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FABCO-AIR
Gripper Catalog

Gripper Catalog

Product catalog summary

Product Overview
The catalog GR-8 focuses on advanced pneumatic grippers, specifically the LPG Series for large parts with long strokes and the GR & GS Series for angular jaw motion grippers.

Specifications and Construction
The SPG Series features parallel grippers with a simplified design of only three moving parts, reducing wear. Key components include a rocker arm for synchronized jaw motion, heat-treated aluminum cylinder blocks, and high-performance linear bearings. These grippers are suitable for both OD and ID gripping with equal opening and closing forces.

Design Innovations
SPG Grippers address common issues found in conventional grippers by eliminating complex linkages and gibs, reducing bending moments, and ensuring precise machining for easy interchangeability. They are easy to repair with only six total parts.

Jaw Styles and Options
SPG Grippers offer various jaw styles, including straight and angle jaws, with multiple mounting options for tooling. Options include spring open/close for fail-safe operation, non-synchronous motion, and strain relief for air tubing.

Special Applications
SPG Grippers are versatile, suitable for verifying part presence, creating three-position jaws, and serving as escapement devices, demonstrating adaptability for different industrial needs.

Product Selection and Ordering
The catalog provides a detailed product selection guide, including models with varying stroke lengths and grip forces, along with ordering instructions and available sensor options for precise operation.

Overview
The document details specifications and options for the SPG Series Parallel Grippers, including models SPG100, SPG200, SPG300, SPG600, and their variations, designed for high-speed, quiet operation with customization options.

Specifications
The grippers operate at 50% more psi and offer adjustable stops for fixed reference points. They are available with Viton seals and urethane bumper pads for noise reduction. Grip force per jaw at 100 psi, stroke lengths, and jaw styles are listed for each model.

Options
Customization options include Interface Blocks for attaching end tooling, Center Locating Dowel Pin for precise alignment, Escapement Device for adjustable stops on both jaws, and Electronic or Reed Switches for position sensing.

Jaw Styles
Different jaw styles are described, including straight and angle jaws made of aluminum or steel, and combination jaws. Certain jaw styles are not available with high force models.

Sensing Options
The grippers can be equipped with proximity sensors or magnetic reed switches for detecting jaw positions, with options for single or dual position sensing.

Ordering Information
A guide for selecting a model based on stroke and grip force is provided, along with examples of specifying options and configurations when ordering.

Dimensions and Weights
Detailed dimensions and weight information for each model are provided, with distinctions between aluminum and steel jaws.

Additional Notes
Specifications are subject to change without notice, and contacting the applications department for special configurations is encouraged.

Fabco-Air Product Catalog Overview

1. Longstroke™ Air Cylinder Lines
This section describes components such as valves, air-over-oil tanks, boosters, and accessories related to air cylinder lines.

2. Linear Slides (Catalog # LS-03)
The line includes six families of slides, pick & place units, and thin parts placers, with bore sizes ranging from 5/16” to 4” and guide shafts from 1/4” to 1-1/2”.

3. Global Series™ Air Cylinders (Catalog # GC-15)
This series offers a wide choice of models and options, featuring non-lube service up to 150 psi, with bore sizes from 12mm to 100mm and strokes from 5mm to 150mm, available with NPT or Metric ports.

4. Air Preparation - FRLs (Catalog # FRL-06)
This section covers a broad line of air preparation products with port sizes from 1/8 NPT to 1 NPT, including 3-way slide valves, modular assembly, and 3-way lock out/tag out valves for safe equipment maintenance.

Catalog excerpts

Precision Pneumatic Grippers Advanced Parallel & Angular Advanced Parallel & Angular Jaw Motion Designs Jaw Motion Designs

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Specifications subject to change without notice or incurring obligations.

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“SPG”Series Parallel Grippers Five steps to building the finest grippers available. . . (1) Start with a pair of symmetrical jaws (2) Couple the mating internal parts (3) Add one symmetrical cylinder block "Open" & "Close" air passages connect to a porting block Slip Fit Dowel Holes (4) 2 in each bearing block Guide shaft (Piston) Integral Jaw/Guide Shaft/Piston Assembly A pair of ground, stainless steel guide shafts (which double as air pistons) are press fit andpinned to each gripper jaw. Jaws can be aluminum or steel. Shafts are placed diagonally and spaced far apart for maximum jaw stability....

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“SPG”Series Parallel Grippers Problem #1: Conventional grippers place the power cylinder some distance above the jaw. The jaw is driven by a "linkage" that creates a "bending moment" which results in loss of force and creates wear points for future maintenance headaches. Solution: SPG Grippers offer a choice of jaw styles for easy attachment of tooling. Note that all SPG Gripper jaws have three rows of tapped mounting holes and dowel holes for increased versatility. Silo SPGGripper SPG Jaws J1&2 Silo SPG Jaws J1 Silo in Jaws J2 (6/17/97) jaws are availableSPG steel or aluminum. (6/17/97) Solution:...

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Solving conventional gripper problems with only 3 moving parts! Problem #5: Competitive grippers are difficult to repair – lots of parts, etc. Solution: SPG Grippers have only three moving parts, and six total! #1 Porting Block dimension "B". "B" is machined to a tolerance of ±.001 on all SPG Models. Mounting the gripper is accomplished by "slipping" the gripper's dowel into a slip fit dowel hole and pushing the gripper into the machined channel. Removal is easy and does not required "prying" the gripper off of two "stuck" dowel holes. Special Example #2 Three position jaws Fabco-Air has made...

