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BALANCING

Balancing according to DIN-ISO 1940

If you have to balance just one, two or a small batch of rotors, but don't have the right machine to do the job, we are the right place to go to – even with the most unusual rotor.

  • HSK, ISO, BT- tool holders
  • Spindle shafts
  • Rotors, Rotor shafts
  • Couplings
  • Air fans, ventilation systems
  • Grinding arbors
  • Special machine equipment and testing spindle devices
    is possible up to 200kg rotating mass and up to 500kg per piece possible

Classification

according to DIN-ISO 10816-3

The green fields (A) provide information about the usual delivery condition for new devices. Blue (B) is common in the daily practical application of the machine. Yellow (C) shows the critical region, and red (D) should be avoided, or its cause should be removed.

according to DIN-ISO 1940

Source: MPM GmbH

Why?

A balancing of ALL stressed parts of the spindle system is unavoidable.

This applies to milling spindles, grinding spindles and turning spindles.

Small, high-precision rotors, or rotors running at speeds of several ten thousand revs per minute require highest demands on balancing accuracy. When the permitted residual unbalance is in the order of several micrograms, a balancing system will soon show itself for what it's worth. To achieve this quality standard, you need a partner with superior expertise in his field.

Precision balancing requires the perfect interaction of man and machine. Not only are our specialists familiar with the relevant balancing processes, they also have extensive experience with rotors with a variety of properties and they know how to make optimum use of the advanced features offered by a modern balancing system.


A closer look will help you:

Balancing quality of the spindle / drive
+ Balancing quality of the tool holder
+ Balancing quality tools
= Total balance quality (this must be below G2.5 tolerance to achieve longest spindle operation hours)

Balancing types

According to ISO, a rigid rotor can be balanced in 2 levels (perpendicular to the rotor axis) by adding or reducing masses in this two balancing levels. A rigid rotor is called as such if the balancing quality is independent of the operating speed (for the entire range from zero up to the permitted maximum speed). The condition just described can be assumed in most cases in milling and grinding spindles. For rigid rotors are two types of imbalance can be distinguished:

  • The static imbalance (Fig. 1)
  • The dynamic imbalance or couple imbalance (Fig. 2)
  • Out of these two components results the general dynamic imbalance (Fig. 3).

Whether you are dealing with precision spindles, rotors for the aeronautical or aerospace industries, high-speed tools or drive components: Our balancing service will assure a high level of quality for your high-performance products.

Contact us - we will be pleased to help you - quickly, reliably and competently.

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