SIPLACE D系列Servicemanual.pdf - 第80页

Service Wo rk Gantry D4 80 Servicemanual (internal ve rsion) SIPLACE D Series 4.1.4.3 Replacing th e Y Linear Motor - Secondary Part Tools and Equipment  Set of DIN 911 Allen keys  SITEST program Parts  Magnetic strip…

Service Work

D4 Gantry

Servicemanual (internal version) SIPLACE D Series

Switch the adhesive device over to the right-hand side of the gantries.

X Extract the long pin from the adhesive device.

X Lift the adhesive device off the Y ball bearing unit guide rail.

X Move both basic gantries as far as possible to the left.

X Place the adhesive device in the same position as it was before.

X Fit the adhesive device again as described above and continue with the fixture process.

X Remove the right guide and the rest of the protective sheet.

X Push the adhesive device as far as the right stop.

X Remove the adhesive device.

X Press the rest of the scale down with your hand and with the help of a tear-resistant cloth.

X Remove the centering pin from the left side of the scale.

X Clean the scale with a cloth and ethanol.

X Clean the reading surface of both Y incremental encoders with a cloth and ethanol.

Settings

X Check the track signals at the two incremental encoders.

X Calibrate the Y zero point correction values at the two gantries.

X Loosely screw the two Y incremental encoders

(3) to the basic gantry with two M3x10

hexagon sprocket-head screws (2), each.

X Use the feeler gauge to set the 0.4 mm gap

between the Y incremental encoder and scale

and then tighten the fastening screws.

Service Work

Gantry D4

80 Servicemanual (internal version) SIPLACE D Series

4.1.4.3 Replacing the Y Linear Motor - Secondary Part

Tools and Equipment

 Set of DIN 911 Allen keys

 SITEST program

Parts

 Magnetic strips - secondary part of Y drive

Removal

X Switch off the machine and secure it to prevent unauthorized reactivation.

X Move the gantry in the PCB transport direction and position it so that the permanent magnets can be

removed:

 Gantry 1 via the permanent magnets (1C)

 Gantry 2 via the permanent magnets (2C)

 Gantry 3 via the permanent magnets (2C)

 Gantry 4 via the permanent magnets (1C)

X Remove the black cover strips on the crossbeam above the gantry concerned (3 M6 x 8 hexagon

socket-head screws).

DANGER: POWERFUL MAGNETIC FIELD

Always follow the special safety instructions when working in the vicinity of powerful magnetic

fields.

Service Work

D4 Gantry

Servicemanual (internal version) SIPLACE D Series

4-21: Position of the permanent magnets for the Y-axis linear drives

Legend

X Remove the permanent magnets from the gantry concerned:

X Remove the magnet cover plate as follows:

Lift both sides of the cover plate at the same time.

Pull it out towards one side, until it reaches the gantry.

Insert the notch of the shorter end into the groove between the magnetic strips.

Move the gantry over this groove, until the cover plate can be removed.

X Carefully remove the blue covers e.g. with a screwdriver.

X Loosen the 4 (1A or 2D) or 16 (all others) M6x12 hexagon socket-head screws, fastening the

permanent magnets.

1A, 1B, 1C,

Permanent magnets for Y linear drive of

gantries 1 and 4

2A, 2B, 2C,

Permanent magnets for Y linear drive of

gantries 2 and 3

T Transport direction

CAUTION:

Permanent magnets

When permanent magnets are placed on a magnetic surface (e.g. iron, nickel or steel), be

extremely careful not to catch your hands or fingers between the surface and the permanent

magnet.

X If you do, you will not be able to lift the magnet from the surface on your own.