HOLZMANN MASCHINEN ED 300FD, Руководство пользователя

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TROUBLESHOOTING
HOLZMANN MASCHINEN GmbH www.holzmann-maschinen.at Seite 41
METALLDREHMASCHINE / METAL TURNING LATHE ED 300FD
16 TROUBLESHOOTING
Disconnect the machine from the power supply prior to any checks performed
at the machine itself !
Trouble Possible cause Solution
Machine does not start

machine is not connected

fuse or contactor broken

cord is damaged

Check all electric connections

Change fuse, activate the contac-
tor

Replace cable
Machine does not come
up to speed

Extension cord too long

Not suitable for existing motor
voltage

weak power grid

Exchange on optional extension
cable,see wiring box cover for cor-
rect wiring

Contact the electrician
The machine vibrates
strongly

Stands on uneven ground

Engine mounting is loose

Reconstitute

Tighten the fixing screws
Turning tool has a short
life

Hard casting skin

At high cutting speed

Too large an advance

Insufficient cooling

Cast skin before break

Select cutting speed lower

Lower delivery (finishing allow-
ance not more than 0.5 mm)

More cooling
Cutting breaks out

Wedge angle is too small (heat
congestion)

Grinding cracks by improper coo-
ling

Excessive play in the spindle bear-
ings (vibrations occur)

Choose wedge angle greater

uniformly cool

Adjust play in the spindle bear-
ings. If necessary, replace tapered
roller bearings.
Twisted threads wrong

Thread turning tool is incorrectly
clamped or sanded wrong

Incorrect pitch

Wrong diameter

Setting the turning tool on center

Grind angle correctly

Set the correct slope

Pre-turns workpiece to exact di-
ameter