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MP106E
M-235 Linear Actuators
User Manual
Version: 1.2
Date: 31.08.2020
This document describes the following
high-load precision linear actuators with
recirculating ball screws:
M-235.2DD:
Travel Range 20 mm, DC Direct Drive
M-235.2DG:
Travel Range 20 mm, DC Gear Motor
M-235.5DD:
Travel Range 50 mm, DC Direct Drive
M-235.5DG:
Travel Range 50 mm, DC Gear Motor
Physik Instrumente (PI) GmbH & Co. KG · Auf der Römerstr. 1 76228 Karlsruhe, Germany
Telephon +49 721 4846-0 · Telefax +49 721 4846-1019 · E-Mail info@pi.ws
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Summary of Contents for PI MP106E
- Page 1 Travel Range 50 mm, DC Direct Drive M-235.5DG: Travel Range 50 mm, DC Gear Motor Physik Instrumente (PI) GmbH & Co. KG · Auf der Römerstr. 1 76228 Karlsruhe, Germany Telephon +49 721 4846-0 · Telefax +49 721 4846-1019 · E-Mail info@pi.ws...
- Page 2 With regard thereto, Physik Instrumente (PI) GmbH & Co. KG retains all the rights. Use of said text, photographs and drawings is permitted only in part and only upon citation of the source.
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Page 3: Table Of Contents
Contents About this Document Goal and Target Audience of this Manual ............1 Symbols and Typographic Conventions ............... 1 Other Applicable Documents ................2 Safety Intended Use ......................3 General Safety Instructions .................. 3 2.2.1 Organizational Measures ..............4 2.2.2 Measures for Handling Vacuum-Compatible Products ...... - Page 4 Installing the Actuator in a Mechanical Mounting ..........23 Start-Up General Notes on Start-Up .................27 Starting Up the Actuator ..................29 6.2.1 M-235 Entries in the Stage Database of PI ........30 Maintenance General Notes on Maintenance ................31 Lubricating the M-235 ..................31 Cleaning the M-235 ....................32...
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Page 5: About This Document
Actions to take to avoid the situation. NOTICE Dangerous situation If not avoided, the dangerous situation will result in damage to the equipment. Actions to take to avoid the situation. INFORMATION Information for easier handling, tricks, tips, etc. M-235 Linear Actuators MP106E Version: 1.2... -
Page 6: Other Applicable Documents
For the latest versions of the user manuals contact our customer service department (p. 35). Product Document Linear actuators Short Instructions MP122EK Suiting controller User Manual of the applied controller Version: 1.2 MP106E M-235 Linear Actuators... -
Page 7: Safety
Only use the M-235 for its intended purpose, and only use it if it is in a good working order. Read the user manual. Immediately eliminate any faults and malfunctions that are likely to affect safety. The operator is responsible for the correct installation and operation of the M-235. M-235 Linear Actuators MP106E Version: 1.2... -
Page 8: Organizational Measures
2.2.2 Measures for Handling Vacuum-Compatible Products When handling the vacuum version of the linear actuator, attention must be paid to appropriate cleanliness. At PI, all parts are cleaned before assembly. During assembly and measurement, powder-free gloves are worn. Afterwards, the linear actuator is cleaned once again by wiping and shrink-wrapped twice in vacuum-compatible film. -
Page 9: Safety Measures During Start-Up
Connect a linear actuator with DC motor to a DC motor controller only. Connect a linear actuator with stepper motor to a stepper motor controller only. Faulty motor controllers can cause unintentional motor motion and run the M-235 into the hard stop. M-235 Linear Actuators MP106E Version: 1.2... -
Page 10: Safety Measures During Operation
If the performance of the M-235 is not satisfactory, check the settings for the servo-control parameters of your controller. 2.2.6 Safety Measures during Maintenance The M-235 is precisely aligned. Do not loosen any sealed screw. Version: 1.2 MP106E M-235 Linear Actuators... -
Page 11: Product Description
In this Chapter System Overview ......................8 Features and Applications ..................... 9 Model Overview ......................9 Product View ....................... 11 Scope of Delivery ......................12 Suitable Controllers ..................... 12 Accessories ......................... 12 Technical Features ...................... 12 M-235 Linear Actuators MP106E Version: 1.2... -
Page 12: System Overview
The following figure shows an overview of the total system. Figure 1: Overall system, overview To operate the actuator in your application, the following components are necessary: Component Task Supplied by or available from PI Peripheral control Loads configurations and control PC software (e.g. PIMikroMove) equipment commands to the controller (e.g. -
Page 13: Features And Applications
3 Product Description Component Task Supplied by or available from PI Mechanical structure Ensures among other things the Only mounting nut (for mechanical secure fixation of the actuator and connection) included in the scope of thus a high repeatability. delivery of the actuator. - Page 14 M-235.5DD M-235.5DG .For further technical data, see the specifications (p. 37). PI also produces custom designs upon request. Custom designs can differ from the described standard products in respect to dimensions, characteristics or other technical data. If necessary, contact our customer service department (p. 35) directly.
