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PHD, Inc.
Pneumatic Workholding Clamps

Pneumatic Workholding Clamps

Product catalog summary

Overview: The document outlines the specifications and features of the GRM0 Pneumatic Workholding Clamps, emphasizing their high force capability in a compact and lightweight design. These clamps can generate up to 135 lb (600 N) of force and lock in the closed position.

Key Features:

Compact and lightweight, weighing under 0.54 lb (0.24 kg).
Simple design for durability and easy maintenance.
Locks in closed position for part retention if air pressure is lost.
Ideal for applications where size and weight are critical, such as robotic crossbar transfer press applications.
Rugged alternative to vacuum cups or magnetic-type grippers.

Design and Construction:

Hardened steel jaws and pivot pin for wear protection.
Fluoroelastomer rod seal with wiper to prevent contaminants.
Self-locking internal threads eliminate additional locking components.
Pressure and wear compensating long-life Nitrile piston seals.

Mounting and Configuration:

Includes -B11 Side Mount Body option for flexible mounting.
Various mounting options including rear mounting threads and spherical mounting brackets.
Available in both imperial and metric units.

Technical Specifications:

Unit weight: 0.54 lb (0.24 kg).
Total grip force at 87 psi (6 bar): 135 lb (600 N).
Cycle time at 87 psi (6 bar): 0.15 seconds.
Pressure limits: 30 psi (2 bar) to 100 psi (7 bar).
Temperature limits: -20°F (-30°C) to 180°F (82°C).

Options and Accessories:

High temperature seal option (V4) for temperatures up to 392°F (200°C).
Various tip options for different applications, including single diamond and urethane pads.
Panel present detection option for part presence verification.

Ordering Information: Detailed ordering codes and configurations are provided for customizing the clamps, including jaw styles, mounting options, and accessory tips.

Kit Description and Components:

Kit Number: GRM0
Seal Kit: 91449-01
Jaw Rebuild Kit: 91447-01
Fastener Kit: 91450
Impact Plate Kit: 91451

Key Part Descriptions and Numbers:

Body Assembly: 87052-007-12
Piston: 87056-001
Shock Pad: 54600-02
Bore Plug: 61465
Retaining Ring: 57618-022
Impact Plate: 87060-001
Piston Rod/Jaw Driver: 87057-001
Roller Bushing: 87059-001
Slider Bushing: 87058-001
Dowel Pin (4 x 28): 17831-081
Dowel Pin (5 x 28): 17831-049
Jaw (S) 0°: 87055-006-000
Jaw (S) 45°: 87055-006-450
Jaw (S) 68°: 87055-006-680
Jaw (F) 0°: 87055-003-000
Jaw (F) 60°: 87055-007-600
LHCS (M4 x 6): 14308-400
SHCS (M3 x 10): 59104-075
Piston Seal: 74042-005
O-Ring Seal: 3642-018-1
Flat Washer: 70365-001
SHCS (M4 x 10): 59104-018

Notes:

Jaw rebuild kits for Pxxxx option can be found in the respective catalog sections.
Items included in the fastener kit, seal kit, jaw rebuild kit, and impact plate kit are indicated in the document.
The impact kit includes 2 impact plates and 8 SHCS.

Exploded Assembly Parts: The document provides a detailed list of parts for the Series GRM0 Clamps, including their descriptions and part numbers.

Catalog excerpts

GRM0 Pneumatic Workholding Clamps • Designed for high force in an extremely compact and lightweight package • Generates up to 135 lb [600 N] total clamp force • Locks in closed position Member of the MAC Distributor Network LEADING DESIGN OPTIMIZ , FOR WE ED IGH & SIZE T Empowering Automat

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PNEUMATIC WORKHOLDING CLAMP LEADING DESIGN OPTIMIZ , FOR WE ED IGH & SIZE T • Compact envelope size, lightweight, and strong. Weighing under 0.54 lb [0.24 kg], the clamp generates up to 135 lb [600 N] of total clamp force. • Simple design, long life, and fast field maintenance. • The clamp jaws lock in the closed position, ensuring part retention if air pressure is lost due to line rupture or power loss. • Ideal for applications where size and weight are a concern. • Perfect for robotic crossbar transfer press applications. • A superior alternative to vacuum cups or magnetic-type grippers due...

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ORDERING & ENGINEERING DATA: Series GRM0 Clamps UNIT SIZE JAW STYLE S - Standard F - Flange STANDARD TIP: JAW A SDB - Single Diamond, Black SDS - Single Diamond, Silver SDG - Single Diamond, Gold STANDARD TIP: JAW B SDB - Single Diamond, Black SDS - Single Diamond, Silver SDG - Single Diamond, Gold ACCESSORY MOUNTING M01 - Spherical Mounting Bracket for 30.0 mm Tube M07 - Spherical Mounting Bracket for 32.0 mm Tube M21 - 90° Spherical Mounting Bracket for 25.0 mm Tube M23 - Spherical Mounting Bracket for 25.0 mm Tube M25 - Spherical Mounting Bracket for 1.25 inch Tube M39 - 90° Spherical Mounting...

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DIMENSIONS: Size GRM0 Clamps- Jaw Style S STANDARD JAW STYLE ‘S’ 4X M4 x 0.7 SELF LOCKING THREAD 0.394 [10.0] DP MIN 2X M6 x 1 SELF LOCKING THREAD All dimensions are reference only unless specifically toleranced.

