BIG DAISHOWA RA HOLDER

RUNOUT ADJUSTABLE RA HOLDER

Hi-POWER MILLING CHUCK CLAMPING RANGE: ø20-32mm

COOLANT

R

SPINDLE SYSTEM DUAL CONTACT

THROUGH

x (Cutting Tool Length)

x (Cutting Tool Length)

L

L

H

H

Adjusting Screw (Ordered Separately)

L 1

L 1

Adjusting Screw (Ordered Separately)

Adjusting Amount

Adjusting Amount

1.378

Fig. 2

Fig. 1

Adjustment

Catalog Number

Min Clamping

Weight (lbs.)

Fig.

ød

øD øD 1

L

L 1

K

H

Wrench

x=50mm x=100mm

BBT40-HMC20S-130NRA

20mm 25mm 32mm 20mm 25mm 32mm

1.969 2.835 5.12 1.81 2.72-3.11 3.35 2.323 3.150 5.32 1.81 2.95-3.35 3.54 2.677 3.386 5.71 2.17 3.35-3.74 4.13 1.969 2.835 4.92 1.81 2.72-3.11 3.35 2.323 3.150 4.92 1.81 2.95-3.35 3.54 2.677 3.386 5.32 2.17 3.35-3.74 4.13

1.77 1.77 2.17 1.77 1.77 2.17

23μm 33μm FK45-50L 6.4 21μm 30μm FK58-62L 7.7 20μm 28μm FK68-75L 8.4 23μm 33μm FK45-50L 11.5 21μm 30μm FK58-62L 12.3 20μm 28μm FK68-75L 13.2

-HMC25S-135NRA -HMC32S-145NRA

1

BBT50-HMC20S-125NRA

-HMC25S-125NRA -HMC32S-135NRA

2

• Collet, wrench and adjusting screw must be ordered separately • “H” indicates the adjustment length with an adjusting screw • BCV available upon request

Runout Adjustment Amount The adjustment amount depends on the length of the holder and the tool projection length. The maximum adjustment amount possible for 50mm and 100mm tool projection lengths is listed in the table. The maximum adjustment amount is a reference figure available when the Adjustment Screw is tightened with the listed allowable torque. Allowable Torque for Adjusting Screw

Adjusting Amount

NEW Hi-POWER MILLING CHUCK

Wrench (Optional)

Allowable Torque (N-m)

HMC20S-NRA HMC25S-NRA HMC32S-NRA

x=50mm (Cutting Tool Length) x=100mm (Cutting Tool Length)

CK-T4

8

5

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