Imprint

Microvista GmbH

Prof. Dr.-Ing. Lutz Hag­n­er
Am Mönchen­felde 12
38889 Blanken­burg
Ger­many

Phone:       +49 3944 950–50
Fax:           +49 3944 950–60

E‑Mail:       info [ at ] microvista.de
Web:          www.microvista.de

Reg­is­ter court: Amts­gericht Sten­dal, HRB 7333
USt.-IdNr.: DE 260 287 198

Social Media

This legal notice applies to our YouTube-Chan­nel, our LinkedIn page,our Xing page, our Face­book page as well as our Insta­gram account.

Liability for content

The con­tents of our site have been com­piled with great­est care. How­ev­er, we can­not assume lia­bil­i­ty for the accu­ra­cy, com­plete­ness and up-to-date­ness of its con­tents. As a ser­vice provider, we are respon­si­ble for our own con­tent on these pages under the terms of sec­tion 7, para. 1 TMG (Ger­man Tele­me­dia Act) and in accor­dance with gen­er­al leg­is­la­tion. Pur­suant to §§ 8 to 10 TMG we are not oblig­ed as a ser­vice provider to mon­i­tor third-par­ty data stored on or trans­mit­ted to our web­site or to inves­ti­gate cir­cum­stances, which might point to ille­gal activ­i­ty. Oblig­a­tions for the removal or bar­ring of use of infor­ma­tion in accor­dance with gen­er­al leg­is­la­tion remain unaf­fect­ed. A lia­bil­i­ty refer­ring to this is how­ev­er only pos­si­ble from the moment of actu­al notice of a spe­cif­ic infringe­ment. If such infringe­ments become known to us we will remove these con­tents imme­di­ate­ly.
As a ser­vice provider, we are respon­si­ble for our own con­tent on these pages in accor­dance with gen­er­al leg­is­la­tion pur­suant to Sec­tion 7 (1) of the Ger­man Tele­me­dia Act (TMG). How­ev­er, accord­ing to §§ 8 to 10 TMG, we are not oblig­ed as a ser­vice provider to mon­i­tor trans­mit­ted or stored third-par­ty infor­ma­tion or to inves­ti­gate cir­cum­stances that indi­cate ille­gal activ­i­ty. Oblig­a­tions to remove or block the use of infor­ma­tion in accor­dance with gen­er­al laws remain unaf­fect­ed by this. How­ev­er, lia­bil­i­ty in this regard is only pos­si­ble from the time of knowl­edge of a con­crete infringe­ment. If we become aware of any such infringe­ments, we will remove this con­tent immediately.

Liability for links

Our web­site con­tains links to the web­sites of third par­ties the con­tents of which are not under our con­trol. There­fore, we can­not assume any lia­bil­i­ty for such exter­nal con­tent. In all cas­es, the provider of infor­ma­tion of the linked web­sites is liable for their con­tent. At the time the link was placed, the linked web­sites were checked for pos­si­ble infringe­ments of the law. No ille­gal con­tent was recog­nis­able at the time of link­ing. How­ev­er, con­tin­u­ous con­trol of the con­tents of the linked pages with­out any indi­ca­tion of infringe­ments is not rea­son­able. If infringe­ments become known to us we will remove these links immediately.

Copyright

The con­tents and works com­piled by the web­site oper­a­tor are sub­ject to Ger­man copy­right law. Con­tri­bu­tions from third par­ties are iden­ti­fied as such. The dupli­ca­tion, edit­ing, dis­tri­b­u­tion or any kind of util­i­sa­tion out­side the lim­its of copy­right law require the author’s or writer’s writ­ten approval. Down­loads or copies of this page are only per­mit­ted for pri­vate and non-com­mer­cial use. The oper­a­tors of these pages make a con­stant effort to respect the copy­rights of oth­ers and to use con­tent that was cre­at­ed by them­selves or that is avail­able in the pub­lic domain.
The oper­a­tors of the pages always endeav­our to respect the copy­rights of oth­ers or to use their own works or works in the pub­lic domain.

Data privacy

You can find our dec­la­ra­tion on data pro­tec­tion here.

Automated inspection of hairpins

Challenge:

The stability of the hairpin joint is crucial for the reliability of electrically powered vehicles. Laser welding can be carried out according to different principles. However, this can affect the quality of the joint by process fluctuations resulting in undesired deviations.

Possible consequences:
Due to ambiguity in the quality of joints, high
failure rates can occur.

