HAINBUCH GMBH Spannende Technik, 71672 Marbach
EMO Hannover, Halle 3 D.07 - 26.06.2005

From one mold: TOPlus. Six to win

Machining cast parts can be tricky, because dust, chips and dirt impair the function of the clamping device. Due to radius displacement of the chuck cone and clamping head, it has not been possible in the past to fully seal SPANNTOP chucks. With TOPlus, however, HAINBUCH is writing a new chapter in the history of machining. Because this chuck is unprecedented. As always, it’s what’s inside that counts. TOPlus has a hexagonal core made of mineral cast.  This new clamping device is lighter than steel chucks and also has a lower mass inertia torque, which is advantageous especially during high acceleration. Not to mention the positive dampening properties of the material. Due to the pyramid shape, as opposed to the conventional cone shape, all surfaces fit tightly, leaving no gaps. And that’s only the beginning. Due to the reduced surface pressure and the full-surface contact of the clamping segments, the clamping force of the TOPlus is a full 25 % higher than SPANNTOP. The span range is considerably larger – also for raw material. Lubrication requires only a single lubrication nipple, or can be provided automatically by the machine. In addition, TOPlus seals very well. The advantages of TOPlus are especially important in hard machining and dry cutting situations. 

Two variants
Short or long? This is a matter of preference, depending on the clamping situation. The short variant has practically the same dimensions as the SPANNTOP chuck of the same size. And: this model can be used together with the adapter mandrel MANDO Adapt, so you can switch to a perfect I.D. clamping very quickly (photo 1).

In the long model the chuck body and the clamping head are moved forward. And due to the protruding clamping head, this model allows you to machine your work pieces between the jaws as well. The chips are simply spun out between the free areas.

The advantages at a glance

• 25 % better conversion of axial drawtube force to holding force than with conventional clamping head chuck systems.
• excellent seal: resistant to dust, dirt and chips; especially important for dry and hard machining
• unequalled rigidity due to full-surface contact of the clamping segments
• large span range
• no radius displacement
• vibration dampening due to mineral cast; ideal for hard machining
• increased process reliability and low surface pressure; ideal for continuous processing of large quantities
• wear-resistant
• fast and easy clamping head change-over
• optional: precise and easy centering with the patented CENTREX system
• lubrication with a single lubrication nipple

TOPlus – simply revolutionary

HAINBUCH GMBH 
SPANNENDE TECHNIK
p.p. Sylvia Rall
Marketing Management
 
Erdmannhäuser Str. 57 . DE-71672 Marbach
Postfach 12 62 . 71667 Marbach

Tel: ++49. 7144. 907-0
Fax: ++49. 7144. 907-270
E-Mail: sylvia.rall@hainbuch.de