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Cutting Tool Engineering September 15, 2009

September 2009

September 2009 covers aerospace manufacturing, milling strategy, and digital manufacturing. It also looks at coolant and heat control and tool coatings.

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Vol. 61 • Issue 9

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Iscarmetals

Parting Intelligently

Powerful Wide Inserts for Grooving, Turning Increasing Your and Profiling at High Feeds PROFITABILITY Machining Intelligently Turning Intelligently Turning into Lower Costs with High Productivity SUMOTURN Coated Grades Milling Intelligently Cost Saving Milling Superior Fine Pitch Endmills Drilling Intelligently Drilling Down.

Parting Intelligently Powerful Wide Inserts for Grooving, Turning Increasing Your and Profiling at High Feeds PROFITABILITY Machining Intelligently Turning Intelligently Turning into Lower Costs with High Productivity SUMOTURN Coated Grades

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Widia

Victory Top Drill M1™

Our new WIDIA Victory Top Drill M1™ delivers the overall advantages of a replaceable-tip system — with the SAME high performance and hole quality as costly solid-carbide styles! Get 50% better tool life — with greatly reduced cycle times — versus competitive offerings! Ideal for even the most challenging steel and cast-iron applications!

Victory Top Drill M1™ Our new WIDIA Victory Top Drill M1™ delivers the overall advantages of a replaceable-tip system — with the SAME high performance and hole quality as costly solid-carbide styles! Get 50% better tool life — with greatly reduced cycle times — versus competitive offerings! Ideal for even the most challenging steel and cast-iron applications! No reconditioning costs — simply change out inserts! Drill at exceptionally high feeds and speeds!

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Cutting Tool Engineering

Extend the reach of your advertising

message with a Signpost Logo on CUTTING TOOL ENGINEERING’s Web site. Ad space is available on the CTE homepage and sub-pages, including the Hot Links page and online Buyers Guide. Signposts are free, or available at reduced prices, to advertisers running 1.5, 3, 6 or 12 pages during the year. Reach out to your customers today!

Extend the reach of your advertising message with a Signpost Logo on CUTTING TOOL ENGINEERING’s Web site. Ad space is available on the CTE homepage and sub-pages, including the Hot Links page and online Buyers Guide. Signposts are free, or available at reduced

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Greenleafcorporation

material properties for improving fuel the same machining time, tool life and Although all machining elements are

economy have no bearing on parts that economic results [seen for other work- important when machining CGI, cutting don’t travel. piece materials],” Schneider instructed. tools lead the way. “When it comes to When an end user does machine CGI, “Take your time to investigate every- CGI, it’s the tooling that’s magic,” Wei-.

material properties for improving fuel the same machining time, tool life and Although all machining elements are economy have no bearing on parts that economic results [seen for other work- important when machining CGI, cutting don’t travel. piece materials],” Schneider instructed. tools lead the way. “When it comes to When an end user does machine CGI, “Take your time to investigate every- CGI, it’s the tooling that’s magic,” Wei- though, taking a machining system’s ap- thing before you start serial production, dmer said. “Unfortunately, there are not proach is critical. “All influences should and choose the right tooling partner in a lot of machine-specific technologies. It be taken into account and never expect advance. This investment will pay back.” gets down to the tool design.” CTE Scarfing Longer tool life, fast changing of tooling, indexable inserts... Tube scarfing systems from

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Sumicarbide

AC820P

AC830P TWO New Super FF coated grades for steel turning P For general purpose turning of A C 820 steels and stainless steels P A C 830 For roughing and interrupted cutting of steels and stainless steels Ultra hard and ultra smooth are what make Sumitomo’s New Super FF coating more resistant to heat and wear resulting in higher productivity and increased tool life

AC820P AC830P TWO New Super FF coated grades for steel turning P For general purpose turning of A C 820 steels and stainless steels P A C 830 For roughing and interrupted cutting of steels and stainless steels Ultra hard and ultra smooth are what make Sumitomo’s

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Cutting Tool Engineering

IS #22

CNC Software By cutting grass using a sectioning and swabbing strategy for the mover paths, less effort is exerted. equipment. First of all, he wasn’t going to hire a lawn service or buy a riding mower. Those are expensive and most of the extra cash he’ll make this year is going back into the shop. But he did need to replace his old.

IS #22 CNC Software By cutting grass using a sectioning and swabbing strategy for the mover paths, less effort is exerted. equipment. First of all, he wasn’t going to hire a lawn service or buy a riding mower. Those are expensive and most of the extra cash he’ll make this year is going

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Sowatool

The science of formulating insert substrates and coatings.

purpose PVD and CVD coating ex- ing applications. hibiting increased hardness and a high Chromium nitride (CrN). With its oxidation temperature. antiseizure properties, CrN is a preferred Titanium carbonitride (TiCN). Car- solution for combating built-up edge. bon additions contribute to the hardness Diamond enhances machining per-.

The science of formulating insert substrates and coatings. purpose PVD and CVD coating ex- ing applications. hibiting increased hardness and a high Chromium nitride (CrN). With its oxidation temperature. antiseizure properties, CrN is a preferred Titanium carbonitride (TiCN). Car- solution for combating built-up edge. bon additions contribute to the hardness Diamond enhances machining per- and surface lubricity of the coating. formance for nonferrous materials. It is Titanium aluminum nitride (TiAlN) ideal for machining graphite, metal-ma- and aluminum titanium nitride trix composites, high-silicon aluminum (AlTiN). Applying a layer of aluminum and other abrasive materials. It is not

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Endmill

staying sharp

machine technology avoided. Several past columns have dealt nents can be made using conventional ing strategy must be selected to cut the with the stability lobe diagram and the equipment. However, as spindle speed thick part, leaving the thin part. To make measurements and tests required to increases, the stable zones in the stabil- a thin wall, machining proceeds layer by.

staying sharp machine technology avoided. Several past columns have dealt nents can be made using conventional ing strategy must be selected to cut the with the stability lobe diagram and the equipment. However, as spindle speed thick part, leaving the thin part. To make measurements and tests required to increases, the stable zones in the stabil- a thin wall, machining proceeds layer by ensure stable machining. High spindle ity lobe diagram get larger, and higher layer from the top of the wall to the bot- speeds are not required to create thin metal-removal rates are possible. tom. On each layer, the wall is cut to its components because there is no secret re- Rule No. 2. Use a special machin- finished thickness. Machining occurs as duction of cutting forces or temperatures ing strategy. A thin wall is flexible at the the tool tip removes material at the base at high speeds. Thin monoli

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