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Leading Manufacturer, Supplier & Retailer of cnc milling, CNC Turning, Custom Sheet Metal Sub Assembly, Trucking Metal Brackets Heat Treatment and Fabrication of Boss Weldment for the Construction Industry.

cnc milling

Featuring state-of-the-art CNC milling services, Z&L Machining, Inc offers superior turnaround and efficiency for your milling projects through a full palletized loading capacity with tombstones and sub-plates. This completely automated system allows our machines to run unattended longer, getting your finished milled parts to you faster. Equipped with full, three-axis vertical and horizontal machining capabilities, our milling services feature dimensional capacities of 60" x 30" x 30" for VMC work, and 40" x 30" x 24", w 1 degree indexing, for HMC work. Maintaining accuracy as a benchmark of quality, our milling services offer tolerances as close as ±0.001" on all part dimensions. With the ability to handle all of our clients' demanding production requirements, from prototype runs to high volumes, our CNC milling services have successfully met the needs of multiple industries, ranging from agricultural to heavy truck components. For more information about our CNC milling capabilities,

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CNC Turning

At Z&L Machining, Inc., our CNC turning services feature full two axis CNC lathes with an auto bar feeder that can handle part diameters up to 1.75". Capable of holding a ±0.001" precision tolerances on all part dimensions, our advanced turning services also offer a 22" chucking capacity. With a maximum 48" between centers, our equipment can handle a versatile range of part sizes. At Z&L, our CNC turning services are suitable for a broad variety of materials, including steel, stainless steel, hardened steel, aluminum, brass, bronze, and plastics. Our services cover all types of applications, including numerous machine, engine, and hydraulic components, and a wide range of additional parts, such as flanges, shafts, pins, and fittings. In addition to our core CNC turning services, we also offer a variety of in-house secondary service options, ranging from assembly and drilling to centerless grinding, heat treating, plating, and welding. Providing advanced CNC turning operations and a host of additional service options, we invite you to contact Z&L today to inquire after our superior machining

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Custom Sheet Metal Sub Assembly

t Z&L Machining, Inc. we specialize in the production of conveyor welded sub assemblies for agriculture, mining, and food processing plants. With our advanced sheet metal and sub assembly fabrication services, we also perform superior tube welding and fabrication for frame assemblies. We possess a large range of fabrication machinery, including a 100 ton press break with 120 inch bed. We can work with metals measuring from twenty four gauge up to three inches. Offering a variety of additional services, such as consulting and rapid prototyping, Z&L offers superior sheet metal and sub assembly fabrication operations. To learn more about our advanced machine capabilities and services, contact Z&L today!

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Agricultural Industry Machined Steel Flange

A client from the agricultural industry approached Z&L Machining, Inc. to produce a flame cut and machined steel flange. We began the process by flame cutting the rough size of the 160mm X 12mm Exten 50 steel flange. Then, using the latest Mazak CNC lathe and Okuma CNC mill, Z&L faced both sides of the flange and then drilled and deburred 9 holes into the entire order of 360 steel flanges. We finished product with yellow dichromate zinc plating that had a .00032" minimum thickness. As always, we met our clients exacting standards and all of our work was done within tightest tolerances of +0.190mm-0.075mm. For more information about these machined steel flanges or any of Z&L Machining Inc.'s outstanding services please contact

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Construction Hardened Steel Pins

Z&L Machining Inc. was approached by a Tennessee-based company to custom manufacture hardened steel pins specifically designed for a heavy construction equipment application. To fill this order, we used a detailed and exacting five step process that took advantage of our state-of-the-art equipment including a Kasto saw, Hey centering machine, Mazak CNC lathe and mill and a Cincinnati twin grip centerless grinder. Each of the 57.3 kg pins was made using hot rolled 4140 heat-treated steel within tightest tolerances of +0"-.0014". o guarantee the highest quality product, we went through extensive testing and inspection process that included the use of a micrometer, calipers, gage pins, hardness tester and profilometer. To learn more about how we manufactured these hardened steel pins see the details below. For information about any of our other outstanding services and products please contact Z&L Machining Inc.

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Trucking Metal Brackets Heat Treatment

Z&L Machining, Inc. was approached by an Illinois based truck manufacturing company to cast and heat-treat metal brackets. To complete the order, we attained heat-treated, austemptered, ductile iron castings which were primed in black. We then took the castings and drilled holes, deburred and milled flats and spotfaces using a Mazak H630 CNC mill. We were able to complete ten, 10.250" x 8.50" x 4.25" metal brackets all within tightest tolerances of +- .010". To ensure the best quality, Z & L tested and inspected the brackets using a hardness tester, micrometer, caliper and a CMM. If you want to learn more about this metal bracket or any of our other projects, please contact Z & L Machining or read the detailed specs below.

