Electromagnet drum separators are found in most auto shredders, mills and mines. They are primarily used to attract ferrous metals. The drum rotates while the shaft and the magnet coils stay put. The rotational speed of the drum synchronizes with the conveyor belt speed. The drum attracts the ferrous metals to separate from other material […]
CMT’s large yellow scrap magnet goes from White House to Hollywood
Can a large scrap yard magnet wreak havoc on a computer hard drive like it did in the tv show Breaking Bad? Find out on MythBusters Jr on the Discovery Channel Saturday, February 9, 2019, at 9 a.m. The City Machine Technologies Inc. large yellow scrap magnet that was on the South Lawn of the […]
Scrap yard lifting magnet: From White House to Hollywood
The same 3,500-pound yellow scrap yard magnet from City Machine Technologies, Inc. that was on the South Lawn of the White House for the Made in America Product Showcase in July 2018 will be on the upcoming episode of MythBusters Jr on the Science Channel Wednesday, February 6 at 8 p.m. The MythBusters Jr crew […]
The hows and whys of lifting magnets
Science Lesson #1: What’s a lifting magnet and how does it work? A magnet is really just a string of wire wrapped around a magnetic core. This string of wire has resistance we call ohms that govern what current, also called amps, flows at a given voltage. All DC magnets obey Ohm’s law and most […]
CMT is attracted to scrap yard lifting magnets
A scrap yard lifting magnet does just that: pick up or lift metal objects. Scrap yard lifting magnets have magnetic properties in the electrified coil and are normally attached to a crane. The crane then positions the magnet above the objects and the magnet is energized. Besides scrap yards, lifting magnets are also used in […]
CMT honored to Showcase Scrapyard Lifting Magnet at White House’s Made in America Product Showcase for 2018
On Monday, July 23, 2018, President Donald J. Trump highlighted American-made goods at the White House during the Made in America Product Showcase. One company was selected from each state to represent American-made goods at the White House. Youngstown-based City Machine Technologies (CMT) displayed a scrapyard lifting magnet at The White House as part of […]
Opening the door to CMT’s scrap magnet shop
Need a scrap magnet rewound or serviced? CMT’s scrap magnet shop is experienced in the design, rewind, manufacture and service of any scrap magnet or separator roll. CMT’s scrap magnet shop is 17,000-square-feet with cranes to 15 tons. A full operational test is performed on every scrap magnet we manufacture or rebuild. Our attractive force […]
Big, yellow and new: Reasons to buy a new scrap magnet
While CMT tries first to repair a scrap magnet, sometimes magnets are so badly damaged, they are deemed uneconomical to repair and are replaced with new, rebuilt or used scrap magnets. City Machine Technologies, Inc. brought its own unique line of newly designed scrap magnets to market in 1998. Our design supplies the customer with […]
Lifting magnets: Carry the weight of the world
Industrial lifting magnets, also called scrapyard magnets, lift the world. They can be found in steel mills, scrap yards, shipyards, stamping plants or anyplace where metal needs to be moved around. These devices are basic work horses that pick up steel and place it where it needs to go. They are made in round and […]
Tips and tricks of the trade: Extending the life of a lifting magnet
Extend the operating life of a lifting magnet with these few tips. Inspections Always using your magnet? Put a monthly inspection at the top of your list. Just using your magnet a couple times a day or week? Inspect it quarterly. What to look for? Cracks in any of the major components or in any […]