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Maintenance

30

2022-09-01

FM 239 MuW Beta Type Z Rev.01

distributed by

10.2 Replacing the timing belt



To preserve the optimum running of the linear unit and prevent it
from being damaged during operation, take care that no foreign
bodies penetrate the base profile or other linear unit components
during installation and assembly.



Do not damage the standard parts (screws, pins, etc.) or the cover
band and its elements; they will be re-used.

Risk of damage due to lack of lubrication!
Do not lose or damage the O-rings fitted on the lubricating apertures,
otherwise component lubrication will not be guaranteed.

Ke

y

1

Driven bearing casing

8

Non-driven bearing casing

2

Timing belt

9

Driver

3

Clamp fitting

10

Base profile

4

Cover band

11

Drive shaft

5

Carriage

12

Timing belt holder plate

6

Lift roller

13

Timing belt holder

7

Lubricating nipple

14

Clamping screws

Figure 11: Exposing and replacing the timing belt

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Содержание Beta 100-D-ZSA

Страница 1: ...Greiftechnik Bahnhofstr 106 134 74348 Lauffen Neckar Germany Tel 49 7133 103 0 Fax 49 7133 103 2399 info de schunk com www schunk com distributed by Original Assembly and Maintenance Manual Linear Unit Types Beta 60 ZSS Beta 70 C ZRS ZSS Beta 80 ZRS ZSS Beta 80 C ZRS ZSS Beta 100 ZRS ZSS Beta 100 D ZSS ZSA Beta 110 ZRS ZSS Beta 120 ZRS ZSS Beta 120 C ZSS Beta 140 ZRS ZSS Beta 140 C ZSS Beta 165 ZS...

Страница 2: ......

Страница 3: ...a Standard model 8 4 Product description 14 5 Transportation and storage 17 6 Installation and adjustment 18 6 1 Installing the linear unit by mounting rails 18 6 2 Screwing the linear unit into place from below 19 6 3 Setting maximum travel 19 6 3 1 Setting the positions of the inductive limit switches 20 6 3 2 Setting the positions of the mechanical limit switches 21 6 4 Mounting a drive unit 22...

Страница 4: ...elt drive Beta 60 ZSS Beta 70 C ZRS ZSS Beta 80 ZRS ZSS Beta 80 C ZRS ZSS Beta 100 ZRS ZSS Beta 100 D ZSS Beta 100 D ZSA Beta 110 ZRS ZSS Beta 120 ZRS ZSS Beta 120 C ZSS Beta 140 ZRS ZSS Beta 140 C ZSS Beta 165 ZSS Beta 180 ZSS Beta 180 C ZSS The drawings show the Beta 60 ZSS type and serve as examples for all other types though some of the details may differ ...

Страница 5: ... serious injury Indicates minor risk Failure to observe this notice may result in light to moderate injury or damage to property Note Indicates tips on use of the machine and optimising its efficiency 1 2 Regulation use The mechanical linear unit is intended for installation in machines and is used solely for manipulating positioning transporting palletising loading unloading clamping clocking ten...

Страница 6: ...ical data The operating manual for the line into which it is installed 1 4 Use in clean rooms ISO 14644 The linear units used in clean rooms are fitted with a vent hole generally G1 2 at the basic profile The following guidelines must be observed The linear unit must be subjected to a negative pressure of 0 2 bar The linear unit must be relubricated with a grease suitable for use in clean rooms ba...

Страница 7: ...ised European standards or corresponding national standards Machinery Directive 2006 42 EC DIN EN ISO 12 100 2011 03 Safety of Machinery General Design Guidelines Risk Assessment and Reduction DIN EN ISO 13850 2008 09 Safety of machinery emergency stop devices DIN EN 60 204 1 2006 Electrical equipment for industrial machines 2004 108 EC EMC Directive EMVG German law relating to the electromagnetic...

