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Product Information Gripper for small components MPG-plus

Product Information Gripper for small components MPG-plus
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Product Information Gripper for small components MPG-plus

Product catalog summary
Overview: The MPG-plus is a 2-finger parallel gripper designed for handling small to medium-sized components in low contamination environments such as assembly, testing, laboratory, and pharmaceutical industries. It features smooth roller guides and is optimized for long gripper fingers.
Key Features:
  • Cross roller guidance for precise, backlash-free gripping.
  • Base jaws guided on double roller bearings for low friction and smooth operation.
  • Oval piston drive concept for maximum gripping forces.
  • Electronic magnetic switches for enhanced process reliability.
  • Flexible mounting options with four screw directions and hose-free air supply connections.
  • Compact dimensions to minimize interference in handling operations.
  • Food-grade lubrication available for medical, lab automation, pharmaceutical, and food industries.
Technical Specifications:
  • Sizes: 9 variants available.
  • Weight: 0.01 to 0.63 kg.
  • Gripping force: 9 to 370 N.
  • Stroke per jaw: 1 to 10 mm.
  • Workpiece weight: 0.05 to 1.25 kg.
Functional Description: The gripper operates using a wedge-hook kinematics principle, with an oval piston moved by compressed air to produce synchronized, parallel jaw motion. Key components include the base jaw, wedge-hook design, cross roller guidance, sensor system, and housing made from high-strength aluminum alloy.
General Notes:
  • Actuation is pneumatic, requiring filtered compressed air as per ISO 8573-1:2010 [7:4:4].
  • Warranty period is 24 months.
  • Gripping force maintenance is possible with mechanical or pressure maintenance valve options.
  • Repeat accuracy is defined for 100 consecutive strokes.
  • Closing and opening times exclude valve switching, hose fill, or PLC reaction times.
Options and Accessories:
  • Gripping force maintenance versions (AS/IS) ensure minimum force during pressure drops.
  • Optional adapter plates for frontal mounting.
  • Precision version for high accuracy applications.
  • Flexible position sensor (FPS) version for monitoring multiple gripping positions.
  • Protective cover version (HUE) for external protection.
Additional Components: SCHUNK offers complementary products such as rotation units, linear modules, pick & place units, manual change systems, and various sensors and switches to enhance functionality and flexibility.
Gripper Finger Designs: Two alternative designs are presented for coaxial and radial gripping of cylindrical parts. Precision versions are available with specific tolerances, and other variants can be requested.
Adapter Plates: These are optional accessories that include an O-ring for direct air connection, centering sleeves, and screws for mounting. They are compatible with pneumatic actuators.
Pressure Maintenance Valves: The SDV-P valve maintains pressure in emergency situations, ensuring the gripper's functionality. Specific hose diameters are recommended for optimal performance.
Finger Blanks: These allow for customized machining and quick changes, integrating a jaw quick-change system for efficiency.
Modular Assembly Automation: Grippers can be combined with linear modules using standard adapter plates, enhancing flexibility in assembly systems.
Inductive Proximity Switches: These are used for position monitoring, with various connection cables and sensor distributors available for customization.
Technical Specifications: Detailed specifications for MPG-plus models 16, 20, and 25 are provided, including gripping force, dimensions, operating pressure, and environmental conditions. Options for high-temperature and precision versions are also outlined.
Additional Features: The document mentions flexible position sensors, attachment valves, and protective covers, offering further customization and protection for the grippers.
Specifications:
  • Maximum Permitted Finger Projection: Lmax is defined in the technical data table.
  • Gripping Force: The grippers offer both O.D. and I.D. gripping capabilities with specified force limits.
  • Dimensions and Loads: Maximum loads are specified for Mx, My, Mz, and Fz, with static values applicable to each base jaw.
  • Technical Data: Includes stroke per jaw, closing/opening force, weight, fluid consumption, operating pressure, and ambient temperature range.
Procedures:
  • Direct Connection: Utilizes bore-holes in the mounting plate for compressed air supply, eliminating the need for hoses.
  • Gripping Force Maintenance: Ensures minimum clamping force during pressure drops, with options for increasing force or single actuated gripping.
Standards and Recommendations:
  • Protection Cover HUE: Provides full protection against external influences and is available as a spare part.
  • Sensors: Various sensors, including inductive proximity switches and programmable magnetic switches, are available for position monitoring. Specific sensors are required for different monitoring needs.
Key Components:
  • Adapter Plate: Includes an O-ring for direct air connection and is an optional accessory.
  • Pressure Maintenance Valve (SDV-P): Maintains pressure in emergency situations and is recommended with specific hose diameters.
  • Finger Blanks: Allow for customized machining and quick changes with integrated jaw systems.
Additional Features:
  • Modular Assembly Automation: Grippers can be combined with linear modules using standard adapter plates.
  • Attachment Kits: Available for proximity switches, requiring separate ordering.
Critical Information:
