PRECITEC Lasermatic LightCutter, Руководство по эксплуатации

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7.2 Malfunctions
LightCutter
7 - 64
© Precitec GmbH & Co. KG • EN 09/2019 D 159195
7.2.2 Mechanical malfunctions
Table 7-2 Error analysis: Mechanical malfunctions
Malfunction Cause Action to be taken
Cutting gas pressure does not
build up Cutting gas hose is not connected
properly – Connect the cutting gas hose
properly (see Fig. 3-7 , page 3-31 )
Protective window cartridge loose or
protective window damaged – Replace the protective window
cartridge or push in until it clicks into
place (see
chapter 5-3 , page 5-44 )
Gasket between the ceramic part and
the sensor insert not tight – Replace the worn gasket (see
chapter 5-2 , page 5-43 )
Cutting gas escapes somewhere else – Send the laser head back for repair
Nozzle is getting too hot Laser beam obstructed
(bad focus centring) – Check the focus centring
(see chapter 4.2.1 , page 4-35 )
Gases and liquids do not
reach the cutting point Gas and liquid hoses are not
connected properly – Connect the gas and liquid hoses
properly
(see
chapter 3.4.1 , page 3-31 ,
chapter 3.4.3 , page 3-33 )
Gases and liquids escape at other
places – Send the laser head back for repair
Beam position centring device
difficult to turn Adjusting screw threads damaged
or dirty – Send the laser head back for repair
(see chapter 4-1 , page 4-35 )
Vertical adjustment device
(indicating dial)
for adjusting the
focal position difficult to turn
Mechanical adjustment parts
damaged or dirty – Send the laser head back for repair
(see chapter 4-2 , page 4-37 )
Focal position cannot be
found in the adjustment range
of the vertical adjustment
device Wrong focal length of the focusing
lens or focusing lens damaged – Replace the laser head
– Send the laser head back for repair
Bad cut • Focus diameter too large
• Wrong focusing lens installed in
the laser head
• Focusing lens damaged or wrong
focal length
– Replace the laser head
– Send the laser head back for repair
Bad focal position/centring – Check the focal position/centring,
remove the error if necessary
(see
chapter 4.2 , page 4-35 )
Protective window dirty – Clean the protective window and
replace if necessary
(see
chapter 5.5 , page 5-44 )
Influence of the alloy
(work piece)
– Adjust cutting parameters