Section C 25-26

SumiTurn T-REX Toolholders

External Profiling Double Clamp

93°

DTR55C External / Proling

Fig 1

–5˚

LH

LF

–7˚

Figure shows right-hand (R) tool.

C

Holder

Parts 

Dimensions (Inch / mm )

Cap Screw

Shim Screw

Shim Wrench

Cutting Edge Height

Stock

Clamp Spring

Shim

Wrench

Overall Length

Cutting Edge

Height Width

Head

Cat. No.

Fig

R L

N m

H B LF WFHF LH

(For Hex Socket) (For Torx Holes)

DTR55C R/L 123B DTR55C R/L 163D

.750 .750 4.50 1.00 .750 1.375 1

p

pp 1.00 1.00 6.00 1.25 1.00 1.375 1 DTR55C R/L 2020-K17   20 20 125 25 20 35 1 DTR55C R/L 2525-M17   25 25 150 32 25 35 1 Wrench for shim is sold separately from the main body. S-DTR55C Type:

3.5 to 4.5

TRCP3 S-SP4-20 BX0520

TRW5505 BFTX0307N TSW040 TRX10

E27

Internal Profiling

External Profiling Double Clamp

105˚

Fig 1

DTR55Q External Turning and Face Pro ling

C

–8˚

LH

–8˚

LF

D

Figure shows right-hand (R) tool.

Holder

Parts 

Dimensions (Inch / mm )

R

Cap Screw

Shim Screw

Shim Wrench

Cutting Edge Height

Stock

Clamp Spring

Shim

Wrench

Overall Length

Cutting Edge

Height Width

Head

Cat. No.

Fig

R L

N m

H B LF WFHF LH

S

(For Hex Socket) (For Torx Holes)

DTR55Q R/L 163D

pp 1.00 1.00 6.00 1.26 1.00 1.378 1

3.5 to 4.5

DTR55Q R/L 2020-K17   20 20 125 28.5 20 35 1 DTR55Q R/L 2525-M17   25 25 150 32.0 25 35 1

TRCP3 S-SP4-20 BX0520

TRW5505 BFTX0307N TSW040 TRX10

T

■ Features

1.5 times more cutting edges compared to DNMG inserts, for greatly reduced machining costs • 55° Included Angle with 6 Cutting Edges

Powerful clamping with double clamp- on lock and serrated insert design • Extra-Strong Clamping ↓

● T-REX Insert/Tool Holder Identi cation

Insert

TRM 55 08 -GU 17

3

T-REX Insert

Angle

Nose Radius

V

1

Name of Chipbreaker

Insert Size

· Prevents the cutting edge position from shifting during profiling · Reliable even in interrupted machining

External Holder

4

DTR 55

17 C R 2525 -M

 5

2

Angle

Feed Direction

Shank Length

T-REX Holders

W

Cutting Edge Angle

Shank Size

Insert Size

6

Note: Cutting Edge Angle C: 93° (95.5° for major cutting edge) Q: 105° (107.5° for major cutting edge)

55° Angle

Double Clamp-on Lock

■ Important Notes

● Cutting Edge Angle

● Depth of Cut

● Tightening Torque

Serration

B

.098” or below

A

For the insert clamp, use the included dedicated wrench (TSW040) to tighten at 3.5 to 4.5N·m torque.

A B

Note

Holder Cat. No.

Maximum depth of cut should be .098”. l = USA Stocked Item  = World Wide Warehouse Item

DTR55C DTR55Q

93° 27° Main blade cutting edge angle is 95.5° Main blade cutting edge angle is 107.5° 15° 105°

C27

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