of metal per minute that can be removed by one horsepower.
Choosing Your Carbide Grade: A Guide | Modern Machine Shop
Oct 30, 2021 · BB64 — PVD grades for nickel-based alloys. BB23 — CVD grades for milling cast iron. NN — Hardness Level: The last two digits, in most cases, reflect the hardness level of the different grades in a series. The number usually ranges from 05 to 45 according to the same system explained above about the grade charts.
How To Passivate Stainless Steel Parts | Modern Machine Shop
Oct 1, 2003 · This method of passivation can be accomplished in less than 2 hours. Here is the step-by-step procedure: After degreasing, soak the parts for 30 minutes in a 5 percent solution of sodium hydroxide at 160°F to 180°F (71°C to 82°C). Then rinse the part thoroughly in water.
MSC Industrial Supply Co. - Modern Machine Shop
MSC Industrial Supply Co. AS SEEN ON MMS. VIDEOS. 75 Maxess Rd. Melville, NY 11747 US. 800-645-7270 | 631-586-5600. [email protected].
Machining 101: What is Electrical Discharge Machining?
Jul 10, 2021 · Photo Credit: Adam Wysuph, MC Machinery. Electrical discharge machining, or EDM, is a non-contact process that can machine parts regardless of their hardness. It involves placing an electrode or wire and an electrically conductive workpiece into a circulating dielectric fluid. The fluid acts as an insulator until a specific spark gap and ...
Cutting Tools | Modern Machine Shop
Oct 30, 2024 · Cutting Tools. The broad category of “cutting tools” includes all of the consumable tooling involved in milling, drilling, turning and other lathe and machining center operations. Drills, end mills, taps, reamers and inserts are all included here. Consumable tooling used on certain other types of machine tools is included here as well.