Bosch rexroth PSK User manual

R320103170/2022-10
EN
Instruction
Precision Modules PSK

The data specified above only serves to describe the product. No statements concerning acertain condition or suitability for acertain purpose
can be derived from our information. The information given does not release the user from the obligation of own judgment and verification.
Please note that our products are subject to anatural process of wear and aging.
© This document, as well as the data, specifications, and other information set forth in it, are the exclusive property of BoschRexrothAG.
It may not be reproduced or given to third parties without our consent.
The title page contains an illustration of asample configuration. The product as delivered can differ from the illustration.
The original instructions are in German.
Any dissemination of the product must include these mounting instructions and the safety instructions and information for linear motion
systems R320103152.
These instructions are available in the following languages.
DE German (Original document)
EN English
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Contents
1 About these instructions ................................................................................................................................ 4
1.1 Scope and purpose of the documentation .............................................................................................4
1.2 Required documentation........................................................................................................................4
1.3 Presentation of information....................................................................................................................4
2 Safety instructions.......................................................................................................................................... 6
3 Scope of delivery ............................................................................................................................................ 6
3.1 Delivery condition ..................................................................................................................................6
3.2 Accessories ............................................................................................................................................6
4 Product description ........................................................................................................................................ 7
4.1 Features .................................................................................................................................................7
4.2 Product description ..............................................................................................................................7
4.3 Precision Modules overview...................................................................................................................8
4.4 Identification (start-up)..........................................................................................................................8
5 Transport and storage..................................................................................................................................... 9
5.1 Transporting the product .......................................................................................................................9
5.2 Storing the product................................................................................................................................9
6 Assembly....................................................................................................................................................... 10
6.1 Unpacking the product.........................................................................................................................10
6.2 Required accessories ...........................................................................................................................10
6.3 Installation conditions..........................................................................................................................11
6.4 Installation position .............................................................................................................................11
6.5 Attaching Precision Module to adjoining structures .............................................................................12
6.6 Installing the drive ...............................................................................................................................13
6.7 Installing the motor with timing belt side drive....................................................................................16
6.8 Switch mounting ..................................................................................................................................23
6.9 Installing carriage plates on Precision Modules with cover plate ........................................................27
6.10 Installing the cover plate......................................................................................................................28
6.11 Installing the carriage plate on PSKs with sealing strip........................................................................28
6.12 Installing the sealing strip....................................................................................................................29
7 Connecting the Precision Module to power................................................................................................. 30
8 Start-up ......................................................................................................................................................... 31
8.1 Easy start-up using the integrated wizard.............................................................................................31
8.2 Checking operating conditions .............................................................................................................32
8.3 Test run, running in..............................................................................................................................32
9 Operation ...................................................................................................................................................... 33
10 Maintenance and repair................................................................................................................................ 33
11 Lubrication ................................................................................................................................................... 34
11.1 Notes ...................................................................................................................................................34
11.2 Overview of lubrication types...............................................................................................................35
11.3 Lube fittings .........................................................................................................................................35
11.4 Lubricants............................................................................................................................................36
11.5 LSS/LCF/LSC-type lubrication .............................................................................................................36
11.6 LPG-type lubrication ............................................................................................................................38
11.7 Relubrication amounts (for LSS, LPG, LCF, LSC).................................................................................38
11.8 Relubrication intervals (for LSS, LPG, LCF, LSC).................................................................................39
11.9 Repairs.................................................................................................................................................39
12 Removal and replacement ............................................................................................................................ 40
12.1 Removing the drive...............................................................................................................................40
13 Disposal ........................................................................................................................................................ 40
14 Technical data ............................................................................................................................................... 40
15 Operating conditions .................................................................................................................................... 41
15.1 Tightening torques ...............................................................................................................................41
16 Service and support...................................................................................................................................... 41