Страница 8: ...ty devices must never be dismantled or disabled When fitting special attachments to the unit follow the fitting instructions provided by the manufacturers 1 8 Requirements for personnel The linear unit has been designed and built in accordance with the state of the art and accepted safety standards Hazards may nevertheless be posed when operating it Consequently the unit may only be installed and ...

Страница 9: ...rior to putting it into operation after carrying out repairs and after malfunctions have occurred Legibility and maintenance of affixed notices and labels The operating company must ensure that all notices and labels attached to the unit are fully legible in particular details of the serial number and must ensure compliance with all instructions contained on them Damaged or illegible notices and l...

Страница 10: ... 08 0 08 0 08 Operating temperature C continuous operation 0 80 0 80 0 80 0 80 0 80 0 80 0 80 0 80 0 80 0 80 Geometrical moment of inertia IY mm4 400064 583502 563227 1274608 1330612 1304382 1374486 1784876 917778 Geometrical moment of inertia IZ mm4 522090 852344 852687 1706029 1694165 1760119 1772461 3588262 2328902 Length of standard carriage mm 190 190 190 210 210 210 210 280 280 210 Length of...

Страница 11: ...ing temperature C continuous operation 0 80 0 80 0 80 0 80 0 80 0 80 0 80 0 80 0 80 Geometrical moment of inertia IY mm4 917778 4999522 4940967 3093457 7115871 3160259 3117373 Geometrical moment of inertia IZ mm4 2328902 6042239 5979329 7081517 8943087 9121665 9047121 Length of standard carriage mm 172 320 320 320 320 320 320 320 320 Length of long carriage mm 500 500 500 500 500 500 500 500 Weigh...

Страница 12: ...peat accuracy mm 0 08 0 08 0 08 Operating temperature C continuous operation 0 80 0 80 0 80 Geometrical moment of inertia IY mm4 21411115 9351064 Geometrical moment of inertia IZ mm4 25986463 24300412 Length of standard carriage mm 400 380 380 Length of long carriage mm 600 600 600 Weight without travel kg 42 40 37 70 39 70 Weight per 100 mm travel kg 3 50 2 40 2 60 Weight of standard carriage kg ...

Страница 13: ...000 350 750 750 5 00 Beta 110 ZRS 4000 2000 5000 2500 300 600 450 3 50 Beta 110 ZSS 4000 3000 8000 4000 400 800 600 3 50 Beta 120 ZRS 4000 2500 5000 3000 350 700 700 3 50 Beta 120 ZSS 4000 3000 8000 4000 400 800 600 3 50 Beta 120 C ZSS 4800 4000 12000 6000 600 1500 1000 3 50 Beta 140 ZRS 4000 2500 5000 3000 350 700 700 4 50 Beta 140 ZSS 4000 2500 6000 4000 500 1000 1000 4 50 Beta 140 C ZSS 4000 32...

Страница 14: ... 17700 23400 885 1500 985 890 198 398 Beta 180 ZSS 20 2 4 49448 51800 2472 3350 172 392 84 Beta 180 C ZSS 25 2 4 17700 23400 885 1500 272 492 84 Figures in relate to the long carriage The load rating and pre tension figures relate to the standard linear guidance system with recirculating linear ball bearings Rex Rexroth Static and dynamic load ratings of roller guides Beta linear unit Model Size m...

Страница 15: ... 8 8 2 7 5 4 9 0 22 0 43 0 74 0 DIN912 ISO4762 10 9 3 0 5 7 9 0 22 0 43 0 74 0 DIN912 ISO4762 12 9 3 0 5 7 9 0 22 0 43 0 74 0 Tightening torques Nm for clutch with clamping hub Size 14 19 24 28 38 Clutch diameter mm 30 40 55 65 80 Screw size M3 M6 M6 M8 M8 Tightening torque Nm 1 34 10 50 10 50 25 00 25 00 Tightening torques Nm for clutch with clamping ring hub Size 14 19 24 28 38 Clutch diameter m...

