Directed Electronics D2400 Instruções de Operação Página 21
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8. Applications
8.2.4 Altering the feeds or thread pitch
for D3000
1. Working with the automatic longitudinal feed
a. Turn the gear lever (19) to the symbol longitudinal turning. Slightly turn the lead screw by
means of the ball ended crank (31212) until the clutch disc engages.
b. Switch-on the direction switch on the right of the substructure.
middle position = off
left pressed = feed to the spindle
right pressed = feed to the tailstock
Adjust the feed speed with the potentiometer.
c. After completion of the automatic longitudinal turning, turn the direction switch to the middle
position again.
2. Working with the thread cutting unit
a At first the change gears needed for the desired thread pitch have to be mounted. The
machine is delivered with the wheels Z 36 and Z 24 for a thread pitch of 1.5 mm put on. When
cutting metric threads toothed wheel Z 48 remains on the change gear quadrant as indicated
in table 6.22. When cutting inch threads this wheel has to be replaced by toothed wheel Z 34.
For the different thread pitches only the tooth wheels B (beside Z 48) and C (on the main
spindle) are to be changed according to table 6.22.
b. Pre-select slowest spindle speed.
c. Turn the gear lever (19) to the symbol thread cutting. The lever must remain in this position
until the entire thread has been cut. For repeating the cutting process the machine must be
stopped by turning the reversing switch at the end of the cutting process and the thread cutting
tool is being removed from the cutting area. Now turn the reversing switch to left turning and
the support moves towards the tailstock. When the thread cutting tool is located approx. 5 mm
away from the thread start, stop the machine and move the transversal support to the starting
position of the first cut adding the desired chip removal. Then turn the reversing switch to right
turning and start the thread cutting process. The gear lever (19) remains in this position until
the thread cutting process has been completed.
RUECKW
VORW
0
AUS
NOT
direction switch
potentiometer
handle (19)
handle (31212)
- Please read before start-up! 1
- Operating instructions 1
- Universal Lathes 1
- Disposal of the lathe 2
- EC – Conformity Declaration 4
- 1. Machine dimensions 5
- 4. Overload protection 8
- 5. Safety Instructions 8
- 6. Start-up and Maintenance 10
- 6. Startup and Maintenance 12
- 7. Speed regulation 13
- 8. Applications 15
- . Lubrication coolant unit 24
- 13.1 Headstock 26
- Drawings and list of parts 27
- for D2400 and D3000 27
- 13.3 Lead screw drive 28
- 13.4 Lead screw drive 30
- for D3000 30
- zu D3000 31
- for D2000 32
- 13.6 Cross support 34
- 13.7 Tailstock 36
- 14. Circuit diagram 38
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