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  • Chapter 3: Machinability of Metals | Cutting Tool ...

    Dec 28, 2009 · If B 1112 represents a 100% rating, then materials with a rating less than this level would be decidedly more difficult to machine, while those that exceed 100% would be easier to machine. The machinability rating of a metal takes the normal cutting speed, surface …

  • Aerospace — High-Temperature Machining Guide

    — Reduces tool pressure and work hardening and improves surface finish When machining with PCBN tooling: • Use low-content PCBN grades for finishing and semi-finishing at low depth of cut, but optimize the cutting conditions for each individual part, and pay close attention to surface condition.

  • Mechanics of Machining Processes

    • Induces thermal damage to the machined surface, affecting its properties • Causes distortion of the tool or machine, and thus poor dimensional control • Temperature is proportional to cutting speed and feed (depth of cut), and dependent upon the materials of the tool and workpiece

  • Machining vs. Cutting Metal Tubing for Precision ...

    Jun 25, 2020 · Metal Cutting is always on the lookout for the latest innovations in the tools we use for the Swiss CNC machining, precision grinding, mass finishing, and even lapping services that we offer. Yet, these machining methods do not begin to capture what Metal Cutting Corporation is all about. The type of true metal cutting that we excel at — such as cutoff of thin wall steel tubing for medical …

  • 9 Factors Affecting Laser Cutting Quality | MachineMfg

    Effect of auxiliary gas pressure on cutting quality. (1) The gas helps to dissipate heat and assist combustion, and blows away the melted surface, so that the cut surface is better in quality. (2) The effect on cutting when the gas pressure is insufficient: The cut surface is fused or can not cut through.

  • The effect of cutting process on surface microstructure ...

    Sep 01, 2015 · Cutting gas: Nitrogen: Cutting gas: Oxygen + nitrogen: Cutting gas pressure: 1.2 bar: Maximum cutting thickness: 35 mm: Cooling temperature: TA = 25 °C: Cutting capacity: 4000 × 7000 mm: Oxygen flame cutting: Wire electrical discharge cutting: Cutting rate (lateral feed rate) 20 m/min: Processing condition: C521: Current for maximum cutting: 760 A: Feed rate: 3 m/min

  • Cutting processes - tolerance and surface roughness ...

    Dec 10, 2011 · Cutting processes – tolerance and surface roughness. December 10, 2011. EngineeringClicks. Here’s a useful table of tolerance and surface roughness achievable with cutting and machining process (collectively termed “material removal processes” or “ Subtractive Manufacturing “). More useful info on surface roughness designations can ...

  • Help machining plasma cut metal parts - Practical Machinist

    Nov 18, 2010 · If the cuts were done with an air or nitrogen plasma, then the hardening on the edge of the steel is primarily due to the nitrogen content in the plasma gas....this causes about a .006" nitrided layer that is very hard, but can be easily ground off the surface. If the parts are cut with an oxygen high definition class plasma....then there will be virtually no chemical hardening, just a minimal heat …