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Fabrication of Boss Weldment for the Construction Industry

A heavy construction equipment company from Georgia came to Z&L Machining, Inc. to fabricate a steel boss weldment. To fill this order, Z & L started with hot rolled 1026 steel tubing and steel forging. The tubing was cut to a length of 10.750" ±.020" using a Kasto saw. Then we utilized our high quality Mazak CNC lathe to face, bore and chamfer both ends of the tube. Finally, we welded the bosses to the tube using a Miller MIG welder. Each of the 98 lbs. steel weldments was tested with a caliper and is within tightest tolerances of +- .008" OAL. If you need more information about these unique, steel weldments see the project highlights below. If you want to create your own custom weldment please contact Z & L Machining, Inc. today.

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Food Service Custom Fabricated Stainless Steel Frames

A food service industry client approached Z&L Machining, Inc. to custom fabricate a stainless steel frame. The customer-supplied print and 2D CAD drawing made clear that the Illinois-based company was in need of an 8 ft L x 2 ft. W x 3 ft. H stainless steel frame. We used state-of-the-art equipment (Kasto Cold Saw, Okuma CNC Mill, Okuma CNC Lathe, Bridgeport Mill, Hardinge Lathe, Miller TIG Welder) to saw cut, laser cut, mill, turn and weld 130 lbs. of 304 stainless steel tubing and bar. A #4 polish was added and the frame was tested and inspected using a number of different and exacting processes (caliper, micrometer, tape and square). To learn more about this stainless steel frame see below for details. If you want more information about our outstanding custom fabrication services please contact Z & L Machining, Inc.

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Heavy Construction Equipment Welded Bracket

A Tennessee-based construction equipment company approached Z&L Machining, Inc. to manufacture welded brackets. These brackets of laser cut and hot rolled 1018 steel bar stock were to be used within a weldment for heavy construction equipment. The brackets were saw cut to a length of 4.331" ±.020" using a Kasto saw. They were then drill, tapped, and deburred with an Okuma CNC Mill. Finally, the seats were welded to the HR A-36 plate with a Miller MIG welder. Each 2.73 lbs. bracket was then tested and inspected using calipers, thread gages and a CMM. Using these top of the line machines, processes and testing, Z&L was able to create a run of 1, 400 brackets within tightest tolerances of +.005 -.003". For more information about these welded brackets or any of Z&L Machining Inc.'s other projects please contact us or see the details listed below.

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Agricultural Industry Flame Cut Flange

A client from the agricultural industry approached Z&L Machining, Inc. to produce a flame cut and machined steel flange. We began the process by flame cutting the rough size of the 160mm X 12mm Exten 50 steel flange. Then, using the latest Mazak CNC lathe and Okuma CNC mill, Z&L faced both sides of the flange and then drilled and deburred 9 holes into the entire order of 360 steel flanges. We finished product with yellow dichromate zinc plating that had a .00032" minimum thickness. As always, we met our clients exacting standards and all of our work was done within tightest tolerances of +0.190mm-0.075mm. For more information about these machined steel flanges or any of Z&L Machining Inc.'s outstanding services please contact

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Custom Sheet Metal Sub Fabrication

t Z&L Machining, Inc. we specialize in the production of conveyor welded sub assemblies for agriculture, mining, and food processing plants. With our advanced sheet metal and sub assembly fabrication services, we also perform superior tube welding and fabrication for frame assemblies. We possess a large range of fabrication machinery, including a 100 ton press break with 120 inch bed. We can work with metals measuring from twenty four gauge up to three inches. Offering a variety of additional services, such as consulting and rapid prototyping, Z&L offers superior sheet metal and sub assembly fabrication operations. To learn more about our advanced machine capabilities and services, contact Z&L today!

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Trucking Metal Brackets Casting

Z&L Machining, Inc. was approached by an Illinois based truck manufacturing company to cast and heat-treat metal brackets. To complete the order, we attained heat-treated, austemptered, ductile iron castings which were primed in black. We then took the castings and drilled holes, deburred and milled flats and spotfaces using a Mazak H630 CNC mill. We were able to complete ten, 10.250" x 8.50" x 4.25" metal brackets all within tightest tolerances of +- .010". To ensure the best quality, Z & L tested and inspected the brackets using a hardness tester, micrometer, caliper and a CMM. If you want to learn more about this metal bracket or any of our other projects, please contact Z & L Machining or read the detailed specs below.

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  • Paul Benz
  • Waukegan, IL 60085 map, United States