Últimos Artículos

GD&T – Datum Features Must Be Referenced to Be Used

Sometimes, we receive from our customers industrial drawings where the datum features are not always correctly indicated. Datum features are essential for the designing and manufacturing of checking fixtures, and if they are not taken into account correctly, the mounting of the part on the fixture may...

1 June 2008 | Uncategorized | Read More

Checking Fixture for a Plastic Large Part

Since this video is the fourth one we make, I hope you will note an improvement in its quality. This video shows the example of a checking fixture for a large part, made of plastic, that can be easily deformed. The functioning principle of the checking fixture is to use the fixation points of the part...

21 May 2008 | Uncategorized | Read More

Cubing-style Checking fixture for a Bumper

Today, we would like to present you the video of a cubing-style checking fixture for the checking of three different versions of a bumper assembly. Since all the versions have the same fixations to the car body, the same checking fixture will be used for their dimensional verification by only swapping...

20 May 2008 | Uncategorized | Read More

Checking Fixture with Mobile Clipping System

In this article we would like to show you one of the latest checking fixtures we made in Tecnomatrix that proposes the ideal solution to check plastic parts with clips. In this case, the part checked is a rear-view mirror cover, with 5 clips. In order to carry out repeatability studies with satisfactory...

18 May 2008 | Uncategorized | Read More

What is Cpk?

In the industry, a lot of people have heard at least once the terms “Cpk study”. But when it comes to define it, not so much can provide a simple and clear definition, which is why we have decided to make our own inquiry. The function of the Cpk study can be explained through this image, that was...

12 May 2008 | Uncategorized | Read More

CMM Fixture for a Bumper

There are three types of checking fixtures for large parts: (1) Welded-structure CMM fixture (2) Aluminium-profiled-structure CMM fixture (3) Cubing fixture representing all the adjacent elements The former two have the same function, their difference is in the type of manufacturing material used...

7 May 2008 | Uncategorized | Read More

The Importance of Burrs

Burrs are a raised edge or an excess of material on the edges of an object triggered by the mould juncture (plastics), or the gap between the punch and the matrix on the cutting area of a metal part. If their presence is not taken into account, they may be very disturbing to get repeatability in a checking...

18 April 2008 | Uncategorized | Read More

GD&T – Datum Features Have Axes

This video, presented by Don Day from Tec-Ease Inc., shows very clearly the importance of referencing correctly the plans of parts according to their future function. This case shows a common mistake, a design mistake that meant huge costs for the company that made it. Customers often make the same...

12 April 2008 | Uncategorized | Read More

Doing things “on time” is more profitable

Last week, as I was delivering a set of checking fixtures to a customer, he told me that it was the first time that he received the checking fixture before the injection mould. Although this is how things should be, since it is a basic and essential point, this is scarcely the case, which is a big mistake....

1 April 2008 | Uncategorized | Read More

HandyScan: Contactless Digitalizing

HandyScan is one of the tools for digitalizing parts and surfaces that have been most successful and gone most popular over the past few years, and have even managed in some cases to overthrow the traditional tridimensionals. It is a hand scanner, totally portable and user-friendly. It has very different...

16 February 2008 | Uncategorized | Read More