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“SPG”Series Parallel Grippers Standard Stroke Models Gripper Selection Guide Choice of Stroke & Grip Force Stroke Grip Force Per Jaw at 100 psi Model (Open) Closing Opening SPG 100 0.25" 5.5 lbs 5.5 lbs SPG 200 0.40" 9.8 lbs 9.8 lbs SPG 300 0.54" 22 lbs 22 lbs SPG 300LS 1.16" 22 lbs 22 lbs SPG 300HF 0.54" 100 lbs 22 lbs SPG 300LSHF 1.16" 100 lbs 22 lbs SPG 600 1.38" 88 lbs 88 lbs SPG 600LS 3.75" 88 lbs 88 lbs SPG 600HF 1.38" 402 lbs 88 lbs SPG 600LSHF 3.75" 402 lbs 88 lbs Note: Jaw opening force is not increased. Combination Jaws Angle Jaws Silo SPG 300 Long Stroke Models LS (6/17/97) Jaw opening...

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The extremely tough grippers that never need adjusting! How to Order Gripper Sizing Guide Select a model based on stroke & grip force Stroke Grip Force Per Jaw at 100 psi Model Opening (Open) Closing 5.5 lbs 0.25" SPG 100 5.5 lbs 9.8 lbs 0.40" SPG 200 9.8 lbs 22 lbs 0.54" SPG 300 22 lbs 22 lbs SPG 300LS 1.16" 22 lbs 22 lbs SPG 300HF 0.54" 100 lbs 22 lbs SPG 300LSHF 1.16" 100 lbs 88 lbs 1.38" SPG 600 88 lbs 88 lbs SPG 600LS 3.75" 88 lbs 88 lbs SPG 600HF 1.38" 402 lbs 88 lbs SPG 600LSHF 3.75" 402 lbs Sensor options – ACFH Other options 5mm Threaded Prox Switch Mounted On Same End As Ports Electrical...

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“SPG”Series Parallel Grippers SPG 100, SPG 200 & SPG 300 SPG Dims J1 to J4 (6/14/06) Y Q J1/J2 Combination jaws shown on Model SPG300 Slip Fit Slot for "T" Dowel x "V" Deep "W" tapped x "X" Deep (Mounting Hole – 2) V 10-32 Port (2) Slip Fit Thru Hole for "R" Dowel (3) per Jaw *stroke (Jaws Open) Slip Fit for "R" Dowel x "S" Deep (1) per Jaw *stroke (Jaws Open) SPG Option H 6/24/06 Option "H" Interface Blocks – Dimensions K K Slip Fit Dowel Slot for "R" Dowel x "S" Deep (1) per Jaw *Note: Jaws close fully on gripper centerline as shown in this bottom view Typical Dowel Slot Detail "L" Tapped x...

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Small to Mid-Size Gripper Models SPG 300 HF (6/14/06) SPG 300HF High Force Models "W" tapped x "X" Deep (Mounting Hole – 2) Slip Fit Slot for "T" Dowel x "V" Deep Integral Booster Cylinder Note: Jaw detail dimensions on this page are identical to SPG300 dimensions shown on page 8. SPG 300 LS Stroke, High SPG 300LSHF LongHF (8/14/97) Force Models SPG 300 LS (6/14/06) SPG 300LS Long Stroke Models Y "W" tapped x "X" Deep (Mounting Hole – 2) "W" tapped x "X" Deep (Mtg. Hole – 2) Use J3 or J4 steel jaws only. J4 Jaw Style Shown Dotted. Slip Fit Slot for "T" Dowel x "V" Deep Slip Fit Slot for "T" Dowel...

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“SPG”Series Parallel Grippers SPG 600 Basic Models SPG 600 J1 - J4 (8/14/97) Typical Dowel Slot Detail Slip Fit Slot for 3/8" Dowel x .45" Deep 3/8 - 16 Tapped x .75 Deep (Mounting Hole – 4) Model SPG600 shown for size comparison with Models SPG100 (left) and SPG300 1.375 Stroke* (Jaws Open) Slip Fit Hole for 1/4 Dowel x 3/8 dp (1) per Jaw Slip Fit Slot for 1/4 Dowel x 3/8 Dp (1) per Jaw 1.375 Stroke* (Jaws Open) *Note: Jaws close fully on gripper centerline as shown in this view 1.000 5/16-18 1.000 Tapped Thru 3.190 (6) per Jaw SPG Option H .375 Slip Fit Thru Hole for 1/4 Dowel 600 (3) per Jaw...

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Large Size Models SPG 600HF High Force Models Slip Fit Slot for 3/8" Dowel x .45" Deep Note: Jaw detail dimensions on this page are identical to jaw dimensions shown on page 10. Use J3 or J4 steel jaws only. J3 Jaw Style Shown Dotted. Stroke* = 1.375 (Jaws Open) SPG 600LS Long Stroke Models Integral Booster Cylinder SPG 600LSHF Long Stroke, High Force Models SPG 600 LS HF Models (8/14/97) 2.000 3/8-16 x .75 Deep Mounting Holes (8) 2.000 Slip Fit Slot for 3/8" Dowel x .45" Deep Slip Fit Slot for 3/8" Dowel x .45" Deep 7.562 3.750 Stroke Jaws Open 3.750 Stroke Jaws Open J1/J3 Jaw Style Shown Dotted....

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