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1 About these instructions
1.1 Scope and purpose of the documentation
This documentation applies to the following products:
• Precision Modules PSK as described in the “Precision Modules PSK” catalog.
This documentation is intended for assembly/installation personnel, line operators and machinery/plant users.
This documentation contains important information for proper and safe installation, operation, maintenance and
disassembly of the product and for troubleshooting simple errors oneself.
XBefore working with the product, be sure to read these instructions carefully and completely, especially the
section titled “Safety instructions”.
1.2 Required documentation
Documentation which is indicated by the book symbol must be obtained before handling the product and
must be observed:
Table 1: Required documentation
Title Document number Document type
Safety instructions for Linear Motion Systems R320103152 Safety instructions
Precision Modules PSK R999000500 Catalog
IndraDrive C for Linear Motion Systems R310 2730 Catalog
IndraDrive Cs for Linear Motion Systems R310 2735 Catalog
Safety data sheet for Dynalub 510 R320103160
Product data sheet for Dynalub 510 R310 2052
The Rexroth documentation is available for download at www.boschrexroth.com/mediadirectory.
1.3 Presentation of information
To enable users to work rapidly and safely with the product while following these instructions, this
documentation uses standardized safety instructions, symbols, terms and definitions, and abbreviations. These
are explained in the following sections.
1.3.1 Safety instructions in this manual
This manual contains safety instructions preceding any actions that involve a risk of personal injury or damage
to property. The safety precautions described must be adhered to.

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Safety instructions are structured as follows:
SIGNAL WORD
Type of hazard.
Consequences if ignored.
fPrecautions to avoid hazard.
• Warning sign: draws attention to the hazard
• Signal word: indicates the degree of hazard
• Type of hazard: indicates the type or source of the hazard
• Consequences: describes the consequences that may occur if precautions to avoid the hazard are not taken
• Precautions: indicates how the hazard can be avoided
The safety instructions cover the following hazard levels. The hazard level describes the risks involved if the
safety instruction is not complied with.
Table 2: Hazard levels per ANSI Z535.6 - 2011
Warning sign, signal word Meaning
DANGER Indicates an hazardous situation which will result in death or serious injury if not avoided.
WARNING Indicates a hazardous situation which may result in death or serious injury if not avoided.
CAUTION Indicates a hazardous situation which may result in minor or moderate injury if not avoided.
NOTICE Property damage The product or surroundings may be damaged
1.3.2 Symbols
The following symbols indicate information that is not related to safety but makes the documentation easier to
understand.
Table 3: Meaning of the symbols
Symbol Meaning
If this information is not observed, the product will not be optimally used/operated.
▶ Single, independent work step
1.
2.
3.
Numbered work steps
The numbers indicate the sequence of the work steps.
!7See section 7
!Fig. 7.1 See Figure 7.1
Screw with strength class...
uTightening torque
mFriction factor for screws
1.3.3 Abbreviations
The following abbreviations are used in this documentation:
Table 4: Abbreviations and definitions
Abbreviation Meaning
PSK Precision Modules
BASA BAll Screw Assembly

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2 Safety instructions
The general safety instructions for this product can be found in the documentation “Safety instructions for
Linear Motion Systems”. You must have read and understood these before handling the product.
3 Scope of delivery
The following is included in delivery:
• Precision Module
• Drive (with motor and mount, or motor and timing belt side drive installed) if ordered
• Switch if ordered
• Final inspection certificate
XUpon receipt of the delivery, immediately check for completeness against the receipt and notify the carrier or
Bosch Rexroth Corporation if any parts are missing.
3.1 Delivery condition
• Depending on the order, fully assembled with drive.
• Precision Modules come lubricated or preserved, depending on the order.
3.2 Accessories
The following accessories are available:
• Mounting accessories
• Switch
• Motor attachment
Dimensions and part numbers of the accessories as well as additional mounting accessories !see catalog.

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4 Product description
4.1 Features
Precision Modules are precise, ready-to-install Linear Motion Systems that feature high performance in a
compact size and can be delivered quickly at an affordable price.
4.2 Product description
1
2
3
5
8
9
30
23
24
27
26
27
Fig. 1: Parts of the Precision Module (with drive)
A Precision Module has the following parts:
1Frame 23 Mounting channel
2Motor 24 Switching tab
3Mount (integrated or attached) 26 Cover plate
5Timing belt side drive 27 Carriage
8Carriage (driven) 28 Sealing strip
9Carriage (undriven) 30 Switch
Second carriage
• The two carriages are not connected.
• Only the carriage on the drive side is driven.
• The attachment determines the distance LW.
• Observe LW min !catalog.
28

