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500 Ton Lamination Press with 3 Connecting Arms: Balanced Force for High-Precision Motor Lamination Stamping

Every electric motor, generator and transformer begins with a stack of thin steel sheets, and every sheet has to be stamped accurately. The ELMALI 500 Ton Lamination Press with 3 Connecting Arms is a special press built for exactly this demanding job. According to the listing, it distributes the pressing force through three connecting arms to keep the slide level and the die parallel, so that laminations stay accurate and burr-controlled stroke after stroke.

Quick Product Facts

• Product: 500 Ton Lamination Press with 3 Connecting Arms
• Manufacturer: ELMALI Machinery, Konya, Türkiye
• Category: Metal Processing
• Type: Special press for lamination stamping
• Capacity: 500 tons, approximately 4.9 MN of pressing force
• Drive: Three connecting arms for balanced, multi-point force transmission
• Visible details: Blue crown, light grey frame, wide opening and two floor-standing control stations

What Is a Lamination Press?

A lamination press stamps thin sheets of electrical steel into the flat shapes that are later stacked to form the cores of motors, generators and transformers. Industry sources explain why the sheets are thin: thin layers limit eddy currents, which would otherwise waste energy as heat in a solid core. Typical motor laminations are only a few tenths of a millimetre thick, and a stack can hold from tens to hundreds of layers.

Stamping this material is demanding. Sources on motor laminations point to tight dimensional tolerances, low burr height so that stacked layers sit flat and keep consistent air gaps, and an insulation coating between layers that the process must not damage. The press therefore has to deliver steady, repeatable force and keep the die aligned from the first stroke to the last.

Why Three Connecting Arms?

In a mechanical press, connecting arms carry the drive motion to the slide. With a single point of force, a wide slide can tilt slightly under off-centre load. In general, several drive points share the load across the slide, which helps keep it parallel to the bolster. The listing states that the three connecting arms of this ELMALI press distribute the force for exactly this reason: a level slide and a parallel die.

Parallelism matters in lamination work because fine-featured dies have very small clearances, and better alignment helps reduce uneven die wear and edge variation. At 500 tons, about 4.9 MN as stated in the listing, the press suggests work on larger laminations such as segments and rings. Stroke, stroke rate and bolster size are not given and should be confirmed with the manufacturer.

Key Features and Benefits

• 500-ton capacity; approximately 4.9 MN of pressing force, as stated in the listing
• Three connecting arms; balanced, multi-point force transmission
• Level slide and parallel die; as described in the listing, for consistent laminations
• Wide open front; visible in the product photo, for die and strip access
• Rigid grey frame with blue crown; a sturdy press body
• Two control stations; floor-standing, with a display for the operator
• Made in Konya; a special press built around your lamination die

Applications

• Stator and rotor laminations for electric motors
• Generator core laminations
• Transformer core sheets
• Segmented laminations for large machines
• Electrical steel parts for power equipment
• Production runs that need consistent burr control

Tips for Better Lamination Stamping

Centre the die under the slide, keep clearance and cutting edges well maintained, and resharpen on schedule, because burr height tends to grow as edges wear. Use clean, correctly coated electrical steel strip with a flat, well-lubricated feed, and check burr height and flatness during production. Plan scrap removal and stack handling so that the press stays productive between strokes.

Part of a Complete Heavy Press Range

ELMALI Machinery builds sheet metal working machines in Konya and has supplied machines to over 100 countries. Alongside special presses, its range serves sectors from automotive and agriculture to shipbuilding, aerospace and defense, so one partner can support many parts of your production.

Why Choose ELMALI Machinery?

With more than 40 years of experience in sheet metal working machinery, ELMALI designs the press around your product rather than forcing your product to fit a press. We listen first and recommend the configuration that fits your work, and technical guidance helps keep your machine productive for years.

How to Choose the Right Machine

• Lamination outline, diameter and steel thickness
• Required tolerance and burr limit
• Force needed for your die (500 tons as listed)
• Strip feeding and coil handling
• Stroke, speed and bolster size
• Floor space, crane capacity and power supply

Maintenance for Long Service Life

Check lubrication of the connecting arms, bearings and slide guides, and inspect drive components and fasteners on schedule. Check slide parallelism regularly, and test the safety devices and control stations. Careful care of press and die keeps laminations consistent.

Frequently Asked Questions

What does 500 ton mean here? It is the capacity stated in the listing, about 4.9 MN of pressing force, for a press built to stamp thin electrical steel laminations.

Why three connecting arms? They share the force across several drive points so the slide stays level and the die parallel, which supports accurate laminations.

How do I choose the right model? Send us your lamination drawing, steel thickness and expected volume, and our engineers will recommend the right configuration.

Request a Quote on MachineWorld.biz

Stamping laminations for motors or generators? Contact us at +90 542 479 69 00 or export@MachineWorld.biz, or explore ELMALI machines on MachineWorld.biz and request your quote today.

Balanced force. Precise laminations. Request a quote today.