Heat Treating Processes
Heat-treating is defined as the controlled heating and cooling of a metal in order to change its physical and mechanical properties without changing its shape. A material often hardens or changes characteristics as a result of some sort of process that has been performed, such as machining or welding and is therefore an unintended consequence
Tech Notes
Engine Builders: At Quaker State Research, the folks working on the technical hotline answer hundreds of lubricant questions every day. Let’s answer a few more obscure questions you may or may not have heard before. Question: Can engine oil actually impact my fuel economy? Answer: Yes, but in the range of a few percent. Believe
Machine Maintenance: There’s Nothing Boring About Boring Bar Maintenance
You know the feeling: the machine you want, you can’t afford, and the machine you can afford you already have. Don’t you wish, just once, you could call up the sales representative and say “My turn, send me one of those new ‘XYZ’ machines?” You know the kind, the new state-of-the-art machining center that can
PERA’S Core Corner: When It Comes To ‘How Clean,’ Do You Really Know?
Ever notice how many commercials there are in our environment about cleaning? Cleaning your floors, toilets, counter tops, disinfecting everything and anything that you come into contact with. In fact even the air that we breathe needs to be cleaned. Spin that out to the vehicles that we drive. You know they have to be
Crack Detection
Take a look in the mirror. Smiling back at you, you’ll notice that row of pearly whites. They probably look pretty good. Maybe a bit stained from coffee or smoking, but overall, they seem to be pretty solid, right? If you’re like many people, the fear sets in as soon as you sit down in
Tech Notes
Engine Builders: As engine technology advances to produce more efficient engines, motor oil must continue to meet the increasing demands for lubricating these precision-made engines. Development of the next specification of gasoline-fuel (GF) motor oil began only months after the latest specification, GF-4, became available in 2004. The GF-5 motor oil specification created by the
How To Eat an Elephant
Over the past 13 years, readers of this magazine have come to expect creativity, innovation and a healthy “gee whiz” factor from the annual Machine Shop of the Year Award winners. From technical expertise to absolute professionalism, the winners of this prestigious award have been great representatives of this industry. New last year at MMM&P
Machine Maintenance, Follow The Clues To Avoid The Comeback Blues
Even before you start the teardown, you can gather many clues about what needs to be done. Encourage your counter guys to engage in as much conversation with the customer as possible. Just listening to him tell why he is bringing you this engine will yield tons of information that goes a long way toward
Machine Maintenance: Get Your Head Together – And Apart!
The C-frame style of valve spring compressor has become the preferred tool for disassembly and re-assembly of the standard applications like Chevy and Ford. These compressors work with air and a special jaw presses on the retainer, allowing you to remove the keepers quickly and safely. There are also manual versions of the C-frame compressor
PERA’s Core Corner, Fighting Truth Decay About Cavitation Damage
It’s amazing how something that may be damaging or corrosive in one circumstance can be of great value in another, like using extremely dangerous explosives to put out an oil well fire. This month we are going to talk about a similar action yet on a much smaller scale, microscopic actually, and it’s called “cavitation.”
Cylinder Head Design and Modification – Getting Started
No one can teach you how to port heads in a single magazine article, not even as great a magazine as Engine Builder. “Blasphemy!” the editors are screaming, but it’s the truth, because every job is unique to itself and its intended use. There are many resources available, but if you are serious about learning
What Are The Costs?
In the equipment industry, it’s a similar situation. Change and development have been furious. Advancements in technology have made nearly every step of the rebuilding process more exact than ever, which has made it easier for shops to meet the ever-tightening tolerances and reach OE specifications. But these advancements haven’t come without their costs, both
Machine Maintenance: Don’t Neglect Your Shop’s Other Machines
Over the past couple of years we’ve discussed the various maintenance requirements for your big machines – surface grinders, crank grinders, cleaning machines, etc. Now we’re going to take a look at five other devices that play an important part in building the best possible engines for your customers – the air compressor, hydraulic press,
Coretalk: Pentagon 9/11 Survivor To Keynote PERA Convention
After American Airlines Flight 77 crashed into the Pentagon, very close to his second floor office, LTC Birdwell was thrown to the ground and engulfed in flames. Of the burns that consumed 60 percent of his body, nearly half were third-degree burns. With more than 30 operations and months of multiple skin grafts and burn
Machine Maintenance, Make the Most of Your Crank Grinder: Maintain It
Your crankshaft grinder probably represents one of the single biggest investments you’ve made for your shop. Most of you purchased your grinder to ensure quality, delivery and to enhance your shop’s ability to be self-sufficient. Hopefully you and your employees are taking good care of this sophisticated and expensive machine. To help you out, here
The Lives of Lifters, What You Need to Know
It’s like any other mechanical part in an engine. It has a simple yet specifically designed function, it’s not overly complicated and it’s definitely not the proverbial rocket science, tricked-out part. But there’s more to know about the valve lifter than you may think. First off, there are two distinct styles of lifters used in
Searching For The Complete Clean
Many shops have systems that work well for one but not so well on the other. Are there effective ways to clean both types of metal with one setup? The answer to that depends, in large part, on what you consider clean. Most shops have some type of cleaning equipment, whether it is an automated
Shop Management Software
Reality TV puts ordinary people into difficult, often dangerous situations with the sole purpose of providing entertainment to millions of people. Except for the “entertainment” and “millions of people” part of the equation, that also sounds like just another business day. How often do you as a machine shop owner or engine rebuilder feel that
Connecting Rod Reconditioning: More to it than you might think
The connecting rod plays a vital role in the engine. But a connecting rod is under tremendous stress, with the weight of the piston sitting on top, changing direction thousands of times per minute. This continuous stopping and changing of direction combined with the weight of the piston and speed of the engine hammer on
The Latest in TIG Welding Techniques & Equipment
Like the swallows coming back to Capistrano, the monarch butterflies finding the same wintering site in Mexico generation after generation or the buzzards returning faithfully to Hinckley, OH, in my neck of the woods, I am back with an annual March update on TIG welding in general and welding aluminum cylinder heads and other engine