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4.3 Precision Modules overview
Precision Modules are available in three sizes ! catalog.
The name plate of the product contains the following information:
Table 5: Information on name plate
Name plate information Meaning
MNR Part number
SYN Serial number
FD Date of manufacture
CS Customer order number
Manufactoring location
4.4 Identification (start-up)
Bosch Rexroth AG
D-97419 Schweinfurt
Made in Germany
7210
CNR: R12345678
TYP: PSK-090-NN-2
CS: 9876543210 0030 0001 FD:5129
s
max
(mm) u (mm/U) v
max
(m/s) a
max
(m/s
2
) M1
max
(Nm) d i
-- -- -- -- -- -- --
MNR: R123456789
Fig. 2: Name plate
The name plate contains additional technical data for start-up. With these parameters and the EasyWizard
software, starting up the drives of Linear Motion Systems becomes easier, faster, and more effective than ever
before !8

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5 Transport and storage
5.1 Transporting the product
Precision Modules come ready to install.
WARNING
Risk of product falling due to inadequate load handling equipment.
Death or serious injury.
fUse only inspected and suitable load handling equipment.
fAttach load handling equipment only to the frame or at the designated points.
fDo not stand under suspended loads.
NOTICE
Risk of damage to motor connection through vibration.
Motor breaks off.
fWhen transporting the product with motor attached, always provide support for the motor, or
fRemove the motor prior to transport
1. Before hoisting the product, note the weight !see catalog.
2. Hoist the product as shown in the figure.
Fig. 3: Hoisting the product
5.2 Storing the product
NOTICE
Risk of damage due to improper storage.
Potential corrosion of product parts.
fStore the product only in dry, covered areas.
fProtect the product from humidity and corrosive agents.

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6 Assembly
For dimensions and part numbers of the individual components !catalog.
WARNING
Risk of product falling due to inadequate load handling equipment.
Death or serious injury.
fUse only inspected and suitable load handling equipment.
fAttach load handling equipment only to the frame or at the designated points.
fDo not stand under suspended loads.
Risk of product falling if installed vertically or suspended due to lack of fall protection.
Death or serious injury.
fSecure the product against falling.
fDo not stand under the product in the hazard zone.
XBefore hoisting the product, note the weight !catalog.
6.1 Unpacking the product
1. Before hoisting the product, note the weight !catalog.
2. Take the product out of the packaging and remove the packaging material.
3. Dispose of the packaging material according to the local regulations in your country.
6.2 Required accessories
XUse suitable screws for fastening.

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6.3 Installation conditions
XNote operating conditions !15 and catalog.
XFor special operating conditions, please contact us.
NOTICE
Risk of damage due to improper loads.
Damage to the product.
fDo not attach any projecting loads.
6.4 Installation position
The Precision Module can generally be installed in any position.
WARNING
Risk of carriage falling if installed vertically or at an angle due to lack of fall protection.
Death or serious injury.
fIf the Precision Module is installed vertically or at an angle, secure carriage against falling.
Fig. 4: Securing carriage for vertical installation

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6.5 Attaching Precision Module to adjoining structures
NOTICE
Risk of product loosening or warping due to improper mounting.
Damage to the product.
fBe sure to use enough supports for the system dynamics at work.
Risk of frame bending.
Damage to the product.
fSupport the frame along its entire length (A)
fDo not support the Precision Module at the end blocks (B)
fRemove the cover plate or sealing strip, if present !6.10 or 6.12.
fUse reference edges (29).
fFasten the product to the specified tightening torque.
fIf necessary, install cover plate or sealing strip !6.10 or 6.12.
fWhen mounting to the frame, keep a minimum distance of 5 mm from the end blocks.
A B
29
Fig. 5: Mounting

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6.6 Installing the drive
NOTICE
Risk of excessive torque and rotary speed if limits are not observed.
Damage to the product.
fObserve the specified limits.
For technical data and limits !see catalog.
Drive types:
• Mount (3) and coupling (4) with motor (2)
• Integrated mount (3.1) and coupling (4) with motor (2)
• Timing belt side drive (5) with motor (2)
2
5
3.1
3
4
2
2
4
1
1
1
Fig. 6: Drive types