  • Operating Conditions: The grippers are designed for specific ambient temperatures and pressures, with repeat accuracy and cleanroom class specifications.
  • Options: High-temperature and precision versions are available, with different protective cover options.
Gripper Connection: The grippers utilize a hose-free direct connection for compressed air supply, facilitated through bore-holes in the mounting plate. This design minimizes the need for external hoses and simplifies the setup.
Gripping Force Maintenance: The grippers are equipped with a mechanical gripping force maintenance device that ensures a minimum clamping force is applied even if there is a drop in pressure. This device can act as a closing or opening force depending on the version (AS/S or IS) and can also be used to increase gripping force.
Jaw Design: The grippers feature vertically and horizontally positioned prisms for reliable gripping with high repeatability. The design supports coaxial and radial gripping of cylindrical parts.
Protection and Sensors: The HUE protection cover safeguards the gripper against external influences. The grippers are prepared for sensor integration, specifically the IN 40 series, for position monitoring. Magnetic sensors are not supported.
Adapter Plate and Pressure Maintenance: An optional adapter plate with an O-ring for direct air connection is available. The SDV-P pressure maintenance valve ensures pressure retention in emergency situations.
Finger Blanks and Attachment Valves: Finger blanks with a quick-change system allow for fast manual changes. Attachment valves reduce air consumption and cycle time by eliminating the need to ventilate supply lines.
Modular Assembly and Sensors: The grippers can be combined with linear modules using standard adapter plates. Various sensor kits are available for position monitoring, including inductive proximity switches and programmable magnetic switches.
Technical Data: The MPG-plus 50 gripper specifications include stroke per jaw, closing/opening force, weight, recommended workpiece weight, operating pressure, and ambient temperature range. The gripper supports both I.D. and O.D. gripping with specified force and moment limits.
Options: High-temperature and precision versions are available, with specific ambient temperature ranges and repeat accuracy.
Specifications:
  • Gripper Models: MPG-plus 50 and MPG-plus 64, each with specific ID numbers and technical parameters.
  • Technical Data: Includes stroke per jaw, closing/opening force, weight, recommended workpiece weight, fluid consumption, operating pressure, and ambient temperature range.
  • Dimensions and Loads: Maximum permissible moments and forces are specified for each base jaw, with details on permissible finger length and mass.
Mechanical Features:
  • Gripping Force Maintenance: AS and IS versions ensure minimum clamping force during pressure drops, acting as closing or opening forces respectively.
  • Hose-Free Direct Connection: Utilizes bore-holes in the mounting plate for compressed air supply, eliminating the need for hoses.
Sensors and Monitoring:
  • Position Sensors: Various sensors like MMS 22-PI2, MMS-A, and MMS-IO-Link are available for position monitoring, with options for programmable magnetic switches and analog sensors.
  • Attachment Kits: Kits for proximity switches and FPS sensors are available, allowing for flexible position monitoring and end position detection.
Accessories:
  • Adapter Plates: Optional plates for direct air connection and mounting, with centering sleeves and screws included.
  • Pressure Maintenance Valve: SDV-P valve maintains pressure in emergency situations, ensuring operational continuity.
  • Finger Blanks: Customizable blanks with quick-change systems for fast finger changes.
Operational Guidelines:
  • Installation: Detailed instructions for sensor and valve integration, including recommended hose diameters and connection methods.
  • Maintenance: Guidelines for maintaining gripping force and ensuring sensor accuracy, with emphasis on using specified accessories and components.
Specifications: The MPG-plus 64 gripper is available in precision versions with specific tolerances. It features a gripping force maintenance device for increased force or single actuated gripping. The jaw design includes vertically and horizontally positioned prisms for reliable gripping with high repeatability.
Adapter Plate: The adapter plate, identified as APL-MPG-plus 64, is an optional accessory that includes an O-ring for direct air connection, centering sleeves, and screws for mounting. It is compatible with pneumatic actuators.
Pressure Maintenance Valve: The SDV-P pressure maintenance valve ensures pressure retention in emergency situations for pneumatic modules. It is available in different variants with recommended hose diameters for optimal performance.
Finger Blanks: Finger blanks with a jaw quick-change system allow for fast and precise finger changes. They are customizable for specific workpiece geometries and are available in aluminum material.
Modular Assembly Automation: The grippers can be combined with standard adapter plates from the modular assembly system, allowing integration with various linear modules.
Sensor Systems: The document details several sensor options for position monitoring, including inductive proximity switches, flexible position sensors, and programmable magnetic switches. These sensors provide multi-position monitoring and are compatible with the gripper's C-slot for easy installation.
Additional Information: The document includes contact information for SCHUNK GmbH & Co. KG, the manufacturer, and notes that further technical data can be found in their catalog.
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Catalog excerpts