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Page 15: Product View
Hand wheel for manually moving the pusher inwards and outwards Stepper motor case with panel plug (not visible here) for connecting to the controller End piece, flat Hole with M6 thread, 10 mm deep for integrating the end piece M-235 Linear Actuators MP106E Version: 1.2... -
Page 16: Scope Of Delivery
The M-235 must be connected to a suitable controller (see data table, p.37). The required PC software is included in the scope of delivery of the PI controllers. The operation of the controllers is described in the corresponding user manuals. -
Page 17: Reference Point Switch
0.2 mm to 0.4 mm. See the controller user manual and/or associated software manuals for the commands which make use of the reference point signal. For further details, refer to the "Specifications" section (p. 37). M-235 Linear Actuators MP106E Version: 1.2... - Page 19 INFORMATION When handling the vacuum version of the linear actuator, attention must be paid to appropriate cleanliness. At PI, all parts are cleaned before assembly. During assembly and measurement, powder-free gloves are worn. Afterwards, the linear actuator is cleaned once again by wiping and shrink-wrapped twice in vacuum- compatible film.
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Page 21: Installation
Lateral forces that affect the pusher of the linear actuator increase the friction on the internal drive components. Increased friction impairs the motion of the pusher and increases wear on the drive components. Avoid lateral forces on the tip and on the pusher of the M-235. M-235 Linear Actuators MP106E Version: 1.2... -
Page 22: Changing The Tip
A spherical end piece allows a punctiform connection to a load. To achieve optimum repeatability: Use an end piece. Make sure that the selected end piece is completely screwed in and does not have any backlash. Version: 1.2 MP106E M-235 Linear Actuators... - Page 23 The pusher has been moved out so far that you can easily reach the wrench flat with a open-end wrench. Upon delivery, the pusher has been moved out far enough. Tools and accessories Supplied end piece (p. 12) Two AF 8 open-end wrenches M-235 Linear Actuators MP106E Version: 1.2...
- Page 24 2. Manually unscrew the end piece to be replaced from the pusher of the M-235. If this is not successful, use a second AF 8 open-end wrench. 3. Screw the new tip by hand into the pusher of the M-235. 4. Remove the pusher from the open-end wrench. Version: 1.2 MP106E M-235 Linear Actuators...
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Page 25: Providing A Suitable Mechanical Mounting And Installation Environment
Installation Environment Figure 5: Relevant components and dimensions for installation in the mechanical mounting (schematic) Mounting nut, M20 Mounting shaft with (a) diameter: 20 mm (b) clamping width: 12 mm to 18 mm usable M-235 Linear Actuators MP106E Version: 1.2... - Page 26 If the limit switches of the actuator cannot be reached with the planned minimum and maximum displacements: Make sure that the actuator and the load only move within the planned range. Suitable measures: Version: 1.2 MP106E M-235 Linear Actuators...
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Page 27: Installing The Actuator In A Mechanical Mounting
Tighten the mounting nut to a maximum torque of 1 Nm. INFORMATION To achieve an optimum repeatability, the mounting shaft must not have any backlash. During mounting, make sure that there is a faultless connection between the actuator and the mechanical mounting. M-235 Linear Actuators MP106E Version: 1.2... - Page 28 1. Loosen the mounting nut on the mounting shaft of the actuator. 2. Position the actuator in the mounting of your application. 3. If necessary, stick a suitable flat washer or a suitable spring washer on the mounting shaft. Version: 1.2 MP106E M-235 Linear Actuators...
- Page 29 5. To clamp the actuator in the mounting, tighten the mounting nut using the open-end wrench until you feel a resistance. The torque must not exceed 1 Nm! 6. Check that the actuator is correctly fitted in the mounting. M-235 Linear Actuators MP106E Version: 1.2...
