Processing of fiber compound materials

Mechanical machining

GPR profiles are fairly easy to machine and have similar machining characteristics than wood main techniques are drilling, turning, cutting, milling and bonding

 

Drilling

use a DIN 8037 or DIN 8038 hard metall drill for small quantities on large quantities we recommend the usage of a diamond drill using a wood underlay may prevent fringes at the drill exit points

drill speed:

hard metal drill 60 -80 rpm

diamond drill 300-1200 rpm

 

Milling

hard metall or diamond milling cutters are well suited for milling GPR profiles with hard metall cutter you get a higher in feed we recommend to use coolant for the GPR¥s bad heat conduction characteristics.

cutting speed: 100 - 400 rpm

 

Cutting

use a hack saw for small quantities, for larger numbers we recommend a diamond saw blade saw blade diameter should be according to wall thickness from 200 - 500 mm use coolant to take care of the resulting dust, without coolant an exhaustion system is mandatory

cutting speed: 1800 - 3600 rpm.

 

Turning

a standard equipment is sufficient for small numbers, like metall processing

for larger numbers we recommend hard metall or diamond tools and coolant

turning speed : likÈ brass or aluminum

 

Bonding

connect the profiles with tw-component adhesive we recommend two-component epoxy adhesive, i.e. UHU Endfest 300, Araldit ....

treatment of surfaces and application according to manufactureres instructions