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STEP 1: THE MODULAR FIXTURE

A STANDARDIZED APPROACH TO WORKHOLDING

Flexible - “All in one” fixture accommodates different part configurations and sizes.

Flexible enough for castings and forgings: Castings, forgings, etc. are handled by utilizing the additional flexibility built into the fixture

High-mix, low-volume: Optimum operation is achieved in a high mix, low volume environment, primarily for hog-out machined parts using a picture frame concept

Any size part can be machined on the same fixture as long as it can physically fit on the fixture.

Obstructions to the machining have been minimized/eliminated since the Invert-A-Bolt™ fasteners are below the surface of the fixture plate.

Setups are always the same: no dialing in for each new part to be machined.

SEE A PICTURE FRAME AND TABBING EXAMPLE

ANATOMY OF AN ELIJAH TOOLING UNIVERSAL MODULAR FIXTURE

Four components: 

- Invert-A-Bolt™ Fasteners: Clamps the part Down - 

- Multi-Purpose Hole: Multi-Purpose Holes – with or without hardware incorporates a locating shoulder and threaded portion, used with shoulder screws, bolts, and dowel pins. 

Several hardware options exist:

EZE-DRIVE™ ZIPBUSHING™ PRECISION THREADED LOCATOR BUSHING

Bushing + Threaded Inserts

Bushings alone

- Locators: Hold down/locate to the baseplate 

Shoulder Screws with bushings,

Precision Locators

Bushings with dowel pins etc.

- Identification: Row/column designators

Elijah Tooling Modular Fixture Patterns

1.5” x 1.5” staggered pattern

In the 1st example, a 1.5” x 1.5” staggered pattern is the densest pattern that can be used. 

The benefit of that type of pattern is that the material usage is minimized. 

The drawback is that it cannot be used with other off-the-shelf modular components since it does not employ a 2” standard pattern.

2” in-line pattern

In the 2nd example, a 2” in-line pattern is used (In-line referring to the fasteners and the multi-purpose holes) but this pattern is also very dense since it has fasteners and multi-purpose holes at every 1” one way or the other. 

This particular pattern would be the most efficient but also the most expensive, since it uses 2 different fasteners in an extremely dense pattern, hence the designation as a hybrid. 

Elijah Tooling 2 Inch In-Line Pattern Modular Fixture

2" In-Line Hybrid

In the 3rd example, the fasteners and bushings are in-line on 2” centers.  In this instance, the customer wanted to use the 5/8” fastener, so smaller bushings had to be used and would not accommodate off-the-shelf modular components. 

CASE STUDY: BOMBARDIER

STANDARDIZATION

  Bombardier saved millions by standardizing every aspect of the cell.

OPTIMIZED PROCESS

  Replaced over 5000 dedicated fixtures with vises and the UCMF.

   Replaced 17 machines with 3 Makino High Speed Horizontal machines.

  Reduced set up time by 90 percent.

  Re-assigned at least 15 employees, leaving   only 4 to run the cell.

PICTURE FRAME 

  Used a “foil” tabbing system for picture framed hogouts.

Testimonial: ".... we cut setup times from hours to minutes...."  Drew H., Bombardier Aerospace


CASE STUDY: GKN

GKN cut out setup time and related “lost” hours by:

 Reducing the number of dial-ins

 Eliminating clamp changes

 Eliminating grinding bolts

 Eliminating dedicated fixturing

STANDARDIZATION 

  Machined 346 parts on one fixture.

AMAZING RETURN ON INVESTMENT

  3 month return on investment partially due to material savings in cutting titanium.

NEW BUSINESS DUE TO LOWER QUOTES

  Garnered $100M in new business

Testimonial: “I have used your fasteners in many different situations. The thing I love about these fasteners is that they make for simple, repeatable setups. I am a big advocate for standardization in machining. If I can reduce the number of options and choices available, I can make money! Every variable I introduce into the process, increases the likelihood of increased cost. Not only that, we can reduce the stock size of our parts, which really comes in handy when we're cutting titanium and other expensive materials. ” Jerry Halley, Tech Mfg., Recognized Expert in High Speed Machining

STEP 2: THE INVERT-A-BOLT FASTENER

THE INVERT-A-BOLT FASTENER

Machining flexibility: Can be used to quick-change parts, vises, tools, tooling,  or hold any two objects together.  

No obstructions to machining: Eliminate clamps and bolts. 

Ideal for 5-axis machining: Precise & stable setup eliminates vibrations.

Select Invert-a-bolt Fastener size

THE INVERT-A-BOLT FASTENER

SUPER STABLE

  Super stable setup specialized for high speed machining

TINY FOOTPRINT

  Tiny footprint reduces the chance of a spindle crash

SUPERIOR DESIGN  

  Modular design + high quality stainless steel make the fastener robust and flexible

QUICK CHANGEOVERS

  Designed for use with pneumatic tools which speed up changeovers

DIMENSIONAL ACCURACY

  Hold flatness & parallelism with ease


CASE STUDY: SPIRIT AEROSYSTEMS

NESTED GEOMETRY 

  The Invert-A-Bolt™ modular fixture allowed Spirit to nest and machine ship sets of titanium parts in one operation

ROBUST 

  Machined 11 different parts out of one 2600kg plate

STANDARDIZATION

  Spirit significantly benefitted from standardization and low material costs

CNC Window Framing Project with multiple Nested Parts using Invert-a-bolt™ Fasteners

Step 3: Choose Additional Workholding Components

Designed to locate quickly and precisely. Elijah Tooling workholding components make your job easy. 

All the functionality of bushings, threaded inserts, and dowel pins - while being much simpler, and faster, to install and use. 

Additional components:

 EZE-Drive™ ZipBushing™ Precision Threaded Locator Bushing (Combination Bushing and Threaded Insert)

XZertZ™ Retractable Locating Dowel Pin (Next-Generation Dowel Pins)

Invert-A-Bolt™ (IVB) Precision Locator

T-Slot Fastener

CHOOSE ADDITIONAL WORKHOLDING COMPONENTS

STEP 4: MAKE A FIXTURE

Some people take small steps, some people take larger steps, but everybody takes a step. Here are some steps you can take.

Take one of the following steps: 

1) Buy a quick change kit and test it out on a small scale. 

2) Provide us with your specifications so we can design a custom-solution to your application.

3) Choose individual components and build your own - We will provide guidance 

WATCH OUR VIDEOS
Elijah Tooling Universal Modular Fixture with invert a bolt fasteners