RF 100 VARIABLE HELIX Solid Carbide End MILLS
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∡γ ∡χ ∡ χ ≠ ∡ γ RF 100 VARIABLE HELIX SOLID CARBIDE END MILLS • Material-specific geometries • Roughing and finishing end mills • Inch and metric sizes At Guhring, our mission is to provide customers with the means to take cost out of machining production components by improving machine process times and product quality. Guhring, Inc. is a subsidiary of Guehring oHG, headquartered in Albstadt, Germany. Globally, Guehring employs over 4,500 people. The Brookfield, WI manufacturing plant and corporate headquarters employs more than 250 people. Additional resources include our warehouse in Huntington Beach, CA, and a manufacturing facility in Detroit, MI. In order to better serve our customers’ needs, Guhring offers a full range of special tool design/ manufacturing capabilities in our USA manufacturing plants. Our engineers can take blueprint part concepts and design specialized tools in high speed steel, carbide and even PCD which combine multiple manufacturing operations and reduce production costs. Guhring has the capability to manufacture special drill, reamer, end mill and countersink tools; solid or coolant fed. Guhring also offers a full reconditioning service that can recondition special and standard drill points, end mills and reamers to their original specifications. In addition, Guhring’s reconditioning service can provide tool modifications such as end mill corner radius and chamfers quickly and accurately. Our coatings division offers superior PVD coatings for cutting tools and wear parts. Guhring offers traditional TiN, TiCN and TiAlN coatings, as well as high performance proprietary coatings such as FIREX®, MolyGlide®, Super-ATM, nano-FIREX® and new nano-ATM coating. With coating chambers in both Wisconsin and Michigan, Guhring can provide quick turnaround and competi- tive pricing on all types of parts, even beyond cutting tools. 2 RF 100 Variable Helix End Mill QUICK-FINDER - End Mill selection guide Slot-Milling Roughing Finishing Material Conditions Workpiece 1 x d 0.3 - 0.8 x d < 0.1 x d Good machining RF 100 A RF 100 A conditions (e.g. # 3077) page 21 (e.g. # 3077) page 21 RF 100 S/F (e.g. # 3115) page 23 Wrought Aluminum Alloys Poor machining RF 100 A RF 100 A < 3% Si. conditions (e.g. # 3077) page 21 (e.g. # 3077) page 21 Good machining RF 100 F RF 100 F conditions (e.g. # 3078) page 13 (e.g. # 3078) page 13 Aluminium RF 100 S/F > 3% - 12% Si (e.g.. # 3115) page 23 Steel & Alloys < 30 HRC Poor machining RF 100 VA/NF RF 100 VA/NF Cast Iron < 200 HB 30 conditions (e.g. # 3081) page 17 (e.g. # 3081) page 17 Good machining RF 100 U RF 100 U Steel & Alloys conditions (e.g. # 3113) page 7 (e.g. # 3114) page 8 RF 100 S/F 30-38 HRC (e.g.. # 3115) page 23 Cast Iron > 200 HB 30 Poor machining RF 100 U/HF RF 100 U/HF Hardened Steel < 54 HRC conditions (e.g. # 3082) page 11 (e.g. # 3082) page 11 Good machining RF 100 VA RF 100 VA conditions (e.g. # 3080) page 15 (e.g. # 3080) page 15 RF 100 S/F Stainless Steels (e.g. # 3631) page 23 Poor machining RF 100 VA/NF RF 100 VA/NF conditions (e.g. # 3081) page 17 (e.g. # 3081) page 17 Good machining RF 100 Ti RF 100 Ti conditions (e.g. # 3876) page 19 (e.g. # 3876) page 19 RF 100 S/F Titanium & Nickel Alloys (e.g.. # 3115) page 23 Poor machining RF 100 U/HF RF 100 U/HF conditions (e.g. # 3082) page 11 (e.g. # 3082) page 11 Poor machining conditions = low horsepower, small machine taper, long reach, non-stable setup, or difficult chip removal 3 Guhring No. Index Guhring no. Description Surface Finish Page 3077 RF 100 A standard length variable helix end mills for aluminum Bright 21 3078 RF 100 F standard length variable helix end mills for materials < 30 HRC FIREX® 13 3079 RF 100 U standard length variable helix end mills, corner radius, for materials < 54 HRC FIREX® 9 3080 RF 100 VA standard length variable helix end mills for stainless steels nano-ATM 15 3081 RF 100 VA/NF standard length variable helix roughing-finishing end mills for stainless steels nano-ATM 17 Index 3082 RF 100 U/HF standard length variable helix roughing-finishing end mills, for materials < 54 HRC FIREX® 11 3099 RF 100 U stub length variable helix end mills for materials < 54 HRC FIREX® 7 3100 RF 100 U standard length variable helix end mills for materials < 54 HRC FIREX® 8 3113 RF 100 U stub length variable helix end mills for materials < 