Instruction Manual
Section Five
B947 Tap Grinding Fixture
Figure 53A
—70--
B647B6 1 .140 Bushing—Taps 0 to 6
B647B8 1 .168 Bushing—Taps 7 and 8
B647B10 1 .194 Bushing—Taps 9 and 10
B647B12 1 .220 Bushing—Tap 12
B647B¼ 1 .253 Bushing—Tap ¼
B647B
5
/
16
1 .318 Bushing—Tap V.
B647B⅜ 1 .381 Bushing—Tap ⅜
6 B647B
3
/
16
1 .123 Bushing—Tap
3
/
16
6 B6I7B½ 1 .367 Bushing—Tap ½
6 B647B
9
/
16
1 .429 Bushing—Tap
9
/
16
6 B647B⅝ 1 .480 Bushing—Tap ⅝
6A B647F
15
/
16
1 .542 Bushing for B641C800 Collet
6A B647F¾ .590 Bushing for B641C800 Collet
6A B647F⅞ .697 Bushing for B641C800 Collet
Index Part Quan. A
No. No. Req. Size Description
Index Part Quan. A
No. No. Req. Size Description
Index Part Quan.
No. No. Req. Description
7 B647KS 1 Key for Collet
8 B647KT 1 Key for Index Disc
9 B820S 1 Swivel
Index Part Quan.
No. No. Req. Description
10 B942B 1 Base
11 B942T 1 T Slot Block
12 B947A 1 Collet Adapter
Left Hand Lift Cam
Index Part A
No. No. Description SIZE
Right Hand Lift Cam
Index Part A
No. No. Description Size
13 B947C2 Flute 0 to 12 Tap .275
13 B947C2 Flute 12 and over Tap .355
13 B947C3 to 6 Flute 0 to 12 Tap .281
13 B947C3 to 6 Flute 12 to ⅜ Tap .375
13 B917C3 to 6 Flute ⅜ to ¾ Tap .468
13 B947C3 to 6 Flute ¾ and over Tap .562
13 B947CL2 Flute 0 to 12 Tap .275
13 B947CL2 Flute 12 and over Tap .355
13 B947CL3 to 6 Flute 0 to 12 Tap .281
13 B947CL3 to 6 Flute 12 to ⅜ Tap .375
13 B947CL3 to 6 Flute ⅜ to ¾ Tap .468
13 B947CL3 to 6 Flute ¾ and over Tap .562
Index Part Quan.
No. No. Req. Description
Index Part Quan.
No. No. Req. Description
14 B947D2 1 Index Disc (2 Flute)
14 B947D3 1 Index Disc (3 Flute)
14 B947D4 1 Index Disc (4 Flute)
14 B947D5 1 Index Disc (5 Flute)
14 B947D6 1 Index Disc (6 Flute)
15 B947F 1 Felt
16 B947H 1 Housing
17 B947R 2 Cam Retainer Pin
18 B947S 1 Spindle
19 B947T 1 Thrust Collar
20 B947W 1 Draw Tube
21 B947Y 1 Coil Spring
22 6-32x⅜ 4 S. T. Round Head Screw (N.P.)
23 ¼ x ¼ SAE 1 Socket Set Screw
25
5
/
16
x⅝ SAE 1 Hex Socket Cap Screw
26
5
/
16
x ⅝ USS 1 Hex Socket Cap Screw
27 ⅜ USS 2 Hex Nut (H)
28 ⅜ Std. 2 Lock Washer (L.B.)
21 RR-275 1 Spirolox—Internal
STANDARD EQUIPMENT
B64IC
9
/
16
Collet
B647B8 Bushing—Taps 7 and 8
B647B10 Bushing—Tap, 9 and 10
B647B12 Bushing—Taps 12
B647B¼ Bushing—Tap ¼
B647B
5
/
16
Bushing—Tap 5/16
B647B⅜ Bushing—Tap 3/8
B647B
7
/
16
Bushing—Tap 7/16
B647B½ Bushing—Tap ½
B647B
9
/
16
Bushing—Tap 9/16
B647B5/8 Bushing—Tap 5/8
B947C2 Flute 0 to 12 Tap
B947C2 flute 12 and over Tap
B947C3 to 6 Flute 0 to 12 Tap
B947C3 to 6 Flute 12 to ⅜ Tap
B947C3 to 6 Flute 3/4 and over Tap
B947C3 to 6 Flute 3/8 to 3/4 Tap
B947D2 Index Disc (2 Flute
B947D3 Index Disc (3 Flute)
B947D4 Index Disc (4 Flute)
AVAILABLE ACCESSORIES
B641C800 .800 Collet to fit 1" Tap
B647F Bushings for B641C800
Collet to fit 11/16, 3/4," and
7/8 Taps
B647B Bushing Taps 0 to 6 incl.
B647P Driver for Taps over 1"
A26IG Spring Center. B821 or B922R
Tail Stock must be used with B647P.
B947CL2 Flute 0 to 12 Tap
B947CL2 Flute 12 and over Tap
B947CL3 to 6 Flute 0 to 12 Tap
B947CL3 to 6 Flute 12 to 3/8, Tap
B947CL3 to 6 Flute 3/8, to 3/4 Tap
B947C13 to 6 Flute 3/4 and over Tap
B947DS Index Disc (5 Flute)
B947D6 Index Disc (6 Flute)
Index Part Quan.
No. No. Req. Description
A B641C 1 Collet 9/16
I B611C800 .800" Collet to Fit 1" Tap
5 B641H 1 Hand Nut
Index Part. Quan.
No. No. Req. Description
1 B620D 1 Back Plate
2 B620C 1 Swivel Stud
3 B620R 1 Base Stud
6
6
6
6
6
6
6
II
10
II
22
28
27
16
6
19
9
3
1
2
21
5
26
20
23
29
15 25
18
7
17
13
-8
14
12
4
14
28
27
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