Страница 16: ...pe Z Rev 01 distributed by 4 Product description Linear unit with timing belt drive Key 1 Bearing casing 4 Cover band 2 Carriage 5 Base profile 3 Lubricating nipple 6 Driver Figure 1 Component assemblies of the Beta 60 linear unit with timing belt drive ...

Страница 17: ... move loads quickly safely and precisely from one position to another It consists of an aluminium base profile a moving carriage supported by a guide element recirculating ball bearing or roller bearing guidance system and a drive element screw or timing belt drive Depending on its design the carriage is able to absorb forces and moments in all directions and is positively connected to the guidanc...

Страница 18: ...ductive or mechanical limit switches and other fittings see section 6 3 The effective range can be flexibly configured Multiple linear units of the Alpha Beta or Delta type can be arranged two dimensionally 2 axes or three dimensionally 3 axes Driven linear units can be connected to non driven units of the same type by a plate to be able to take large area loads for example ...

Страница 19: ... in impairment of its functions Risk of damage by heavy jolting or bending Transport the assembled linear unit only with the transit protection fitted To prevent damage during transportation and storage protect the linear unit against shaking and sliding as follows Stow it in a box of sufficient size Use packing Section 3 lists the unit weights Protect the unit against dirt corrosion water and agg...

Страница 20: ...n a flat surface Unit parallelism 0 2 mm 1 000 mm Mounting by the rails with tapped holes in them is the preferable solution for highly dynamic applications where the linear unit has only two attachment points 6 1 Installing the linear unit by mounting rails Figure 3 Mounting rails 1 The recommended maximum spacing between the mounting rails is 700 mm Procedure 1 Attach the mounting rails 1 loosel...

Страница 21: ... sliding blocks 1 tapped hole rails 3 Tighten the linear unit for tightening torques see section 3 6 3 Setting maximum travel Serious injury may result if the transport carriers topple over If the carriage moves to its full extent beyond the safety zone the transport carrier mounted on it may break away or topple over The linear unit may be destroyed During setup observe the specified safety zone ...

Страница 22: ...imit switch 2 Switching cam 3 Band marking safety zone Figure 5 Inductive limit switches The limit switches must switch so that the carriage comes to a stop immediately before the safety zone The safety zone is factory marked on the unit by a band 3 Procedure 1 Connect the power to the limit switches 2 Slacken the limit switch fixing screws 3 Run the carriage as far as the braking position 4 Move ...

Страница 23: ...switches is possible External shock absorbers must be fitted to protect against mechanical destruction The necessary braking distance Δ B depends on the velocity and deceleration of the carriage The braking distance must be between the switching point of the limit switch and the actual mechanical end position figure 5 Key 1 Mechanical limit switches 2 Switching cam 3 Band marking safety zone 4 Bra...

Страница 24: ... the limit switch Move the carriage manually and observe the switching operation If the braking distance is too short repeat the set up 6 4 Mounting a drive unit Make sure the direction of rotation of the external drive unit takes into account the direction of the spindle or timing belt so that the limit switches work correctly Key 1 Safety zone 3 Carriage with positive and negative directions fro...

Страница 25: ... account the safety limit switches figure 6 Alter the direction of the motor as necessary 3 If the clutch diameter is less than the measure D on the motor housing 4 first mount clutch half 1 1 hole flush with drive shaft and then the motor housing 4 figure 7 If the clutch diameter is greater than the measure D on the motor housing 4 first mount the motor housing 4 and then the clutch half 1 1 hole...

Страница 26: ...ered by installing effective safety mechanisms that comply with the current standards and are state of the art These are not supplied with the linear unit and must be installed by the manufacturer of the overall installation Use of the deflection belt drive without the protective hood supplied is not permitted Only qualified electricians may carry out the electrical installation and check the dire...

Страница 27: ...r unit only within the permissible temperature range of 0 80 C If the linear unit is operated in moist abrasive medium foreign bodies may penetrate it To prevent that the operating company must take appropriate measures to prevent intrusion of foreign bodies such as by installing deflectors baffle plates or air barriers Duty of inspection The proper functioning of the linear unit must be checked p...

