HIGH QUALITY CONVEYOR SYSTEMS
Omega Castings has and continues to design special-purpose links for cast-link belt furnaces. The size and pitch of these links vary with the expected end-use. Thus, two-inch, three-inch, four-inch, six-inch, and soon, five-inch pitch links are, or will be, part of the standard selection available.
The P-448 is a four-inch pitch, three-inch-wide link and is assembled using a three-quarter-inch diameter pin. By test, this link is the strongest of our four-inch pitch group and fractures under load at room temperature at thirty-five thousand p.s.i. Fractures through the end bearing walls are the mode of failure. We machine these links through the end bearing holes to remove draft and establish a true in-pitch surface for pin engagement. The links, when assembled, have a twenty-thousandths clearance with adjacent links at room temperature and a twelve-thousandths clearance at operating temperature.
The ML-448 is a four-inch pitch, three-inch-wide link but is an interlocking type; that is, the lugs at one end of the link fit into the larger hole at an adjacent link. The lug surfaces and large hole bearing surfaces are machined to remove the draft and establish proper pitch. A five-eighths diameter pin is inserted through the smaller lug hole to hold the links together, side by each, and maintain the proper fit relationship with adjacent links. These links maintain a twenty-thousandths clearance at ambient and twelve-thousandths clearance at operating temperature. An additional feature of this link is its tubular design.
These links, when used in atmosphere furnaces employed for neutral hardening, as well as deep case hardening, it is anticipated that the furnace will, from time to time, be subjected to a "burn-out cycle" to reduce carbon buildup. The ML-448 link has a slot in the tubular portion of the link to facilitate air circulation within the tube body, thus accomplishing the desired burn-out.
When subjected to tensile testing, the ML-448 link fractures at twenty-nine thousand p.s.i. at ambient temperature. The failure mode is the fracture and tearing of the lugs.
The L-448 is a four-inch pitch, three-inch-wide link and is an interlocking type, also. It is a "T-section" link and preceded the ML-448 tubular link in design. The link is machined in the same manner as the tubular link, with much the same results. However, the link cannot be properly "burned out," as there is no aperture to facilitate airflow into the internal lug area. When subjected to tensile testing, this link fails at nineteen thousand p.s.i. The failure mode is the fracture of the large hole-bearing wall.
The L-448 link is slightly lighter than the ML-448 and, thus, is less expensive to produce. The best use for this style is in furnaces with less than sixty pounds load per square foot, non-atmospheric or open flame in operation.
The P-664-L is a six-inch pitch link slightly less than four inches wide and assembled using a three-quarter-inch diameter pin. This link is a pintel variety, in as much as each link follows the preceding link in the assembly. This type of link can be used in solid belt construction or "carrier belt" construction. Carrier belts include single rows of links held in position with washers welded to the pins to maintain separation. The row count in a belt depends on the desired width of the final belt. Most rows are separated with a gap of eleven inches or less and facilitate a mesh belt overlay. Furnaces with carrier belts are often used in draw or tempering furnaces, whereas furnaces with solid construction belts are often used for hardening applications.
The P-664-H is a six-inch pitch link, four inches wide and assembled with one-inch diameter pins. It is also a pintel variety and is used in solid belt assemblies. Its principal use is in hardening or annealing furnaces that process heavy forgings or castings.
The P-324 is a three-inch pitch, one-and-one-half-inch-wide link and is assembled with other like links using one-half-inch diameter pins. These links are used in furnaces with lighter load applications and, in many cases, for specific parts that require manual or robotic loading and unloading. This type of link was first used in the earliest cast-link belt furnaces (circa 1930's) and is still used in a number of smaller furnaces today. Beyond our standard design, we have many three-inch pitch designs for particular purposes, and all designs use solid belt construction.
The P-564 is a five-inch pitch link, four inches wide and assembled with 5/8th inch diameter pins. It is also a lug style used in solid belt assemblies. In our latest design, taking advantage of our 40 years of experience, the belt is fully compatible with all manufacturers' five-inch pitch drive drums. Its principal use is in hardening or annealing furnaces that process heavy forgings or castings.
Are you an OEM with a custom application or an end-user with a problem that needs a solution? We can help. Omega Castings, Inc. has a history of helping our customers engineer custom conveyor systems that fit their purpose and budget.
Contact Us today with your heat-resistant, high temperature, cast alloy furnace part needs. Our staff can help you select the correct parts or engineer and then fully cast the high-quality alloy parts for your specific application.
In 1975, Omega Casting's founding mission was to produce alloy castings and assemblies with superior metallurgical and dimensional integrity and to deliver those castings and assemblies in a timely manner to our customers at a competitive cost. (READ MORE)
In the ever-more-competitive global marketplace having a furnace operating at top efficiency is not only important, it is essential. For this reason Omega has developed and pioneered the synchronized drive technology that allows for more furnace load capacity... (READ MORE)
After running several companies, Robert Cutshall founded Omega Castings, Inc. in 1975. It was during a gas shortage and Battle Creek, Michigan was picked as a location due to its natural gas reserves. Locating in Battle Creek assured that there would be fuel to run... (READ MORE)
