Trapet Precision Engineering


Trapet Precision Engineering

Berretin 10

01139 Sarria (Alava)



DUNS 466015730

tel . 34.945462666

cell: .34.615711076


klick here for leaflets

klick here for publications

click here for software and spreadsheets

Our largest artefacts are segmented ball beams, lengths go up to 12 m,

the base segments are typically 1.3 m long,

the calibrated reference bars are typically 0.5 m and 0.25 m long. 


ZEISS Iberia

intermediate ball on pivot spring and

between two calibrated rods

first ball on fixed stem     

tripod with spider and with pivot                 our special pivot head head, alternative is a commercial 

default is a solid aluminium tripod

head from professional photograpy           

last ball on flat spring

and with load spring

calibrated rods with precision-lapped cones

structural base segments:

carbon fiber tubes

standard:  with solid flanges,

optionally: ditto, but tubes made of high Young's Modulus carbon fibre

new option: lower weight, simpler to handle, one-screw-joints (photograph on right)

Courtesy: Zeiss Mexico

Sample from a calibration certificate of a 5 m segmented ball bar (first 2 pages only)

Sample from a calibration certificate of a large CMM