Testimonials

"If your customers are looking for good, consistent clamping, or they are high-speed machining, where you have to be careful how to remove the material; if they have fixture management problems, or simply need a unique holding solution where having the ability to machine right over the top of these things or tuck them in close to the part is required, then I heartily recommend the use of Invert-A-Bolt™ fasteners."

VIEW COMPLETE LETTER

Jerry Halley
Executive Vice President and Chief Engineer
Tech Manufacturing Inc
Former Boeing Fellow & Recognized
High speed machining expert

(Jeff W., Makino, Inc.)

View complete Cutting Tool Engineering article
"Holding Pattern - Aerospace parts makers take new approaches to workholding"

"Part holding. One way GKN Aerospace has found to minimize fixture problems is to make tapped holes in sections of the part that will later be cut away. These holes are used to bolt the part to the worktable [using Invert-A-Bolt™ fasteners]. Since the bolt comes from behind the part, there is nothing on the part's surface to block the spindle's path. The cutter can reach five sides of the part, and only a single setup is needed."

View complete Manufacturing Engineering article
"Manufacturing the F/A-22"

(Paul S., GKN Aerospace)

(Dan O., GKN Aerospace)

"... The first invert a bolts have been used and the personnel on the floor love them. The numbers have already sold the big cheese. Our efficiency [on this job] went from 47 to 89 percent the moment we installed the invert a bolts..."

(Bruce O., Focus: HOPE Manufacturing)

"The minute we started using the Invert-A-Bolt™ fasteners we solved our flatness and parallelity problems. We were finally able to make the part to spec."

(Kevin G., Focus: HOPE Manufacturing)

"The fixture is working great!! no problems so far... The plate indicated across the bushings as close as you are going to check. The I29 hole is closer than you are going to check on the machine...What I meant to say was that the fixture could not have been built more accurately. Do not change a thing tolerance wise. Everything is just fine. " (Ron W., Precision Machine & Mfg)

"...the inverta-bolt fixture is working excellent on our Makino A88 machine. We have even added one of our own...We use the inverta-bolt [fasteners] in our work holding scheme as often as possible....We have not done any real time study as far as savings on our IVB plate. However I am sure the numbers would look real good if they were calculated...." (Ron W., Precision Machine & Mfg)

(Bruce O., Focus: HOPE Manufacturing)

View complete Cutting Tool Engineering article
"Machining Inside the Box"

"...And, while these results are impressive, Raytheon Aircraft quickly realized the efficiencies high-speed machining passed on to the rest of the manufacturing process...'we consolidated tooling and eliminated other operations. By using simplified, standardized tooling, maintenance decreases and impacts overall part quality and setup time.' Raytheon Aircraft's approach to workholding also impacts setup, using what it refers to as a universal vacuum fixturing...this standardized approach to vacuum fixtures allows operators to setup smaller parts in one operation. 'The fixturing uses back bolts [Invert-A-Bolt™ fasteners] and a large vacuum to hold the parts...A thin foil web is ultimately cut around the floor of the part -- about .0003 inch of material to keep the part attached to the universal fixture. When machining is complete, the vacuum is released and the part is snapped out of the surrounding material'.... Ultimately Luallen predicts certain applications could employ vacuum-free fixturing, and rely on the material surrounding the part for stability. 'This would drive out more fixturing and we would have one less system to rely on," says Luallen."

View complete article- Makino Case Study
"Manufacturing Takes Off at Raytheon"

"...We are using them now on some large Boeing hogouts. ...They are great for 2 sided machining, (flipping the part over) and you can't beat them for tool clearance issues. As far as holding power, haven't had any problems at all..."

Post on the eMastercam.com forum
(Kevin C., Davis Tool Inc.)

"We've got (2) bolster plates for our SNK high speed 5 axis profiler. Each bolster plate has 640 1/2-13 invert-a-bolts on 4" centers. We load parts on one bolster p[l]ate off-line while the other one is on the machine. On one job we hold an alluminum plate 6" x 58" x 105" The invert-a-bolts work great for us."

Post on the CNCzone.com forum
(T.Park, Thayer Aerospace, St. Louis)

[The fixture is] "working out pretty good, really!...
The bosses like it and are intrigued by it."
(Larry B., Precise Machine)
subsidiary of LMI Aerospace, Inc.

"Our setups used to take 2 hours. With your modular fixtures it only takes 20 minutes or so....
(Pete L., Precise Machine)
subsidiary of LMI Aerospace, Inc.

"... you can do some pretty wild stuff with them ..."

"... these things are awesome, man! We love these things!..."

"...We are very pleased with the product!"
(Luca B., Bombardier Aerospace)

"...fantastic..."
(Rob B., D & S Manufacturing)

"...we love your product and had very good success..."
(Jerry H., Boeing)

"...we love them..."
(Mike L., Excel)

"...superior to any other tooling method..."
(Kevin E., Insight Consulting)

Regarding the use of Invert-A-Bolt™fasteners: "They worked great! Hopefully I will have a chance to make use of them more in the future."

(Morgan H., Goss International)

"I love your product! ... Thanks for being in business... we love products that help us with Lean...."

(David G., Arnold Engineering)

"... I built a tool with the invert a bolt system last spring. To date the system has performed admirably. We have had no maintenance on it and no problems!! I am happy with it's performance ..."

(Steve D., Cessna Aircraft)

"... impressive.."
(Chris L., Aero CNC)

(Darrell M., May Tech & Mfg)

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