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Page 31: Start-Up
When the limit switches are deactivated, the motion of the pusher is aborted by the hard stop and the M-235 can be damaged. Do not deactivate the limit switches in the software. Test limit switch operation at low velocities only. M-235 Linear Actuators MP106E Version: 1.2... - Page 32 INFORMATION The repeatability of the positioning is only ensured when the reference point switch is always approached from the same side. Motor controllers from PI fulfill this requirement with their automatic direction detection for reference moves to the reference point switch.
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Page 33: Starting Up The Actuator
Suitable controller (p. 12) - motor controller card for PC installation or stand- alone device incl. connection cable to PC. PC software for the controller (for PI controllers: included in their scope of delivery) If necessary, suitable motor (extension/adapter) cable from PI. -
Page 34: M-235 Entries In The Stage Database Of Pi
6 Start-Up Starting up the actuator 1. If you use a motor controller card (e.g. C-843 from PI), make sure that it is properly installed or install it (see the user manual of the motor controller card). 2. If suitable and current PC software for the controller is not on your PC yet, install the PC software (see the user manual of the controller or the software). -
Page 35: Maintenance
Do not lubricate the M-235 without consulting our customer service department (p. 35). To lubricate, follow the instructions given in the maintenance manual which you can obtain from our customer service department. M-235 Linear Actuators MP106E Version: 1.2... -
Page 36: Cleaning The M-235
Do not use any organic solvents. Only when the linear actuator is used in vacuum: Only touch the linear actuator with powder-free gloves. If necessary, wipe the linear actuator clean. Version: 1.2 MP106E M-235 Linear Actuators... -
Page 37: Troubleshooting
1 Nm. Contact our customer service Drive damaged due to torque on pusher department Functional impairment Controller from PI: Controller has been after system modification Load the parameters from the stage replaced database that correspond to the... -
Page 39: Customer Service
9 Customer Service Customer Service For inquiries and orders, contact your PI sales engineer or send us an e-mail (mailto:service@pi.de). If you have questions concerning your system, have the following information ready: Product codes and serial numbers of all products in the system ... -
Page 41: Technical Data
Push/pull force max. Permissible lateral force max. Drive properties Motor type DC gear motor DC motor Operating voltage 0 to ±12 0 to ±12 Motor power nominal Reference and limit switches Hall effect Hall effect M-235 Linear Actuators MP106E Version: 1.2... -
Page 42: Ambient Conditions And Classifications
Decreasing linearly to 50% relative humidity at 40°C Storage temperature 0°C to 80°C Transport temperature 0°C to 80°C Supply fluctuations Not more than ±10% of the nominal voltage Degree of pollution Degree of protection IP40 according to IEC 60529 Version: 1.2 MP106E M-235 Linear Actuators... -
Page 43: Limit Switch Specifications
Direction sensing by means of different signal levels on the left and right side of the reference point switch: The signal level changes from 0 to +5 V when the reference point switch is passed M-235 Linear Actuators MP106E Version: 1.2... -
Page 44: Dimensions
10 Technical Data 10.2 Dimensions 10.2.1 Actuator Dimensions in mm. Note that the decimal places are separated by a comma in the drawings. Figure 8: M-235.xDx and M-235.xVx, dimensions in mm Version: 1.2 MP106E M-235 Linear Actuators... -
Page 45: End Pieces
10 Technical Data 10.2.2 End Pieces Dimensions in mm. Note that the decimal places are separated by a comma in the drawings. Figure 9: Low-profile top piece (left) and spherical end piece (right) M-235 Linear Actuators MP106E Version: 1.2... -
Page 46: Pin Assignment D-Sub 15 (Male) Connector
Output: Limit switch signal, negative side Output: Limit switch signal, positive side Output: Reference point switch signal GND (limit switch and logic) Output: Encoder A (+) Output: Encoder A (-) Output: Encoder B (+) Output: Encoder B (-) Version: 1.2 MP106E M-235 Linear Actuators... -
Page 47: Old Equipment Disposal
Instrumente (PI) GmbH & Co. KG ensures environmentally correct disposal of old PI equipment that was first put into circulation after 13 August 2005, free of charge. If you have old PI equipment, you can send it postage-free to the following address: Physik Instrumente (PI) GmbH & Co. KG Auf der Römerstr. - Page 49 12 EU Declaration of Conformity 12 EU Declaration of Conformity M-235 Linear Actuators MP106E Version: 1.2...
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