Content tagged with "sawing"
Results: 24
Article
November 4, 2009
Band saw blade basics
Figure 1 Be sure to select a blade that is suitable for performing interrupted cuts on structural materials. This will help minimize force and stress on the blade's teeth, which will help prevent tooth breakage. Photos courtesy of The L.S. Starrett Co. Welders constantly confront... Read more...
Article
September 1, 2009
Learning to adapt
Although Production Cutting Services initially focused on saw-cut parts, these days it also provides machined (right) and laser-cut (left) parts. It also learned the ins and outs of drilling and plasma cutting. Manufacturing isn't the same today as it was two and a half decades ago. CNC... Read more...
Article
March 11, 2008
Service center fabricates its future
These are interesting times in which metal service centers find themselves. Many are finding that they have to offer some level of fabricating services to help them stand out among other metal distributors. They have seen dramatic consolidation on the mill side and are wondering if the mills... Read more...
Article
December 11, 2007
Sawing with the times
Steel is all around us. It's in the cars we drive, the bridges we cross, and the buildings we live and work in. The unique strength properties and overall versatility of steel have made it the material of choice since it was adopted by the construction and fabrication industries nearly 150... Read more...
Article
November 6, 2007
Making the most of your saw blade
Heat and vibration are the biggest enemies of any band saw application. The symptoms are easily defined, but it's much more of a challenge to diagnose why heat and vibration occur. Proper diagnosis through observation is essential to optimize blade performance and life. When the machine is in... Read more...
Article
July 10, 2007
Better safe than saw awry
Kirsan Engineering's saw loader has eliminated the need for a jib crane and a hoist. Lift trucks now deliver the barstock and tubing to its two Amada HA250 band saws with automatic feed. Safety is the most important, and most often the least appreciated, aspect of manufacturing. Simply put,... Read more...
Article
June 12, 2007
Sawing? Cool it.
A quality, properly mixed and maintained sawing coolant helps increase cutting rates, improve the cut finish, and extend blade life.
Nearly every metal sawing operation can be made more efficient with a quality sawing coolant that is properly mixed and maintained. Coolants also improve... Read more...
Article
April 10, 2007
High-speed cutting, end-finishing
Tube fabricator Leading Edge Hydraulics, Rockford, Ill., supplies hydraulic tube components to the off-road and construction industry segment. The family business grew rapidly since its decision in 2003 to concentrate on hydraulic tube fabrication, rather than on general-industry tube... Read more...
Article
November 7, 2006
Material separation anxiety
The structural materials that welding and fabrication shops must saw are more abusive to band saw blades than any other metal sawing application, but paying attention to band selection, band speed, feed rate, coolant, and maintenance can minimize the abuse. Band sawing square tubing, round... Read more...
Article
July 11, 2006
Angling for a good cut
Many manufacturers that experience sawing problems might not realize that proper maintenance and appropriate sawing practices can help eliminate some of them. A frequent problem involves angle cutting on band saws. Most fabricators that make angle cuts are doing so on mild steel tubing... Read more...
Article
June 13, 2006
Cutting right to the point
Increasing knowledge and on-the-job experience regarding the uses of a circular saw blade has changed the way metal fabricators view the tool as well as uncovered expanding efficiencies gained through its use. Metal cutting circular saw blades are designed to boost productivity for... Read more...
Article
December 13, 2005
Creating an efficient offline band sawing system Part II
Editor's Note: This is the second article in a two-part series on offline band saw cutting. Part I focuses mainly on material handling and includes some related information on sawing. Part II focuses solely on saws and sawing. Answering a few of the most commonly asked questions can... Read more...
Article
December 13, 2005
Creating an efficient offline band sawing system
Editor's Note: This is the second article in a two-part series on offline band saw cutting. Part I, which appeared in the September issue, focused mainly on material handling and included some related information on sawing. Part II focuses solely on saws and sawing. Answering a few of... Read more...
Article
October 11, 2005
Creating an efficient offline band sawing system Part I
Editor's Note: This is the first article in a two-part series on offline band saw cutting. Part I focuses mainly on material handling and includes some related information on sawing. Part II focuses solely on saws and sawing. This first step in setting up an offline band sawing... Read more...
Article
December 7, 2004
Preventive maintenance on sawing equipment
Practicing regularly scheduled preventive maintenance on band saws can help maximize sawing center productivity by lowering costs, downtime, and frustration. It also decreases the need to contract outsiders to finish jobs. With preventive maintenance, machine and blade life increase, and... Read more...
Article
November 9, 2004
Selecting a tube cutting process
Tube fabricators use a variety of methods—sawing, lathe cutting, rotary cutting, supported shear cutting, dual-blade shear cutting, and laser cutting—to cut tubing from mill lengths into shorter pieces for use in final fabrication. No single method is optimal for cutting the... Read more...
Article
October 12, 2004
Optimizing consumable life in mechanized plasma cutting
Manufacturers of mechanized plasma cutting systems are focused on developing new technologies to meet three key market needs: Improved cut quality and consistency Increased cutting speeds and material thickness capabilities Increased consumable life Together, these three focus... Read more...
Article
May 4, 2004
Pursuing a plate-cutting saw
Metal Cutting Service's custom-made saw has a built-in laser that aids setup. The nature of the company's business shifted substantially during the 1990s. To adjust to the changes, Viel recognized that the company would need to research, specify, and purchase a new saw. He also... Read more...
Article
October 9, 2003
Band sawing bundled shapes
While band saw users bundle stock to cut more pieces per shift, they lose 40 to 50 percent of their sawing efficiency cutting the air between workpieces. Blade life also is reduced as much as 25 percent when cutting rectangular steel tube, pipe, and other bundled shapes. However,... Read more...
Article
April 24, 2003
Boatmaker finds new saw for trailer production
Recently the company wanted to increase the efficiency of its trailer-building operation. Specifically, this entailed replacing a 20-year-old sawing machine plagued by performance that was no longer satisfactory, broken blades, and poor tolerances. "We were looking for a saw that was... Read more...
Article
September 4, 2001
Putting a spark into cutting productivity
Figure 1 There are many ways to cut sheet, plate, tubing, and structural shapes, ranging from a hand hacksaw to power shears and lasers. The best choice depends on the situation at hand, but the goal always is to achieve the best cost, quality, and schedule results. While... Read more...
Article
June 13, 2001
Material Handling on Squaring Shears
Often it is thought that to get more production from a shearing operation, another shift, or even a new shear must be added. However, because of a lack of funds, personnel, or floor space, a new shear is not always the answer. The basics of a productive shearing operation are often overlooked.... Read more...
Article
April 24, 2001
Article
April 24, 2001
Increasing productivity on your cutoff saw
If you are sawing tube or pipe in substantial quantities, you most likely have a cutoff saw to do the work. As with all of your machinery, your goal is to get the most out of it, and that takes some special consideration. Tubes and pipes are hollow workpieces, so each cut consists of three... Read more...
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