Adjusting Thread Length On Nos. 924, 926, And 928 Die Heads; Threading With No. 815-A Self-Opening Die Head - RIDGID 1233 Manual Del Operador

1233 Pipe and Bolt Threading Machine
Adjusting Thread Length on Nos. 924,
926 and 928 Die Heads
1. If shorter thread form is desired, loosen hex bolt on die
head trigger foot (Figure 11) and slide trigger foot to-
ward machine. Re-tighten hex bolt. (FOOT-IN)
2. If longer thread form is desired, loosen hex bolt on
die head trigger foot (Figure 11) and slide trigger foot
away from machine. Re-tighten hex bolt. (FOOT-
OUT)
Hex Bolt
Longer
Thread
Shorter
Thread
Figure 11 – Position Die Head Trigger Foot for Long or
Short Thread
Threading with No. 815-A Self-Opening
Die Head
(Figure 12)
1. Chuck pipe.
2. Cut and ream pipe.
3. Install proper size dies into die head. Separate die
sets are required for ( 1
pipe. Individual sets of dies are required for each bolt
size.
4. Size die head to proper size.
5. Turn ON/OFF switch to ON position, place cutter
and reamer in their UP position, and step on foot
switch.
NOTE! Cutting oil will flow to carriage and dump into chip
pan. Certain machines do not include foot switch!
6. Lower die head and oil will flow through head and
onto dies.
7. Feed die head towards pipe with carriage hand-
wheel. Apply slight pressure to handwheel until 3 - 4
threads have been cut.
8. Release handwheel.
10
/ " - 3 / "), ( 1 / " - 3 / ") and (1" - 2")
4 8 2 4
NOTE! For 1 / " - 2" pipe; die heads will open automatically
2
when proper length of thread has been cut. For
- 3 / " pipe die head must be opened manually.
8
Figure 12 – Threading with 815-A Self-Opening Die Head
9. With die head trigger placed up and out of the way,
thread length can be controlled by manually re-
leasing throw-out lever. This is necessary for mak-
ing long BSPP and NPSM threads.
10. Check the thread length and depth. (Figure 13)
Die
W
Starting to Cut Thread
Thin Ring
Gage
Flush
(Basic Size)
B - Checking Threads Within Pipe Gage
Figure 13 – Checking Thread Length and Depth
NOTE! 1. Parallel threads cannot be cut with tapered dies.
2. Slight die head depth adjustment may be nec-
essary due to fitting variation.
3. Receding dies are not full-width dies.
Ridge Tool Company
Die Flush
W
With End
of Pipe
Pipe
Pipe
Completed Thread
A - Full Width Die Thread
D D
One Turn Large One Turn Small
(Maximum Size) (Minimum Size)
1 / "
4
Die
D