An Overview of Tapered Pipe Threads, and Their Application at Vulcan

It's hard to imagine that much of our technology is underpinned by very old, basic standards that year after year simply "do their job" without much regard.  One of those is tapered pipe threads.  This is a brief overview of same, and specifically the "National Pipe Taper" or NPT threads.  Much of this material comes … Continue reading An Overview of Tapered Pipe Threads, and Their Application at Vulcan

Pile Buck Ads 5: Vulcan 530 in Offshore Leaders — vulcanhammer.net

For the last of the “Pile Buck Ads,” a photo of the Vulcan 530 hammer is featured in offshore stub-type leaders. The 530, introduced in 1978 for driving pipe piles offshore in the Gulf of Mexico, was and is used in a wide variety of pile driving projects. In this case it’s shown to be […] … Continue reading Pile Buck Ads 5: Vulcan 530 in Offshore Leaders — vulcanhammer.net

Pile Buck Ads 4: Link Belt Diesel with a Mandrel — vulcanhammer.net

The fourth in our series on the ads which Pile Buck allowed vulcanhammer.net to run was this shot of a Link Belt 520 driving shell piles using the Vulcan Expanding Mandrel. The mandrel’s history and shell piles in general are discussed here. The Link Belt 520 is an interesting story in itself. The diesel […] via … Continue reading Pile Buck Ads 4: Link Belt Diesel with a Mandrel — vulcanhammer.net

The Pile Buck Ads 2: Vulcan #1 Hammer in Action — vulcanhammer.net

On this, the twenty-second anniversary of the beginning of this site, we present another of the ads which Pile Buck allowed us to run in their books. It shows the Vulcan #1 hammer on the South Side of Chicago. It also features the URL of the vulcanhammer.info site, which is dedicated to Vulcan hammers and […] … Continue reading The Pile Buck Ads 2: Vulcan #1 Hammer in Action — vulcanhammer.net

Vulcan 014 and 016 Valve Gear Assembly

Above is a valve gear diagram for the Vulcan 014 and 016 hammers.  It shows the workings of the valve, its positioning during operation and other details.  Although Vulcan made improvements after this drawing (valve liners and Vari-Cycle, for example) it shows the basics of the valve which has done well in Vulcan hammers for … Continue reading Vulcan 014 and 016 Valve Gear Assembly

Vulcan Sheave and Cylinder Head Assembly

Above is a Vulcan diagram of the sheave and cylinder head assembly for Vulcan #2, #1 and #0 series hammers, which include the 06, 505, 506, 0R, 08, 010, 012, 508, 510 and 512 hammers.  It includes the factory intended wire rope sizes for these hammers.  Some additional notes are as follows: Sheave and sheave … Continue reading Vulcan Sheave and Cylinder Head Assembly

Vulcan 3100 Hammer: Specifications and Information

Like the 060 and even more the 040, the 3100 was a major step up for the company.  Even though it became the "gateway" to the company's largest hammers, itself it was a dead end offshore for reasons that weren't fully appreciated at the time, at least not by Vulcan or some of its end … Continue reading Vulcan 3100 Hammer: Specifications and Information

Vulcan 040 and 340 Hammers: Specifications and Information

Vulcan's personnel brought back many colourful stories from the field.  One of those came from Jesse Perry, Vulcan's senior field service representative.  Offshore pile driving is a brutal, unforgiving business; offshore piles are tip elevation piles, and the expediency of "beating the pile to death" to get done in the high hourly barge rates was … Continue reading Vulcan 040 and 340 Hammers: Specifications and Information

The Vulcan Extractor Photo that Made a Civil Engineering Textbook

Vulcan hammers appear often in geotechnical engineering textbooks and other reference material.  It's rare that it would happen outside of that discipline, but happen it did. In 1960 the first edition of Mechanics of Materials by Archie Higdon, Edward H Ohlsen and William B. Stiles was published with the 1200A extractor photo shown above.  The … Continue reading The Vulcan Extractor Photo that Made a Civil Engineering Textbook

An Overview of Driving Accessories

The photo above shows an overview of driving accessories for Vulcan onshore hammers from the 1970's, from Vulcan Bulletin 68M.  These apply both to the Warrington-Vulcan single-acting hammers and the Super-Vulcan differential-acting hammers. More information on driving accessories can be found here: Cushion Pot Dimensions Pipe Cap Dimensions Use of Micarta and Aluminium Cushion Material … Continue reading An Overview of Driving Accessories