Darmet - Tool Holding

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ER Collet for Tools with Cylindrical Shanks (DM-070)

Properties and application:

  • ER (DIN6499B) collet for tools with cylindrical shanks

Specifications:

ERCollet for Tools with Cylindrical Shanks(DM-70) ERCollet for Tools with Cylindrical Shanks(DM-70)

ERCollet for Tools with Cylindrical Shanks(DM-70) ERCollet for Tools with Cylindrical Shanks(DM-70)

ER Collet for Tools with Cylindrical Shanks(DM-70)
Modeld H7
[mm]
D
[mm]
D1
[mm]
D2
[mm]
L
[mm]
L1
[mm]
L2
[mm]
L3
[mm]
DM 70 ER8 Ø1 - Ø5 Ø8 Ø8,45 Ø6,5 13,5 2,98 1,5 1,2
DM 70 ER11 Ø1 - Ø7 Ø11 Ø11,5 Ø9,5 18,0 3,8 2,5 2,0
DM 70 ER16 Ø1 - Ø10 Ø16 Ø17,0 Ø13,8 27,5 6,26 4,0 2,7
DM 70 ER20 Ø1 - Ø13 Ø20 Ø21,0 Ø17,4 31,5 6,36 4,8 2,8
DM 70 ER25 Ø1 - Ø16 Ø25 Ø26,0 Ø22,0 34,0 6,66 5,0 3,1
DM 70 ER32 Ø2 - Ø20 Ø32 Ø33,0 Ø29,2 40,0 7,16 5,5 3,6
DM 70 ER40 Ø3 - Ø26 Ø40 Ø41,0 Ø36,2 46,0 7,66 7,0 4,1
DM 70 ER50 Ø6 - Ø34 Ø50 Ø52,0 Ø46,0 60,0 12,6 8,5 5,5

Mounting the collet in the nut:

ER Collet (DIN 6499B) for tools with cylindrical shank (DM-70)

Mounting the collet in the nut

Properly mounted collet Dismounting of the collet

 

For proper mounting of ER collet follow these steps:

  • Put the collet into the nut at a slight angle
  • Hook the groove of the collet on eccentric or cylindrical edge of the collet (fig. A)
  • Jam the collet into the nut (fig. B)
  • Screw the nut with collet on the toolholder, so that mounting of the machined tool is possible

Max mounting diameters in relation to ER collet size:

ER Collet (DIN 6499B) for tools with cylindrical shank (DM-70)

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