Hexagon Leitz PMM-C

CMM Specifications

Model X stroke
Y stroke
Z stroke
8.10.6 800 1000 575
12.10.6 1200 1000 575
12.10.7 1200 1000 700
16.12.7 1600 1200 700
 24.12.7 2400 1200 700
24.16.7 2400 1600 700
16.12.10 1600 1200 1000
24.12.10 2400 1600 1000
24.16.10 2400 1600 1000

Gear Inspection


Cylindrical gears:

  • Spur, helical, double helical, splines (internal and external)
  • Clutch gears (internal and external)
  • Gear segments (minimum No. of teeth: 1)
  • Gear racks

Bevel gears:

  • Straight bevel, spiral bevel, hypoid bevel, crown gears
  • Interfaces: Gleason GAGE 4/WIN; Klingelnberg KIMOS, DMG

Gear cutting tool:

  • Hob cutter, broach, shaper cutter, shaving gears, form cutter

Evaluation standards:

Gear inspection with
Leitz PMM-C
Related Specifications
PMM-C 8.10.6 PMM-C 12.10.6
PMM-C 16.12.7
PMM-C 16.12.10
PMM-C 24.16.7
 Module range [mm] 0.5 – 100 (smaller modules on request)
 Max. gear diam. – spur [mm] 750 950 1150 1150 1550
 Max. gear diam. – helical* [mm] 500 700 900 900 1300
 Max. gear width [mm] 575 575/700 700 1000 700 / 1000
 Max. shaft length [mm] 1000 1200 1600 / 2400 1600 / 2400 2400

* Depending on styli configuration and module


Leitz PMM-C

Ultra-High Precision CMM and Gear Measuring System

The Leitz PMM-C combines highly accurate 3D metrology performance with well-proven gear measurement capabilities. This coordinate measuring machine (CMM) can be equipped with tactile probes for maximised scanning accuracy and a variety of optical sensors for non-contact measurements.

Every detail of the Leitz PMM-C series is focused on achieving certainty with accurate information users can trust. Providing durability and measuring consistency, the machine’s closed-frame design is comprised of a solid granite base, a fixed portal with cast iron pedestals and a granite crossbeam.

The Leitz PMM-C line combines ultra-high accuracy with unmatched high machine dynamics. This results in extremely short cycle times and optimised throughput. Fast data collection and advanced high-speed scanning further improve throughput for efficient process control.

With excellent performance due to variable high-speed scanning (VHSS), measurements can be carried out following the principle ‘as fast as possible, as slow as necessary’. The scanning speed is adapted to known geometries in real time, with simple lines being scanned fast and the speed automatically changing when scanning complex passages.
The optional use of the rotary table allows scanning procedures to be carried out with continuous 4-axis scanning, so even highly complex parts can be scanned quickly with a high point density.

Leitz PMM-C series measuring machines can also be used as gear measuring systems, enabling fast and ultra-precise inspection of any kind of gears, up to a diameter of 1 550 mm. Gear cutting tools such as hob cutters, broaches, shaper cutters and shaving gears can be measured easily.



Closed-Frame Design
The granite base with a fixed portal of cast iron and a granite crossbeam ensures long-term stability. The high stiffness of the measurement axes is designed to ensure consistent accuracy over the entire measurement volume.

Moving Table
The travelling measuring table on pre-loaded air bearings with centrally-positioned spindle drive ensures constant dimensional relationships and efficient movement sequences with no tilting or twisting.

Best Reproducibility 
High-resolution scales offer the highest reproducibility of measurement results.

High Stability
The active pneumatic damping system ensures stable measurement procedures, eliminating the influence of vibrations.


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