Страница 28: ...of personal injury or damage to other system components caused by falling system components Only authorised specialist personnel may disassemble the linear unit 1 Cut the power to the machine line 2 Dismantle the drive from the linear unit 3 Detach the linear unit from the machine line ...

Страница 29: ...ar unit on a regular basis The timing belt is maintenance free If the timing belt rips or is stretched beyond its elastic range replace it 10 1 Lubrication Influencing factors The following factors are key to determining the exact lubrication intervals required Loading Velocity Motion Operating temperature Degree of dirtying Short lubrication intervals Short lubrication intervals are necessary whe...

Страница 30: ...on the model of linear unit The categories of lubrication point are identified by the markings S F on the unit There is a separate lubrication schedule for each lubrication point category Lubrication point category Lubrication for Lubricant S Spindle Grease F Guide elements Grease Lubrication method Lubrication should as far as possible take place while the unit is running so that the grease is di...

Страница 31: ...ll chain approx 1 2 30 with ball chain approx 1 5 35 with ball chain approx 1 7 15 without ball chain approx 2 000 km approx 0 8 20 without ball chain approx 1 4 25 L without ball chain approx 2 8 30 without ball chain approx 4 4 35 without ball chain approx 4 4 Or at least 2 x per year The lubrication interval depends on the ambient temperatures and on the loading see figure 11 Relubrication in m...

Страница 32: ...dard parts screws pins etc or the cover band and its elements they will be re used Risk of damage due to lack of lubrication Do not lose or damage the O rings fitted on the lubricating apertures otherwise component lubrication will not be guaranteed Key 1 Driven bearing casing 8 Non driven bearing casing 2 Timing belt 9 Driver 3 Clamp fitting 10 Base profile 4 Cover band 11 Drive shaft 5 Carriage ...

Страница 33: ...te the carriage It must be refitted in the same position 4 Unscrew the cover band clamp fittings 5 Carefully lift the cover band over the timing belt out of its guideway and remove it 6 Loosen the clamping screws and pull the two timing belt holders out of the driver Do not lose the spacers if fitted 7 Unscrew the non driven bearing casing 8 With single part timing belt holders Unscrew the counter...

Страница 34: ...the timing belt are provided along with the replacement belt Tension the timing belt so that the specified Hz figure is indicated 21 Insert the cover band over the timing belt with its broader side with the chamfered cutting edge facing downwards and fix it at one end by the clamp fitting 22 Carefully press the cover band into its guideway along its entire length until it audibly snaps into place ...

Страница 35: ...ming belt To ensure the cover band engages safely in its guideway slowly move the carriage along its entire travel distance by hand 28 Fit the lubricating nipples On Beta 60 to 80 Insert the screw fit lubricating nipples On Beta 60 to 80 Fit the lubricating adapters and then the conical lubricating nipples or the external lubrication ports On Beta 100 to Beta 180 Fit the lubricating adapter and th...

Страница 36: ...r other linear unit components during installation and assembly Do not damage the standard parts screws pins etc or the dismantled components they will be refitted If cover bands are worn also replace the band guide elements If cover bands are damaged check the band guide elements for wear and replace them only as necessary Key 1 Carriage 2 Clamp fitting 3 Cover band 4 Lubricating nipple Figure 12...

Страница 37: ...ge It must be refitted in the same position Do not lose the O rings fitted on the lubricating apertures on the inside of the carriage 3 Detach the clamp fittings from the ends of the cover band and remove the cover band 4 Check the band guide elements such as the press rollers a lifting rollers b and locating pins for wear If the cover band is worn be sure also to replace the band guide elements W...

Страница 38: ...osition 9 To check that the carriage is correctly installed run it slowly from one end of the linear unit to the other ensuring the cover band is held all the time in its guideway 10 Fit the lubricating nipples On Beta 60 to 80 Insert the screw fit lubricating nipples On Beta 60 to 80 Fit the lubricating adapters and then the conical lubricating nipples or the external lubrication ports On Beta 10...

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