BIG DAISHOWA High Performance Tooling Solutions Vol 1

MILLING CHUCKS

MEGA PERFECT GRIP

COOLANT

H

THROUGH

H 1

BCV50

COOLANT

L 1

L

R

S P I N D L E S Y S T E M DUA L CON T AC T

Catalog Number

Weight (lbs.)

Ød

ØD

L

L 1

H

H 1

Wrench

BCV50-MEGA.750DPG-4 BCV50-MEGA1.000DPG-4 BCV50-MEGA1.250DPG-4.25

.750

2.362 2.756 3.150

4.000 4.000 4.250

1.062 1.299 1.614

1.929 2.165 2.244

.913

MGR60L MGR70L MGR80L

9.9

1.000 1.250

1.024 1.102

10.6 12.3

Always replace worn or damaged key grips immediately for safe operation. ! CAUTION

• Key grip and spring are included; wrench must be ordered separately • “H” indicates the adjustment length with an adjusting screw • “H 1” is the dimension from the center of the Key Grip to the front end of the chuck

Key Grip (2 pcs.)

Clamping Ø

Spring

PKG.750-2P PKG1.000-2P PKG1.250-2P

PSP1823 PSP2420 PSP3128

.750

1.000 1.250

• Spare key grips are available in 2 pcs. per set

CYLINDRICAL SHANK WITH FLAT SECTION The following standard shank is required for MEGA PERFECT GRIP.

W

L 1

Ø.750"

Ø1.000"/Ø1.250"

L

ØD

W

K

L

L 1

Nominal

Tolerance

Nominal

Tolerance

Nominal

Tolerance

.750

2.032

1.016

.455

.675

-.0001 -.0005

+.002 -0

+0 -.016

1.000 1.250

.925

2.281

1.141

.515

1.156

• Please contact your cutting tool supplier for conformance to this standard. Reprinted from ASME B94.19-1997, by permission of The American Society of Mechanical Engineers. All rights reserved.

In case you are adding your own flat, the tool projection length in the MEGA PERFECT GRIP will be decided by the flat position. Refer to H 1 in the MEGA PERFECT GRIP chart, decide the flat position to add, and then cut the cutter at L 1 on cutter shank. ! CAUTION

73

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