Page 313 - Carmex - Inch Catalog 2018-19 Rev. B

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Mill - Thread Technical Section

Mini Mill-Thread MTSH type

MT9 Sub-Micron Grade with advanced PVD triple coating.
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 8.0 mm
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

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