The company Neumann + Hoffmann has worked as a subcontractor and supplier for many global enterprises from various parts of the plant and machinery.
The turning of parts from Ø 6-Ø700mm, as well as the milling and assembly of components primarily in the materials stainless steel and aluminum is our home. Our measurement capabilities guarantee process reliability.

New in our production program is the double-lid-lock system in five different sizes, which we can offer as a separate product. More information on these, please refer to our website.

In the present time are customer orientation, quality, timelines and an appropriate price-performance ratio for a successful business.
These criteria are based on over 30 years of experience at the highest level of competence and motivation of our employees.
Modern machines, permanent process optimization and our highly trained staff ensure a friction-free production process.

You can rely on the team of the Neumann + Hoffmann GbR.

We can

Turning
· Small parts from Ø 6mm
· Large parts up to Ø 700mm
on modern CNC machines, some with driven tools
· All materials
include aluminum, plastics, non-ferrous metals and
high-grade stainless steels

Milling
· On machining centers with
B-axis (rotary table) to traverse 800x630x630mm
· 3-axis machining center with 560x1100x600mm traverse

Heat treatment and surface engineering
· Harden and reward, also of special materials
· Functional and decorative surface treatments such as anodising, DURNI-coatieren
ualia in collaboration with long-term partners

3-D metrology
· Measure of production parts for process safety
· Creation of first article inspection reports and test records
· Wage measurement
· Travels X1000 Y1200 Z900

Component Assembly
· Installation of manufactured or-supplied parts with us to complete units
· Testing according to customer specifications with test report


R apid T ransfer S ystems

α - β double-lid-lock system


Application:

The RTS lock serves the contamination-free loading and unloading of isolators, mini-environments, glove or glove boxes, barrier - or containment - systems.
This system consists essentially of two parts:
the α-and the β-port port
The α-port, the transfer port and is fitted in a dimensionally stable wall of the device. The self-contained β-port houses the einzuschleusende material or