Technology Newsletters

Our Technology Newsletters present you with the latest information on key topics and solutions to challenging problems from the world of surface engineering. Always brief and to the point and based on practical experience in matters of deburring, grinding, smoothing and polishing.

03-14: The new SF 1/30

Another innovation from OTEC designed to meet individual customer requirements even more closely.

PDF download (english -374 KB)

10-13: New quick exchange collet holder

With the new quick exchange collet holder system from OTEC, tools such as drills and burs in drag finishing machines can be changed in a matter of seconds.

 PDF download (english -396 KB)

08-13: SF 2 machines for finishing injection plungers, with automatic loading and unloading

Finishing process: 10 seconds dry finishing with QZF 90 media, no further additives

PDF download (englisch -620 KB)

08-13: Burnishing and edge rounding of gear hobs in the SF machine

Gear hobs are used to make gears, cog wheels and other toothed components. OTEC has already conducted a great many lab tests with gear hobs. So far, the main task has been to debur and simultaneously round the edges of these tools.

PDF download (english -328 KB)

06-13: CF 18 Oil disc finishing unit with handling system for recycling media

These machines use a special low-viscosity oil in place of a water/compound mixture. This has the following advantages:

PDF download (english -420 KB)

06-13: CF 18 with new gap system WITHOUT water discharge

The new gap system of the CF18 disc finishing unit works without a continuous flow of water through the gap.

PDF download (english -404 KB)

April 2013: The new SF 3-200 Streamfinishing Machine

This new development of the company OTEC grinds and polishes work pieces especially well in areas, where conventional techniques like e.g. robots fail. Through the tremendous speeds of the grinding or polishing medium (up to 16 m/s), this machine is particularly suitable for processing of corners, recesses, grooves, etc..

PDF download (english -363 KB)

July 2012: New Unisepa specially developed for separating bone plates

Bone plates of various sizes were with finished using a variety of ceramic media and then separated in the Unisepa separating unit. Previously, separation had been carried out by hand in a time-consuming process. The key design specification for this Unisepa unit was a separation rate of 95% for bone plates. 

PDF download (english - 516 KB)

January 2012: Precise, even and fast finishing of taps and carbide drills in the SF machine

Obtaining an even finish when deburring taps and rounding cutting edges remains a major challenge, since protrusions such as the tooth crests of thread-cutting taps and the dead centers of twist drills, are considerably more rounded than the more deeply recessed areas. OTEC's process development department has carried out extensive tests using the new SF machines.

PDF download (english -244 K)

January 2012: Precise, even and fast finishing of taps and carbide drills in the SF machine

Obtaining an even finish when deburring taps and rounding cutting edges remains a major challenge, since protrusions such as the tooth crests of thread-cutting taps and the dead centers of twist drills, are considerably more rounded than the more deeply recessed areas. OTEC's process development department has carried out extensive tests using the new SF machines.

PDF download (english -244 K)

September 2011: New dry polishing medium M5/300

The new M5/300 dry polishing medium is a further top-quality product for polishing workpieces to a mirror finish and has been specially developed to give the best possible scratch-free surfaces.

PDF download (english -192 KB)

 

July 2011: New dry grinding media from OTEC

The new grinding medium from OTEC is suitable for the defined edge rounding of tools, in particular for cutting tools used with a cooling lubricant, since it prevents the cooling holes from becoming blocked. It can also used for grinding and smoothing high-quality workpieces such as watch cases.

PDF download (english -367 K)

February 2011: Flow grinding machine SF

SF - new machine for mirror-finish polishing and edge rounding of carbide tools

PDF download (english -650 K)

September 2010: New innovative mass finishing compound SC 36

The new SC 36 compound from OTEC sees the birth of a completely new generation of high-performance compounds. For the first time ever, it has been possible to integrate a precipitant into a compound without detriment to the mass finishing process.

PDF download (english -300 K)

August 2010: New driven holder for DF-Tools machines

A new holding system (patent pending) allows changing work pieces by just pressing a button.

PDF download (english -180 K)

Video

August 2010: New driven holder for DF-Tools machines

A new holding system (patent pending) allows changing work pieces by just pressing a button.

PDF download (english -180 K)

Video

 

March 2009: Drag-Finishing machine DF-wet

For the wet and dry processing of implants, watch cases, milling tools shafts, pistons and decorative workpieces.

 PDF download (english -146 K)

Video

January 2009: A new flocculant for mass finishing process water

Flocculant flakes are formed immediately after the finishing process, making the treatment or recycling of waste water much easier.

PDF download (english -405 K)

October 2008: Latest sophisticated technologies for machines of the series ECO

Improved design of ECO machines. Processing of thin work pieces is now possible due to the adjustable gap system.

PDF download (english -270 K)

September 2008: Loading/unloading of tools in seconds

Increase in overall productivity of DF Tool machine

PDF download (english -128 K)

June 2008: New Series CF-SP disc finishing machine

Grinding and polishing in a single process thanks to new, innovative technology.

PDF download (englisch -78 K)

video

May 2008: Angled holder for DF-Tools

This holder significantly increases the contact pressure of the grinding and polishing medium, providing better finishing for the face of stamping tools.

PDF download (Englisch -257 K)

February 2008: Dual motor drive for DF Tools machines

The dual motor drive enables the rotation speed of the workpiece to be adjusted independently of the speed of the rotor. This means that the machine can be adapted more closely to the particular requirements of specific workpieces.

PDF download (englisch - 149 K)

December 2007: Separating long, thin workpieces

PDF download (English - 174 K)

October 2007: Deburring bore holes

PDF download (English -184 K)


OTEC Präzisionsfinish GmbH Hotline: +49 7082/491120 Fax 491129 E-Mail: info@otec.de