Products

• Special Products
• Comparison Measurement Stands
• Surface Plates
• Master Squares
• Straight Edges
• Step Measurement Master
• Cast Iron Surface Plates
• Stands
• Vee Blocks
• Complements

MASTER SQUARES

Tri-Squares

Main applications for tri-squares are the precise inspections of angle 90° of CMM's and machine tools. Basic material of black natural hardstone finest granite. The precise-worked faces are finest ground and lapped. The two flat faces are finely worked. With through hole(s) for weight reduction.

As the rest of LAN-FLAT products, master tri-squares are provided with our Calibration Certificate traceable to ENAC standards. Upon request and additional charge can be also provided with ENAC certificate issued by a certified laboratory.

• Dimensions and Accuracy - Tri-Squares

  Reference	Dimensions (mm)	Flatness error(microns)	Squareness error (microns)
  100E	100 x 63	2	3
  200E	160 x 100	2	3
  300E	250 x 160	3	4
  400E	400 x 250	3	5
  500E	630 x 400	4	6
  600E	1000 x 630	4	8

Quadratic shape square

These squares have the particularity of having four side finished, both flat, square and parallel.

Cuadratic shaped squares are made using black natural hardstone finest granite, with high thermal stability and wear resistance. These components are provided with a complete Calibration Certificate with ENAC traceability.

• Dimensions and Accuracy - Quadratic shape squares

  Reference	Dimensions (mm)	Flatness error (microns)	Squareness error (microns)
  100C	200 x 200	2,5	4
  200C	250 x 250	3	4,5
  300C	315 x 315	3,5	5
  400C	400 x 400	3,5	6
  500C	500 x 500	4	7



• Properties

  LAN-FLAT provides high accuracy metrology devices in various granite types, depending on the needs and specifications of our clients. All of the granite we use has been carefully measured to establish the modulus of elasticity, allowing us to comply and exceed standard specifications and user requirements. Tests made in referent laboratories have shown that black grain granite are harder, more dense and less absorbent than other granite types. Due to these reasons, all LAN-FLAT products, surface plates, machine bases, squares, straight edges, etc.. are made in black granite of highest quality, homogeneity and stability

  

  For the largest surface plates LAN-FLAT is offering also other graite qualities (e.g. "Gris Quintana") of similar characteristics and performance.



• Physical-Chemical Properties
  

  Black South-Africa

  Black granite of the highest quality, hardness and wear resistance.

  Black granite is extracted, in a big percentage, from quarries located in South-Africa. Once the blocks are cut, they are shipped worldwide. LAN-FLAT imports black granite from Suth-Africa through the biggest Spanish granite trading company.

  Next, it appears the most important properties of this granite:

  Homogeneous hardness Accuraccy under load Non magnetic Vibration damping Easy to clean low maintenance Non abrasive

  Bending resistance Oxide resistance, non corrosive Can be repaired to original flatness Matte colour Low porosity High thermal stability