Product Information Gripper for small components MPG-plus-1

Product Information Gripper for small components MPG-plus

 Open the catalog to page 1
Product Information Gripper for small components MPG-plus-2

MPG-plus Gripper for small components Powerful. Fast. Long fingers. Gripper for small components MPG-plus 2-finger parallel gripper with smooth roller guides of the base jaws Field of application Gripping and moving of small to medium-sized workpieces in low contaminated environments, such as assembly, testing, laboratory and pharmaceutical industry Advantages – Your benefits Cross roller guidance for precise gripping through due to a scope-free base jaw guidance Base jaws guided on double roller bearings ensuring low friction and smoothly running Optimized basic load rating suitable for using...

 Open the catalog to page 2
Product Information Gripper for small components MPG-plus-3

MPG-plus Gripper for small components Functional description The oval piston is moved up or down by compressed air. The angled active surfaces of the wedge-hook produce a synchronized, parallel jaw motion. Base Jaw for the connection of workpiece-specific gripper fingers Sensor system for monitoring two switching points Wedge-hook design for high force transmission and centric gripping Oval piston drive for power generation Cross roller guidance precise gripping due to backlash-free base jaw guidance Housing is weight-optimized due to the use of high-strength aluminum alloy

 Open the catalog to page 3
Product Information Gripper for small components MPG-plus-4

MPG-plus Gripper for small components General notes about the series Operating principle: Wedge-hook kinematics Housing material: Aluminum alloy, anodized Cover housing material: Steel Base jaw material: Steel Actuation: pneumatic, with filtered compressed air as per ISO 8573-1:2010 [7:4:4]. Warranty: 24 months Scope of delivery: Centering sleeves, O-rings for direct connection, assembly instructions (operating manual with declaration of incorporation is available online) Gripping force maintenance device: possible by using the version with mechanical gripping force maintenance or pressure maintenance...

 Open the catalog to page 4
Product Information Gripper for small components MPG-plus-5

MPG-plus Gripper for small components SCHUNK offers more ... The following components make the product even more productive – the suitable addition for the highest functionality, flexibility, reliability, and controlled production. Rotation unit Linear module Pick & Place Unit Manual change system Attachment valve Pressure maintenance valve Adapter plate Finger blank Flexible position sensor Magnetic switches Inductive proximity switches i For more information on these products can be found on the following product pages or at schunk.com. Options and special information Gripping force maintenance...

