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LEMFÖRDER Control Arms
For Accurate Wheel Guidance

In order to ensure safe vehicle handling for the driver, even in the event of extreme roadholding, it is important that the movement of the wheels is transferred quickly and precisely. For this purpose, intelligently designed control arms with joints are used within the wheel suspension.

In order to ensure safe vehicle handling for the driver, even in the event of extreme roadholding, it is important that the movement of the wheels is transferred quickly and precisely. For this purpose, intelligently designed control arms with joints are used within the wheel suspension.

Securely in contact with the wheels

LEMFÖRDER provides many different, vehicle-specific types of control arms, also for complex axle constructions: from guide rods, track rods and tension struts via control arms through to suspension ball joints or supporting joints. In the case of independent suspensions, the wheel carrier can be connected to the vehicle body with up to five control arms. Depending on the customer requirement, the components are either set up for comfortable or dynamic driving properties. Depending on the construction type, either 2-point links, 3-point links or, on rare occasions, 4-point links are used. Besides steel control arms, LEMFÖRDER also develops and manufactures light, premium aluminum control arms for cars and vans.

The control arms undertake the task of wheel guidance and frequently also transfer spring, damper and stabilizer forces.

Securely in contact with the wheels

LEMFÖRDER provides many different, vehicle-specific types of control arms, also for complex axle constructions: from guide rods, track rods and tension struts via control arms through to suspension ball joints or supporting joints. In the case of independent suspensions, the wheel carrier can be connected to the vehicle body with up to five control arms. Depending on the customer requirement, the components are either set up for comfortable or dynamic driving properties. Depending on the construction type, either 2-point links, 3-point links or, on rare occasions, 4-point links are used. Besides steel control arms, LEMFÖRDER also develops and manufactures light, premium aluminum control arms for cars and vans.

The control arms undertake the task of wheel guidance and frequently also transfer spring, damper and stabilizer forces.

LEMFÖRDER control arms offer many advantages

  • Accurate wheel guidance
  • Increased driving comfort due to vibration damping
  • Precise individual steering behavior which increases driving safety
  • Perfect wheel guidance and control arm connection due to precisely adjusted ball joints and link mounts

LEMFÖRDER control arms offer many advantages

  • Accurate wheel guidance
  • Increased driving comfort due to vibration damping
  • Precise individual steering behavior which increases driving safety
  • Perfect wheel guidance and control arm connection due to precisely adjusted ball joints and link mounts
  • The transverse control arm – tailor-made drivability
    LEMFÖRDER lightweight aluminum control arm

    Dynamic or comfortable? When it comes to the independent suspension, it depends, among other things, on the design of the control arms which connect the vehicle body with the wheel and its tires.

    LEMFÖRDER transverse control arms are precisely tailored to the individual requirements and driving properties of a vehicle. Furthermore, alternative materials such as aluminum, which make the wheel suspension lighter overall, are used in the manufacturing process. Lightweight design is one of the key technologies when it comes to reducing the energy consumption of vehicles.

    LEMFÖRDER lightweight aluminum control arm

    Dynamic or comfortable? When it comes to the independent suspension, it depends, among other things, on the design of the control arms which connect the vehicle body with the wheel and its tires.

    LEMFÖRDER transverse control arms are precisely tailored to the individual requirements and driving properties of a vehicle. Furthermore, alternative materials such as aluminum, which make the wheel suspension lighter overall, are used in the manufacturing process. Lightweight design is one of the key technologies when it comes to reducing the energy consumption of vehicles.

  • The guiding control arm and the supporting control arm
    LEMFÖRDER guiding and supporting control arms

    Depending on the function that a control arm assumes, either a guiding control arm or a supporting control arm is used for wheel guidance. A guiding control arm absorbs braking, driving and lateral forces. A supporting control arm supports the vehicle weight additionally. Moreover, it takes over the suspension and damping functions in the body and is designed to be more stable. Supporting control arms are often used by automotive manufacturers in the lower level of double wishbone axles and multilink rear suspensions.

