Metalworking’s leading information resource | Modern Machine …
WEB5 days ago — The PG48 toolholder is designed for large-diameter tools and dynamic machining applications. Modern Machine Shop is focused on all aspects of metalworking technology - Providing the new product technologies; process solutions; supplier listings; application videos; business management content; …
An Introduction to Superfinishing | Modern Machine Shop
WEBJan 29, 2021 — It is considered a cold process, as heat is not generated during this operation. Improvement of surface finish is accompanied by improvement of micro-contour accuracy. Microfinishing/ superfinishing – Finishing of external diameters and faces with fixed abrasives. It is considered a cold process, and it …
How To Passivate Stainless Steel Parts | Modern Machine Shop
WEBOct 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.
Choosing Your Carbide Grade: A Guide | Modern Machine Shop
WEBOct 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 Become a Defense Industry Machined-Parts Supplier
WEBJul 7, 2019 — Defense contractors may have an obligation to solicit the participation of companies with certified status, such as small, minority- or veteran-owned businesses. 3. Register as a supplier. Many defense prime contractors also have registration programs by which subcontractors such as machine shops may apply.
Workholding Considerations for Five-Axis Machining
WEBAug 28, 2020 — Workholding Considerations for Five-Axis Machining. Five-axis workholding isn’t just about applying technology; it’s also about applying a different mindset. By thinking in terms of traditional workholding and standard vises, CNC machine shops could potentially miss the freedom of movement that would enable them the access to mill the full ...
Properly Reading Dial Indicators | Modern Machine Shop
WEBMay 6, 2021 — At the 10-2 position, about 20% of the dial is large enough to easily view the intolerance position. Now, most dial indicators will have more than one revolution of the hand, usually at least 2.5 revolutions, and there may be a small hand on the dial counting the revolutions to prevent user errors. But in the end, the comparative reading ...
8 Ways to Increase Productivity on the Manufacturing Floor
WEBJul 6, 2016 — 7. Stay Organized. The number of lost dollars and wasted labor hours that result from a lack of organization can be surprising. One surefire way to enhance productivity in any environment is to ensure that there is a well-organized place for everything: from materials to machine tools and documents.
Machining 101: What Are Coordinate Measuring Machines?
WEBSep 11, 2021 — Associate Editor, Modern Machine Shop. A coordinate measuring machine (CMM) is a measurement tool that consists of a motion system, a probing system, a computer and measurement software. The frames and base of CMMs must be secure from vibration and thermally induced variations. Although aluminum and granite frames are both common, granite ...
Machining 101: What is Electrical Discharge Machining?
WEBJul 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 ...