Page 1

PERMISSIBLE RUN-OUT-mm CLAMPING RANGE Ød (mm)

L (mm)

ABOVE

UPTO

1.0

1.6

1.6

3.0

3.0 6.0 10.0

6.0 10.0 18.0

16.0 25.0 40.0

18.0 26.0

26.0 34.0

50.0 60.0

PERMISSIBLE RUN-OUT-Inch RUNOUT (TIR)

NORMAL PRECISION

HIGH PRECISION

CLAMPING RANGE Ød (Inch)

L (Inch)

ABOVE

UPTO

6.0

-

1/16

¼

10.0

1/16

1/8

3/8

1/8 1/4 3/8

1/4 3/8 3/4

5/8 1 1 9/16

3/4 1

1 1 3/8

2 2 3/8

0.015 mm

0.020 mm

0.010 mm

0.015 mm

RUNOUT (TIR) NORMAL PRECISION

HIGH PRECISION

0.0006’’

0.0004’’

0.0008’’

0.0006’’

COLLETS ER TYPE

DIN 6499 – FORM B

METHOD OF INSERTION & RELEASE FOR ER COLLET INSERTING

1. PRESS COLLET ON TO THE NUT AT AN ANGLE AS SHOWN TO ENGAGE ECCENTRIC PROJECTION OF NUT WITH GROOVE OF COLLET. 2. SCREW NUT ONTO COLLET CHUCK WITH COLLET SECURELY IN NUT. 3. INSERT THE TOOL TO BE GRIPPED AND TIGHTEN THE NUT

IMPORTANT: NEVER SCREW THE NUT ONTO COLLET CHUCK UNLESS THE COLLET IS PROPERLY SEATED IN NUT RELEASING

1. UNSCREW THE NUT FROM COLLET CHUCK. 2. THE COLLET IS WITHDRAWN FROM COLLET CHUCK AUTOMATICALLY BY THE ECCENTRIC PROJECTION IN THE NUT. 3. HOLD THE NUT IN ONE HAND AND REMOVE COLLET AT AN ANGLE BY THE OTHER HAND. AS SHOWN IN FIGURE

NOTE: RD COLLETS ARE EQUIVALENT TO ER & ESX COLLETS Page 17

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