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DIMENSIONS: Size GRM0 Clamps - Jaw Style F FLANGE JAW STYLE ‘F’ 4X M4 x 0.7 SELF LOCKING THREAD 0.394 [10.0] DP MIN 2X M6 x 1 SELF LOCKING THREAD All dimensions are reference only unless specifically toleranced.

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MOUNTING: Series GRM0 Clamps ORDERING DATA: ACCESSORY MOUNTS NOTE: Rear mounting threads (T option) must be speciﬁed when ordering an accessory mount (Mxx option). 90° SPHERICAL MOUNTING BRACKET 2.500 [63.5] PANEL LOCATION MODEL NUMBER OR ACCESSORY CODE GRM0Cx-2 GRM0Cx-6 GRM0Tx-2-M21 GRM0Tx-6-M39 Ø M4 MOUNTING TUBE SIZE 1.0 in 25.0 mm 25.0 mm 1.0 in All dimensions are reference only unless specifically toleranced.

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MOUNTING: Series GRM0 Clamps GRM0 SPHERICAL MOUNTING BRACKET 0.625 [15.9] MODEL NUMBER OR ACCESSORY CODE GRM0Sx-2 GRM0Sx-6 GRM0Tx-2-M23 GRM0Tx-6-M47 Ø M4 MOUNTING TUBE SIZE 1.0 in 25.0 mm 25.0 mm 1.0 in OVERSIZE SPHERICAL MOUNTING BRACKET 3X M5 HEX Ø M4 MOUNTING TUBE SIZE 1.25 in 33.3 mm 30.0 mm 32.0 mm 1.25 in 33.3 mm All dimensions are reference only unless specifically toleranced.

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TIPS: Series GRM0 Clamps ORDERING DATA: GRM 0 T S - 6 - 45 SDB - 45 SDB - TAxxx - TBxxx STANDARD TIPS (JAW A) NOTE: Standard tip options must be left blank when ordering accessory tips. MODEL NO. OR TIP ACCESSORY COLOR CODE Single Diamond Point Single Diamond ACCESSORY Point (High Temp) TIP Double Rounded Urethane Pad Black Silver Gold Black Silver Gold NOTES: 1) Jaw A tips and Jaw B tips can be reversed. 2) Tip options are not recommended for material thickness below 0.25 mm. All dimensions are reference only unless specifically toleranced.

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OPTIONS & ACCESSORIES: Series GRM0 Clamps STANDARD TIP: JAW A SDB - Single Diamond, Black SDS - Single Diamond, Silver SDG - Single Diamond, Gold STANDARD TIP: JAW B SDB - Single Diamond, Black SDS - Single Diamond, Silver SDG - Single Diamond, Gold ACCESSORY MOUNTING M01 - Spherical Mounting Bracket for 30.0 mm Tube M07 - Spherical Mounting Bracket for 32.0 mm Tube M21 - 90° Spherical Mounting Bracket for 25.0 mm Tube M23 - Spherical Mounting Bracket for 25.0 mm Tube M25 - Spherical Mounting Bracket for 1.25 inch Tube M39 - 90° Spherical Mounting Bracket for 1.00 inch Tube M42 - Spherical Mounting...

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OPTIONS & ACCESSORIES: Series GRM0 Clamps SWITCH OPTION D: 81686-001 (PNP) + SENSING FACE SHORT CIRCUIT AND OVERLOAD PROTECTION WIRING DIAGRAM M12 x 1 EUROFAST CONNECTOR SWITCH OPTION SWITCH TYPE VENDOR PART NUMBER PANEL PRESENT DETECTION FIELD SET‑UP PROCEDURE: CORDSET PHD CORDSET VENDOR PART NUMBER PART NUMBER 65413-00-02 1) Using air pressure, close clamp jaws with panel between tips. The switch should stay on. 2) Loosen both screws and remove lever from locating hole. 2) Close clamp jaws with no panel between tips. The switch should turn off. 3) Push housing towards jaws to the extent of...

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OPTIONS & ACCESSORIES: Series GRM0 Clamps LAA 90° SWIVEL ELBOW, METAL PORT FITTINGS FITTINGS SWIVEL 360° (MAY CONTACT MOUNTING BRACKET OR OTHER FITTING IN CERTAIN ORIENTATIONS) FITTING PART NUMBERS IF ORDERED SEPARATELY PORTS PORT FITTING OPTION IMPERIAL METRIC LAA 62178-064 62195-073 PF2 CLOSED PORT HIGH TEMPERATURE SEAL OPTION Option includes high temperature seals and lubrication rated to 392°F [200°C]. Please note switches are not recommended for temperatures over 158°F [70°C]. Seal Kit Number if ordered separately: 91449-02 All dimensions are reference only unless specifically toleranced....

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PART DESCRIPTION Body Assembly Piston Shock Pad Bore Plug Retaining Ring Impact Plate Piston Rod/Jaw Driver Roller Bushing Slider Bushing Dowel Pin (4 x 28) Dowel Pin (5 x 28) Jaw (S) 0° Jaw (S) 45° Jaw (S) 68° Jaw (F) 0° Jaw (F) 60° Jaw (S) 0° Jaw (S) 45° Jaw (S) 68° Jaw (F) 0° Jaw (F) 60° LHCS (M4 x 6) SHCS (M3 x 10) Piston Seal O-Ring Seal Flat Washer SHCS (M4 x 10) KIT DESCRIPTION Seal Kit Jaw Rebuild Kit(1) Fastener Kit Impact Plate Kit 1) Jaw rebuild kits for Pxxxx option can be found in the respective catalog sections. 2) Items shown in 3) Items shown in are included in fastener kit. are...

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