Description
Self-Reversing Tapping Head
Applications:
- Depth control
After the machine spindle travel stops, the tap advances 0.140″ 0.004″. - Example: to achieve a tap depth of 1.000″, stop the spindle at 0.860″. The tap
will advance an additional 0.140″ to 1.000″ deep. - NC Machine
Set the torque as high as possible within the safe limits of the tap. The NC machine cutting feed equals (Top Pitch x Spindle RPM). Reverse feed equals 2 X (Top Pitch X Spindle RPM). - In a fitted plastic case.
- Right or left-hand tapping without modification; re-entry cushion
- Please do not use the self-reversing tapping heads as drill chucks.
Features:
- Guaranteed depth control; within 0.004″
- Chatter-free clutch has positive engagement which allows for a smoother, more accurate operation and more rapid reversal
- Radial Float is self-centering to compensate for hole center misalignment
- The unique Double Spring mechanism produces automatic feed and cushion drive. There are 2 springs for the feed and 2 springs for the reversal
- Pre-set torque control permits easy operation of tap brake torque control
- Head comes complete with 2 collets
- 2600-4002 (JSN-07) package along with arbor MT1-JT6, MT3-JT6
- 2600-4012 (JSN-12) package along with arbor MT3-JT6, MT4-JT6
- 2600-4022 (JSN-20) package along with arbor MT3-20mm Thread, MT4-20 mm Thread
| Item | Tapping Capacity in Steel | Code | Jacobs Taper # | REC. Max Speed (RPM) | Reverse Ratio | Body Diameter | Overall Length | Clockwise Compression | Expansion | Counter Neutral | Clockwise Expansion | Uses Collets |
|
2600-4002 |
#0-1/4″(M2-M7) | JSN-7 | 6JT | 1500RPM | 01:01.6 | 2.215 | 5.118 | 0.197 | 0.14 | 0.0023 | 0.394 | I-116,117 |
|
2600-4012 |
#4-1/2″(M5-M12), 1/8″ NPT | JSN-12 | 6JT | 1000RPM | 01:01.8 | 2.95 | 6.14 | 0.197 | 0.16 | 0.0027 | 0.551 | I-421,422 |
|
2600-4022 |
5/16-3/4″(M8-M20), 1/8″, 1/4 NPT | JSN20 | M20 | 600RPM | 01:01.7 | 3.58 | 8.03 | 0.236 | 0.24 | 0.0036 | 0.551 | I-441,445 |
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