Grooving & Parting-Off (N)Holding Force of the Insert Usable Limit of Holder Overhang (mm) (mm)Flank Wear Width Parting-Off Holders Steel Blade and Shank Type Sumi-Grip ”Jr.” Features of Design Twice the holding force Effective Tooling with Sumi-Grip Jr. of conventional SUMI-GRIP Holder breakage protection via the end stop Parting-Off Grooving Chamfering Low price by steel holders Long tool life from high performance inserts (interchangeable with SUMI-GRIP). Twice the Insert Holding Low Vibration Wear resistANCE Force Comparison of usable limit vibration (Interrupted cut part off) Shape of work pieces: Hexagon 300 - 80 - SUMI-GRIP(Solid carbide holder) 0,15 - 270 Measuredvalue of 70 - SUMI-GRIP Jr. 0,1 - Competitor A breakage 200 - insert holding 60 -force using a Competitor A SUMI-GRIP Jr. dynamometer 50 - SUMI-GRIP 100 - 130 40 -~~ 0,05 - (Solid carbide holder) 0- l l l 0,1 0,2 0,3 Feed (mm/rev) 0 - l l 50 100 0- SUMI-GRIP Jr. Competitor ASTFH32-33 mm widthWork Material: C45 ( ø 50 mm, HB 250) Number of CutsInsert :3 mm width, coated (P25)Cutting Data:v c = 80 m/min,DryWork Material:C45Insert :3 mm width, coated (P25) Cutting Data: v c = 150 m/min, f = 0,15 mm/rev, Water soluble coolant Part-Off Holders Steel Blades (Tool Block Type Holders) Shank Type Holders Max. øD Shank type figures show right hand tools. Ordering No. Stock Dimensions (mm)aøDMaxhh1bll1 Applicableinserts Ordering No. Stock Dimensions (mm)RLaøDMaxhh1bl1l2ff1Applicableinserts STFH 26-2 l 2 40 26 21,4 1,7 108 109 WCF_ 2 _ STFS R/L 1010-2 l q 28 10 10 10 86 18 10 8 STFH 26-3 l 3 70 26 21,4 2,4 108 109 WCF_ 3 _STFH 26-4l4702621,43,4108109WCF_ 4 _STFS R/L 1212-2 l l 2 30 12 12 12 110 20 12 10 WCF_ 2 _STFS R/L 1616-2ll35161616110201614 STFH 26-5 l 5 70 26 21,4 4,3 108 109 WCF_ 5 _ STFS R/L 2020-2 l l 50 20 20 20 125 - 20 18 STFS R/L 1616-3 l l 35 16 16 16 110 20 16 13 STFH 32-2 l 2 40 32 25 1,7 148 149 WCF_ 2 _STFH 32-3l310032252,4148149WCF_ 3 _STFS R/L 2012-3 l q 3 40 20 20 12 110 - 12 9 WCF_ 3 _STFS R/L 2020-3ll50202020125-2017 STFH 32-4 l 4 100 32 25 3,4 148 149 WCF_ 4 _ STFS R/L 2525-3 l l 50 25 25 25 150 - 25 22 STFH 32-5 l 5 100 32 25 4,3 148 149 WCF_ 5 _ STFS R/L 2020-4 l l 4 50 20 20 20 125 - 20 16 WCF_ 4 _ STFS R/L 2525-4 l l 50 25 25 25 150 - 25 21 Remarks: All tool holders include a wrench type SL- 4 .Tool blocks for steel blades are ordered separately. STFS R/L 2020-5 l q 5 50 20 20 20 125 - 20 15 WCF_ 5 _STFS R/L 2525-5lq50252525150-2520 F38 l = Euro stockq = Delivery on request