LJUNGSTRÖM’s Custom Manufacturing Solutions is ready to quote:
WELDING AND HEAVY STEEL FABRICATION
LJUNGSTRÖM’s Custom Manufacturing Solutions can handle large fabrications projects, from one-off parts to serial production. We support prefabrication and welding efforts for individual customer orders to large companies. From heavy ash coolers to custom blades, we can handle big or small orders to support every customer’s needs.
Our 4th generation craftsmen can weld carbon steel, Inconel, 300, and 400 series stainless steel and abrasion-resistant materials.
With multiple weld positioners (up to 30 tons) and positioning rollers (up to 90 tons) we can safely rig and handle fabrication for our customer’s applications and needs.
All our of welders are qualified AWS D1.1, ASME XI, or ISO-3834-2, as required by our customers. Welding processes include:
SMAW - Shielded Metal Arc (Stick)
SAW - Submerged Arc (Subarc)
GMAW - Gas Metal Arc (Mig)
GTAW - Gas Tungsten Arc (Tig)
FCAW - Flux Cored Arc
ESW - Electroslag
SW - Stud Welding
Robotic Welding
Aluminum (GMAW or GTAW)
MACHINING
LJUNGSTRÖM offers a wide variety of manual and CNC Machining services. Our fleet of machinery currently numbers 40 machine tools with accuracy to 0.0005”. These include name brands like Mazak, Samsung, Okuma, Ingersoll, Asquith, Dorries, LeBlonde, Blanchard, and Giddings & Lewis. Machining that we offer includes:
Horizontal milling to 40’ long, 26’ high, and 30’ deep. Workpieces to 100 tons
Vertical Turning to 20’ in diameter and 10’ tall. Workpieces to 75 tons
Planer (gantry) milling to 8’ wide, 20’ long. Workpieces to 50 tons
Horizontal turning to 84” diameter, 40’ long. Workpieces to 100 tons
In addition to the fleet of very large machine tools, above, we offer multiple machine tools in each machining category:
Horizontal Mills – (7) total
Vertical Boring Mills – (6) total
Vertical Boring Mills with live drilling/milling spindles – (2)
Horizontal Machining Centers
Vertical Machining Centers
Horizontal Lathes with live 5th axis drilling/milling – (3) total
Horizontal Lathes with 2 axis movement – (4) total
Hydraulic keyway broaching up to 3” wide
Deep hole (gun) drilling up to 3” diameter and 8 feet deep
Blanchard surface grinding up to 48” diameter
PREFABRICATION
Our prefabrication department has few limitations. Being at the forefront of heavy manufacturing begins with heavy machinery that’s ready to take on the biggest challenges and offer practical solutions!
1250 tons with 16’ bed size (qty 1)
1000 tons with 10’ bed size (qty 1)
250 tons with 10’ bed size (qty 3)
Press Punches Verson 150 tons (bed size 4’ x 4’) and Niagara 200 tons (bed size 4’ x 4’) for multiple (serial) production parts
Laser Cutting and Plasma/Oxy Fuel Burning:
4000-watt Mazak Optiplex Fiber laser up to ¾” carbon steel cutting and ½” Stainless with automated feed system
1500-Watt Mazak Laser
CNC Plasma/Oxy Fuel Burn table accommodates sizes up to 20’ X 50'
Shearing, Rolling, and Structural Rolling:
Up to ½” thick and 16’ wide
1.5” thick by 12’ wide
.375” thick by 6’ wide
Numerous shapes including angles, tee bars and bars with up to 6” x 6” x 7/8” rolling the hard way
Saws:
Up to 18” x 18” with mitering heads
THERMAL STRESS RELIEVING, BLAST & COATING SYSTEMS
LJUNGSTRÖM is committed to supporting customers with quality heavy fabrications that require thermal stress relieve operations with two sizeable thermal stress relieve ovens. Our abrasive blast (up to SPCC10 near white blast) and painting ensure our customers get surface preparation and paint all under one roof!
Thermal Stress Relieve Ovens
Up to 1200˚F
15’ wide x 12’ high x 28’ deep
10’ wide x 10’ high x 10’ deep
Cart capacity of 80 tons
Abrasive Blasts (Multi Medias used):
30’ x 16’ x18’ booth with 80 tons cart capacity
6’ x 7’ booth with an automated blast
Open Air Paint:
20’ x 60’ area
OSHA Compliant downdraft system
SUBASSEMBLY (MECHANICAL ASSEMBLY)
In addition to an impressive fabrication facility, we also have a dedicated assembly area fully stocked with tools and testing equipment. With our skilled craftsman, rebuilding used equipment is also a specialty that sets us apart.
Hydro testing to 1000 PSI
Qualified torque tightening with formal procedures
Induction heating and installation of bearings
Heating oven and freezer for interference fit installations
Gear installation with pattern adjustment
Contact lapping of extensive interfaces
Construction of complete lubrication systems
Spur bevel and worm gearing mechanical systems
Drive system
Copper coil heat exchanger for gearboxes
Weld in ceramic tiling
Installation of Hardox wear liners
Formal procedures for Riveting operations
We also accept used machinery requiring to rebuilt. We can disassemble, inspect and estimate cost of repairs and upon approval of the customer proceed with the complete rebuild. Common customer parts for inspection and rebuild include:
Crushers
Journal assemblies
Gear reducers
Oxidizers
CONTROL PANELS
LJUNGSTRÖM has a control system and engineering group dedicated to supporting customer products from conception through panel completion. We can engineer, design, build and test panels before shipment to you.