Joe Kannapell

Sixty Years of Machines, Part VII: Gantries—Running Off the Rails

Joe Kannapell

One glaring gantry glitch, truss plates falling off, still needed to be addressed in the early 1990s. Missing bottom plates interrupt production, or worse, compromise quality. Sometimes an uneven table surface is the cause. But often the gantry mechanism is to blame. Tolerances are surprisingly...

#12251 Cover image
June 2020
Issue #12251
Page 10
Joe Kannapell

The Last Word: Fast Walking Through the Corona Crisis

Joe Kannapell

While many Americans are stuck at home without work, most of us have been blessed to keep working, at home or in component plants. Remarkably, most CMs have operated continuously with very few incidents. One large manufacturer with 1500 associates has not had a single Covid case. Then, why such...

#12251 Cover image
June 2020
Issue #12251
Page 137
Joe Kannapell

Sixty Years of Machines, Part VI: Roller Gantries Enhanced

Joe Kannapell

As housing boomed in the mid-1980s, truss plants needed better equipment. Among those was Heart Truss and Engineering in Michigan. Heart was also benefitting from booming auto plants nearby. Their production head, Bob LePoire, pondered how to keep up. Bob’s boss and Heart’s...

#12250 Cover image
May 2020
Issue #12250
Page 10
Joe Kannapell

The Last Word: A Tale of Two Texas Trussers

Joe Kannapell

Larry Dix and I had to leave Texas to find jobs in the 1980s, as oil had crashed, and no one was buying our trusses. Back then, oil was $25. Today, they’re giving it away. Both Larry and I landed and recovered in Virginia, where government spending levels out the economy (we hope)! No...

#12250 Cover image
May 2020
Issue #12250
Page 131
Joe Kannapell

Sixty Years of Machines, Part V: The Gantry Gains Ground

Joe Kannapell

The roller gantry had two major obstacles to clear in the 1970s, both erected by its inventor, Carroll Sanford. Both were delineated in hard-to-evade U.S. Patents. The first was on the machine itself and the second was on the connector plate that it required. The simplicity of the gantry machine...

#12249 Cover image
April 2020
Issue #12249
Page 10
Joe Kannapell

The Last Word: Not My Last Word

Joe Kannapell

From four stories up, I realized how far wood components have come. I was atop 170,000 sq. ft. of trusses, viewing the Minneapolis Basilica, and couldn’t help thinking back 47 years to my first jobsite visit. [See PDF or View in Full Issue for photos.] Back then, floor trusses were brand...

#12249 Cover image
April 2020
Issue #12249
Page 145
Joe Kannapell

Sixty Years of Machines, Part IV: Early Roller Gantries

Joe Kannapell

The roller gantry dominates today’s truss production, but it hasn’t always done so, despite the fact that it hasn’t changed much over sixty years. The reason for its relatively slow ascendency is found in its origins and in its adaptations over this period. And along the way...

#12248 Cover image
March 2020
Issue #12248
Page 10
Joe Kannapell

The Last Word: The Last Word from 2020 IBS on Floor Cassettes

Joe Kannapell

A few CMs have already heard the “buzz” about floor cassettes from the annual International Builders Show (IBS). A good portion of January’s Show dealt with offsite construction, and prebuilt floor sections are of major interest. At one of the Show’s seminars, we...

#12248 Cover image
March 2020
Issue #12248
Page 143
Joe Kannapell

Sixty Years of Machines, Part III: Table Presses

Joe Kannapell

More CMs are “doing it right the first time” via vertical presses, taking advantage of their flexibility and the quality of their production. But few realize that some of the most successful plants in our industry started with table presses. These presses have always had the...

#12247 Cover image
February 2020
Issue #12247
Page 10
Joe Kannapell

The Last Word: Vertical Presses — The World Record

Joe Kannapell

Forty years ago, a frenetic fray raged over the World Record for truss production. While CMs across the country competed, the two main players, Littfin in Minnesota and Dickie Vail in Louisiana, produced numbers that may never be equaled. The massive trophy, displayed today in the lobby of...

#12247 Cover image
February 2020
Issue #12247
Page 133
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