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Monthly Archives: February 2015

About Bandsaw Worm Gears

Worm gears are used when large gear reductions are needed. The set-up allows the user to determine rotational speed and also allows for higher torque to be transmitted. Many worm gears have an interesting property that no other gear set has: the worm can easily turn the gear, but the gear cannot turn the worm. This is because the worm angle is so shallow that when the gear tries to spin it, the friction between the gear and the worm holds the worm in place. The three different types of worm gear are: No throat –  a straight worm without a groove …

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Bandsaw Mist System Coolant

Most metal sawing operations can become cost-effective with the use of the proper mix of coolant on a well maintained bandsaw. Proper coolant usage improves cutting rates by balancing the combination of cooling and lubrication of the blade. Quality coolant improves the cut finish and can extend blade life by as much as 20%. The sawing operation generates extreme heat when chips are sheared from the material and from the friction of metal-to-metal contact at high speeds. Using a coolant — flood-applied or mist — reduces the heat generated by these sources. Coolant also prevents metal chips from welding to the tooth …

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How Band Wheels Affect Cut

Band wheels provide tracking and support bandsaw blade tension. The wheel supports the blade in order for the blade to cut the material straight. Incorrect band wheel usage may result in cutting operation complications. Bandsaw machines run with two wheels: the idler wheel and the drive wheel. The idler wheel transfers the motion or guide and supports the drive wheel while the drive is the portion of a bandsaw’s pulley-like drive system that propels the blade forward. These two wheels revolve continuously inside a bandsaw machine to help keep the cutting operation in progress. If not properly maintained, band wheels will cause problems. …

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Preventing Saw Blade Fractures

There are several reasons why bandsaw blades fail. Weld breakage is generally thought of as a manufacturer problem. The required length of band is cut from a coil and then welded together at both ends. Most weld centers follow the same procedure in creating bandsaw blades. It is important to assure that the two bands are tightly joined to avoid blade fracture at the weld. Simple adjustments to your bandsaw will put an end to blade problems. Bandsaw operators should be knowledgeable in order to prevent such problems. Common ways for an operator to prevent blade breakage include: Accurately setting …

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Bandsaw Maintenance

In order to secure high operational equipment and money, bandsaw maintenance, preventive and corrective, are essential for cost-effective and prolonged use of any bandsaw machine. Bandsaws are the most widely used machines in the metal and wood cutting industries because of their efficiency, versatility, and power. Bandsaw operators should be knowledgeable of specific checkpoints in order to perform proper preventive maintenance. No preventive maintenance area on any machine should be overlooked. Daily bandsaw maintenance needs to include chip clean-up and debris removal, and the blade, chip brush, and guides need to be inspected for wear. Daily inspection of fluids, lubricants, and any …

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Preventing Weld Breaks

There are ways to prolong bandsaw blade life and avoid weld breakage. All bandsaw blades are welded or soldered. A strip of teeth are cut to length and welded to make a loop. Sometimes, the saw blade will break at this weld. A break is the result of an improper weld, or that there is too much tension on the bandsaw wheel, or even that a bad quality blade predisposed to such a break was purchased. Weld breakage is common, and questions a vendor may ask include whether or not proper blade tension was applied, what size and type of material was being cut, and had …

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Q905 Series Rip Portable Mill/Resaw Blade

The Q905 Series – Rip Portable Mill and Resaw Blade is a bandsaw blade that is primarily used for resaw purposes, ripping, and wood processing application. This blade is just one of the new materials that Sawblade.com has to offer. Resaw application is commonly found in wood shops. It is a process of cutting boards or logs into thinner pieces of material. Most woodworkers prefer using a bandsaw instead of a circular saw for most re-saw and/or wood cutting applications. Unlike a circular saw, a bandsaw does not cause kickback. Minimum loss and efficient cutting operation/ finish are achieved due to a bandsaw’s narrow …

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M42 601 Bandsaw Blades

A bi-metal bandsaw blade that covers the broadest range of sawing applications and materials, the M42 601 Series bandsaw blade is suitable for everything from production cutting to general purpose sawing. The assembly technique used to create the M42 will guarantee top cutting performance time and again. Aggressive tooth geometries coupled with M42 high-speed steel tooth tips attached to a fatigue-resistant backer help to make it general-duty durable. The Haltbar 601 M42 Bandsaw Blade is an inexpensive blade that offers an accurate cut as well as being durable enough to outlast other saw blades, making it ideal for cutting a wide range of alloys. The …

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The H90 Bandsaw Machine

The HEM H90 Bandsaw is a semi-automatic machine that will out-perform other bandsaws in many ways. The evolution of technology has played a large role in the evolution of bandsaw machines. HEM technicians used the latest technology to design the H90, which can be left to run unattended, making the operator’s job more efficient and productive. HE&M Saw (HEM) has completely eliminated the guesswork that used to be required to achieve productive and efficient cutting performance. Many cutting houses, machine shops, fabricators, and start-up steel warehouses are discovering the advantages of having modern equipment, which the HEM H 90 Bandsaw Machine provides. Standard features …

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M42 High Speed Steel

High Speed Steel, categorized as tool steel, is commonly used to cut tool bits, power saw blades, and bandsaw blades. Tougher than its predecessor, carbon steel, HSS is more tolerant of higher temperatures without compromising on hardness. This property allows for faster cutting rates than high carbon steels and why it is named high speed steel. There are three categories of HSS: M2, M35, and M42 steel. Of the three, M42 is widely used in the metal forming industry because its chemical composition is specially engineered for high hardness and superior hot hardness compared to the more conventional high speed steels. Properties that make M42 the better choice …

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