Manual Huvema HU 430 X 1000 VAC TOPLINE (page 13 of 48) (Dutch)

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WIJZIGINGEN EN TYPEFOUTEN VOORBEHOUDEN WIJZIGINGEN EN TYPEFOUTEN VOORBEHOUDEN

8.5 balanCeren van de spIndel

Beweeg stelblokken A of B naar links of rechts totdat u

nog maar een licht trillen voelt. Wijzig hierna het toerental

in 2000 omw/min of 900 omw/min en controleer ook

bij deze toerentallen op trillingen. Stel bij zoals eerder

beschreven.

8.6 TandwIelkasT

Tandwielen zorgt voor de overbrenging van de vaste kop naar de tandwielkast. Duw hendel 1 (afb. 8) naar rechts, de

tandwielen draaien naar rechts. Duw de hendel naar links om de tanden in omgekeerde richting te laten draaien. Plaats de

hendel in de middelste positie om uit te schakelen. Wijzig het toerental nooit bij lopende motor!

8.7 werkIng van de TandwIelkasT

8.7.1 draadsnIjden

Het achterdrijfwerk wordt niet bij draadsnijden gebruikt. Refereer aan de voedingstabel op de tandwielkast voor de juiste

instellingen van hendels 2, 38, en 34 (afb. 8).

8.7.2 auTomaTIsChe voedIng

De automatische voeding wordt bepaald door de snij- en voedingssnelheid. Refereer aan de snijtabel voor de juiste

voedingssnelheid en de positie van hendels 2, 38 en 34 (afb. 8).

8.8 handmaTIge bedIenIng

Plaats de slotmoerhendel (18) en de schakelaar voor links/rechts (1, afb. 8) in de N-positie. Hierdoor kunt u zelf het

handwiel van de bedslede (13), de hendel van de dwarsslede (14) en het handwiel van de kruissupport (32) bewegen.

De verplaatsing bedraagt voor de langsverplaatsing 20 mm per rotatie van handwiel 13. Voor de dwarsverplaatsing 10

mm per rotatie van hendel 14. Voor de kruissupport 4 mm oer rotatie van handwiel 32. De schalen voor de langsvoeding,

dwarsslede en de kruissupport zijn respectievelijk onderverdeeld per 0.01, 0.02 en 0.04 mm. Maak de klemhendel

voor de viervoudige beitelhouder (10, afb. 8) los, de beitelhouder kan nu naar links worden gedraaid alvorens deze

geklemd wordt. Draai de klemhendel (20) vast om de slotplaat te klemmen. Wanneer er speling tussen de dwarsslede en

kruissupport bestaat, kan de speling worden opgeheven door de stelspie en de stelschroeven aan beide kanten van de

zwaluwstaartgeleiding opnieuw af te stellen.

4-5 The Importance and Methods of Spindle Leveling Adjustment

1. A lathe without proper leveling adjustment is likely to chatter. As a

consequence, this will influence the cutting accuracy of work piece and result

in poor roundness accuracy and finish. It is necessary to pay attention to the

spindle leveling from time to time in order to have the best cutting condition of

the lathe. Belt, 3-jaw chuck and the accumulative tolerances of parts on

headstock, all such factors, can make the lathe chatter. To get rid of those

problems, our lathe is especially designed to be equipped with leveling blocks

mounted on the locking nut at the rear side of the spindle. The leveling blocks

can be properly adjusted according to different condition. Please refer to

following description & figure for proper adjustment.

2. Firstly, set up the spindle speed at 1350 rpm. Put the palm on left hand of the

headstock cover and press the switch by left hand. Then switch on the lathe to

make the spindle turn. Move the leveling block “A & C” left or right by hand

feeling until obtain the best leveling position. Then also move the leveling

block “B” left or right till the best position with same way. Adjust repeatedly

till your hand feels no chattering. Afterwards, change the spindle speed to

2000rpm or 880rpm and check the leveling in the same way as we did at

1350rpm. Finally, for the leveling block set screw a, a’, b.b. c.c. securely.

Fig.4-5

Afb. 9

4-6 Transmission & Stop of Gear Box

Open the end cover to find the gear train transmitting from headstock to gear box,

position the forward/reverse shifting lever (○

of figure 1-1) to right side, the spindle

will rotate forward; to right; reverse; to Neutral, stop. Do not change the gears while

turning.

4-7 Gear Box Operation

1. Threading:

With the special design, there is no need to re-arrange the back gears for threading.

Please refer to the ‘threading & feeding table’ and handle the thread/feed selection

lever (○

of figure 1-1), thread, feed shifting lever (○

of figure 1-1) and 10-step

feed selection dial (○

of figure 1-1) accordingly.

2. Auto feeding

Also select the appropriate auto feeding rate by positioning the thread, feed

selection lever (○

of figure 1-1), thread, feed shifting lever (○

of figure 1-1) and

10-step feed selection dial (○

of figure 1-1) as indicated on the ‘threading and

feeding table’.

4-8 Manual Operation

First, position both the halt nut engage lever ○

, and forward and reverse shifting

lever (○

of figure 1-1) to ‘N’ position to operate the apron handwheel ○

cross slide

handle ○

, and compound rest handle ○

easily.

It feeds 17mm or 20mm (according to requirement) per revolution of apron

handwheel. The dials on cross slide and compound rest is graduated 0.02mm per

calibration, and feeds 5mm per revolution.

The tool post can be rotated clockwise after loosing the tool post clamping lever

(○

of figure 1-1). Then position and tighten the clamping lever. For fixing the apron,

just handle the saddle clamping lever ○

. For cross slide and compound rest, screw

tightly the set screws beside the taper pin.

○

Fig. 4-8

Afb. 10

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Huvema HU 430 X 1000 VAC TOPLINE Manual

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