Heat Treating: Vertical Scan Hardening
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Whether you need to run one part for a lifetime, or run a lifetime of different parts, Pillar’s Vertical Scanners are the choice to make. These versatile machines are designed to induction heat-treat your parts either by scanning or single shot heat treat methods.
The control components are selected to ensure proven reliability and accessibility through many distributors throughout the U.S. and the World. Menu driven, question and answer zone function inputs, and “teach” mode makes training and operation simple, yet sophisticated. A wide range of optional features and controls will make the Pillar Vertical Scanner fit the exact specification of process engineers, without exceeding your financial specifications.
Vertical Scan Hardening
This “Bigfoot” Scaner was designed to handle 10-foot long bars, 5.5″ in diameter on the high end, and 20″ long bars, 1.25″ in diameter on the short end. And it’s got a bigger brother?
This is Standard Duty, dual spindle, 36″ Vartical Scanner. The entire system includeding water-cooling system, quench system, power supply, and scanner controls, are all mounted and interconnected on a common base for ease of installation.
Heat Treating: Single-Shot Case Hardening
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Single-shot Heat Treating refers to a process during which the part being heat-treated remains stationary in the induction coil during heating and quenching. The design and requirements of the component dictates that this process is best suited and each one is customized. Pillar Induction has been in the forefront of this customized technology.

The induction coil is at the heart of single-shot heat treating and specifically the laminated, integral quench, profile coil. Wheel Spindles, with their varying diameters and rigid requirements, are ideal candidates for this specialized technology, which Pillar has been defining for decades.
Heat Treating: Horizontal Scan Hardening
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For as long as Pillar has supplied heating systems, we have been supplying horizontal scanners. These installations have processed bars, tubes, and pipes, and they all have three sections: infeed, heating/quenching, and outfeed.
The drive mechanism, controls, and complexity varied, depending on the application, industry, and country of destination, but Pillar quality is what our customers have always counted on.
The diameter, length, wall thickness, final temperature, and throughput have been varied, but consistency, repeatability, and a quality end product is what our customers tell us remained the same.
- Horizontal Scan Hardening
- Induction Coil & Quench Area
- Infeed Carriage
Heat Treating: Gear Hardening
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Gear Hardening requirements are very dependent on the application in which the gear will be used, and we often develop the process in our R & D Center outside Detroit. Through this lab testing you can determine beforehand what your gear will be capable of after the equipment is installed.
After your results are achieved, we can supply the equipment required to duplicate those results in a production atmosphere. Fully automated or manually loaded and unloaded, Pillar Induction has what you need to fulfill your goals.
Our versatile Lift and Rotate Fixture can be used to heat treat many types of gears in all kinds of shops
Sometimes lab testing just requires a ring gear to sit on fire brick and be heated. Sometimes short production runs are needed. Whatever your requirements are, Pillar Michigan has the capability and the experience to satisfy your needs.
Heat Treating: Cylinder Bore Hardening
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Cylinder liners are hardened utilizing a scanning process with a specially designed coil and quench block designed to fit the ID of the liner. The Pillar scanning process makes the end results predictable and repeatable.

Fully automated, this installation uses a gantry system to load and unload the liners, while all process parameters are monitored. The hardening station is on the left and the tempering station is on the right.
Heat Treating: Crankshaft Hardening
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Small engine crankshafts are statically hardened and special split coils are developed in our Detroit R&D and Commercial Heat Treat Facility to satisfy whatever hardening pattern is required. Because we are so centrally located in the center of the small engine market, we’ve been working with a number of manufacturers for many years, providing us an expertise that’s difficult to find anywhere else.
Small Engine Crankshaft Hardening
- Integrating a complex installation into a small footprint while still maintaining serviceability is an art we’ve been practicing for over 50 years.
Hardening Station
Automation carries the staged crankshaft 180 degrees, and at the same time delivers the heat-treated part to the operator for load/unload. Maximizing automation and minimizing operator motion is key to increased production and consistent quality.
Heat Treating: Bolt Hardening
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Many types of fasteners require selective heat-treating for the applications they will be used in. Due to the liability of these applications, complete quality control is necessary for each fastener, which requires sophisticated monitoring and accept/reject capabilities. Pillar has addressed these sensitive issues with each system it has built, and tailored it to the requirements of the customer and applicable industry standard.
- With the selection of the proper power level, frequency, and inductor design, our automated system can be used for hardening specific bolt threads to a particular case depth. The bowl feeder, rotary dial process fixture, and exit accept/reject mechanism make this a complete automated machine needing only occasional tending.