54 HRC FIREX® 7 3114 RF 100 U standard length variable helix end mills for materials < 54 HRC FIREX® 8 3115 RF 100 SF standard length 6-flute variable helix end mills for materials < 54 HRC FIREX® 23 3202 RF 100 A standard length variable helix end mills for aluminum, metric Bright 21 3366 RF 100 F standard length variable helix end mills, coolant through, for materials < 30 HRC, metric FIREX® 13 3627 RF 100 U long length variable helix end mills for materials < 54 HRC, metric FIREX® 9 3629 RF 100 F standard length variable helix end mills for materials < 30 HRC, metric FIREX® 13 3631 RF 100 SF standard length 6-flute variable helix end mills for materials < 54 HRC, metric FIREX® 23 3731 RF 100 U stub length variable helix end mills for materials < 54 HRC, metric FIREX® 7 3732 RF 100 U standard length variable helix end mills for materials < 54 HRC, metric FIREX® 8 3736 RF 100 U standard length variable helix end mills for materials < 54 HRC, metric FIREX® 8 3876 RF 100 Ti standard length variable helix end mills, corner radius, for titanium alloys Super-ATM 19 RF-LINE Tooth Helix Standard Shank style Tool illustration Tool material Surface finish Diameter range Series Page profile angle RF 100 U variable helix end mills for materials < 54 HRC center cutting Solid fract. N HA 35°/38° 3/16 - 1” 3113 7 carbide Solid fract. N HB 35°/38° 3/8 - 1” 3099 7 carbide Solid metric N HB 35°/38° 6.00 - 20.00 3731 7 carbide Solid fract. N HA 35°/38° 3/16 - 1” 3114 8 carbide Solid fract. N HB 35°/38° 3/8 - 1” 3100 8 carbide Solid metric N HA 35°/38° 4.00 - 25.00 3736 8 carbide Solid metric N HB 35°/38° 4.00 - 25.00 3732 8 carbide r Solid fract. N HA/HB 35°/38° 1/4 - 1” 3079 9 carbide Solid metric N HA 35°/38° 10.00 - 25.00 3627 9 carbide bright Super-A™ FIREX® nano-A™ l stocked in USA m stocked internationally 4 RF-LINE Tooth Helix Standard Shank style Tool illustration Tool material Surface finish Diameter range Series Page profile angle RF 100 U/HF variable helix roughing-finishing end mills for materials < 54 HRC fine truncated profile, center cutting Solid Index fract. HF HA/HB 30°/32° 1/4 - 1” 3082 11 carbide RF 100 F variable helix end mills for materials < 30 HRC center cutting Solid fract. NH HA/HB 40°/42° 3/16 - 1” 3078 13 carbide Solid metric NH HA 40°/42° 4.00 - 20.00 3629 13 carbide Solid metric NH HB 40°/42° 6.00 - 20.00 3366 13 carbide RF 100 VA variable helix end mills for stainless steel center cutting Solid fract. N HA/HB 36°/38° 3/16 - 1” 3080 15 carbide RF 100 VA/NF variable helix roughing finishing end mills for stainless steel coarse truncated profile, center cutting Solid fract. NF HA/HB 36°/38° 1/4 - 1” 3081 17 carbide RF 100 Ti variable helix end mills for titanium and nickel alloys corner radius, center cutting r Solid fract. N HA/HB 35°/38° 1/4 - 1” 3876 19 carbide RF 100 A variable helix end mills for aluminum and cast aluminum < 22 HRC center cutting Solid fract. W HA/HB 40°/42° 3/16 - 1” 3077 21 carbide Solid metric W HA 40°/42° 4.00 - 20.00 3202 21 carbide RF 100 SF 6-flute variable end mills for materials < 54 HRC center cutting 44°/45° Solid fract. NH HA 5/16 - 1” 3115 23 46° carbide 44°/45° Solid metric NH HA 8.00 - 25.00 3631 23 46° carbide general purpose alloyed/unalloyed steels high tensile steels stainless steels cast materials Ti and Ni alloys Al and Al-alloys 5 RF-LINE Variable helix end mills RF 100 U for materials < 54 HRC Guhring has developed the RF 100 end mill with variable helix angle primarily to prevent chattering and the so-called corkscrew effect (as found when withdrawing tools having a large helix angle). The RF 100 U is a universal design for a wide range of materi- als and applications. This design is an excellent choice for job shops and manufacturers who mill a variety of materials. The variable helix angle also offers the following additional advantages: • up to 60% higher in feed rates • longer tool life • increased drilling depths • vibration-free machining • suitable for roughing and finishing RF-LINE • increased surface finish quality • reduced cutter wandering 400 standard 4-flute 300 35° 200 Ff in [N] 100 Micro edge 38°0 protection for longer 400 RF 100 tool life 300 200 Ff in [N] 100 0 0 0,5 1,0 1,5 2,0 Linear milling section [mm] A cutting force comparison between a conventional type N and a RF 100 variable helix end mill clearly shows the RF 100 end mill’s quieter and more 35° stable machining characteristics.