BIG DAISHOWA Measuring Instruments

MEASURING INSTRUMENTS

DYNA CONTACT A ceramic taper gage allowing inspection of machine spindle tapers at a glance. • Made of ceramic • Clearly shows Prussian blue

Provided with an Aluminum Case

L 3

L 4

L

α

L 2

L 1

Taper Angle: 8° 17' 50" ±1"

Catalog Number DC-30P DC-40P DC-50P

Taper Number

Weight (lbs.)

ØD

Ød 1

Ød 2

L

L 1

L 2

L 3

L 4

α

30 40 50

1.250 1.750 2.750

.91

1.42 1.93 1.93

1.906 2.575 4.008

2.22 2.89 4.40

4.2 4.4 4.5

6.4 7.2 8.9

3.69 3.74 3.74

.236 .236 .315

1.14 2.64 5.76

1.34 1.93

4

• It can be used for BBT (BT=JISB6339), BDV (DV=DIN69871) and BCV (CV = ANSI)

DYNA TEST Regular inspections using a DYNA TEST bar can help identify potential issues with spindles and bearings, reducing downtime and costly repairs. The precise test bar is designed to test the spindle’s runout, check the parallelism of z-axis movement and can also be used as a setting gage for tool presetters.

L Effective measuring length A

BASIC TYPE

Catalog Number

L

A

ØD

NT30-32-L150 NT30-32-L225 NT40-50-L200 NT40-50-L335 NT50-50-L200 NT50-50-L335

5.906 8.858 7.874

5.591 8.543 7.244

1.260

1.970

13.189

12.559

7.874

7.520

1.970

13.189

12.835

• JIS taper length with metric pullstud bolt thread

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