    LEMFÖRDER guiding and supporting control arms

    Depending on the function that a control arm assumes, either a guiding control arm or a supporting control arm is used for wheel guidance. A guiding control arm absorbs braking, driving and lateral forces. A supporting control arm supports the vehicle weight additionally. Moreover, it takes over the suspension and damping functions in the body and is designed to be more stable. Supporting control arms are often used by automotive manufacturers in the lower level of double wishbone axles and multilink rear suspensions.

  • The SMiCA sheet metal control arm
    LEMFÖRDER SMiCA sheet metal control arm without rivets and screws.

    Control arms are subjected to severe forces and must therefore satisfy high requirements: buckling resistance, bending strength and durability. At the same time, a low weight is desired within the context of modern, automotive lightweight construction.

    A ZF lightweight solution that is already ready for production is the SMiCA control arm (Sheet Metal integrated Control Arm). The control arm requires no rivets or screw connections and is therefore up to 23 percent lighter than conventional sheet metal control arms. Furthermore, it requires less installation space and allows more design freedom when designing the chassis.

    LEMFÖRDER SMiCA sheet metal control arm without rivets and screws.

    Control arms are subjected to severe forces and must therefore satisfy high requirements: buckling resistance, bending strength and durability. At the same time, a low weight is desired within the context of modern, automotive lightweight construction.

    A ZF lightweight solution that is already ready for production is the SMiCA control arm (Sheet Metal integrated Control Arm). The control arm requires no rivets or screw connections and is therefore up to 23 percent lighter than conventional sheet metal control arms. Furthermore, it requires less installation space and allows more design freedom when designing the chassis.

LEMFÖRDER ball joint

The design core: the ball joint

Ball joints are used in control arms, tie rods and stabilizer links, for instance. A ball joint consists of a supporting joint and ball stud and is free-moving in three directions. Traction forces, compressive forces and radial forces are transferred in these three directions with hardly any losses at all. Low losses occur as a result of friction. Therefore, LEMFÖRDER uses premium materials for the ball and shell and consequently achieves:

  • Low deformability
  • Excellent glide characteristics
  • Outstanding damping

The exact designation of the ball joints is derived from the transferred direction of force: Angle joints transfer radial forces, axial joints transfer axial forces.

LEMFÖRDER ball joint

The design core: the ball joint

Ball joints are used in control arms, tie rods and stabilizer links, for instance. A ball joint consists of a supporting joint and ball stud and is free-moving in three directions. Traction forces, compressive forces and radial forces are transferred in these three directions with hardly any losses at all. Low losses occur as a result of friction. Therefore, LEMFÖRDER uses premium materials for the ball and shell and consequently achieves:

  • Low deformability
  • Excellent glide characteristics
  • Outstanding damping

The exact designation of the ball joints is derived from the transferred direction of force: Angle joints transfer radial forces, axial joints transfer axial forces.

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Your Privacy

When you visit any web site, it may store or retrieve information on your browser, mostly in the form of cookies. This information might be about you, your preferences, your device or used to make the site work as you expect it to. The information does not usually identify you directly, but it can give you a more personalized web experience. You can choose not to allow some types of cookies. Click on the different category headings to find out more and change our default settings. However, you should know that blocking some types of cookies may impact your experience on the site and the services we are able to offer.

Technical Mandatory Cookies

These cookies are necessary for the website to function and cannot be switched off in our systems. They are usually only set in response to actions made by you which amount to a request for services, such as setting your privacy preferences, logging in or filling in forms. You can set your browser to block or alert you about these cookies, but some parts of the site will not then work. These cookies do not store any personally identifiable information.

Analytics Cookies

These cookies allow us to count visits and traffic sources so we can measure and improve the performance of our site. They help us to know which pages are the most and least popular and see how visitors move around the site. All information these cookies collect is aggregated and therefore anonymous. If you do not allow these cookies we will not know when you have visited our site, and will not be able to monitor its performance.