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6.6.1 Installing the motor with mount and coupling
WARNING
Risk of electric shock due to contact with live parts.
Death or serious injury.
fBefore working on the electrical equipment, switch off the power supply and secure it against reactivation.
NOTICE
Risk of excessive torque and rotary speed if limits are not observed.
Damage to the product.
fObserve the specified limits.
Risk of screws loosening due to improper installation.
Damage to the product.
fSecure uncoated screws with threadlocking adhesive.
Observe specified tightening torque.
Run initial cycles at reduced speed to test the function of the limit switches and to optimize the
interaction between the mechanical equipment and the electronics.
1. Attached mount (3): Insert the mount (3) into the pilot (6.1) of the end block (6) and fasten with four screws
to the specified tightening torque.
2. Insert coupling (4) onto the drive journal of the motor (2).
3. Set clearance Aper the table.
4. Tighten the fastening screw (7) in the coupling on the side facing the motor to the tightening torque specified
under “Coupling tightening torques”.
5. Insert motor (2) with coupling into the attached/integrated mount (3) on the screw journal of the product
(1) and fasten with four screws to the specified tightening torque.
6. Tighten fastening screw (7) in the coupling on the side facing the product (1) to the tightening torque specified
under “Coupling tightening torques
” .
7. If necessary, release the motor brake and move the carriage (8) so the screw journal turns.

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Fig. 7: Installing the motor with mount and coupling
13
56 7
4
3
6
6.1
1
4
2
7
A
7
8
1
2
3
1
Coupling tightening torques
8.8 M2.5 M3 M4
MA (Nm) 1.0 1.7 4.0
Dimension table
PSK Motor A ±0.1 (mm)
-050 MSM 019B 11.0
MSM 031B 5.0
MS2N 03-B 5.0
-060 MSM 019B 10.0
MSM 031B 5.5
MS2N 03-B 5.0
-090 MSM 031C 6.0
MSM 041B 13.0
MS2N 03 5.0
MS2N 04 10.5

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6.7 Installing the motor with timing belt side drive
The timing belt side drive can be attached on any side in four directions.
Fig. 8: Options for installing the timing belt side drive
CAUTION
Risk of excessive torque and rotary speed if limits are not observed.
Damage to the product.
fObserve the specified limits.
Risk of screws loosening due to improper installation.
Damage to the product.
fSecure uncoated screws with threadlocking adhesive.
Risk of insufficient lubrication due to use of improper lubricants.
Damage to the product.
fDo not use lubricant with MoS2additives!
Observe specified tightening torque.
1. Fasten the housing of the timing belt side drive (5) onto the product (1) and tighten to the specified
tightening torque.
6.7.1 Installing the first belt pulley
1. Lightly lubricate the tensioning unit (12), then insert it into the belt pulley (11) as far as it will go.
2. Push the belt pulley (11) and tensioning unit (12) with the toothed belt (13) onto the screw journal of the
product (1).
3. Set clearance Afrom the housing.
4. Thread the screws (14) into the tensioning unit and tighten slightly.
5. Tighten the screws evenly in a criss-cross pattern in several stages to the tightening torque under
“Tensioning unit tightening torques”.
S180 S270S090S000

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Fig. 9: Installing the first belt pulley
1 3
5 6
Belt pulley clearance (A)
PSK Motor A ±0.1 (mm)
-050 MSM019B 5.0
-060 MSM019B 5.0
MSM031B 7.0
MS2N03-B 7.0
-090 MSM031C 7.0
MSM041B 8.0
MS2N03 7.0
MS2N04 8.0
Tensioning unit tightening torques
8.8 M2.5 M3 M4 M5
MA (Nm) 1.2 2.1 4.9 9.7
A
13
1
5
11
12
14
4

