Condor Sigma » Tweezers

XYZTEC Tweezer solutions

Many bond strength tests require a means to grip the part so that the strength of its bond can be tested. In many of these applications the geometry and force of the grip must be precisely controlled to ensure sufficient load can be applied to the bond without the act of gripping affecting the bond itself.

Advanced method settings screen when using Condor Sigma
Advanced method settings screen when using Condor Sigma

To cater for this the Condor Sigma offers a wide variation of tweezers with both a precise gripping action and the flexibility to suit a wide range of applications. Each of the 6 RMU positions can be equipped with manually controlled tweezers, while one RMU position is dedicated for an air controlled and/or electric (USB) controlled tweezer.

When mounted on a Condor Sigma pull sensor, you can detect touchdown on your sample
When mounted on a Condor Sigma pull sensor, you can detect touchdown on your sample

Electrically actuated

USB Tweezers

XYZTEC offers a unique electrically actuated micro grippers solution: USB Tweezers (download PDF flyer). The features include a powerful software, fully programmable closing force and positioning, a built-in adjustable light source and easily exchangeable tips. Designed especially for solder ball pull, thick wire pull, thin wire pull and ribbon peel test.

Virtually any application

The system is designed to be compatible with the commonly used Condor series: Sigma and Classic. This ensures consistency in your measurement results between different testers. The USB tweezers are fitted to a standard pull sensor.

This sensor can also be used to sense when the tips of the jaws touch your sample and can be used to land with a programmable force. However, the USB Tweezers are a stand-alone device and can be used with other systems and virtually any application.

Intelligent jaws

The gripping jaws (tweezers with tips) are driven by a built-in closed loop 3-phase brushless micro drive to accurately open or close. The jaw actuators incorporate a strain gauge to precisely measure and control the gripping force.

USB Tweezer tips are shipped with safety in mind
USB Tweezer tips are shipped with safety in mind

The gripping force can be programmed and will be maintained throughout the test with a force control loop. Similarly, the position of the jaws is known and controlled via the closed loop micro motor. This also enables programmable control of the closing and opening positions.

Exchange tips within seconds

A thumbscrew allows for quick and easy exchanging of tips. The tips ship from XYZTEC to you in a safe case and already mounted in a bracket. This bracket later enables the operator to place the tips in the USB Tweezer and tighten the fixation screw without ever touching the fragile tips by hand.

Minimal risk of damage when replacing tips
Minimal risk of damage when replacing tips

There is a standard range of tips to suit many different applications, for example gold wire pull or aluminium ribbon peel. Custom tip designs for application specific requirements are also possible.

Built-in LED lighting

The tweezers come complete with built-in high intensity LED light source. The power and control of the tweezers is delivered by one USB connection to the machine or computer.

Exchange tips of USB Tweezers within seconds
Exchange tips of USB Tweezers within seconds

CBP Jaw Cleaner

During use solder builds up in the cavity in cold bump pull (CBP) jaws. This reduces their grip efficiency and affects the quality of your measurements. Cleaning the cavities is very difficult and small ball cavities can be damaged easily. Click here to find out more information about XYZTEC's patented solution: the CBP Jaw Cleaner.


Maximum clamping force7 kgf
Adjustable clamping force0-7 kgf
Maximum pull force10 kgf
Average closing time1 s
Adjustable LED brightness0-100 %
Rotation stroke±90 °
Programmable closing forceyes
Programmable opening positionyes
Easy exchange of tipsyes
Compatible with Condor Sigmayes
Compatible with Condor Classicyes
Supports Microsoft Windows XP, Vista, 7 and 8, 32 and 64 bit systems

Specifications subject to change without prior notice.

Mechanical tweezer for forces up to 50 kgf
Mechanical tweezer for forces up to 50 kgf

Mechanically actuated tweezers

The XYZTEC mechanically actuated tweezers are developed for high force pull tests. Tests with forces up to 500 N / 50 kgf can be performed. Typical applications are pull tests on electrical connections like studs, connectors or even pulling off entire devices. The tool can handle objects up to 3 mm thickness.

Pin pull on FR4
Pin pull on FR4

The compact design can handle up to 500N although the maximum force is limited by the type of jaws used. The tweezers initially generate a small gripping force that increases during a test under the action of the applied load. Jaws have to be matched to the type of test. For this there are a number of standard jaws available but customized jaws can also be provided.


Maximum clamping force100 kgf
Adjustable clamping force50 kgf
Please contact us for further specifications

Pneumatically actuated tweezers

Especially for the Condor Sigma XYZTEC also offers pneumatically actuated tweezers. These are designed for the most commonly used cold bump pull applications and are compatible with other solutions on the market.

USB Tweezers case
USB Tweezers case

Contact us

Did we catch your attention? Please contact us for more information or to request a demonstration or a quotation.

USB Tweezers: another reason why the world is switching to the Condor Sigma

Read our newsletter on USB Tweezers.

How to: Cold Bump Pull

We have added an extensive how-to on Cold Bump Pull (CBP) to our website. By doing this we aim to spread knowledge about bond testing in the industry. Click here to go to

How to: Tweezer Pull

There is also an extensive how-to on Tweezer Pull (TP). Click here to go to

Advances in tweezer pull testing

Click here to read the article that was first published in Chip Scale Review May June 2014.

CBP Jaw Cleaner

During use solder builds up in the cavity in cold bump pull (CBP) jaws. This reduces their grip efficiency and affects the quality of your measurements. XYZTEC offers the best solution for this problem: the patented CBP Jaw Cleaner.

Relevant applications

USB Tweezers wire pull
USB Tweezers wire pull

Cold bump pull

Special applications

Please contact us if you have any special tweezer requirements.

USB Tweezers Manual

Click here to find the USB Tweezers manuals (PDF).

Sigma brochures

Click here to download the Sigma brochures:

Test types


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Micro drives with the 'strength of a giant'

Click here to download an article by Faulhaber, called "Mechanical stress test for component solder joints and bonding wires - Micro drives with the 'strength of a giant'" (PDF) on the USB Tweezers.

Tweezers flyer

Click here to download the complete "XYZTEC Tweezer Solutions flyer" (PDF) by XYZTEC.

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