Page 403 - Carmex - Inch Catalog 2022
P. 403

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            Mill-Thread Technical Section

            Cutting Data



            Mini Mill-Thread MTSH and FSH


            MT9    Sub-Micron Grade with advanced PVD triple coating.

            MT6
                   Ultra-Fine carbide grade with high hardness and toughness provides an excellent
                   solution for machining steels, stainless steels, and super alloys Ni or Ti base.
                   With a universal PVD multi-layer coating, provides high heat and wear resistance.

            MT3 Ultra-Fine carbide grade with PVD multi-layer coating for machining Super
                   Alloys and Hard materials up to 65 HRc.
                   Provides supreme edge stability with high heat and wear resistance.
                   For increased productivity and high performance.

            Left hand cutting for CNC code use M04

                                                                            Feed inch/tooth
                                              Cutting
                                     Hardness                             Cutting Diameter = D
             ISO       Materials              Speed
                                       HRc
                                              ft/min
                                                    Ø.04 Ø.06 Ø.08 Ø.12 Ø.16 Ø.20 Ø.24 Ø.28 Ø.31 Ø.35 Ø.39 Ø.47 Ø.55 Ø.63
                 Nickel Alloys, Titanium Alloys
             S                                70-130  .0012 .0012 .0012 .0016 .0016 .0020 .0024 .0024 .0024 .0028 .0028 .0028 .0031 .0031
                 and High Temp. Alloys
                                       45-50  200-230 .0012 .0016 .0016 .0020 .0020 .0024 .0024 .0028 .0028 .0031 .0031 .0035 .0039 .0043
             H Hardened Steels         51-55  160-200 .0008 .0012 .0012 .0016 .0016 .0020 .0020 .0024 .0024 .0028 .0028 .0031 .0035 .0039
                                       56-62  130-160 .0004 .0008 .0008 .0012 .0012 .0016 .0016 .0020 .0020 .0024 .0024 .0028 .0031 .0035
                                 start     center       arc       thread      arc        end
                                point      location   entrance    milling     exit      point



















                                                        Case Study

                                              Application       Internal Thread M4 X 0.7
                                              Thread Depth      .315
                                              Workpiece Material  Tool Steel: D2
                                              Hardness          60-62 (HRc)
                                              Cutter Description  MTSH0250C35 0.7 ISO
                                                                Cutting Speed: 144 ft / min
                                              Machining Conditions
                                                                Feed: .0012 Inch / tooth
                                              Machine           Mori Seiki VN5000
                                              Control           Fanuc
                                              Cooling Lubricant  Emulsion

                                              Tool Life (No. of Threads)  84
                                                                                                       B12-23
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