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6.7.2 Installing the support bearing
1. Push the first retaining ring (16) onto the journal of the tensioning unit to act as a stop.
2. Push the bearing (15) manually onto the journal of the tensioning unit and secure it with the second
retaining ring (17).
3. Carefully push the bearing flange (18) onto the bearing and screw to the housing to the specified tightening
torque.
Observe specified tightening torque.
Tightening torques
8.8 M3 M4 M5
MA (Nm) 1.3 2.7 5.5
17
15
16
18
17
15
16
18
3
Fig. 10: Installing the support bearing
6.7.3 Installing second belt pulley and motor for i = 1
Pre-installing the motor
1. Pre-install the motor (2) with the two motor mounting strips (20) as close as possible to the product (1)
with the screw (19) so the belt pulley on the motor (11) can be inserted easily.
Installing the belt pulley:
2. Lightly lubricate the tensioning unit (12).
3. Insert belt pulley (11) and tensioning unit (12) onto the journal of the motor (2), then thread the belt on.
4. Set clearance Bfrom the housing.
5. Install the tensioning unit. !6.7.1.

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Tensioning the toothed belt:
We recommend a low pretension for the toothed belt.
NOTICE
Excessive belt pulley pretensioning can cause the toothed belt to break at the product or the motor.
Damage to the product.
fObserve maximum limits.
6. Loosen the motor mounting screws.
7. Screw suitable screws (32) into the pretensioning thread in motor mounting strips (20).
8. Set belt frequency with a force Fto the frequency listed in Table 6 using a frequency meter (R913057897).
See also inside of housing for belt frequency. Tighten the mounting screws (19) to the specified tightening
torque.
Observe specified tightening torque.
Belt pulley clearance (B)
PSK Motor B ±0.1 (mm)
-050 MSM019B 5.0
-060 MSM019B 5.0
MSM031B 7.0
MS2N03-B 7.0
-090 MSM031C 9.0
MSM041B 8.0
MS2N03 7.0
MS2N04 7.0
18
Tightening torques
8.8 M4 M5 M6 M8
MA (Nm) 2.7 5.5 9.5 23
B
1
2
20
11
12 19
4
32
20
F
F
Fig. 11: Installing second belt pulley and motor i = 1

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6.7.4 Installing second belt pulley and motor for i = 1.5
Installing the belt pulley:
1. Lightly lubricate the tensioning unit (12).
2. Insert belt pulley (11) and tensioning unit (12) or just the belt pulley onto the journal of the motor (2), then
thread the belt on.
Pre-installing the motor:
3. Pre-install the motor (2) with the two motor mounting strips (20) as close as possible to the product (1)
with the screw (19) so the belt pulley on the motor (11) can be inserted easily.
4. Set clearance Cfrom the housing.
5. Install tensioning unit (!6.7.1) or install belt pulley with set screw (21).
Tensioning the toothed belt:
We recommend a low pretension for the toothed belt.
NOTICE
Excessive belt pulley pretensioning can cause the toothed belt to break at the product or the motor.
Damage to the product.
fObserve maximum limits.
6. Loosen the motor mounting screws.
7. Screw suitable screws (32) into the pretensioning thread in motor mounting strips (20).
8. Set belt frequency with a force Fto the frequency listed in Table 6 using a frequency meter (R913057897).
See also inside of housing for belt frequency. Tighten the mounting screws (19) to the specified tightening
torque.
Table 6: Belt frequency
PSK Motor i Frequency (Hz)
BASA d0x p (mm)
8x1 8x2 8x2.5/8x5 12x2 12x5 12x10 16x5 16x10 16x16
-050 MSM019B 1 135 208 224 – – – – – –
1.5 135 208 224 – – – – – –
-060 MSM019B 1 – – – 253 327 327 – – –
1.5 – – – 253 327 327 – – –
MSM031B 1 – – – 178 318 332 – – –
1.5 – – – 185 330 345 – – –
MS2N03-B 1 – – – 178 318 332 – – –
1.5 – – – 185 330 345 – – –
-090 MSM031C 1 – – – – – – 270 270 270
1.5 – – – – – – 243 243 243
MSM041B 1 – – – – – – 144 168 176
1.5 – – – – – – 144 168 176
MS2N03-D 1 – – – – – – 270 270 270
MS2N03-B 1.5 – – – – – – 243 243 243
MS2N04 1 – – – – – – 144 168 176
1.5 – – – – – – 144 168 176
Table 7: Belt frequency tolerances
Frequency (Hz) Tolerance (Hz)
≤ 100 ± 3
> 100 ≤ 200 ± 5
> 200 ≤ 300 ± 7
> 300 ± 10