YSM20_YSM20W_Mainte_E.pdf - 第112页

3-54 3 Periodic maintenance items 8 Apply grease to ball scre w and hexagon spline. Apply the specified grease (NSL) with finger uniformly over the hexagon spline shaft sur face and ball screw surface and groove. 9 Apply…

3-53

Periodic maintenance items

Clean each part of W/U axes.

1. Press the emergency stop button and

then open the machine safety cover.

2. If the machine is carriage type, detach

carriage to access to the conveyor.

3. Take off all accessories susceptible to the

magnetic fields, such as a wristwatch

and/or magnetic ID card.

4. Wipe the old grease and soiling on entire

areas of 8 ball screws, 6 guides , and 4

hexagon splines of the W and U axes with

lint-free cloth.

NOTE

Carefully wipe the lead grooves of the ball screw and

guide rail during the cleaning. Additionally, make sure

that any dirt is not produced after wiping.

NOTE

See "Chapter 5 Lubrication points" for the positions and

quantities of ball screw, guide, and hexagon spline.

Change the conveyor width to the

maximum width.

1. Close the machine safety cover and

cancel the emergency stop. Attach the

carriage if the machine is the carriage

type.

2. Press the [Width] button to display the

"Conveyor Width" screen.

3. Enter the maximum value of the

conveyor width of dual-stage type "490

mm" in the "Target Width" box and press

the [OK] button. The conveyor width is

changed to the specified width.

TIP

The push-up unit is lowered automatically by changing

the conveyor width.

Raise the push-up unit.

Raise the push-up unit following Step 3.

Wipe off remaining grease.

1. Press the emergency stop button and

then open the machine safety cover.

2. Detach the carriage if the machine is the

carriage type.

3. Wipe off remaining grease describes in

Step 4 with lint-free cloth.

Cleaning W-axis and U-axis

Step 4

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Changing conveyor width to maximum

Step 5

[Width] button Enter maximum conveyor width.

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Cleaning W-axis and U-axis 2

Step 7

Wipe off remaining grease.

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3-54

Periodic maintenance items

Apply grease to ball screw and

hexagon spline.

Apply the specified grease (NSL) with finger

uniformly over the hexagon spline shaft

surface and ball screw surface and groove.

Apply grease to the guide.

Apply grease to the guide with grease gun.

Inject the specified grease (NSL) to the

grease nipple of the guide with a grease

gun (bent type nozzle).

Note that apply grease to 4 grease nipples

of W2-axis and W3-axis front side in Step 14.

NOTE

Apply grease until the new grease oozes from the gap.

NOTE

See "Chapter 5 Lubrication points" for the positions and

quantity of the guide grease nipple.

Applying grease to ball screw and

hexagon spline

Step 8

Grease (Apply uniformly.)

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Applying grease to guide

Step 9

Grease nipple

Grease gun (30°-bent type)

Position of grease nipple

Grease nipple

Linear guide block

Guide

Apply grease in Step 14.

W1W2W3

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3-55

Periodic maintenance items

Change the conveyor width to the

minimum width.

1. Close the machine safety cover and

cancel the emergency stop. Attach the

carriage if the machine is the carriage

type.

2. Press the [Width] button to display the

"Conveyor Width" screen.

3. Enter the minimum value of the conveyor

width "50 mm" in the "Target Width" box

and press the [OK] button. The conveyor

width is changed to the specified width.

Raise the push-up unit.

Raise the push-up unit following Step 3.

Apply grease to rest of ball screw

and hexagon spline.

1. Press the emergency stop button and

then open the machine safety cover.

2. If the machine is carriage type, detach

carriage to access to the conveyor.

3. Apply the specified grease (NSL) with

finger uniformly over the hexagon spline

shaft surface and ball screw surface and

groove where grease could not be

applied in Step 8.

Move the conveyor U axes.

Each U-axis can be moved by moving the

belt in front of W2-axis (U1-axis) and W3-axis

(U2-axis) manually.

Move the belt to the black arrows' directions

in the figure. Then Move the W2-axis (U1-axis)

and W3-axis (U2-axis) about 300 mm to the

white arrows' directions in the figure.

TIP

Move the belt slowly when moving it manually.

Apply grease to rest of guide.

Apply grease to the grease nipples that

grease could not be applied in Step 9.

Inject the specified grease (NSL) to the

grease nipple of the guide with a grease

gun (bent type nozzle).

NOTE

Apply grease until the new grease oozes from the gap.

NOTE

See "Chapter 5 Lubrication points" for the position and

quantity of grease nipples of the guide.

Changing conveyor width to minimum

Step 10

[Width] button Enter “50 mm”.

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W2-axis (U1-axis)W3-axis (U2-axis)

Moving U axes

Step 13

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Applying grease to guide 2

Step 14

Grease nipple

Grease gun (30°-bent type)

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