Advantages of a CT inspection:

  • Quality feedback within minutes
  • Statistically evaluable results thanks to Microvista's automatic analysis: 40 stators/day inspected
  • Only 165 €/part including an informative report.
CT Scan exposing a burnt out battery
Pore analysis of a cylinder head

Challenge:

In order to achieve the highest possible ranges as well as low emissions, lightweight construction continues to be a primary goal in vehicle construction, regardless of the type of drive. Light metal casting is characterised by its ability to produce complex parts with a high degree of automation and recyclability. However, high technological demands are placed on the components, including mechanical load-bearing capacity under more complex stresses and simultaneous mass reduction.

Potential consequences:

A cylinder with poor quality leads to damage to the cooling system and ultimately to engine failure.

 

Advantages of a CT inspection:

  • Visualisation of pores in the cylinder head and colour classification of the pores according to their volume is possible.
  •  The exact position of each pore and thus the potential risk it poses can be determined.
Testing of wall thicknesses of an exhaust manifold.

Challenge:

The exhaust manifold is one of the most heavily loaded components of an engine. For this reason, the actual and desired condition of the wall thickness should be compared. Only with a sufficient wall thickness can the manifold withstand the shock-like inflow of exhaust gases and the resulting pressure front, as well as the many heating and cooling cycles in the long term.  

Possible consequences of undetected deviations:

The notch effect of blowholes can cause a crack in the manifold. Partial breakthroughs can also occur if the wall thickness is too small. This leads to a change in the pressure conditions in the manifold, which reduces engine performance and, at the same time, increases fuel consumption. In addition, there is a high noise level from the direction of the engine and a clearly perceptible exhaust smell in the interior.

Advantages of a CT inspection:

  • Fast and automatic detection of relevant quality defects 
  • Avoidance of scrap refinement 
  • Detection of defect focal points through statistical evaluation of the results.
CT Scan exposing a burnt pores in aluminium wheel
Assembly inspection of lithium-ion batteries.

Challenge:

Due to production or assembly errors, the contact, insulation and electrolyte foil is damaged in some batteries.

Possible consequences:

A short circuit can be the result. This can lead to a high thermal reaction of the electrolyte. The resulting outgassing causes the battery to swell externally. Inflated, deformed, outgassed lithium-containing batteries can lead to explosions and fires.

Advantages of CT testing:

  • Dismantling of batteries in small devices is not necessary for the test. The devices can therefore be used immediately after the test
  • By sorting out defective batteries, higher quality can be guaranteed, and prevention against legal disputes and negative press in case of a fire can be operated
CT Scan exposing a burnt out battery
Comprehensive inspection of an aluminium wheel carrier with complex bionic structure.

Challenge:

Additive manufacturing requires carefully set process parameters that are optimised in iterative steps during the product development process. Fast and comprehensive feedback on product quality is of paramount importance for shortening the development phase.

Possible consequences of undetected defects:

Missing and insufficiently validated process quality can result in high reject rates. Especially with regard to safety-relevant parts of the chassis, additional risks arise that can lead to component failure and create the risk of an accident.

Advantages of CT inspection:

  • Shortened development cycles
  • Addressing risks identified by FMEA
  • Reduction of required expensive prototypes through non-destructive testing for a variety of features.
Comprehensive inspection of an aluminium wheel carrier with complex bionic structure.

Challenge:

Additive manufacturing requires carefully set process parameters that are optimised in iterative steps during the product development process. Fast and comprehensive feedback on product quality is of paramount importance for shortening the development phase.

Possible consequences of undetected defects:

Missing and insufficiently validated process quality can result in high reject rates. Especially with regard to safety-relevant parts of the chassis, additional risks arise that can lead to component failure and create the risk of an accident.

Advantages of CT inspection:

  • Shortened development cycles
  • Addressing risks identified by FMEA
  • Reduction of required expensive prototypes through non-destructive testing for a variety of features.
A CT scan of insulation foam
Assembly inspection of medical devices

Challenge:

To detect malfunctions, damage or collisions that cannot be traced after disassembly of the medical device. 

Possible consequences:

Blockages can cause some devices to malfunction during use.

Advantages of a CT scan:
Complete digitisation takes place without the application of force during the measurement, which makes it possible to measure, analyse as well as subsequently process filigree and soft components. The inspection takes place quickly and reliably in the assembled state. During the evaluation, the movements in the component can be recorded, whereby the blockage can be found.

A CT scan of XXX XXX