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For years, EFD Induction has been a trusted supplier of induction heating solutions to numerous automakers around the world. We also work with many tier-one suppliers and sub-contractors.

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Induction heating is used within a variety of fields in the automotive industry.
For example:

Induction hardening

engine parts such as valves, crankshafts, camshafts, connection rods and starter rings
transmission parts, for example CV joints, tulips and axle shafts
suspension parts such as shock absorber rods, springs and suspension arms
parts for automatic and manual gear gearboxes, for example rings, selector shafts and sun gears
clutch springs and brake pads

Induction tempering

camshafts, crankshafts, drive shafts, torsion bars, couplings, rocker arms, rock drills, chains, suspension arms, clutches, brake discs, steering wheels, CV joints, tulips, shock absorbers, inner and outer races, control rods, valves and output shafts.

Induction brazing

aluminum parts for air-conditioning systems, for example evaporator and condenser connections (tube-to-tube, tube-to-block, tube-to-tank)
steel and copper components, e.g., brake linings, fuel injection pipes
short-circuit rings for electric motors

Induction bonding

magnets in electric motors
doors, hoods and trunks
fenders and rear-view mirrors

Induction pre-heating

transmission parts, for example shrink fitting of gear wheels

Induction postheating

engine parts and brake discs (polymerization)

Induction straightening

steel chassis
truck making and repair

Videos

Induction hardening. What makes it so effective?

Learn about the potential and benefits of induction hardening.

Aluminium brazing

Brazing aluminium is a demanding task. The reason is the need for exact temperatures. EFD Induction has unrivalled expertise in this application and is the world's leading developer of induction heating solutions for aluminium brazing.

Images

EFD Induction is the world’s largest induction hardening equipment maker with close to 70 years experience.

EFD Induction’s patented simultaneous multi-frequency hardening. The process achieves true contour hardening of small gears in well under a second.

Hardening of camshafts with induction heating

Customized coil for induction hardening of camshafts.

Hardening of bars and shaft with induction heating

A HardLine Centerless Pusher induction hardens steel bars.

High throughput and consistent heating outcomes are essential when heat treating bars and shafts.

We design, make and maintain customized induction coils for camshaft hardening. These formed coils deliver precise heat patterns and penetration depths for perfect hardening results.

There are many reasons why induction heating is the preferred method for hardening camshafts.

Our induction camshaft hardening solutions are used by many of the leading names in the truck, bus, excavator and earth-moving equipment industries. Our systems are also widely used to harden marine camshafts.

Hardening of crankshafts with induction heating

Car crankshafts, truck crankshafts, marine crankshafts — EFD Induction systems are used worldwide to harden every imaginable type of crankshaft in a wide range of production volumes.

An EFD Induction robot-type crankshaft hardening system in action. All our systems feature mechanical and control innovations that minimize Total Indicated Run-out.

Our centerless horizontal hardening systems combine exceptionally high throughput rates with high reproducibility.

Hardening of shafts with induction heating

A programmable quenching cycle at work.

Induction is the cost-cutting alternative to furnace case hardening of small- and medium-sized gears.

Quenching of a small gear that has been heated by the simultaneous multi-frequency method.

A small gear t has been heated with a single frequency.

Hardening steering rack with induction heating

Induction hardening of steering rack.

Induction brazing of brake linings

Induction brazing of aluminium parts

Induction heating used for brazing of aluminum

EFD Induction has unrivalled expertise in making efficient solutions for aluminium brazing

Brazing banjo nipples with induction heating

Induction is a high throughput, no-contact heating method. It helps ensure strong yet barely visible joints—and the outstanding aesthetics expected by today’s customers.

Brazing of a heat exchanger with induction heating

Induction brazing of a heat exchanger.

Brazing of evaporator and condenser connections with induction heating

Induction heating is a perfect method for high throughput brazing of evaporator and condenser connections.

Protective atmosphere brazing of banjo nipples with induction heating

High-quality banjo nipples being brazed under a controlled atmosphere in a customized EFD Induction brazing machine.

Induction bonding. Universal fixture for lab/ process trials on customer panels. Collage inductive. Systeme flexible en laboratoire pour essais sur ouvrants Client.

Full-ring bonding with induction heating

Full-ring bonding with two-turn flexible coil Collage

Aluminium hood spot bonding tool. Note: The absence of clamps, minimal nest and relatively small curing areas.

More and more automotive sub-contractors are opting for induction heating to shrink-fit gear wheels.

News

Preheating saves lives

Testing airbag inflators by preheating them guarantees the stability of this high-pressure safety device.

The world’s fastest and most flexible horizontal hardening machine

The HardLine Hybrid combines a pusher machine (HP) and a continuous loading machine (HC) into one single machine.

Awarded orders for induction scanners to harden sun gears and output shafts

EFD Induction USA has recently won major orders from two American tier-one automotive suppliers. The orders involve EFD Induction ‘HardLine’ type induction scanning systems for the hardening of sun gears and output shafts.

Differences between scanning and single-shot induction hardening.

There are two alternative methods of induction hardening: conventional ‘scanning hardening’, and the less common ‘single-shot hardening’. It is sometimes the case that workpiece characteristics determine which method must be used .

Hardening system for valve specialist Basso

Argentina-based automotive valve manufacturer Basso A.S. has ordered a vertical hardening system from EFD Induction.

EFD Induction lands major hardening orders from ZF

A major technology shift towards electric motor steering systems are key factors behind a series of major orders from ZF.

State-of-the-art Sinac for state-of-the-art Eibach

The next time you watch a Formula One race on TV, you can be sure that most of the cars on the track are equipped with suspension springs from Eibach.

Cleaner, leaner, greener

An EFD Induction brazing solution at diesel engine specialist Agco Sisu Power slashes production times for high-grade banjo fittings.

Finishing in style

What do more and more leading auto makers (including BMW, Audi and Volvo) have in common? They’ve all selected EFD Induction to heat treat brake discs against corrosion.

Unwrap the benefits of package hardening

EFD Induction is the world’s no.1 induction hardening company. That’s good news for us. But what’s more important is why?

Hägglunds Drives on the road to faster production

A new EFD Induction solution has helped Hägglunds Drives slash hardening cycle times by 85% for large cam rings, and 45% for smaller rings.

Cranking up productivity at John Deere

When the world’s largest manufacturer of agricultural equipment decides to invest in production upgrades, you can be sure it chooses the best solutions on offer. JJohn Deere selected a crankshaft hardening system from EFD Induction.

Earthmowing experience

Caterpillar, Komatsu, JCB, John Deere, Poclain, Clark—they all have two things in common.

Die hard!

It’s a well-known fact that all dies used in the automotive industry have to be hardened. It’s also well known that traditional gas heating is slow, difficult and inefficient. But there is another way.

Building bonds with Jaguar

As one of the world’s most quality-conscious carmakers, few are as choosy about their partners as Jaguar.

Complete control—how to get it, how to keep it

One of the most powerful arguments in favor of in-line heat treatment is that it gives you complete control over all stages of production.

Mølbro opted for EFD Induction solution

The system—installed at the production plant of Mølbro A/S in Broby, west of Copenhagen—is being used to forge plowshares.

Hybrid horizontal hardening at Thermprocess

At the ongoing THERMPROCESS trade fair in Düsseldorf, EFD Induction are presenting their HardLine Hybrid – the world’s fastest and most flexible horizontal hardening machine.

Automotive

Induction heating is used within a variety of fields in the automotive industry. For example: