When force sensors are installed, a large number of general conditions must be observed for accurate measurement results. In addition to suitable ambient conditions, flat and sufficiently rigid bearing surfaces, the load performance ratios are also of great importance. Baumer DLM force sensors are available in the  Button, Inline and Screw-on  designs. The individual steps for mounting the force sensors are described below.


Button force sensors [DLMx0-BU]

Button force sensors are suitable for compressive force measurement in rough industrial settings.

Teaser_Know-how_Grafik_Button_600x338.jpg

The sensor is screwed on one side to a machine element and measures the applied force. The button compressive force sensors are screwed with four screws on an even and flat contact surface. Mounting with a torque wrench and the following tightening torque for the applicable sensor size is recommended.


The contact surface for the force sensor must always be larger than the sensor diameter and requires a maximum flatness of 0.1 mm and a roughness of Ra=1.6 um. The contact surface of the sensor must have a sufficiently stiff structure that does not deform during loading. A minimum thickness of 5 mm for the DLM20 and 10 mm for the DLM30/DLM40 is recommended.
 


Inline force sensors [DLMx0-IN]

Inline force sensors are suitable for tensile and compressive force measurement in rough industrial settings.

Teaser_Know-how_Grafik_Inline_600x338.jpg

Ideally, the force sensor is screwed full contact on one side of the hexagonal bar of the sensor and fixed on the other side with a lock nut. The following three versions are possible for connecting the inline sensors to the counter piece.


Screw-on force sensors \(DLMx0-SO\)

Screw-on force sensors are suitable for tensile and compressive force measurement in rough industrial settings. Installation of the force sensors takes place in two steps: The installation on the main thread and the installation on the screw-plate.

Step 1: Installation on the main thread

For the installation on the main thread there are generally four different options available.

Step 2: Installation on the screw-on plate

The installation of the screw-on force sensors on the contact area is via four screws on a level and flat mechanically processed contact surface. The sensor can be mounted from the top side as well as from the bottom side. When mounting from the bottom side, the thread inserts must also be placed from above into the oval-shaped drill hole. Mounting with a torque wrench and the following tightening torque for the applicable sensor size is recommended.


General construction information

The following overview shows potential error possibilities which should be avoided in case of application. The installation instructions are shown using the button type as an example, but also apply to the Inline and Screw-on construction types.

For the Inline and Screw-on force sensors, a further requirement must also be considered:


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