Understanding the Identification System for Indexable Inserts
WEBOct 1, 2014 · According to ANSI B212.4-2002 standard, identification of the indexable insert includes 10 positions denoted by a capital letter. Each position (from 1 to 10) defines a characteristic of the insert in the following order: – Shape; – Clearance; – Tolerance class; – Type; – Size; – Thickness; – Cutting-point configuration;
Calculated forces when turning | Cutting Tool Engineering
WEBFeb 1, 2013 · About the Authors: Edmund Isakov (pictured), Ph.D., is a consultant, writer and frequent CTE contributor. He is the author of the books “Mechanical Properties of Work Materials” (Modern Machine Shop Publications, 2000); “Engineering Formulas for Metalcutting” (Industrial Press, 2004); “Cutting Data for Turning of Steel” (Industrial Press, 2009); the CD-ROM “International System ...
The fundamentals of industrial sawing | Cutting Tool Engineering
WEBJuly 28, 2017 - 07:15am. Extracting computer-generated shapes from CNC machines with high-pressure water and high-energy lasers can be appealing, making it is easy to forget about more-traditional cutting methods such as sawing. Sawing is one of the most common manufacturing processes in a machine shop. It is versatile, simple and reliable.
Design engineer’s guide to photo chemical etching
WEBAug 4, 2017 · Tolerances are a key consideration in any design and with photo etching varies dependent on the material thickness. For materials between 0.025 mm and 0.250 mm the minimum standard tolerance achievable is ±0.025 mm and between 0.250 mm and 1.5 mm ±10 percent of the metal thickness. In …
Getting reaming right | Cutting Tool Engineering
WEBJun 1, 2010 · About the Author: Alan Richter is editor of Cutting Tool Engineering, having joined the publication in 2000. Contact him at (847) 714-0175 or [email protected]. Courtesy of Komet of America. Tool life increased from 1,200 holes to up to 50,000 holes when Magna Powertrain USA switched from a carbide reamer to …
Understanding cutting equations | Cutting Tool Engineering
WEBJul 1, 2014 · The following equation is used to calculate spindle speed: rpm = sfm ÷ diameter × 3.82, where diameter is the cutting tool diameter or the part diameter on a lathe in inches, and 3.82 is a constant that comes from an algebraic simplifica-tion of the more complex formula: rpm = (sfm × 12) ÷ (diameter × π). You can play around with this ...
Finish it with reaming | Cutting Tool Engineering
WEBDec 17, 2019 · Before reaming, a hole must be straight. Reamers tend to follow the existing hole, so reaming a crooked hole typically yields another crooked hole. Reaming a crooked hole also can result in an oversize hole diameter. Minimizing runout is crucial when reaming. Consider a 12.7 mm (0.5") reamer with 0.0127 mm runout.
Understanding tapered spindle connections | Cutting Tool …
WEBDecember 01, 2014 - 10:30am. Cutting tools are most commonly mounted in a machine tool spindle using toolholders, which provide the interface between a variety of cutting tool geometries and the common spindle nose. While some tools connect directly to the spindle via bolting, for example, that is unusual. Toolholders simultaneously adapt the t ...
The design engineer’s guide to photo-chemical etching
WEBFeb 23, 2022 · The design engineer’s guide to photo-chemical etching. Author Cutting Tool Engineering. Published. February 23, 2022 - 06:00am. As a precision sheet metal machining technology, photo-chemical etching (PCE) achieves exacting tolerances, is highly repeatable, and in many instances is the only …
WEBThe drill point’s geometry must en-sure that the pressure and load on each cutting lip is equal and that chip forma-tion is balanced. This “symmetry” is. The standard 118° included point angle balances the drill’s ability to penetrate mild steels and control the forces that arise when drilling those materials.