Sumi-Grip ”Jr.”Sumi-Grip ”Jr.” Steel Blade and Shank Type

Features of Design

Twice the holding force Effective Tooling with Sumi-Grip Jr. of conventional SUMI-GRIP

Holder breakage protection

via the end stopParting-OffGrooving Chamfering
Low price by steel holders
Long tool life from high performance inserts (interchangeable with SUMI-GRIP).
Twice the Insert HoldingLow VibrationWEAR RESISTANCE
ForceComparison of usable limit vibration(Interrupted cut part off)
Shape of work pieces: Hexagon
S-G0,15 -
UMIRIP

300 - 80 - (Solid carbide holder)

270 Measured70 -Competitor A breakage SUMI-GRIP Jr.
value of0,1 -
insert holding60 -SUMI-GRIP Jr.
200 - force using a
Competitor A
Grooving & Parting-Off dynamometer50 -

SUMI-GRIP 0,05 - (Solid carbide holder) 130 40 - 100 - ~~

0 -lll 0,1 0,2 0,3 Feed (mm/rev) 0 - l l 50 100

0 - Work Material: C45 (ø 50 mm, HB 250) Number of Cuts

SUMI-GRIP Jr.Competitor AInsert :3 mm width, coated (P25)
STFH32-33 mm widthWork Material: C45
Cutting Data: v c = 80 m/min, DryInsert :3 mm width, coated (P25)

Cutting Data: v = 150 m/min, c 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.

Dimensions (mm)ApplicableStockDimensions (mm)Applicable
Ordering No. StockOrdering No.
a øDhh b l linsertsR L a øDhh b l l f finserts

Max 1 1 Max 1 1 2 1

STFH 26-2 2 40 26 21,4 1,7 108 109 WCF_ 2 _ STFS R/L 1010-2 28 10 10 10 86 18 10 8

l l q

STFH 26-3 3 70 26 21,4 2,4 108 109 WCF_ 3 _ STFS R/L 1212-2 30 12 12 12 110 20 12 10

l l l 2 WCF_ 2 _

STFH 26-4 4 70 26 21,4 3,4 108 109 WCF_ 4 _ STFS R/L 1616-2 35 16 16 16 110 20 16 14

l l l

STFH 26-5 5 70 26 21,4 4,3 108 109 WCF_ 5 _ STFS R/L 2020-2 50 20 20 20 125 - 20 18

l l l

STFS R/L 1616-3 ll35 16 16 16 110 20 16 13
STFH 32-22 40 32 25 1,7 148 149WCF_ 2 _STFS R/L 2012-340 20 20 12 110 - 12 9

l l q 3 WCF_ 3 _

STFH 32-3 3 100 32 25 2,4 148 149 WCF_ 3 _ STFS R/L 2020-3 50 20 20 20 125 - 20 17

l l l

STFH 32-4 4 100 32 25 3,4 148 149 WCF_ 4 _ STFS R/L 2525-3 50 25 25 25 150 - 25 22

l l l

STFH 32-5 5 100 32 25 4,3 148 149 WCF_ 5 _ STFS R/L 2020-4 50 20 20 20 125 - 20 16

l l l 4 WCF_ 4 _

STFS R/L 2525-4 ll50 25 25 25 150 - 25 21
Remarks: All tool holders include a wrench type SL- 4 .STFS R/L 2020-5 lq50 20 20 20 125 - 20 15

Tool blocks for steel blades are ordered separately. 5 WCF_ 5 _

STFS R/L 2525-5 l q 50 25 25 25 150 - 25 20