Above: Premium Alloys has one Amada PCSAW530X band saw with pulse cutting technology in operation and one that the metal service center plans to start running next year.
November, 2025- Conventional band saws at Premium Alloys cut reliably but lack a database to store the proven speeds and feeds for various workpiece materials and dimensions, creating inefficiencies and inconsistencies from operator to operator, says Director of Operations Omar Sanchez. “The operator knowledge pretty much determines the results of the performance.”
In addition to requiring heavy operator involvement, the Houston-based specialty service center’s four traditional band saws provided a poor cut quality when processing largediameter bar stock, and the surface finish would sometimes have a wave pattern even after a new blade was installed and the speeds and feeds were set correctly, Sanchez says. “Our blade usage was tracked manually, which makes it difficult to measure the actual square inches that we were getting per blade without having to do a lot of manual work.”
The service center operates out of a 35,000-square-foot facility and supplies stainless steel, cobalt and nickel-based alloys, such as Inconel 718 and K500, in bar stock in various diameter sizes, he notes. The industries served include aerospace, defense, oil and gas, and power generation, and the customer base includes OEMs, repair facilities, machine shops and other manufacturing sites. “The materials that we supply are used to manufacture mission-critical components. In every use, our alloys end up in applications where performance is non-negotiable.” Sanchez adds that Premium Alloys provide various value-added services, including heat treating, grinding, trepanning, boring and turning.
The PCSAW530X comes with multiple standard features, including a 3D automatic adjusting wire brush.
The cutting feed on the PCSAW530X is controlled by a hydraulic flow control valve with a stepping motor.
RHYTHMIC CUTTING
When Premium Alloys was in the market for a new band saw a couple of years ago to add to its existing ones, the company turned to Anthony Granata, vice president of Precision Millwright & Machine in Villa Park, Illinois. The company then purchased a PCSAW530X band saw built by La Mirada, California-based Amada Machinery America Inc., which features its pulse cutting technology.
“Tony basically pointed us in the right direction,” Sanchez says. “He talked to us about the Amada saw with pulse cutting technology and highlighted the efficiency gains, blade life improvement, cut quality and cost savings that the saw could deliver. And his recommendation proved right. The upgrade has provided measurable improvements in productivity, efficiency and consistency.”
OMAR SANCHEZ, PREMIUM ALLOYS
Instead of running at one constant rate, pulse cutting technology varies the blade speed during the cut, and the pulsing speed breaks up chaffer-causing harmonic vibration, reduces the heat and allows blade teeth to engage the workpiece more effectively, Sanchez explains. “The result is faster penetration on tough alloys, improved blade life, straighter cuts and a better surface finish. Overall, the pulse cutting technology just helps the saw be that much more efficient.”
Amada reports that pulse cutting technology reduces cutting resistance, dramatically improving cutting rates. The 20-hp PCSAW530X uses a 2-inch blade, and the cutting feed is controlled by a hydraulic flow control valve with a stepping motor.
With reduced vibration and chatter when sawing, Sanchez adds that the noise level is also lower. “Everybody in the warehouse definitely appreciates it.”
Premium Alloys saws with carbide-tipped blades, and he estimates that blade life has improved by 25 percent, depending on the workpiece material. “We’ve seen a noticeable improvement in blade life since implementing the new saw, though exact gains vary by material.”
Amada’s line of pulse cutting saws includes the PCSAW330, PCSAW430X/AX, PCSAW530X/ AX and PCSAW720, and the latter model comes standard with vibration reduction rollers.
SEEING SAWING
The machine features a blade deviation monitor to provide real-time visibility into blade performance during each cut, which Sanchez says helps ensure cut consistency and reliability. The service center targets a standard tolerance of 1/8 inch, with the capability to cut that in half if needed, and if the blade starts cutting out of square and deviates by more than an 1/8 inch, the saw automatically cuts off to indicate a problem. “In a situation when a job is cutting overnight, if a problem were to occur, instead of having several pieces out of square, the blade deviation feature will only allow for only one bad piece.”
Having that capability provides Premium Alloys with peace of mind when tackling large jobs of 200 to 400 pieces while performing unattended sawing outside of its regular 7 a.m. to 4 p.m. manned shift, Sanchez says. When the saw is set up to run lights out, the speeds and feeds are reduced by 15 to 20 percent, a safety buffer that trades a small amount of cycle time for greater stability and peace of mind. “The machine will run through the entire night, and when we come in the next morning, it’s still running without any issues.”
Previously, running a conventional band saw unattended created a risk to both accuracy and consistency, especially when a tight tolerance must be held, he adds. “We’re now processing orders overnight with confidence. That helped expand our capacity without adding labor, which helps us in return to stay competitive with our pricing.”
Sanchez notes that Premium Alloys has not had any problems with the Amada saw, and maintenance on the relatively new saw is minimal, such as making sure the coolant and hydraulic oil levels are correct.
To enhance the efficiency of the pulse cutting saw, Sanchez says the company purchased 10-foot in-feed and out-feed conveyors.
Because Premium Alloys was able to get significantly more productivity out of the PCSAW530X than the company initially imagined, it purchased an additional one in the middle of this year. “We have one in operation, and then we have another one in the box that we will be looking at putting into operation sometime next year,” says Sanchez.
Amada Machinery America Inc., 800/877-4729, amadamca.com
Premium Alloys, 713/300-9583, premiumalloys.com