 Open the catalog to page 5
Product Information Gripper for small components MPG-plus-6

MPG-plus 10 Gripper for small components Gripping force O.D. gripping Dimensions and maximum loads Gripping force Point P - Finger length Mx max. 0.2 Nm Gripping force I.D. gripping Gripping force Closing/opening force Recommended workpiece weight Fluid consumption double stroke Min./nom./max. operating pressure [bar] Closing/opening time Max. permissible finger length Max. permissible mass per finger Min./max. ambient temperature Repeat accuracy Cleanroom class ISO 14644-1:2015 Dimensions X x Y x Z i The indicated moments and forces are statical values, apply for each base jaw and may appear...

 Open the catalog to page 6
Product Information Gripper for small components MPG-plus-7

MPG-plus 10 Gripper for small components Main view The drawing shows the basic version of the gripper with open jaws, without dimensional consideration of the options described below. i The SDV-P pressure maintenance valve can be used as a gripping force maintenance device (see catalog section on accessories). A, a Main / direct connection, gripper opening B, b Main / direct connection, gripper closing Bosch-Rexroth compressed air hose, TU1-S (Ø 3.0–0.6) series, Order no.: 1820712066 (-67/-68/-69) Gripper connection Finger connection Air connection Depth of the centering sleeve hole in the counter...

 Open the catalog to page 7
Product Information Gripper for small components MPG-plus-8

MPG-plus 10 Gripper for small components Maximum permitted finger projection Permitted range Inadmissible range Lmax is equivalent to the maximum permitted finger length, see the technical data table. Vertically positioned prism SDV-P pressure maintenance valve Horizontally positioned prism A workpiece, which is gripped using three points of contact, can be reliably gripped with high repeatability. A system with more than three points of contact is overdetermined. The drawing shows two alternative gripper finger designs for coaxial and radial gripping of a cylindrical part. SDV-P pressure maintenance...

 Open the catalog to page 8
Product Information Gripper for small components MPG-plus-9

MPG-plus 10 Gripper for small components Inductive proximity switches Directly mounted end position monitoring. Description Often combined Inductive proximity switches IN 30K-S-M8-PNP Connection cables Sensor distributor i Two sensors are required per unit for monitoring two positions. On option, extension cables and sensor distributors are available. Additional product variants of the sensor, and further information and technical data can be found in the catalog chapter sensor syste

 Open the catalog to page 9
Product Information Gripper for small components MPG-plus-10

MPG-plus 12 Gripper for small components Gripping force O.D. gripping Dimensions and maximum loads Gripping force Point P - Finger length Mx max. 0.2 Nm Gripping force I.D. gripping Gripping force Closing/opening force Recommended workpiece weight Fluid consumption double stroke Min./nom./max. operating pressure [bar] Closing/opening time Max. permissible finger length Max. permissible mass per finger Min./max. ambient temperature Repeat accuracy Cleanroom class ISO 14644-1:2015 Dimensions X x Y x Z i The indicated moments and forces are statical values, apply for each base jaw and may appear...

 Open the catalog to page 10
Product Information Gripper for small components MPG-plus-11

MPG-plus 12 Gripper for small components Main view The drawing shows the basic version of the gripper with open jaws, without dimensional consideration of the options described below. i The SDV-P pressure maintenance valve can be used as a gripping force maintenance device (see catalog section on accessories). A, a Main / direct connection, gripper opening B, b Main / direct connection, gripper closing Bosch-Rexroth compressed air hose, TU1-S (Ø 3.0–0.6) series, Order no.: 1820712066 (-67/-68/-69) Gripper connection Finger connection Air connection Depth of the centering sleeve hole in the counter...

 Open the catalog to page 11

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