DC300

by / Wednesday, 12 March 2014 / Published in Milling
DC300

Single head neck trimming unit

Need

Neck trimming is a necessity when blowing multi-layer bottles. This is because calibrating multi-layer bottles creates a barrier leak on the neck, as the material is blown horizontally over the neck. Therefore, the neck requires trimming.

Reaming the top layer ensures a flat, perfect neck, without deflashing traces.
Especially with bigger diameters, where it is difficult for the calibration pin to be perfectly straight.
You can place the neck trimming units behind a spin dome trimmer (DC100, DC150) (for lost domes), in order to reduce the weight in the neck for further weight savings.
 

The machine

Bottles are coming into the neck trimming unit. Then, they are grabbed by the integrated masks on the body and on the neck.
Moreover, thanks to our specific way of doing this, the neck is always at a fixed position, independent from the base of the bottle. The bottle design must allow this, though. In fact, this fixed position is very important to have stable quality within tolerances, as well as to avoid the risk that the neck is trimmed too deeply and closing issues may appear.

Besides, the single head neck trimming unit can be equipped with an integrated leak tester.
 

ADVANTAGES

  • Fully servo controlled, which results in smooth operation with high accuracy.
  • Optimum cutting conditions by high speed milling head.
  • Fast cycle time and product changeover by recipes and quick changeable masks.
  • Totally integrated control of vacuum pumps, which results in optimal energy saving.
  • Chip removal by vacuum extraction in the head.
  • Fully closed frame for safe operation.

 

RELATED MACHINES

Spin dome trimmer for round lost heads (lost domes) – short version: DC100
Spin trimmer for round lost heads (lost domes) – long version: DC150
Twin head neck trimming unit: DC302
Cutting machine for non-circular heads: DC200
Laser cutter: DC401

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